Revision 59
Added by Matt Jones about 24 years ago
| MetaCatServlet.java | ||
|---|---|---|
| 14 | 14 |
import java.io.IOException; |
| 15 | 15 |
import java.io.Reader; |
| 16 | 16 |
import java.io.StringReader; |
| 17 |
import java.io.BufferedReader; |
|
| 17 | 18 |
import java.util.Enumeration; |
| 18 | 19 |
import java.util.Hashtable; |
| 19 | 20 |
import java.net.URL; |
| ... | ... | |
| 87 | 88 |
public void doGet (HttpServletRequest request, HttpServletResponse response) |
| 88 | 89 |
throws ServletException, IOException {
|
| 89 | 90 |
|
| 90 |
// Get the parameters from the form |
|
| 91 |
String querystring = request.getQueryString(); |
|
| 92 |
Hashtable params = HttpUtils.parseQueryString(querystring); |
|
| 93 |
|
|
| 94 | 91 |
// Process the data and send back the response |
| 95 |
handleGetOrPost(response, params);
|
|
| 92 |
handleGetOrPost(request, response);
|
|
| 96 | 93 |
} |
| 97 | 94 |
|
| 98 | 95 |
/** Handle "POST" method requests from HTTP clients */ |
| 99 | 96 |
public void doPost( HttpServletRequest request, HttpServletResponse response) |
| 100 | 97 |
throws ServletException, IOException {
|
| 101 | 98 |
|
| 102 |
// Get the input data from the client |
|
| 103 |
ServletInputStream in = request.getInputStream(); |
|
| 104 |
int len = request.getContentLength(); |
|
| 105 |
|
|
| 106 |
// Parse the input data into a Hashtable |
|
| 107 |
Hashtable params = HttpUtils.parsePostData(len, in); |
|
| 108 |
|
|
| 109 | 99 |
// Process the data and send back the response |
| 110 |
handleGetOrPost(response, params);
|
|
| 100 |
handleGetOrPost(request, response);
|
|
| 111 | 101 |
} |
| 112 | 102 |
|
| 113 | 103 |
/** |
| 114 | 104 |
* Control servlet response depending on the action parameter specified |
| 115 | 105 |
*/ |
| 116 |
private void handleGetOrPost(HttpServletResponse response, Hashtable params) |
|
| 106 |
private void handleGetOrPost(HttpServletRequest request, |
|
| 107 |
HttpServletResponse response) |
|
| 117 | 108 |
throws ServletException, IOException {
|
| 118 | 109 |
|
| 119 | 110 |
// Get a handle to the output stream back to the client |
| 120 | 111 |
PrintWriter out = response.getWriter(); |
| 121 | 112 |
|
| 113 |
String name = null; |
|
| 114 |
String[] value = null; |
|
| 115 |
Hashtable params = new Hashtable(); |
|
| 116 |
Enumeration paramlist = request.getParameterNames(); |
|
| 117 |
while (paramlist.hasMoreElements()) {
|
|
| 118 |
name = (String)paramlist.nextElement(); |
|
| 119 |
value = request.getParameterValues(name); |
|
| 120 |
params.put(name,value); |
|
| 121 |
} |
|
| 122 |
|
|
| 122 | 123 |
String action = ((String[])params.get("action"))[0];
|
| 123 | 124 |
|
| 124 | 125 |
if (action.equals("query")) {
|
| ... | ... | |
| 203 | 204 |
*/ |
| 204 | 205 |
private void handlePutDocumentAction(PrintWriter out, Hashtable params, |
| 205 | 206 |
HttpServletResponse response) {
|
| 207 |
|
|
| 206 | 208 |
// Get the document indicated |
| 207 |
String doctext = ((String[])params.get("doctext"))[0];
|
|
| 208 |
StringReader xml = new StringReader(doctext); |
|
| 209 |
String[] doctext = (String[])params.get("doctext");
|
|
| 210 |
StringReader xml = new StringReader(doctext[0]); |
|
| 211 |
|
|
| 212 |
// write the document to the database |
|
| 209 | 213 |
try {
|
| 210 |
DBSAXWriter dbw = new DBSAXWriter(doctext, conn);
|
|
| 214 |
DBSAXWriter dbw = new DBSAXWriter(xml, conn);
|
|
| 211 | 215 |
} catch (SQLException e1) {
|
| 212 |
out.println("Error loading document:<p>\n" + e1.getMessage());
|
|
| 216 |
out.println("Error 1 loading document:<p>\n" + e1.getMessage());
|
|
| 213 | 217 |
}catch (IOException e2) {
|
| 214 |
out.println("Error loading document:<p>\n" + e2.getMessage());
|
|
| 218 |
out.println("Error 2 loading document:<p>\n" + e2.getMessage());
|
|
| 215 | 219 |
}catch (ClassNotFoundException e3) {
|
| 216 |
out.println("Error loading document:<p>\n" + e3.getMessage());
|
|
| 220 |
out.println("Error 3 loading document:<p>\n" + e3.getMessage());
|
|
| 217 | 221 |
} |
| 218 |
//String doc = docreader.readXMLDocument((new Long(docid)).longValue()); |
|
| 219 | 222 |
|
| 220 | 223 |
// set content type and other response header fields first |
| 221 |
response.setContentType("text/html");
|
|
| 224 |
response.setContentType("text/xml");
|
|
| 222 | 225 |
|
| 223 |
out.println("Finished loading document.");
|
|
| 226 |
out.println(doctext[0]);
|
|
| 224 | 227 |
} |
| 225 | 228 |
} |
Also available in: Unified diff
further work on XML docuemnt loading facility in the MetaCatServlet