1 |
51
|
jones
|
/**
|
2 |
203
|
jones
|
* '$RCSfile$'
|
3 |
|
|
* Purpose: A Class that implements a metadata catalog as a java Servlet
|
4 |
|
|
* Copyright: 2000 Regents of the University of California and the
|
5 |
|
|
* National Center for Ecological Analysis and Synthesis
|
6 |
361
|
berkley
|
* Authors: Matt Jones, Dan Higgins, Jivka Bojilova, Chad Berkley
|
7 |
348
|
jones
|
* Release: @release@
|
8 |
154
|
jones
|
*
|
9 |
203
|
jones
|
* '$Author$'
|
10 |
|
|
* '$Date$'
|
11 |
|
|
* '$Revision$'
|
12 |
669
|
jones
|
*
|
13 |
|
|
* This program is free software; you can redistribute it and/or modify
|
14 |
|
|
* it under the terms of the GNU General Public License as published by
|
15 |
|
|
* the Free Software Foundation; either version 2 of the License, or
|
16 |
|
|
* (at your option) any later version.
|
17 |
|
|
*
|
18 |
|
|
* This program is distributed in the hope that it will be useful,
|
19 |
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
20 |
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
21 |
|
|
* GNU General Public License for more details.
|
22 |
|
|
*
|
23 |
|
|
* You should have received a copy of the GNU General Public License
|
24 |
|
|
* along with this program; if not, write to the Free Software
|
25 |
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
26 |
51
|
jones
|
*/
|
27 |
|
|
|
28 |
|
|
package edu.ucsb.nceas.metacat;
|
29 |
|
|
|
30 |
798
|
jones
|
import com.oreilly.servlet.multipart.FilePart;
|
31 |
|
|
import com.oreilly.servlet.multipart.MultipartParser;
|
32 |
|
|
import com.oreilly.servlet.multipart.ParamPart;
|
33 |
|
|
import com.oreilly.servlet.multipart.Part;
|
34 |
|
|
|
35 |
733
|
bojilova
|
import java.io.File;
|
36 |
46
|
jones
|
import java.io.PrintWriter;
|
37 |
|
|
import java.io.IOException;
|
38 |
50
|
jones
|
import java.io.StringReader;
|
39 |
185
|
jones
|
import java.io.FileInputStream;
|
40 |
731
|
bojilova
|
import java.io.BufferedInputStream;
|
41 |
46
|
jones
|
import java.util.Enumeration;
|
42 |
|
|
import java.util.Hashtable;
|
43 |
341
|
berkley
|
import java.util.ResourceBundle;
|
44 |
648
|
berkley
|
import java.util.Random;
|
45 |
82
|
jones
|
import java.util.PropertyResourceBundle;
|
46 |
50
|
jones
|
import java.net.URL;
|
47 |
|
|
import java.net.MalformedURLException;
|
48 |
85
|
jones
|
import java.sql.PreparedStatement;
|
49 |
|
|
import java.sql.ResultSet;
|
50 |
50
|
jones
|
import java.sql.Connection;
|
51 |
55
|
jones
|
import java.sql.SQLException;
|
52 |
361
|
berkley
|
import java.lang.reflect.*;
|
53 |
453
|
berkley
|
import java.net.*;
|
54 |
458
|
berkley
|
import java.util.zip.*;
|
55 |
46
|
jones
|
|
56 |
|
|
import javax.servlet.ServletConfig;
|
57 |
|
|
import javax.servlet.ServletContext;
|
58 |
|
|
import javax.servlet.ServletException;
|
59 |
48
|
jones
|
import javax.servlet.ServletInputStream;
|
60 |
46
|
jones
|
import javax.servlet.http.HttpServlet;
|
61 |
|
|
import javax.servlet.http.HttpServletRequest;
|
62 |
|
|
import javax.servlet.http.HttpServletResponse;
|
63 |
210
|
bojilova
|
import javax.servlet.http.HttpSession;
|
64 |
47
|
jones
|
import javax.servlet.http.HttpUtils;
|
65 |
458
|
berkley
|
import javax.servlet.ServletOutputStream;
|
66 |
46
|
jones
|
|
67 |
204
|
jones
|
import org.xml.sax.SAXException;
|
68 |
|
|
|
69 |
46
|
jones
|
/**
|
70 |
|
|
* A metadata catalog server implemented as a Java Servlet
|
71 |
154
|
jones
|
*
|
72 |
|
|
* <p>Valid parameters are:<br>
|
73 |
|
|
* action=query -- query the values of all elements and attributes
|
74 |
|
|
* and return a result set of nodes<br>
|
75 |
943
|
tao
|
* action=squery -- structured query (see pathquery.dtd)<br>
|
76 |
|
|
* action= -- export a zip format for data packadge<br>
|
77 |
731
|
bojilova
|
* action=read -- read any metadata/data file from Metacat and from Internet<br>
|
78 |
205
|
jones
|
* action=insert -- insert an XML document into the database store<br>
|
79 |
|
|
* action=update -- update an XML document that is in the database store<br>
|
80 |
|
|
* action=delete -- delete an XML document from the database store<br>
|
81 |
|
|
* action=validate -- vallidate the xml contained in valtext<br>
|
82 |
|
|
* doctype -- document type list returned by the query (publicID)<br>
|
83 |
154
|
jones
|
* qformat=xml -- display resultset from query in XML<br>
|
84 |
|
|
* qformat=html -- display resultset from query in HTML<br>
|
85 |
731
|
bojilova
|
* qformat=zip -- zip resultset from query<br>
|
86 |
154
|
jones
|
* docid=34 -- display the document with the document ID number 34<br>
|
87 |
205
|
jones
|
* doctext -- XML text of the document to load into the database<br>
|
88 |
598
|
bojilova
|
* acltext -- XML access text for a document to load into the database<br>
|
89 |
|
|
* dtdtext -- XML DTD text for a new DTD to load into Metacat XML Catalog<br>
|
90 |
183
|
jones
|
* query -- actual query text (to go with 'action=query' or 'action=squery')<br>
|
91 |
205
|
jones
|
* valtext -- XML text to be validated<br>
|
92 |
731
|
bojilova
|
* abstractpath -- XPath in metadata document to read from<br>
|
93 |
688
|
bojilova
|
* action=getaccesscontrol -- retrieve acl info for Metacat document<br>
|
94 |
|
|
* action=getdoctypes -- retrieve all doctypes (publicID)<br>
|
95 |
699
|
bojilova
|
* action=getdtdschema -- retrieve a DTD or Schema file<br>
|
96 |
688
|
bojilova
|
* action=getdataguide -- retrieve a Data Guide<br>
|
97 |
725
|
bojilova
|
* action=getprincipals -- retrieve a list of principals in XML<br>
|
98 |
205
|
jones
|
* datadoc -- data document name (id)<br>
|
99 |
|
|
* <p>
|
100 |
|
|
* The particular combination of parameters that are valid for each
|
101 |
|
|
* particular action value is quite specific. This documentation
|
102 |
|
|
* will be reorganized to reflect this information.
|
103 |
46
|
jones
|
*/
|
104 |
|
|
public class MetaCatServlet extends HttpServlet {
|
105 |
|
|
|
106 |
370
|
berkley
|
private ServletConfig config = null;
|
107 |
|
|
private ServletContext context = null;
|
108 |
1064
|
tao
|
//private Hashtable connectionPool = new Hashtable();
|
109 |
370
|
berkley
|
private String resultStyleURL = null;
|
110 |
|
|
private String xmlcatalogfile = null;
|
111 |
|
|
private String saxparser = null;
|
112 |
798
|
jones
|
private String datafilepath = null;
|
113 |
|
|
private File dataDirectory = null;
|
114 |
370
|
berkley
|
private String servletpath = null;
|
115 |
822
|
jones
|
private String htmlpath = null;
|
116 |
380
|
jones
|
private PropertyResourceBundle options = null;
|
117 |
|
|
private MetaCatUtil util = null;
|
118 |
|
|
|
119 |
50
|
jones
|
/**
|
120 |
|
|
* Initialize the servlet by creating appropriate database connections
|
121 |
|
|
*/
|
122 |
46
|
jones
|
public void init( ServletConfig config ) throws ServletException {
|
123 |
|
|
try {
|
124 |
|
|
super.init( config );
|
125 |
|
|
this.config = config;
|
126 |
332
|
bojilova
|
this.context = config.getServletContext();
|
127 |
184
|
jones
|
System.out.println("MetaCatServlet Initialize");
|
128 |
82
|
jones
|
|
129 |
184
|
jones
|
util = new MetaCatUtil();
|
130 |
|
|
|
131 |
83
|
jones
|
// Get the configuration file information
|
132 |
184
|
jones
|
resultStyleURL = util.getOption("resultStyleURL");
|
133 |
|
|
xmlcatalogfile = util.getOption("xmlcatalogfile");
|
134 |
|
|
saxparser = util.getOption("saxparser");
|
135 |
798
|
jones
|
datafilepath = util.getOption("datafilepath");
|
136 |
|
|
dataDirectory = new File(datafilepath);
|
137 |
360
|
bojilova
|
servletpath = util.getOption("servletpath");
|
138 |
|
|
htmlpath = util.getOption("htmlpath");
|
139 |
598
|
bojilova
|
|
140 |
731
|
bojilova
|
// MOVED IT TO doGet() & doPost()
|
141 |
598
|
bojilova
|
// try {
|
142 |
|
|
// // Open a pool of db connections
|
143 |
|
|
// connectionPool = util.getConnectionPool();
|
144 |
|
|
// } catch (Exception e) {
|
145 |
|
|
// System.err.println("Error creating pool of database connections");
|
146 |
|
|
// System.err.println(e.getMessage());
|
147 |
|
|
// }
|
148 |
46
|
jones
|
} catch ( ServletException ex ) {
|
149 |
|
|
throw ex;
|
150 |
|
|
}
|
151 |
|
|
}
|
152 |
|
|
|
153 |
320
|
bojilova
|
/**
|
154 |
|
|
* Close all db connections from the pool
|
155 |
|
|
*/
|
156 |
|
|
public void destroy() {
|
157 |
|
|
|
158 |
|
|
if (util != null) {
|
159 |
|
|
util.closeConnections();
|
160 |
|
|
}
|
161 |
|
|
}
|
162 |
|
|
|
163 |
50
|
jones
|
/** Handle "GET" method requests from HTTP clients */
|
164 |
46
|
jones
|
public void doGet (HttpServletRequest request, HttpServletResponse response)
|
165 |
|
|
throws ServletException, IOException {
|
166 |
|
|
|
167 |
48
|
jones
|
// Process the data and send back the response
|
168 |
59
|
jones
|
handleGetOrPost(request, response);
|
169 |
48
|
jones
|
}
|
170 |
|
|
|
171 |
50
|
jones
|
/** Handle "POST" method requests from HTTP clients */
|
172 |
48
|
jones
|
public void doPost( HttpServletRequest request, HttpServletResponse response)
|
173 |
|
|
throws ServletException, IOException {
|
174 |
|
|
|
175 |
|
|
// Process the data and send back the response
|
176 |
59
|
jones
|
handleGetOrPost(request, response);
|
177 |
48
|
jones
|
}
|
178 |
|
|
|
179 |
49
|
jones
|
/**
|
180 |
50
|
jones
|
* Control servlet response depending on the action parameter specified
|
181 |
49
|
jones
|
*/
|
182 |
382
|
berkley
|
private void handleGetOrPost(HttpServletRequest request,
|
183 |
798
|
jones
|
HttpServletResponse response)
|
184 |
|
|
throws ServletException, IOException
|
185 |
|
|
{
|
186 |
48
|
jones
|
|
187 |
309
|
bojilova
|
if ( util == null ) {
|
188 |
|
|
util = new MetaCatUtil();
|
189 |
|
|
}
|
190 |
1064
|
tao
|
util.debugMessage("Connection pool size: "+util.getPoolSize(),1);
|
191 |
|
|
/*if ( connectionPool.isEmpty() ) {
|
192 |
309
|
bojilova
|
try {
|
193 |
1064
|
tao
|
|
194 |
309
|
bojilova
|
connectionPool = util.getConnectionPool();
|
195 |
|
|
} catch (Exception e) {
|
196 |
675
|
berkley
|
System.err.println("Error creating pool of database connections in " +
|
197 |
|
|
" MetaCatServlet.handleGetOrPost");
|
198 |
309
|
bojilova
|
System.err.println(e.getMessage());
|
199 |
|
|
}
|
200 |
1064
|
tao
|
} */
|
201 |
49
|
jones
|
// Get a handle to the output stream back to the client
|
202 |
566
|
jones
|
//PrintWriter pwout = response.getWriter();
|
203 |
102
|
jones
|
//response.setContentType("text/html");
|
204 |
798
|
jones
|
|
205 |
|
|
// Deal with forms that are encoded as "multipart/form-data" differently
|
206 |
|
|
// this is mainly used for uploading non-xml files using that may be binary
|
207 |
800
|
jones
|
String ctype = request.getContentType();
|
208 |
|
|
if (ctype != null && ctype.startsWith("multipart/form-data")) {
|
209 |
798
|
jones
|
handleMultipartForm(request, response);
|
210 |
|
|
} else {
|
211 |
943
|
tao
|
|
212 |
49
|
jones
|
|
213 |
798
|
jones
|
String name = null;
|
214 |
|
|
String[] value = null;
|
215 |
|
|
String[] docid = new String[3];
|
216 |
|
|
Hashtable params = new Hashtable();
|
217 |
|
|
Enumeration paramlist = request.getParameterNames();
|
218 |
|
|
while (paramlist.hasMoreElements()) {
|
219 |
|
|
name = (String)paramlist.nextElement();
|
220 |
|
|
value = request.getParameterValues(name);
|
221 |
|
|
|
222 |
|
|
// Decode the docid and mouse click information
|
223 |
|
|
if (name.endsWith(".y")) {
|
224 |
|
|
docid[0] = name.substring(0,name.length()-2);
|
225 |
|
|
params.put("docid", docid);
|
226 |
|
|
name = "ypos";
|
227 |
648
|
berkley
|
}
|
228 |
798
|
jones
|
if (name.endsWith(".x")) {
|
229 |
|
|
name = "xpos";
|
230 |
|
|
}
|
231 |
|
|
|
232 |
|
|
params.put(name,value);
|
233 |
425
|
bojilova
|
}
|
234 |
798
|
jones
|
|
235 |
|
|
//if the user clicked on the input images, decode which image
|
236 |
|
|
//was clicked then set the action.
|
237 |
|
|
String action = ((String[])params.get("action"))[0];
|
238 |
1056
|
tao
|
util.debugMessage("Line 213: Action is: " + action, 1);
|
239 |
798
|
jones
|
|
240 |
|
|
// This block handles session management for the servlet
|
241 |
|
|
// by looking up the current session information for all actions
|
242 |
|
|
// other than "login" and "logout"
|
243 |
|
|
String username = null;
|
244 |
|
|
String password = null;
|
245 |
802
|
bojilova
|
String[] groupnames = null;
|
246 |
798
|
jones
|
String sess_id = null;
|
247 |
|
|
|
248 |
|
|
// handle login action
|
249 |
|
|
if (action.equals("login")) {
|
250 |
|
|
|
251 |
|
|
handleLoginAction(response.getWriter(), params, request, response);
|
252 |
|
|
|
253 |
|
|
// handle logout action
|
254 |
|
|
} else if (action.equals("logout")) {
|
255 |
|
|
|
256 |
|
|
handleLogoutAction(response.getWriter(), params, request, response);
|
257 |
|
|
|
258 |
|
|
// aware of session expiration on every request
|
259 |
|
|
} else {
|
260 |
|
|
|
261 |
|
|
HttpSession sess = request.getSession(true);
|
262 |
|
|
if (sess.isNew()) {
|
263 |
|
|
// session expired or has not been stored b/w user requests
|
264 |
|
|
username = "public";
|
265 |
|
|
sess.setAttribute("username", username);
|
266 |
|
|
} else {
|
267 |
|
|
username = (String)sess.getAttribute("username");
|
268 |
|
|
password = (String)sess.getAttribute("password");
|
269 |
802
|
bojilova
|
groupnames = (String[])sess.getAttribute("groupnames");
|
270 |
798
|
jones
|
try {
|
271 |
|
|
sess_id = (String)sess.getId();
|
272 |
|
|
} catch(IllegalStateException ise) {
|
273 |
|
|
System.out.println("error in handleGetOrPost: this shouldn't " +
|
274 |
|
|
"happen: the session should be valid: " +
|
275 |
|
|
ise.getMessage());
|
276 |
|
|
}
|
277 |
|
|
}
|
278 |
|
|
}
|
279 |
|
|
|
280 |
947
|
tao
|
// Now that we know the session is valid, we can delegate the request
|
281 |
798
|
jones
|
// to a particular action handler
|
282 |
|
|
if(action.equals("query")) {
|
283 |
802
|
bojilova
|
handleQuery(response.getWriter(),params,response,username,groupnames);
|
284 |
798
|
jones
|
} else if(action.equals("squery")) {
|
285 |
|
|
if(params.containsKey("query")) {
|
286 |
943
|
tao
|
handleSQuery(response.getWriter(),params,response,username,groupnames);
|
287 |
798
|
jones
|
} else {
|
288 |
|
|
PrintWriter out = response.getWriter();
|
289 |
|
|
out.println("Illegal action squery without \"query\" parameter");
|
290 |
|
|
}
|
291 |
943
|
tao
|
} else if (action.equals("export")) {
|
292 |
949
|
tao
|
|
293 |
943
|
tao
|
handleExportAction(params, response, username, groupnames);
|
294 |
798
|
jones
|
} else if (action.equals("read")) {
|
295 |
802
|
bojilova
|
handleReadAction(params, response, username, groupnames);
|
296 |
798
|
jones
|
} else if (action.equals("insert") || action.equals("update")) {
|
297 |
458
|
berkley
|
PrintWriter out = response.getWriter();
|
298 |
798
|
jones
|
if ( (username != null) && !username.equals("public") ) {
|
299 |
802
|
bojilova
|
handleInsertOrUpdateAction(out,params,response,username,groupnames);
|
300 |
798
|
jones
|
} else {
|
301 |
|
|
out.println("Permission denied for " + action);
|
302 |
|
|
}
|
303 |
|
|
} else if (action.equals("delete")) {
|
304 |
|
|
PrintWriter out = response.getWriter();
|
305 |
|
|
if ( (username != null) && !username.equals("public") ) {
|
306 |
802
|
bojilova
|
handleDeleteAction(out, params, response, username, groupnames);
|
307 |
798
|
jones
|
} else {
|
308 |
|
|
out.println("Permission denied for " + action);
|
309 |
|
|
}
|
310 |
|
|
} else if (action.equals("validate")) {
|
311 |
|
|
PrintWriter out = response.getWriter();
|
312 |
|
|
handleValidateAction(out, params, response);
|
313 |
|
|
} else if (action.equals("getaccesscontrol")) {
|
314 |
|
|
PrintWriter out = response.getWriter();
|
315 |
802
|
bojilova
|
handleGetAccessControlAction(out,params,response,username,groupnames);
|
316 |
798
|
jones
|
} else if (action.equals("getprincipals")) {
|
317 |
|
|
PrintWriter out = response.getWriter();
|
318 |
|
|
handleGetPrincipalsAction(out, username, password);
|
319 |
|
|
} else if (action.equals("getdoctypes")) {
|
320 |
|
|
PrintWriter out = response.getWriter();
|
321 |
|
|
handleGetDoctypesAction(out, params, response);
|
322 |
|
|
} else if (action.equals("getdtdschema")) {
|
323 |
|
|
PrintWriter out = response.getWriter();
|
324 |
|
|
handleGetDTDSchemaAction(out, params, response);
|
325 |
|
|
} else if (action.equals("getdataguide")) {
|
326 |
|
|
PrintWriter out = response.getWriter();
|
327 |
|
|
handleGetDataGuideAction(out, params, response);
|
328 |
|
|
} else if (action.equals("getlastdocid")) {
|
329 |
|
|
PrintWriter out = response.getWriter();
|
330 |
847
|
jones
|
handleGetMaxDocidAction(out, params, response);
|
331 |
798
|
jones
|
} else if (action.equals("login") || action.equals("logout")) {
|
332 |
|
|
} else if (action.equals("protocoltest")) {
|
333 |
|
|
String testURL = "metacat://dev.nceas.ucsb.edu/NCEAS.897766.9";
|
334 |
|
|
try {
|
335 |
|
|
testURL = ((String[])params.get("url"))[0];
|
336 |
|
|
} catch (Throwable t) {
|
337 |
|
|
}
|
338 |
|
|
String phandler = System.getProperty("java.protocol.handler.pkgs");
|
339 |
|
|
response.setContentType("text/html");
|
340 |
|
|
PrintWriter out = response.getWriter();
|
341 |
|
|
out.println("<body bgcolor=\"white\">");
|
342 |
|
|
out.println("<p>Handler property: <code>" + phandler + "</code></p>");
|
343 |
|
|
out.println("<p>Starting test for:<br>");
|
344 |
|
|
out.println(" " + testURL + "</p>");
|
345 |
|
|
try {
|
346 |
|
|
URL u = new URL(testURL);
|
347 |
|
|
out.println("<pre>");
|
348 |
|
|
out.println("Protocol: " + u.getProtocol());
|
349 |
|
|
out.println(" Host: " + u.getHost());
|
350 |
|
|
out.println(" Port: " + u.getPort());
|
351 |
|
|
out.println(" Path: " + u.getPath());
|
352 |
|
|
out.println(" Ref: " + u.getRef());
|
353 |
|
|
String pquery = u.getQuery();
|
354 |
|
|
out.println(" Query: " + pquery);
|
355 |
|
|
out.println(" Params: ");
|
356 |
|
|
if (pquery != null) {
|
357 |
|
|
Hashtable qparams = util.parseQuery(u.getQuery());
|
358 |
|
|
for (Enumeration en = qparams.keys(); en.hasMoreElements(); ) {
|
359 |
|
|
String pname = (String)en.nextElement();
|
360 |
|
|
String pvalue = (String)qparams.get(pname);
|
361 |
|
|
out.println(" " + pname + ": " + pvalue);
|
362 |
|
|
}
|
363 |
566
|
jones
|
}
|
364 |
798
|
jones
|
out.println("</pre>");
|
365 |
|
|
out.println("</body>");
|
366 |
|
|
out.close();
|
367 |
|
|
} catch (MalformedURLException mue) {
|
368 |
|
|
System.out.println("bad url from MetacatServlet.handleGetOrPost");
|
369 |
|
|
out.println(mue.getMessage());
|
370 |
|
|
mue.printStackTrace(out);
|
371 |
|
|
out.close();
|
372 |
566
|
jones
|
}
|
373 |
798
|
jones
|
} else {
|
374 |
|
|
PrintWriter out = response.getWriter();
|
375 |
|
|
out.println("<?xml version=\"1.0\"?>");
|
376 |
|
|
out.println("<error>");
|
377 |
|
|
out.println("Error: action not registered. Please report this error.");
|
378 |
|
|
out.println("</error>");
|
379 |
566
|
jones
|
}
|
380 |
798
|
jones
|
|
381 |
|
|
util.closeConnections();
|
382 |
|
|
// Close the stream to the client
|
383 |
|
|
// out.close();
|
384 |
46
|
jones
|
}
|
385 |
|
|
}
|
386 |
355
|
berkley
|
|
387 |
731
|
bojilova
|
// LOGIN & LOGOUT SECTION
|
388 |
50
|
jones
|
/**
|
389 |
509
|
bojilova
|
* Handle the login request. Create a new session object.
|
390 |
503
|
bojilova
|
* Do user authentication through the session.
|
391 |
210
|
bojilova
|
*/
|
392 |
|
|
private void handleLoginAction(PrintWriter out, Hashtable params,
|
393 |
|
|
HttpServletRequest request, HttpServletResponse response) {
|
394 |
251
|
bojilova
|
|
395 |
503
|
bojilova
|
AuthSession sess = null;
|
396 |
228
|
bojilova
|
String un = ((String[])params.get("username"))[0];
|
397 |
|
|
String pw = ((String[])params.get("password"))[0];
|
398 |
297
|
bojilova
|
String action = ((String[])params.get("action"))[0];
|
399 |
509
|
bojilova
|
String qformat = ((String[])params.get("qformat"))[0];
|
400 |
332
|
bojilova
|
|
401 |
297
|
bojilova
|
try {
|
402 |
509
|
bojilova
|
sess = new AuthSession();
|
403 |
297
|
bojilova
|
} catch (Exception e) {
|
404 |
675
|
berkley
|
System.out.println("error in MetacatServlet.handleLoginAction: " +
|
405 |
|
|
e.getMessage());
|
406 |
297
|
bojilova
|
out.println(e.getMessage());
|
407 |
509
|
bojilova
|
return;
|
408 |
297
|
bojilova
|
}
|
409 |
509
|
bojilova
|
boolean isValid = sess.authenticate(request, un, pw);
|
410 |
|
|
// format and transform the output
|
411 |
832
|
jones
|
if (qformat.equals("xml")) {
|
412 |
|
|
response.setContentType("text/xml");
|
413 |
|
|
out.println(sess.getMessage());
|
414 |
|
|
} else {
|
415 |
509
|
bojilova
|
Connection conn = null;
|
416 |
503
|
bojilova
|
try {
|
417 |
509
|
bojilova
|
conn = util.getConnection();
|
418 |
|
|
DBTransform trans = new DBTransform(conn);
|
419 |
|
|
response.setContentType("text/html");
|
420 |
510
|
bojilova
|
trans.transformXMLDocument(sess.getMessage(), "-//NCEAS//login//EN",
|
421 |
832
|
jones
|
"-//W3C//HTML//EN", qformat, out);
|
422 |
509
|
bojilova
|
util.returnConnection(conn);
|
423 |
|
|
} catch(Exception e) {
|
424 |
|
|
util.returnConnection(conn);
|
425 |
|
|
}
|
426 |
|
|
|
427 |
|
|
// any output is returned
|
428 |
503
|
bojilova
|
}
|
429 |
370
|
berkley
|
}
|
430 |
509
|
bojilova
|
|
431 |
|
|
/**
|
432 |
|
|
* Handle the logout request. Close the connection.
|
433 |
|
|
*/
|
434 |
|
|
private void handleLogoutAction(PrintWriter out, Hashtable params,
|
435 |
|
|
HttpServletRequest request, HttpServletResponse response) {
|
436 |
|
|
|
437 |
|
|
String qformat = ((String[])params.get("qformat"))[0];
|
438 |
|
|
|
439 |
|
|
// close the connection
|
440 |
|
|
HttpSession sess = request.getSession(false);
|
441 |
|
|
if (sess != null) { sess.invalidate(); }
|
442 |
|
|
|
443 |
|
|
// produce output
|
444 |
|
|
StringBuffer output = new StringBuffer();
|
445 |
|
|
output.append("<?xml version=\"1.0\"?>");
|
446 |
510
|
bojilova
|
output.append("<logout>");
|
447 |
|
|
output.append("User logged out");
|
448 |
|
|
output.append("</logout>");
|
449 |
509
|
bojilova
|
|
450 |
|
|
//format and transform the output
|
451 |
832
|
jones
|
if (qformat.equals("xml")) {
|
452 |
|
|
response.setContentType("text/xml");
|
453 |
|
|
out.println(output.toString());
|
454 |
|
|
} else {
|
455 |
509
|
bojilova
|
Connection conn = null;
|
456 |
|
|
try {
|
457 |
|
|
conn = util.getConnection();
|
458 |
|
|
DBTransform trans = new DBTransform(conn);
|
459 |
|
|
response.setContentType("text/html");
|
460 |
510
|
bojilova
|
trans.transformXMLDocument(output.toString(), "-//NCEAS//login//EN",
|
461 |
832
|
jones
|
"-//W3C//HTML//EN", qformat, out);
|
462 |
509
|
bojilova
|
util.returnConnection(conn);
|
463 |
|
|
} catch(Exception e) {
|
464 |
|
|
util.returnConnection(conn);
|
465 |
|
|
}
|
466 |
|
|
}
|
467 |
|
|
}
|
468 |
731
|
bojilova
|
// END OF LOGIN & LOGOUT SECTION
|
469 |
370
|
berkley
|
|
470 |
731
|
bojilova
|
// SQUERY & QUERY SECTION
|
471 |
373
|
berkley
|
/**
|
472 |
380
|
jones
|
* Retreive the squery xml, execute it and display it
|
473 |
|
|
*
|
474 |
|
|
* @param out the output stream to the client
|
475 |
|
|
* @param params the Hashtable of parameters that should be included
|
476 |
|
|
* in the squery.
|
477 |
|
|
* @param response the response object linked to the client
|
478 |
|
|
* @param conn the database connection
|
479 |
|
|
*/
|
480 |
|
|
protected void handleSQuery(PrintWriter out, Hashtable params,
|
481 |
802
|
bojilova
|
HttpServletResponse response, String user, String[] groups)
|
482 |
373
|
berkley
|
{
|
483 |
380
|
jones
|
String xmlquery = ((String[])params.get("query"))[0];
|
484 |
|
|
String qformat = ((String[])params.get("qformat"))[0];
|
485 |
465
|
berkley
|
String resultdoc = null;
|
486 |
|
|
|
487 |
802
|
bojilova
|
Hashtable doclist = runQuery(xmlquery, user, groups);
|
488 |
444
|
berkley
|
|
489 |
465
|
berkley
|
resultdoc = createResultDocument(doclist, transformQuery(xmlquery));
|
490 |
|
|
|
491 |
380
|
jones
|
//format and transform the results
|
492 |
832
|
jones
|
if(qformat.equals("xml")) {
|
493 |
380
|
jones
|
response.setContentType("text/xml");
|
494 |
|
|
out.println(resultdoc);
|
495 |
|
|
} else {
|
496 |
832
|
jones
|
transformResultset(resultdoc, response, out, qformat);
|
497 |
380
|
jones
|
}
|
498 |
341
|
berkley
|
}
|
499 |
|
|
|
500 |
|
|
/**
|
501 |
380
|
jones
|
* Create the xml query, execute it and display the results.
|
502 |
|
|
*
|
503 |
|
|
* @param out the output stream to the client
|
504 |
|
|
* @param params the Hashtable of parameters that should be included
|
505 |
370
|
berkley
|
* in the squery.
|
506 |
380
|
jones
|
* @param response the response object linked to the client
|
507 |
370
|
berkley
|
*/
|
508 |
375
|
berkley
|
protected void handleQuery(PrintWriter out, Hashtable params,
|
509 |
802
|
bojilova
|
HttpServletResponse response, String user, String[] groups)
|
510 |
341
|
berkley
|
{
|
511 |
370
|
berkley
|
//create the query and run it
|
512 |
373
|
berkley
|
String xmlquery = DBQuery.createSQuery(params);
|
513 |
802
|
bojilova
|
Hashtable doclist = runQuery(xmlquery, user, groups);
|
514 |
465
|
berkley
|
String qformat = ((String[])params.get("qformat"))[0];
|
515 |
|
|
String resultdoc = null;
|
516 |
|
|
|
517 |
|
|
resultdoc = createResultDocument(doclist, transformQuery(params));
|
518 |
425
|
bojilova
|
|
519 |
370
|
berkley
|
//format and transform the results
|
520 |
832
|
jones
|
if(qformat.equals("xml")) {
|
521 |
370
|
berkley
|
response.setContentType("text/xml");
|
522 |
|
|
out.println(resultdoc);
|
523 |
443
|
berkley
|
} else {
|
524 |
832
|
jones
|
transformResultset(resultdoc, response, out, qformat);
|
525 |
370
|
berkley
|
}
|
526 |
341
|
berkley
|
}
|
527 |
|
|
|
528 |
|
|
/**
|
529 |
384
|
berkley
|
* Removes the <?xml version="x"?> tag from the beginning of xmlquery
|
530 |
|
|
* so it can properly be placed in the <query> tag of the resultset.
|
531 |
|
|
* This method is overwritable so that other applications can customize
|
532 |
|
|
* the structure of what is in the <query> tag.
|
533 |
|
|
*
|
534 |
|
|
* @param xmlquery is the query to remove the <?xml version="x"?> tag from.
|
535 |
|
|
*/
|
536 |
|
|
protected String transformQuery(Hashtable params)
|
537 |
|
|
{
|
538 |
|
|
//DBQuery.createSQuery is a re-calling of a previously called
|
539 |
|
|
//function but it is necessary
|
540 |
|
|
//so that overriding methods have access to the params hashtable
|
541 |
|
|
String xmlquery = DBQuery.createSQuery(params);
|
542 |
|
|
//the <?xml version="1.0"?> tag is the first 22 characters of the
|
543 |
|
|
xmlquery = xmlquery.trim();
|
544 |
|
|
int index = xmlquery.indexOf("?>");
|
545 |
|
|
return xmlquery.substring(index + 2, xmlquery.length());
|
546 |
|
|
}
|
547 |
|
|
|
548 |
|
|
/**
|
549 |
443
|
berkley
|
* removes the <?xml version="1.0"?> tag from the beginning. This takes a
|
550 |
|
|
* string as a param instead of a hashtable.
|
551 |
|
|
*
|
552 |
|
|
* @param xmlquery a string representing a query.
|
553 |
|
|
*/
|
554 |
|
|
protected String transformQuery(String xmlquery)
|
555 |
|
|
{
|
556 |
|
|
xmlquery = xmlquery.trim();
|
557 |
|
|
int index = xmlquery.indexOf("?>");
|
558 |
|
|
return xmlquery.substring(index + 2, xmlquery.length());
|
559 |
|
|
}
|
560 |
|
|
|
561 |
|
|
/**
|
562 |
380
|
jones
|
* Run the query and return a hashtable of results.
|
563 |
|
|
*
|
564 |
|
|
* @param xmlquery the query to run
|
565 |
|
|
*/
|
566 |
802
|
bojilova
|
private Hashtable runQuery(String xmlquery, String user, String[] groups)
|
567 |
341
|
berkley
|
{
|
568 |
|
|
Hashtable doclist=null;
|
569 |
|
|
Connection conn = null;
|
570 |
|
|
try
|
571 |
|
|
{
|
572 |
441
|
bojilova
|
conn = util.getConnection();
|
573 |
|
|
DBQuery queryobj = new DBQuery(conn, saxparser);
|
574 |
802
|
bojilova
|
doclist = queryobj.findDocuments(new StringReader(xmlquery),user,groups);
|
575 |
441
|
bojilova
|
util.returnConnection(conn);
|
576 |
|
|
return doclist;
|
577 |
341
|
berkley
|
}
|
578 |
|
|
catch (Exception e)
|
579 |
|
|
{
|
580 |
441
|
bojilova
|
util.returnConnection(conn);
|
581 |
675
|
berkley
|
util.debugMessage("Error in MetacatServlet.runQuery: " + e.getMessage());
|
582 |
341
|
berkley
|
doclist = null;
|
583 |
|
|
return doclist;
|
584 |
|
|
}
|
585 |
|
|
}
|
586 |
|
|
|
587 |
380
|
jones
|
/**
|
588 |
370
|
berkley
|
* Transorms an xml resultset document to html and sends it to the browser
|
589 |
380
|
jones
|
*
|
590 |
370
|
berkley
|
* @param resultdoc the string representation of the document that needs
|
591 |
|
|
* to be transformed.
|
592 |
|
|
* @param response the HttpServletResponse object bound to the client.
|
593 |
|
|
* @param out the output stream to the client
|
594 |
832
|
jones
|
* @param qformat the name of the style-set to use for transformations
|
595 |
375
|
berkley
|
*/
|
596 |
|
|
protected void transformResultset(String resultdoc,
|
597 |
380
|
jones
|
HttpServletResponse response,
|
598 |
832
|
jones
|
PrintWriter out, String qformat)
|
599 |
370
|
berkley
|
{
|
600 |
|
|
Connection conn = null;
|
601 |
380
|
jones
|
try {
|
602 |
370
|
berkley
|
conn = util.getConnection();
|
603 |
|
|
DBTransform trans = new DBTransform(conn);
|
604 |
|
|
response.setContentType("text/html");
|
605 |
|
|
trans.transformXMLDocument(resultdoc, "-//NCEAS//resultset//EN",
|
606 |
832
|
jones
|
"-//W3C//HTML//EN", qformat, out);
|
607 |
382
|
berkley
|
util.returnConnection(conn);
|
608 |
|
|
}
|
609 |
|
|
catch(Exception e)
|
610 |
|
|
{
|
611 |
441
|
bojilova
|
util.returnConnection(conn);
|
612 |
370
|
berkley
|
}
|
613 |
|
|
}
|
614 |
|
|
|
615 |
355
|
berkley
|
/**
|
616 |
|
|
* Transforms a hashtable of documents to an xml or html result.
|
617 |
380
|
jones
|
*
|
618 |
355
|
berkley
|
* @param doclist- the hashtable to transform
|
619 |
744
|
jones
|
* @param xmlquery- the query that returned the doclist result
|
620 |
355
|
berkley
|
*/
|
621 |
375
|
berkley
|
protected String createResultDocument(Hashtable doclist, String xmlquery)
|
622 |
341
|
berkley
|
{
|
623 |
|
|
// Create a buffer to hold the xml result
|
624 |
|
|
StringBuffer resultset = new StringBuffer();
|
625 |
|
|
|
626 |
382
|
berkley
|
// Print the resulting root nodes
|
627 |
341
|
berkley
|
String docid = null;
|
628 |
|
|
String document = null;
|
629 |
|
|
resultset.append("<?xml version=\"1.0\"?>\n");
|
630 |
|
|
resultset.append("<resultset>\n");
|
631 |
465
|
berkley
|
|
632 |
384
|
berkley
|
resultset.append(" <query>" + xmlquery + "</query>");
|
633 |
478
|
berkley
|
|
634 |
|
|
if(doclist != null)
|
635 |
341
|
berkley
|
{
|
636 |
478
|
berkley
|
Enumeration doclistkeys = doclist.keys();
|
637 |
|
|
while (doclistkeys.hasMoreElements())
|
638 |
|
|
{
|
639 |
|
|
docid = (String)doclistkeys.nextElement();
|
640 |
|
|
document = (String)doclist.get(docid);
|
641 |
|
|
resultset.append(" <document>" + document + "</document>");
|
642 |
|
|
}
|
643 |
|
|
}
|
644 |
|
|
|
645 |
341
|
berkley
|
resultset.append("</resultset>");
|
646 |
370
|
berkley
|
return resultset.toString();
|
647 |
341
|
berkley
|
}
|
648 |
731
|
bojilova
|
// END OF SQUERY & QUERY SECTION
|
649 |
437
|
berkley
|
|
650 |
943
|
tao
|
//Exoport section
|
651 |
|
|
/**
|
652 |
|
|
* Handle the "export" request of data package from Metacat in zip format
|
653 |
|
|
* @param params the Hashtable of HTTP request parameters
|
654 |
|
|
* @param response the HTTP response object linked to the client
|
655 |
|
|
* @param user the username sent the request
|
656 |
|
|
* @param groups the user's groupnames
|
657 |
|
|
*/
|
658 |
|
|
private void handleExportAction(Hashtable params,
|
659 |
|
|
HttpServletResponse response, String user, String[] groups)
|
660 |
|
|
{
|
661 |
|
|
ServletOutputStream out = null;
|
662 |
|
|
ZipOutputStream zOut = null;
|
663 |
|
|
DocumentImpl docImpls=null;
|
664 |
|
|
DBQuery queryObj=null;
|
665 |
|
|
Connection conn = null;
|
666 |
|
|
String[] docs = new String[10];
|
667 |
|
|
String docId = "";
|
668 |
|
|
|
669 |
|
|
try
|
670 |
|
|
{
|
671 |
|
|
// read the params
|
672 |
|
|
if (params.containsKey("docid")) {
|
673 |
|
|
docs = (String[])params.get("docid");
|
674 |
|
|
}
|
675 |
|
|
|
676 |
|
|
//get the connection to database
|
677 |
|
|
conn = util.getConnection();
|
678 |
|
|
queryObj = new DBQuery(conn, saxparser);//"saxparser" have to use though
|
679 |
|
|
//it is not standard
|
680 |
|
|
docId=docs[0];
|
681 |
|
|
out = response.getOutputStream();
|
682 |
|
|
response.setContentType("application/zip"); //MIME type
|
683 |
|
|
zOut = new ZipOutputStream(out);
|
684 |
|
|
zOut =queryObj.getZippedPackage(docId, out, user, groups);
|
685 |
|
|
zOut.finish(); //terminate the zip file
|
686 |
|
|
zOut.close(); //close the zip stream
|
687 |
1056
|
tao
|
|
688 |
943
|
tao
|
}
|
689 |
|
|
catch (Exception e)
|
690 |
|
|
{
|
691 |
|
|
try
|
692 |
|
|
{
|
693 |
|
|
response.setContentType("text/xml"); //MIME type
|
694 |
|
|
if (out != null)
|
695 |
|
|
{
|
696 |
|
|
PrintWriter pw = new PrintWriter(out);
|
697 |
|
|
pw.println("<?xml version=\"1.0\"?>");
|
698 |
|
|
pw.println("<error>");
|
699 |
|
|
pw.println(e.getMessage());
|
700 |
|
|
pw.println("</error>");
|
701 |
|
|
pw.close();
|
702 |
|
|
}
|
703 |
|
|
|
704 |
|
|
if ( zOut != null )
|
705 |
|
|
{
|
706 |
|
|
zOut.close();
|
707 |
|
|
}
|
708 |
|
|
}
|
709 |
|
|
catch (IOException ioe)
|
710 |
|
|
{
|
711 |
|
|
util.debugMessage("Problem with the servlet output " +
|
712 |
|
|
"in MetacatServlet.handleReadAction: " +
|
713 |
|
|
ioe.getMessage());
|
714 |
|
|
|
715 |
|
|
|
716 |
|
|
}
|
717 |
|
|
|
718 |
|
|
util.debugMessage("Error in MetacatServlet.handleReadAction: " +
|
719 |
|
|
e.getMessage());
|
720 |
|
|
|
721 |
|
|
}//catch
|
722 |
1056
|
tao
|
finally
|
723 |
|
|
{
|
724 |
|
|
util.returnConnection(conn);
|
725 |
|
|
}
|
726 |
943
|
tao
|
|
727 |
|
|
}//handleExportAction
|
728 |
|
|
|
729 |
731
|
bojilova
|
// READ SECTION
|
730 |
|
|
/**
|
731 |
|
|
* Handle the "read" request of metadata/data files from Metacat
|
732 |
|
|
* or any files from Internet;
|
733 |
|
|
* transformed metadata XML document into HTML presentation if requested;
|
734 |
|
|
* zip files when more than one were requested.
|
735 |
|
|
*
|
736 |
|
|
* @param params the Hashtable of HTTP request parameters
|
737 |
|
|
* @param response the HTTP response object linked to the client
|
738 |
|
|
* @param user the username sent the request
|
739 |
802
|
bojilova
|
* @param groups the user's groupnames
|
740 |
437
|
berkley
|
*/
|
741 |
731
|
bojilova
|
private void handleReadAction(Hashtable params, HttpServletResponse response,
|
742 |
802
|
bojilova
|
String user, String[] groups)
|
743 |
437
|
berkley
|
{
|
744 |
731
|
bojilova
|
ServletOutputStream out = null;
|
745 |
|
|
ZipOutputStream zout = null;
|
746 |
|
|
|
747 |
|
|
try {
|
748 |
|
|
String[] docs = new String[0];
|
749 |
|
|
String docid = "";
|
750 |
|
|
String qformat = "";
|
751 |
|
|
String abstrpath = null;
|
752 |
|
|
boolean zip = false;
|
753 |
|
|
// read the params
|
754 |
|
|
if (params.containsKey("docid")) {
|
755 |
|
|
docs = (String[])params.get("docid");
|
756 |
437
|
berkley
|
}
|
757 |
731
|
bojilova
|
if (params.containsKey("qformat")) {
|
758 |
|
|
qformat = ((String[])params.get("qformat"))[0];
|
759 |
437
|
berkley
|
}
|
760 |
731
|
bojilova
|
if (params.containsKey("abstractpath")) {
|
761 |
|
|
abstrpath = ((String[])params.get("abstractpath"))[0];
|
762 |
738
|
bojilova
|
if ( !abstrpath.equals("") && (abstrpath != null) ) {
|
763 |
|
|
viewAbstract(response, abstrpath, docs[0]);
|
764 |
|
|
return;
|
765 |
|
|
}
|
766 |
437
|
berkley
|
}
|
767 |
731
|
bojilova
|
if ( (docs.length > 1) || qformat.equals("zip") ) {
|
768 |
|
|
zip = true;
|
769 |
|
|
out = response.getOutputStream();
|
770 |
|
|
response.setContentType("application/zip"); //MIME type
|
771 |
|
|
zout = new ZipOutputStream(out);
|
772 |
|
|
}
|
773 |
|
|
// go through the list of docs to read
|
774 |
|
|
for (int i=0; i < docs.length; i++ ) {
|
775 |
|
|
try {
|
776 |
|
|
|
777 |
|
|
URL murl = new URL(docs[i]);
|
778 |
|
|
Hashtable murlQueryStr = util.parseQuery(murl.getQuery());
|
779 |
|
|
// case docid="http://.../?docid=aaa"
|
780 |
|
|
// or docid="metacat://.../?docid=bbb"
|
781 |
|
|
if (murlQueryStr.containsKey("docid")) {
|
782 |
|
|
// get only docid, eliminate the rest
|
783 |
|
|
docid = (String)murlQueryStr.get("docid");
|
784 |
|
|
if ( zip ) {
|
785 |
947
|
tao
|
addDocToZip(docid, zout, user, groups);
|
786 |
731
|
bojilova
|
} else {
|
787 |
|
|
readFromMetacat(response, docid, qformat, abstrpath,
|
788 |
802
|
bojilova
|
user, groups, zip, zout);
|
789 |
731
|
bojilova
|
}
|
790 |
|
|
|
791 |
|
|
// case docid="http://.../filename"
|
792 |
|
|
} else {
|
793 |
|
|
docid = docs[i];
|
794 |
|
|
if ( zip ) {
|
795 |
947
|
tao
|
addDocToZip(docid, zout, user, groups);
|
796 |
731
|
bojilova
|
} else {
|
797 |
|
|
readFromURLConnection(response, docid);
|
798 |
|
|
}
|
799 |
|
|
}
|
800 |
|
|
|
801 |
|
|
// case docid="ccc"
|
802 |
|
|
} catch (MalformedURLException mue) {
|
803 |
|
|
docid = docs[i];
|
804 |
|
|
if ( zip ) {
|
805 |
947
|
tao
|
addDocToZip(docid, zout, user, groups);
|
806 |
731
|
bojilova
|
} else {
|
807 |
|
|
readFromMetacat(response, docid, qformat, abstrpath,
|
808 |
802
|
bojilova
|
user, groups, zip, zout);
|
809 |
731
|
bojilova
|
}
|
810 |
|
|
}
|
811 |
|
|
|
812 |
|
|
} /* end for */
|
813 |
|
|
|
814 |
|
|
if ( zip ) {
|
815 |
|
|
zout.finish(); //terminate the zip file
|
816 |
|
|
zout.close(); //close the zip stream
|
817 |
|
|
}
|
818 |
|
|
|
819 |
947
|
tao
|
|
820 |
731
|
bojilova
|
} catch (Exception e) {
|
821 |
|
|
try {
|
822 |
845
|
jones
|
response.setContentType("text/xml"); //MIME type
|
823 |
|
|
//PrintWriter pw = response.getWriter();
|
824 |
|
|
if (out != null) {
|
825 |
|
|
PrintWriter pw = new PrintWriter(out);
|
826 |
|
|
pw.println("<?xml version=\"1.0\"?>");
|
827 |
|
|
pw.println("<error>");
|
828 |
|
|
pw.println(e.getMessage());
|
829 |
|
|
pw.println("</error>");
|
830 |
|
|
pw.close();
|
831 |
|
|
}
|
832 |
|
|
//if ( out != null ) { out.close(); }
|
833 |
731
|
bojilova
|
if ( zout != null ) { zout.close(); }
|
834 |
|
|
} catch (IOException ioe) {
|
835 |
|
|
System.out.println("Problem with the servlet output " +
|
836 |
|
|
"in MetacatServlet.handleReadAction: " +
|
837 |
|
|
ioe.getMessage());
|
838 |
|
|
ioe.printStackTrace(System.out);
|
839 |
|
|
|
840 |
|
|
}
|
841 |
|
|
|
842 |
|
|
System.out.println("Error in MetacatServlet.handleReadAction: " +
|
843 |
675
|
berkley
|
e.getMessage());
|
844 |
731
|
bojilova
|
e.printStackTrace(System.out);
|
845 |
437
|
berkley
|
}
|
846 |
|
|
|
847 |
|
|
}
|
848 |
731
|
bojilova
|
|
849 |
|
|
// read metadata or data from Metacat
|
850 |
|
|
private void readFromMetacat(HttpServletResponse response, String docid,
|
851 |
|
|
String qformat, String abstrpath, String user,
|
852 |
943
|
tao
|
String[] groups, boolean zip, ZipOutputStream zout)
|
853 |
731
|
bojilova
|
throws ClassNotFoundException, IOException, SQLException,
|
854 |
|
|
McdbException, Exception
|
855 |
453
|
berkley
|
{
|
856 |
|
|
Connection conn = null;
|
857 |
731
|
bojilova
|
try {
|
858 |
|
|
conn = util.getConnection();
|
859 |
|
|
DocumentImpl doc = new DocumentImpl(conn, docid);
|
860 |
453
|
berkley
|
|
861 |
947
|
tao
|
//check the permission for read
|
862 |
|
|
if (!doc.hasReadPermission(conn, user, groups, docid))
|
863 |
|
|
{
|
864 |
|
|
Exception e = new Exception("User " + user + " does not have permission"
|
865 |
|
|
+" to read the document with the docid " + docid);
|
866 |
|
|
util.returnConnection(conn);
|
867 |
|
|
throw e;
|
868 |
|
|
}
|
869 |
|
|
|
870 |
731
|
bojilova
|
if ( doc.getRootNodeID() == 0 ) {
|
871 |
|
|
// this is data file
|
872 |
|
|
ServletOutputStream out = response.getOutputStream();
|
873 |
|
|
String filepath = util.getOption("datafilepath");
|
874 |
|
|
if(!filepath.endsWith("/")) {
|
875 |
|
|
filepath += "/";
|
876 |
|
|
}
|
877 |
846
|
berkley
|
String filename = filepath + docid; //MIME type
|
878 |
731
|
bojilova
|
String contentType = getServletContext().getMimeType(filename);
|
879 |
|
|
if (contentType == null) {
|
880 |
|
|
if (filename.endsWith(".xml")) {
|
881 |
|
|
contentType="text/xml";
|
882 |
|
|
} else if (filename.endsWith(".css")) {
|
883 |
|
|
contentType="text/css";
|
884 |
|
|
} else if (filename.endsWith(".dtd")) {
|
885 |
|
|
contentType="text/plain";
|
886 |
|
|
} else if (filename.endsWith(".xsd")) {
|
887 |
733
|
bojilova
|
contentType="text/xml";
|
888 |
731
|
bojilova
|
} else if (filename.endsWith("/")) {
|
889 |
733
|
bojilova
|
contentType="text/html";
|
890 |
731
|
bojilova
|
} else {
|
891 |
733
|
bojilova
|
File f = new File(filename);
|
892 |
|
|
if ( f.isDirectory() ) {
|
893 |
|
|
contentType="text/html";
|
894 |
|
|
} else {
|
895 |
|
|
contentType="application/octet-stream";
|
896 |
|
|
}
|
897 |
453
|
berkley
|
}
|
898 |
|
|
}
|
899 |
731
|
bojilova
|
response.setContentType(contentType);
|
900 |
733
|
bojilova
|
// if we decide to use "application/octet-stream" for all data returns
|
901 |
|
|
// response.setContentType("application/octet-stream");
|
902 |
731
|
bojilova
|
FileInputStream fin = null;
|
903 |
|
|
try {
|
904 |
|
|
fin = new FileInputStream(filename);
|
905 |
|
|
byte[] buf = new byte[4 * 1024]; // 4K buffer
|
906 |
|
|
int b = fin.read(buf);
|
907 |
|
|
while (b != -1) {
|
908 |
|
|
out.write(buf, 0, b);
|
909 |
|
|
b = fin.read(buf);
|
910 |
453
|
berkley
|
}
|
911 |
731
|
bojilova
|
} finally {
|
912 |
|
|
if (fin != null) fin.close();
|
913 |
453
|
berkley
|
}
|
914 |
731
|
bojilova
|
|
915 |
|
|
} else {
|
916 |
|
|
// this is metadata doc
|
917 |
832
|
jones
|
if ( qformat.equals("xml") ) {
|
918 |
|
|
// set content type first
|
919 |
|
|
response.setContentType("text/xml"); //MIME type
|
920 |
|
|
PrintWriter out = response.getWriter();
|
921 |
|
|
doc.toXml(out);
|
922 |
|
|
} else {
|
923 |
731
|
bojilova
|
response.setContentType("text/html"); //MIME type
|
924 |
|
|
PrintWriter out = response.getWriter();
|
925 |
|
|
|
926 |
|
|
// Look up the document type
|
927 |
|
|
String doctype = doc.getDoctype();
|
928 |
|
|
// Transform the document to the new doctype
|
929 |
|
|
DBTransform dbt = new DBTransform(conn);
|
930 |
|
|
dbt.transformXMLDocument(doc.toString(),
|
931 |
832
|
jones
|
doctype,"-//W3C//HTML//EN", qformat, out);
|
932 |
731
|
bojilova
|
}
|
933 |
|
|
|
934 |
453
|
berkley
|
}
|
935 |
731
|
bojilova
|
} finally {
|
936 |
|
|
util.returnConnection(conn);
|
937 |
|
|
}
|
938 |
|
|
|
939 |
|
|
}
|
940 |
453
|
berkley
|
|
941 |
731
|
bojilova
|
// read data from URLConnection
|
942 |
|
|
private void readFromURLConnection(HttpServletResponse response, String docid)
|
943 |
|
|
throws IOException, MalformedURLException
|
944 |
566
|
jones
|
{
|
945 |
731
|
bojilova
|
ServletOutputStream out = response.getOutputStream();
|
946 |
|
|
String contentType = getServletContext().getMimeType(docid); //MIME type
|
947 |
|
|
if (contentType == null) {
|
948 |
|
|
if (docid.endsWith(".xml")) {
|
949 |
|
|
contentType="text/xml";
|
950 |
|
|
} else if (docid.endsWith(".css")) {
|
951 |
|
|
contentType="text/css";
|
952 |
|
|
} else if (docid.endsWith(".dtd")) {
|
953 |
|
|
contentType="text/plain";
|
954 |
|
|
} else if (docid.endsWith(".xsd")) {
|
955 |
733
|
bojilova
|
contentType="text/xml";
|
956 |
731
|
bojilova
|
} else if (docid.endsWith("/")) {
|
957 |
733
|
bojilova
|
contentType="text/html";
|
958 |
731
|
bojilova
|
} else {
|
959 |
733
|
bojilova
|
File f = new File(docid);
|
960 |
|
|
if ( f.isDirectory() ) {
|
961 |
|
|
contentType="text/html";
|
962 |
|
|
} else {
|
963 |
|
|
contentType="application/octet-stream";
|
964 |
|
|
}
|
965 |
731
|
bojilova
|
}
|
966 |
|
|
}
|
967 |
|
|
response.setContentType(contentType);
|
968 |
733
|
bojilova
|
// if we decide to use "application/octet-stream" for all data returns
|
969 |
|
|
// response.setContentType("application/octet-stream");
|
970 |
731
|
bojilova
|
|
971 |
|
|
// this is http url
|
972 |
|
|
URL url = new URL(docid);
|
973 |
|
|
BufferedInputStream bis = null;
|
974 |
566
|
jones
|
try {
|
975 |
731
|
bojilova
|
bis = new BufferedInputStream(url.openStream());
|
976 |
|
|
byte[] buf = new byte[4 * 1024]; // 4K buffer
|
977 |
|
|
int b = bis.read(buf);
|
978 |
|
|
while (b != -1) {
|
979 |
|
|
out.write(buf, 0, b);
|
980 |
|
|
b = bis.read(buf);
|
981 |
636
|
berkley
|
}
|
982 |
731
|
bojilova
|
} finally {
|
983 |
|
|
if (bis != null) bis.close();
|
984 |
566
|
jones
|
}
|
985 |
731
|
bojilova
|
|
986 |
566
|
jones
|
}
|
987 |
636
|
berkley
|
|
988 |
731
|
bojilova
|
// read file/doc and write to ZipOutputStream
|
989 |
947
|
tao
|
private void addDocToZip(String docid, ZipOutputStream zout,
|
990 |
|
|
String user, String[] groups)
|
991 |
731
|
bojilova
|
throws ClassNotFoundException, IOException, SQLException,
|
992 |
|
|
McdbException, Exception
|
993 |
636
|
berkley
|
{
|
994 |
731
|
bojilova
|
byte[] bytestring = null;
|
995 |
|
|
ZipEntry zentry = null;
|
996 |
|
|
|
997 |
|
|
try {
|
998 |
|
|
URL url = new URL(docid);
|
999 |
|
|
|
1000 |
|
|
// this http url; read from URLConnection; add to zip
|
1001 |
|
|
zentry = new ZipEntry(docid);
|
1002 |
|
|
zout.putNextEntry(zentry);
|
1003 |
|
|
BufferedInputStream bis = null;
|
1004 |
|
|
try {
|
1005 |
|
|
bis = new BufferedInputStream(url.openStream());
|
1006 |
|
|
byte[] buf = new byte[4 * 1024]; // 4K buffer
|
1007 |
|
|
int b = bis.read(buf);
|
1008 |
|
|
while(b != -1) {
|
1009 |
|
|
zout.write(buf, 0, b);
|
1010 |
|
|
b = bis.read(buf);
|
1011 |
|
|
}
|
1012 |
|
|
} finally {
|
1013 |
|
|
if (bis != null) bis.close();
|
1014 |
636
|
berkley
|
}
|
1015 |
731
|
bojilova
|
zout.closeEntry();
|
1016 |
|
|
|
1017 |
|
|
} catch (MalformedURLException mue) {
|
1018 |
661
|
berkley
|
|
1019 |
731
|
bojilova
|
// this is metacat doc (data file or metadata doc)
|
1020 |
|
|
Connection conn = null;
|
1021 |
|
|
try {
|
1022 |
|
|
conn = util.getConnection();
|
1023 |
|
|
DocumentImpl doc = new DocumentImpl(conn, docid);
|
1024 |
947
|
tao
|
|
1025 |
|
|
//check the permission for read
|
1026 |
|
|
if (!doc.hasReadPermission(conn, user, groups, docid))
|
1027 |
|
|
{
|
1028 |
|
|
Exception e = new Exception("User " + user + " does not have "
|
1029 |
|
|
+"permission to read the document with the docid " + docid);
|
1030 |
|
|
util.returnConnection(conn);
|
1031 |
|
|
throw e;
|
1032 |
|
|
}
|
1033 |
|
|
|
1034 |
731
|
bojilova
|
if ( doc.getRootNodeID() == 0 ) {
|
1035 |
|
|
// this is data file; add file to zip
|
1036 |
|
|
String filepath = util.getOption("datafilepath");
|
1037 |
|
|
if(!filepath.endsWith("/")) {
|
1038 |
|
|
filepath += "/";
|
1039 |
|
|
}
|
1040 |
|
|
String filename = filepath + doc.getDocname();
|
1041 |
|
|
zentry = new ZipEntry(filename);
|
1042 |
|
|
zout.putNextEntry(zentry);
|
1043 |
|
|
FileInputStream fin = null;
|
1044 |
|
|
try {
|
1045 |
|
|
fin = new FileInputStream(filename);
|
1046 |
|
|
byte[] buf = new byte[4 * 1024]; // 4K buffer
|
1047 |
|
|
int b = fin.read(buf);
|
1048 |
|
|
while (b != -1) {
|
1049 |
|
|
zout.write(buf, 0, b);
|
1050 |
|
|
b = fin.read(buf);
|
1051 |
|
|
}
|
1052 |
|
|
} finally {
|
1053 |
|
|
if (fin != null) fin.close();
|
1054 |
|
|
}
|
1055 |
|
|
zout.closeEntry();
|
1056 |
|
|
|
1057 |
|
|
} else {
|
1058 |
|
|
// this is metadata doc; add doc to zip
|
1059 |
|
|
bytestring = doc.toString().getBytes();
|
1060 |
|
|
zentry = new ZipEntry(docid + ".xml");
|
1061 |
|
|
zentry.setSize(bytestring.length);
|
1062 |
|
|
zout.putNextEntry(zentry);
|
1063 |
|
|
zout.write(bytestring, 0, bytestring.length);
|
1064 |
|
|
zout.closeEntry();
|
1065 |
636
|
berkley
|
}
|
1066 |
731
|
bojilova
|
} finally {
|
1067 |
|
|
util.returnConnection(conn);
|
1068 |
636
|
berkley
|
}
|
1069 |
|
|
|
1070 |
|
|
}
|
1071 |
731
|
bojilova
|
|
1072 |
636
|
berkley
|
}
|
1073 |
731
|
bojilova
|
|
1074 |
|
|
// view abstract within document
|
1075 |
|
|
private void viewAbstract(HttpServletResponse response,
|
1076 |
|
|
String abstractpath, String docid)
|
1077 |
|
|
throws ClassNotFoundException, IOException, SQLException,
|
1078 |
|
|
McdbException, Exception
|
1079 |
|
|
{
|
1080 |
309
|
bojilova
|
Connection conn = null;
|
1081 |
102
|
jones
|
try {
|
1082 |
309
|
bojilova
|
conn = util.getConnection();
|
1083 |
731
|
bojilova
|
|
1084 |
|
|
Object[] abstracts = DBQuery.getNodeContent(abstractpath, docid, conn);
|
1085 |
|
|
|
1086 |
|
|
response.setContentType("text/html"); //MIME type
|
1087 |
|
|
PrintWriter out = response.getWriter();
|
1088 |
|
|
out.println("<html><head><title>Abstract</title></head>");
|
1089 |
|
|
out.println("<body bgcolor=\"white\"><h1>Abstract</h1>");
|
1090 |
|
|
for (int i=0; i<abstracts.length; i++) {
|
1091 |
|
|
out.println("<p>" + (String)abstracts[i] + "</p>");
|
1092 |
|
|
}
|
1093 |
|
|
out.println("</body></html>");
|
1094 |
85
|
jones
|
|
1095 |
309
|
bojilova
|
} finally {
|
1096 |
320
|
bojilova
|
util.returnConnection(conn);
|
1097 |
731
|
bojilova
|
}
|
1098 |
49
|
jones
|
}
|
1099 |
731
|
bojilova
|
// END OF READ SECTION
|
1100 |
|
|
|
1101 |
|
|
// INSERT/UPDATE SECTION
|
1102 |
55
|
jones
|
/**
|
1103 |
|
|
* Handle the database putdocument request and write an XML document
|
1104 |
|
|
* to the database connection
|
1105 |
|
|
*/
|
1106 |
382
|
berkley
|
private void handleInsertOrUpdateAction(PrintWriter out, Hashtable params,
|
1107 |
802
|
bojilova
|
HttpServletResponse response, String user, String[] groups) {
|
1108 |
59
|
jones
|
|
1109 |
309
|
bojilova
|
Connection conn = null;
|
1110 |
|
|
|
1111 |
204
|
jones
|
try {
|
1112 |
|
|
// Get the document indicated
|
1113 |
|
|
String[] doctext = (String[])params.get("doctext");
|
1114 |
557
|
bojilova
|
|
1115 |
680
|
bojilova
|
String pub = null;
|
1116 |
|
|
if (params.containsKey("public")) {
|
1117 |
|
|
pub = ((String[])params.get("public"))[0];
|
1118 |
557
|
bojilova
|
}
|
1119 |
680
|
bojilova
|
|
1120 |
598
|
bojilova
|
StringReader dtd = null;
|
1121 |
680
|
bojilova
|
if (params.containsKey("dtdtext")) {
|
1122 |
598
|
bojilova
|
String[] dtdtext = (String[])params.get("dtdtext");
|
1123 |
|
|
try {
|
1124 |
619
|
bojilova
|
if ( !dtdtext[0].equals("") ) {
|
1125 |
|
|
dtd = new StringReader(dtdtext[0]);
|
1126 |
|
|
}
|
1127 |
598
|
bojilova
|
} catch (NullPointerException npe) {}
|
1128 |
|
|
}
|
1129 |
557
|
bojilova
|
|
1130 |
204
|
jones
|
StringReader xml = null;
|
1131 |
695
|
bojilova
|
boolean validate = false;
|
1132 |
204
|
jones
|
try {
|
1133 |
695
|
bojilova
|
// look inside XML Document for <!DOCTYPE ... PUBLIC/SYSTEM ... >
|
1134 |
|
|
// in order to decide whether to use validation parser
|
1135 |
|
|
validate = validateXML(doctext[0]);
|
1136 |
204
|
jones
|
xml = new StringReader(doctext[0]);
|
1137 |
59
|
jones
|
|
1138 |
204
|
jones
|
String[] action = (String[])params.get("action");
|
1139 |
|
|
String[] docid = (String[])params.get("docid");
|
1140 |
|
|
String newdocid = null;
|
1141 |
203
|
jones
|
|
1142 |
204
|
jones
|
String doAction = null;
|
1143 |
|
|
if (action[0].equals("insert")) {
|
1144 |
|
|
doAction = "INSERT";
|
1145 |
|
|
} else if (action[0].equals("update")) {
|
1146 |
|
|
doAction = "UPDATE";
|
1147 |
|
|
}
|
1148 |
203
|
jones
|
|
1149 |
204
|
jones
|
try {
|
1150 |
680
|
bojilova
|
// get a connection from the pool
|
1151 |
|
|
conn = util.getConnection();
|
1152 |
408
|
jones
|
|
1153 |
680
|
bojilova
|
// write the document to the database
|
1154 |
|
|
try {
|
1155 |
|
|
String accNumber = docid[0];
|
1156 |
|
|
if (accNumber.equals("")) {
|
1157 |
|
|
accNumber = null;
|
1158 |
309
|
bojilova
|
}
|
1159 |
680
|
bojilova
|
newdocid = DocumentImpl.write(conn, xml, pub, dtd, doAction,
|
1160 |
802
|
bojilova
|
accNumber, user, groups, validate);
|
1161 |
680
|
bojilova
|
} catch (NullPointerException npe) {
|
1162 |
|
|
newdocid = DocumentImpl.write(conn, xml, pub, dtd, doAction,
|
1163 |
802
|
bojilova
|
null, user, groups, validate);
|
1164 |
680
|
bojilova
|
}
|
1165 |
309
|
bojilova
|
} finally {
|
1166 |
320
|
bojilova
|
util.returnConnection(conn);
|
1167 |
309
|
bojilova
|
}
|
1168 |
|
|
|
1169 |
204
|
jones
|
// set content type and other response header fields first
|
1170 |
|
|
response.setContentType("text/xml");
|
1171 |
|
|
out.println("<?xml version=\"1.0\"?>");
|
1172 |
|
|
out.println("<success>");
|
1173 |
|
|
out.println("<docid>" + newdocid + "</docid>");
|
1174 |
|
|
out.println("</success>");
|
1175 |
|
|
|
1176 |
203
|
jones
|
} catch (NullPointerException npe) {
|
1177 |
204
|
jones
|
response.setContentType("text/xml");
|
1178 |
|
|
out.println("<?xml version=\"1.0\"?>");
|
1179 |
|
|
out.println("<error>");
|
1180 |
|
|
out.println(npe.getMessage());
|
1181 |
|
|
out.println("</error>");
|
1182 |
55
|
jones
|
}
|
1183 |
204
|
jones
|
} catch (Exception e) {
|
1184 |
|
|
response.setContentType("text/xml");
|
1185 |
|
|
out.println("<?xml version=\"1.0\"?>");
|
1186 |
|
|
out.println("<error>");
|
1187 |
|
|
out.println(e.getMessage());
|
1188 |
|
|
if (e instanceof SAXException) {
|
1189 |
|
|
Exception e2 = ((SAXException)e).getException();
|
1190 |
|
|
out.println("<error>");
|
1191 |
780
|
berkley
|
try
|
1192 |
|
|
{
|
1193 |
|
|
out.println(e2.getMessage());
|
1194 |
|
|
}
|
1195 |
|
|
catch(NullPointerException npe)
|
1196 |
|
|
{
|
1197 |
|
|
out.println(e.getMessage());
|
1198 |
|
|
}
|
1199 |
204
|
jones
|
out.println("</error>");
|
1200 |
|
|
}
|
1201 |
|
|
//e.printStackTrace(out);
|
1202 |
|
|
out.println("</error>");
|
1203 |
203
|
jones
|
}
|
1204 |
55
|
jones
|
}
|
1205 |
203
|
jones
|
|
1206 |
|
|
/**
|
1207 |
695
|
bojilova
|
* Parse XML Document to look for <!DOCTYPE ... PUBLIC/SYSTEM ... >
|
1208 |
|
|
* in order to decide whether to use validation parser
|
1209 |
|
|
*/
|
1210 |
|
|
private static boolean validateXML(String xmltext) throws IOException {
|
1211 |
|
|
|
1212 |
|
|
StringReader xmlreader = new StringReader(xmltext);
|
1213 |
|
|
StringBuffer cbuff = new StringBuffer();
|
1214 |
|
|
java.util.Stack st = new java.util.Stack();
|
1215 |
|
|
boolean validate = false;
|
1216 |
|
|
int c;
|
1217 |
|
|
int inx;
|
1218 |
|
|
|
1219 |
|
|
// read from the stream until find the keywords
|
1220 |
|
|
while ( (st.empty() || st.size()<4) && ((c = xmlreader.read()) != -1) ) {
|
1221 |
|
|
cbuff.append((char)c);
|
1222 |
|
|
|
1223 |
|
|
// "<!DOCTYPE" keyword is found; put it in the stack
|
1224 |
|
|
if ( (inx = cbuff.toString().indexOf("<!DOCTYPE")) != -1 ) {
|
1225 |
|
|
cbuff = new StringBuffer();
|
1226 |
|
|
st.push("<!DOCTYPE");
|
1227 |
|
|
}
|
1228 |
|
|
// "PUBLIC" keyword is found; put it in the stack
|
1229 |
|
|
if ( (inx = cbuff.toString().indexOf("PUBLIC")) != -1 ) {
|
1230 |
|
|
cbuff = new StringBuffer();
|
1231 |
|
|
st.push("PUBLIC");
|
1232 |
|
|
}
|
1233 |
|
|
// "SYSTEM" keyword is found; put it in the stack
|
1234 |
|
|
if ( (inx = cbuff.toString().indexOf("SYSTEM")) != -1 ) {
|
1235 |
|
|
cbuff = new StringBuffer();
|
1236 |
|
|
st.push("SYSTEM");
|
1237 |
|
|
}
|
1238 |
|
|
// ">" character is found; put it in the stack
|
1239 |
|
|
// ">" is found twice: fisrt from <?xml ...?>
|
1240 |
|
|
// and second from <!DOCTYPE ... >
|
1241 |
|
|
if ( (inx = cbuff.toString().indexOf(">")) != -1 ) {
|
1242 |
|
|
cbuff = new StringBuffer();
|
1243 |
|
|
st.push(">");
|
1244 |
|
|
}
|
1245 |
|
|
}
|
1246 |
|
|
|
1247 |
|
|
// close the stream
|
1248 |
|
|
xmlreader.close();
|
1249 |
|
|
|
1250 |
|
|
// check the stack whether it contains the keywords:
|
1251 |
|
|
// "<!DOCTYPE", "PUBLIC" or "SYSTEM", and ">" in this order
|
1252 |
|
|
if ( st.size() == 4 ) {
|
1253 |
|
|
if ( ((String)st.pop()).equals(">") &&
|
1254 |
|
|
( ((String)st.peek()).equals("PUBLIC") |
|
1255 |
|
|
((String)st.pop()).equals("SYSTEM") ) &&
|
1256 |
|
|
((String)st.pop()).equals("<!DOCTYPE") ) {
|
1257 |
|
|
validate = true;
|
1258 |
|
|
}
|
1259 |
|
|
}
|
1260 |
|
|
|
1261 |
|
|
System.out.println("Validation is " + validate);
|
1262 |
|
|
return validate;
|
1263 |
|
|
}
|
1264 |
731
|
bojilova
|
// END OF INSERT/UPDATE SECTION
|
1265 |
695
|
bojilova
|
|
1266 |
731
|
bojilova
|
// DELETE SECTION
|
1267 |
695
|
bojilova
|
/**
|
1268 |
203
|
jones
|
* Handle the database delete request and delete an XML document
|
1269 |
|
|
* from the database connection
|
1270 |
|
|
*/
|
1271 |
|
|
private void handleDeleteAction(PrintWriter out, Hashtable params,
|
1272 |
802
|
bojilova
|
HttpServletResponse response, String user, String[] groups) {
|
1273 |
203
|
jones
|
|
1274 |
|
|
String[] docid = (String[])params.get("docid");
|
1275 |
309
|
bojilova
|
Connection conn = null;
|
1276 |
203
|
jones
|
|
1277 |
|
|
// delete the document from the database
|
1278 |
|
|
try {
|
1279 |
309
|
bojilova
|
// get a connection from the pool
|
1280 |
|
|
conn = util.getConnection();
|
1281 |
203
|
jones
|
// NOTE -- NEED TO TEST HERE
|
1282 |
408
|
jones
|
// FOR EXISTENCE OF DOCID PARAM
|
1283 |
203
|
jones
|
// BEFORE ACCESSING ARRAY
|
1284 |
375
|
berkley
|
try {
|
1285 |
802
|
bojilova
|
DocumentImpl.delete(conn, docid[0], user, groups);
|
1286 |
204
|
jones
|
response.setContentType("text/xml");
|
1287 |
|
|
out.println("<?xml version=\"1.0\"?>");
|
1288 |
|
|
out.println("<success>");
|
1289 |
203
|
jones
|
out.println("Document deleted.");
|
1290 |
204
|
jones
|
out.println("</success>");
|
1291 |
203
|
jones
|
} catch (AccessionNumberException ane) {
|
1292 |
204
|
jones
|
response.setContentType("text/xml");
|
1293 |
|
|
out.println("<?xml version=\"1.0\"?>");
|
1294 |
|
|
out.println("<error>");
|
1295 |
|
|
out.println("Error deleting document!!!");
|
1296 |
203
|
jones
|
out.println(ane.getMessage());
|
1297 |
204
|
jones
|
out.println("</error>");
|
1298 |
203
|
jones
|
}
|
1299 |
204
|
jones
|
} catch (Exception e) {
|
1300 |
|
|
response.setContentType("text/xml");
|
1301 |
|
|
out.println("<?xml version=\"1.0\"?>");
|
1302 |
|
|
out.println("<error>");
|
1303 |
|
|
out.println(e.getMessage());
|
1304 |
|
|
out.println("</error>");
|
1305 |
309
|
bojilova
|
} finally {
|
1306 |
320
|
bojilova
|
util.returnConnection(conn);
|
1307 |
309
|
bojilova
|
}
|
1308 |
203
|
jones
|
}
|
1309 |
731
|
bojilova
|
// END OF DELETE SECTION
|
1310 |
68
|
higgins
|
|
1311 |
731
|
bojilova
|
// VALIDATE SECTION
|
1312 |
68
|
higgins
|
/**
|
1313 |
380
|
jones
|
* Handle the validation request and return the results to the requestor
|
1314 |
68
|
higgins
|
*/
|
1315 |
185
|
jones
|
private void handleValidateAction(PrintWriter out, Hashtable params,
|
1316 |
|
|
HttpServletResponse response) {
|
1317 |
68
|
higgins
|
|
1318 |
103
|
jones
|
// Get the document indicated
|
1319 |
|
|
String valtext = null;
|
1320 |
309
|
bojilova
|
|
1321 |
103
|
jones
|
try {
|
1322 |
|
|
valtext = ((String[])params.get("valtext"))[0];
|
1323 |
|
|
} catch (Exception nullpe) {
|
1324 |
68
|
higgins
|
|
1325 |
309
|
bojilova
|
Connection conn = null;
|
1326 |
162
|
bojilova
|
String docid = null;
|
1327 |
103
|
jones
|
try {
|
1328 |
|
|
// Find the document id number
|
1329 |
185
|
jones
|
docid = ((String[])params.get("docid"))[0];
|
1330 |
309
|
bojilova
|
|
1331 |
|
|
// get a connection from the pool
|
1332 |
|
|
conn = util.getConnection();
|
1333 |
393
|
jones
|
|
1334 |
309
|
bojilova
|
// Get the document indicated from the db
|
1335 |
393
|
jones
|
DocumentImpl xmldoc = new DocumentImpl(conn, docid);
|
1336 |
|
|
valtext = xmldoc.toString();
|
1337 |
185
|
jones
|
|
1338 |
103
|
jones
|
} catch (NullPointerException npe) {
|
1339 |
253
|
jones
|
response.setContentType("text/xml");
|
1340 |
|
|
out.println("<error>Error getting document ID: " + docid + "</error>");
|
1341 |
320
|
bojilova
|
if ( conn != null ) { util.returnConnection(conn); }
|
1342 |
380
|
jones
|
return;
|
1343 |
309
|
bojilova
|
} catch (Exception e) {
|
1344 |
|
|
response.setContentType("text/html");
|
1345 |
|
|
out.println(e.getMessage());
|
1346 |
|
|
} finally {
|
1347 |
320
|
bojilova
|
util.returnConnection(conn);
|
1348 |
309
|
bojilova
|
}
|
1349 |
103
|
jones
|
}
|
1350 |
68
|
higgins
|
|
1351 |
309
|
bojilova
|
Connection conn = null;
|
1352 |
103
|
jones
|
try {
|
1353 |
309
|
bojilova
|
// get a connection from the pool
|
1354 |
|
|
conn = util.getConnection();
|
1355 |
253
|
jones
|
DBValidate valobj = new DBValidate(saxparser,conn);
|
1356 |
185
|
jones
|
boolean valid = valobj.validateString(valtext);
|
1357 |
68
|
higgins
|
|
1358 |
|
|
// set content type and other response header fields first
|
1359 |
253
|
jones
|
response.setContentType("text/xml");
|
1360 |
|
|
out.println(valobj.returnErrors());
|
1361 |
|
|
|
1362 |
103
|
jones
|
} catch (NullPointerException npe2) {
|
1363 |
|
|
// set content type and other response header fields first
|
1364 |
253
|
jones
|
response.setContentType("text/xml");
|
1365 |
|
|
out.println("<error>Error validating document.</error>");
|
1366 |
309
|
bojilova
|
} catch (Exception e) {
|
1367 |
|
|
response.setContentType("text/html");
|
1368 |
|
|
out.println(e.getMessage());
|
1369 |
|
|
} finally {
|
1370 |
320
|
bojilova
|
util.returnConnection(conn);
|
1371 |
309
|
bojilova
|
}
|
1372 |
103
|
jones
|
}
|
1373 |
731
|
bojilova
|
// END OF VALIDATE SECTION
|
1374 |
|
|
|
1375 |
|
|
// OTHER ACTION HANDLERS
|
1376 |
302
|
bojilova
|
|
1377 |
|
|
/**
|
1378 |
688
|
bojilova
|
* Handle "getaccesscontrol" action.
|
1379 |
|
|
* Read Access Control List from db connection in XML format
|
1380 |
|
|
*/
|
1381 |
|
|
private void handleGetAccessControlAction(PrintWriter out, Hashtable params,
|
1382 |
|
|
HttpServletResponse response,
|
1383 |
802
|
bojilova
|
String username, String[] groupnames) {
|
1384 |
688
|
bojilova
|
|
1385 |
|
|
Connection conn = null;
|
1386 |
|
|
String docid = ((String[])params.get("docid"))[0];
|
1387 |
|
|
|
1388 |
|
|
try {
|
1389 |
|
|
|
1390 |
|
|
// get connection from the pool
|
1391 |
|
|
conn = util.getConnection();
|
1392 |
|
|
AccessControlList aclobj = new AccessControlList(conn);
|
1393 |
802
|
bojilova
|
String acltext = aclobj.getACL(docid, username, groupnames);
|
1394 |
688
|
bojilova
|
out.println(acltext);
|
1395 |
|
|
|
1396 |
|
|
} catch (Exception e) {
|
1397 |
|
|
out.println("<?xml version=\"1.0\"?>");
|
1398 |
|
|
out.println("<error>");
|
1399 |
|
|
out.println(e.getMessage());
|
1400 |
|
|
out.println("</error>");
|
1401 |
|
|
} finally {
|
1402 |
|
|
util.returnConnection(conn);
|
1403 |
|
|
}
|
1404 |
|
|
|
1405 |
|
|
}
|
1406 |
|
|
|
1407 |
|
|
/**
|
1408 |
731
|
bojilova
|
* Handle the "getprincipals" action.
|
1409 |
|
|
* Read all principals from authentication scheme in XML format
|
1410 |
|
|
*/
|
1411 |
|
|
private void handleGetPrincipalsAction(PrintWriter out, String user,
|
1412 |
|
|
String password) {
|
1413 |
|
|
|
1414 |
|
|
Connection conn = null;
|
1415 |
|
|
|
1416 |
|
|
try {
|
1417 |
|
|
|
1418 |
|
|
// get connection from the pool
|
1419 |
|
|
AuthSession auth = new AuthSession();
|
1420 |
|
|
String principals = auth.getPrincipals(user, password);
|
1421 |
|
|
out.println(principals);
|
1422 |
|
|
|
1423 |
|
|
} catch (Exception e) {
|
1424 |
|
|
out.println("<?xml version=\"1.0\"?>");
|
1425 |
|
|
out.println("<error>");
|
1426 |
|
|
out.println(e.getMessage());
|
1427 |
|
|
out.println("</error>");
|
1428 |
|
|
} finally {
|
1429 |
|
|
util.returnConnection(conn);
|
1430 |
|
|
}
|
1431 |
|
|
|
1432 |
|
|
}
|
1433 |
|
|
|
1434 |
|
|
/**
|
1435 |
688
|
bojilova
|
* Handle "getdoctypes" action.
|
1436 |
302
|
bojilova
|
* Read all doctypes from db connection in XML format
|
1437 |
|
|
*/
|
1438 |
|
|
private void handleGetDoctypesAction(PrintWriter out, Hashtable params,
|
1439 |
|
|
HttpServletResponse response) {
|
1440 |
|
|
|
1441 |
309
|
bojilova
|
Connection conn = null;
|
1442 |
|
|
|
1443 |
302
|
bojilova
|
try {
|
1444 |
|
|
|
1445 |
309
|
bojilova
|
// get connection from the pool
|
1446 |
|
|
conn = util.getConnection();
|
1447 |
|
|
DBUtil dbutil = new DBUtil(conn);
|
1448 |
302
|
bojilova
|
String doctypes = dbutil.readDoctypes();
|
1449 |
|
|
out.println(doctypes);
|
1450 |
|
|
|
1451 |
|
|
} catch (Exception e) {
|
1452 |
|
|
out.println("<?xml version=\"1.0\"?>");
|
1453 |
|
|
out.println("<error>");
|
1454 |
|
|
out.println(e.getMessage());
|
1455 |
|
|
out.println("</error>");
|
1456 |
309
|
bojilova
|
} finally {
|
1457 |
320
|
bojilova
|
util.returnConnection(conn);
|
1458 |
309
|
bojilova
|
}
|
1459 |
302
|
bojilova
|
|
1460 |
|
|
}
|
1461 |
|
|
|
1462 |
|
|
/**
|
1463 |
699
|
bojilova
|
* Handle the "getdtdschema" action.
|
1464 |
|
|
* Read DTD or Schema file for a given doctype from Metacat catalog system
|
1465 |
|
|
*/
|
1466 |
|
|
private void handleGetDTDSchemaAction(PrintWriter out, Hashtable params,
|
1467 |
|
|
HttpServletResponse response) {
|
1468 |
|
|
|
1469 |
|
|
Connection conn = null;
|
1470 |
|
|
String doctype = null;
|
1471 |
|
|
String[] doctypeArr = (String[])params.get("doctype");
|
1472 |
|
|
|
1473 |
|
|
// get only the first doctype specified in the list of doctypes
|
1474 |
|
|
// it could be done for all doctypes in that list
|
1475 |
|
|
if (doctypeArr != null) {
|
1476 |
|
|
doctype = ((String[])params.get("doctype"))[0];
|
1477 |
|
|
}
|
1478 |
|
|
|
1479 |
|
|
try {
|
1480 |
|
|
|
1481 |
|
|
// get connection from the pool
|
1482 |
|
|
conn = util.getConnection();
|
1483 |
|
|
DBUtil dbutil = new DBUtil(conn);
|
1484 |
|
|
String dtdschema = dbutil.readDTDSchema(doctype);
|
1485 |
|
|
out.println(dtdschema);
|
1486 |
|
|
|
1487 |
|
|
} catch (Exception e) {
|
1488 |
|
|
out.println("<?xml version=\"1.0\"?>");
|
1489 |
|
|
out.println("<error>");
|
1490 |
|
|
out.println(e.getMessage());
|
1491 |
|
|
out.println("</error>");
|
1492 |
|
|
} finally {
|
1493 |
|
|
util.returnConnection(conn);
|
1494 |
|
|
}
|
1495 |
|
|
|
1496 |
|
|
}
|
1497 |
|
|
|
1498 |
|
|
/**
|
1499 |
688
|
bojilova
|
* Handle the "getdataguide" action.
|
1500 |
302
|
bojilova
|
* Read Data Guide for a given doctype from db connection in XML format
|
1501 |
|
|
*/
|
1502 |
|
|
private void handleGetDataGuideAction(PrintWriter out, Hashtable params,
|
1503 |
|
|
HttpServletResponse response) {
|
1504 |
|
|
|
1505 |
309
|
bojilova
|
Connection conn = null;
|
1506 |
316
|
bojilova
|
String doctype = null;
|
1507 |
|
|
String[] doctypeArr = (String[])params.get("doctype");
|
1508 |
309
|
bojilova
|
|
1509 |
316
|
bojilova
|
// get only the first doctype specified in the list of doctypes
|
1510 |
|
|
// it could be done for all doctypes in that list
|
1511 |
|
|
if (doctypeArr != null) {
|
1512 |
|
|
doctype = ((String[])params.get("doctype"))[0];
|
1513 |
|
|
}
|
1514 |
|
|
|
1515 |
302
|
bojilova
|
try {
|
1516 |
|
|
|
1517 |
309
|
bojilova
|
// get connection from the pool
|
1518 |
|
|
conn = util.getConnection();
|
1519 |
|
|
DBUtil dbutil = new DBUtil(conn);
|
1520 |
316
|
bojilova
|
String dataguide = dbutil.readDataGuide(doctype);
|
1521 |
302
|
bojilova
|
out.println(dataguide);
|
1522 |
|
|
|
1523 |
|
|
} catch (Exception e) {
|
1524 |
|
|
out.println("<?xml version=\"1.0\"?>");
|
1525 |
|
|
out.println("<error>");
|
1526 |
|
|
out.println(e.getMessage());
|
1527 |
|
|
out.println("</error>");
|
1528 |
309
|
bojilova
|
} finally {
|
1529 |
320
|
bojilova
|
util.returnConnection(conn);
|
1530 |
309
|
bojilova
|
}
|
1531 |
302
|
bojilova
|
|
1532 |
|
|
}
|
1533 |
|
|
|
1534 |
793
|
bojilova
|
/**
|
1535 |
|
|
* Handle the "getlastdocid" action.
|
1536 |
|
|
* Get the latest docid with rev number from db connection in XML format
|
1537 |
|
|
*/
|
1538 |
847
|
jones
|
private void handleGetMaxDocidAction(PrintWriter out, Hashtable params,
|
1539 |
793
|
bojilova
|
HttpServletResponse response) {
|
1540 |
|
|
|
1541 |
|
|
Connection conn = null;
|
1542 |
847
|
jones
|
String scope = ((String[])params.get("scope"))[0];
|
1543 |
|
|
if (scope == null) {
|
1544 |
|
|
scope = ((String[])params.get("username"))[0];
|
1545 |
|
|
}
|
1546 |
793
|
bojilova
|
|
1547 |
|
|
try {
|
1548 |
|
|
|
1549 |
|
|
// get connection from the pool
|
1550 |
|
|
conn = util.getConnection();
|
1551 |
|
|
DBUtil dbutil = new DBUtil(conn);
|
1552 |
847
|
jones
|
String lastDocid = dbutil.getMaxDocid(scope);
|
1553 |
793
|
bojilova
|
out.println("<?xml version=\"1.0\"?>");
|
1554 |
|
|
out.println("<lastDocid>");
|
1555 |
847
|
jones
|
out.println(" <scope>" + scope + "</scope>");
|
1556 |
793
|
bojilova
|
out.println(" <docid>" + lastDocid + "</docid>");
|
1557 |
|
|
out.println("</lastDocid>");
|
1558 |
|
|
|
1559 |
|
|
} catch (Exception e) {
|
1560 |
|
|
out.println("<?xml version=\"1.0\"?>");
|
1561 |
|
|
out.println("<error>");
|
1562 |
|
|
out.println(e.getMessage());
|
1563 |
|
|
out.println("</error>");
|
1564 |
|
|
} finally {
|
1565 |
|
|
util.returnConnection(conn);
|
1566 |
|
|
}
|
1567 |
|
|
|
1568 |
|
|
}
|
1569 |
|
|
|
1570 |
798
|
jones
|
/**
|
1571 |
|
|
* Handle documents passed to metacat that are encoded using the
|
1572 |
|
|
* "multipart/form-data" mime type. This is typically used for uploading
|
1573 |
|
|
* data files which may be binary and large.
|
1574 |
|
|
*/
|
1575 |
|
|
private void handleMultipartForm(HttpServletRequest request,
|
1576 |
|
|
HttpServletResponse response)
|
1577 |
|
|
{
|
1578 |
|
|
PrintWriter out = null;
|
1579 |
|
|
String action = null;
|
1580 |
|
|
|
1581 |
|
|
// Parse the multipart form, and save the parameters in a Hashtable and
|
1582 |
|
|
// save the FileParts in a hashtable
|
1583 |
|
|
|
1584 |
|
|
Hashtable params = new Hashtable();
|
1585 |
|
|
Hashtable fileList = new Hashtable();
|
1586 |
|
|
|
1587 |
|
|
try {
|
1588 |
|
|
// MBJ: need to put filesize limit in Metacat config (metacat.properties)
|
1589 |
943
|
tao
|
MultipartParser mp = new MultipartParser(request, 200*1024*1024); //200MB
|
1590 |
798
|
jones
|
Part part;
|
1591 |
|
|
while ((part = mp.readNextPart()) != null) {
|
1592 |
|
|
String name = part.getName();
|
1593 |
|
|
|
1594 |
|
|
if (part.isParam()) {
|
1595 |
|
|
// it's a parameter part
|
1596 |
|
|
ParamPart paramPart = (ParamPart) part;
|
1597 |
|
|
String value = paramPart.getStringValue();
|
1598 |
|
|
params.put(name, value);
|
1599 |
|
|
if (name.equals("action")) {
|
1600 |
|
|
action = value;
|
1601 |
|
|
}
|
1602 |
|
|
} else if (part.isFile()) {
|
1603 |
|
|
// it's a file part
|
1604 |
|
|
FilePart filePart = (FilePart) part;
|
1605 |
|
|
fileList.put(name, filePart);
|
1606 |
|
|
|
1607 |
|
|
// Stop once the first file part is found, otherwise going onto the
|
1608 |
|
|
// next part prevents access to the file contents. So...for upload
|
1609 |
|
|
// to work, the datafile must be the last part
|
1610 |
|
|
break;
|
1611 |
|
|
}
|
1612 |
|
|
}
|
1613 |
|
|
} catch (IOException ioe) {
|
1614 |
|
|
try {
|
1615 |
|
|
out = response.getWriter();
|
1616 |
|
|
} catch (IOException ioe2) {
|
1617 |
|
|
System.err.println("Fatal Error: couldn't get response output stream.");
|
1618 |
|
|
}
|
1619 |
|
|
out.println("<?xml version=\"1.0\"?>");
|
1620 |
|
|
out.println("<error>");
|
1621 |
|
|
out.println("Error: problem reading multipart data.");
|
1622 |
|
|
out.println("</error>");
|
1623 |
|
|
}
|
1624 |
|
|
|
1625 |
|
|
// Get the session information
|
1626 |
|
|
String username = null;
|
1627 |
|
|
String password = null;
|
1628 |
802
|
bojilova
|
String[] groupnames = null;
|
1629 |
798
|
jones
|
String sess_id = null;
|
1630 |
|
|
|
1631 |
|
|
// be aware of session expiration on every request
|
1632 |
|
|
HttpSession sess = request.getSession(true);
|
1633 |
|
|
if (sess.isNew()) {
|
1634 |
|
|
// session expired or has not been stored b/w user requests
|
1635 |
|
|
username = "public";
|
1636 |
|
|
sess.setAttribute("username", username);
|
1637 |
|
|
} else {
|
1638 |
|
|
username = (String)sess.getAttribute("username");
|
1639 |
|
|
password = (String)sess.getAttribute("password");
|
1640 |
802
|
bojilova
|
groupnames = (String[])sess.getAttribute("groupnames");
|
1641 |
798
|
jones
|
try {
|
1642 |
|
|
sess_id = (String)sess.getId();
|
1643 |
|
|
} catch(IllegalStateException ise) {
|
1644 |
|
|
System.out.println("error in handleMultipartForm: this shouldn't " +
|
1645 |
|
|
"happen: the session should be valid: " +
|
1646 |
|
|
ise.getMessage());
|
1647 |
|
|
}
|
1648 |
|
|
}
|
1649 |
|
|
|
1650 |
|
|
if ( action.equals("upload")) {
|
1651 |
|
|
if (username != null && !username.equals("public")) {
|
1652 |
|
|
handleUploadAction(request, response, params, fileList,
|
1653 |
802
|
bojilova
|
username, groupnames);
|
1654 |
798
|
jones
|
} else {
|
1655 |
|
|
try {
|
1656 |
|
|
out = response.getWriter();
|
1657 |
|
|
} catch (IOException ioe2) {
|
1658 |
943
|
tao
|
util.debugMessage("Fatal Error: couldn't get response "+
|
1659 |
|
|
"output stream.");
|
1660 |
798
|
jones
|
}
|
1661 |
|
|
out.println("<?xml version=\"1.0\"?>");
|
1662 |
|
|
out.println("<error>");
|
1663 |
|
|
out.println("Permission denied for " + action);
|
1664 |
|
|
out.println("</error>");
|
1665 |
|
|
}
|
1666 |
|
|
} else {
|
1667 |
|
|
try {
|
1668 |
|
|
out = response.getWriter();
|
1669 |
|
|
} catch (IOException ioe2) {
|
1670 |
|
|
System.err.println("Fatal Error: couldn't get response output stream.");
|
1671 |
|
|
}
|
1672 |
|
|
out.println("<?xml version=\"1.0\"?>");
|
1673 |
|
|
out.println("<error>");
|
1674 |
|
|
out.println("Error: action not registered. Please report this error.");
|
1675 |
|
|
out.println("</error>");
|
1676 |
|
|
}
|
1677 |
|
|
}
|
1678 |
|
|
|
1679 |
|
|
/**
|
1680 |
|
|
* Handle the upload action by saving the attached file to disk and
|
1681 |
|
|
* registering it in the Metacat db
|
1682 |
|
|
*/
|
1683 |
|
|
private void handleUploadAction(HttpServletRequest request,
|
1684 |
|
|
HttpServletResponse response,
|
1685 |
|
|
Hashtable params, Hashtable fileList,
|
1686 |
802
|
bojilova
|
String username, String[] groupnames)
|
1687 |
798
|
jones
|
{
|
1688 |
|
|
PrintWriter out = null;
|
1689 |
|
|
Connection conn = null;
|
1690 |
|
|
String action = null;
|
1691 |
|
|
String docid = null;
|
1692 |
1041
|
tao
|
|
1693 |
798
|
jones
|
response.setContentType("text/xml");
|
1694 |
1041
|
tao
|
try
|
1695 |
|
|
{
|
1696 |
798
|
jones
|
out = response.getWriter();
|
1697 |
1041
|
tao
|
}
|
1698 |
|
|
catch (IOException ioe2)
|
1699 |
|
|
{
|
1700 |
798
|
jones
|
System.err.println("Fatal Error: couldn't get response output stream.");
|
1701 |
|
|
}
|
1702 |
|
|
|
1703 |
1041
|
tao
|
if (params.containsKey("docid"))
|
1704 |
|
|
{
|
1705 |
798
|
jones
|
docid = (String)params.get("docid");
|
1706 |
|
|
}
|
1707 |
|
|
|
1708 |
|
|
// Make sure we have a docid and datafile
|
1709 |
|
|
if (docid != null && fileList.containsKey("datafile")) {
|
1710 |
|
|
|
1711 |
|
|
// Get a reference to the file part of the form
|
1712 |
|
|
FilePart filePart = (FilePart)fileList.get("datafile");
|
1713 |
|
|
String fileName = filePart.getFileName();
|
1714 |
1056
|
tao
|
MetaCatUtil.debugMessage("Uploading filename: " + fileName, 10);
|
1715 |
798
|
jones
|
|
1716 |
|
|
// Check if the right file existed in the uploaded data
|
1717 |
|
|
if (fileName != null) {
|
1718 |
|
|
|
1719 |
1028
|
tao
|
try
|
1720 |
|
|
{
|
1721 |
|
|
//If document get lock data file grant
|
1722 |
1070
|
tao
|
if (DocumentImpl.getDataFileLockGrant(docid))
|
1723 |
|
|
{
|
1724 |
1064
|
tao
|
// register the file in the database (which generates an exception
|
1725 |
1028
|
tao
|
//if the docid is not acceptable or other untoward things happen
|
1726 |
|
|
DocumentImpl.registerDocument(fileName, "BIN", docid, username);
|
1727 |
798
|
jones
|
|
1728 |
1028
|
tao
|
// Save the data file to disk using "docid" as the name
|
1729 |
|
|
dataDirectory.mkdirs();
|
1730 |
|
|
File newFile = new File(dataDirectory, docid);
|
1731 |
|
|
long size = filePart.writeTo(newFile);
|
1732 |
|
|
if ((util.getOption("replicationdata")).equals("on"))
|
1733 |
|
|
{
|
1734 |
|
|
// force replcation data file if metacat was configured
|
1735 |
1041
|
tao
|
if (ReplicationHandler.getServerLocation(docid)==1)
|
1736 |
|
|
{//local host document
|
1737 |
|
|
conn=util.getConnection();
|
1738 |
|
|
ForceReplicationHandler frh = new ForceReplicationHandler
|
1739 |
|
|
(docid, "insert", false, ReplicationHandler.buildServerList(conn));
|
1740 |
1064
|
tao
|
conn.close();
|
1741 |
1041
|
tao
|
}//if
|
1742 |
|
|
else
|
1743 |
|
|
{
|
1744 |
|
|
//if it is super hub, replication to server list
|
1745 |
|
|
if ((util.getOption("hub")).equals("super"))
|
1746 |
|
|
{
|
1747 |
|
|
ForceReplicationHandler frh = new ForceReplicationHandler
|
1748 |
|
|
(docid,true, ReplicationHandler.buildServerList(conn));
|
1749 |
1064
|
tao
|
conn.close();
|
1750 |
1041
|
tao
|
}//if
|
1751 |
|
|
else
|
1752 |
|
|
{
|
1753 |
|
|
//only replicate to home host of the document
|
1754 |
|
|
String id=util.getDocIdFromString(docid);
|
1755 |
|
|
ForceReplicationHandler frh = new ForceReplicationHandler
|
1756 |
|
|
(docid, true, ReplicationHandler.getHomeServer(id));
|
1757 |
|
|
}//else
|
1758 |
|
|
}//else
|
1759 |
|
|
}//if
|
1760 |
1028
|
tao
|
// set content type and other response header fields first
|
1761 |
|
|
out.println("<?xml version=\"1.0\"?>");
|
1762 |
|
|
out.println("<success>");
|
1763 |
|
|
out.println("<docid>" + docid + "</docid>");
|
1764 |
|
|
out.println("<size>" + size + "</size>");
|
1765 |
|
|
out.println("</success>");
|
1766 |
1070
|
tao
|
}//if
|
1767 |
798
|
jones
|
|
1768 |
1028
|
tao
|
} //try
|
1769 |
1041
|
tao
|
catch (Exception e)
|
1770 |
|
|
{
|
1771 |
798
|
jones
|
out.println("<?xml version=\"1.0\"?>");
|
1772 |
|
|
out.println("<error>");
|
1773 |
|
|
out.println(e.getMessage());
|
1774 |
|
|
out.println("</error>");
|
1775 |
|
|
}
|
1776 |
1041
|
tao
|
finally
|
1777 |
|
|
{
|
1778 |
1064
|
tao
|
try
|
1779 |
|
|
{
|
1780 |
|
|
conn.close();
|
1781 |
|
|
}
|
1782 |
|
|
catch (SQLException ee)
|
1783 |
|
|
{}
|
1784 |
1041
|
tao
|
}
|
1785 |
|
|
}
|
1786 |
|
|
else
|
1787 |
|
|
{
|
1788 |
798
|
jones
|
// the field did not contain a file
|
1789 |
|
|
out.println("<?xml version=\"1.0\"?>");
|
1790 |
|
|
out.println("<error>");
|
1791 |
|
|
out.println("The uploaded data did not contain a valid file.");
|
1792 |
|
|
out.println("</error>");
|
1793 |
|
|
}
|
1794 |
1041
|
tao
|
}
|
1795 |
|
|
else
|
1796 |
|
|
{
|
1797 |
798
|
jones
|
// Error bcse docid missing or file missing
|
1798 |
|
|
out.println("<?xml version=\"1.0\"?>");
|
1799 |
|
|
out.println("<error>");
|
1800 |
|
|
out.println("The uploaded data did not contain a valid docid " +
|
1801 |
|
|
"or valid file.");
|
1802 |
|
|
out.println("</error>");
|
1803 |
|
|
}
|
1804 |
|
|
}
|
1805 |
46
|
jones
|
}
|