Revision 2043
Added by sgarg almost 21 years ago
src/edu/ucsb/nceas/metacat/DBQuery.java | ||
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/** |
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* '$RCSfile$' |
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* Purpose: A Class that searches a relational DB for elements and
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* Purpose: A Class that searches a relational DB for elements and |
|
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* attributes that have free text matches a query string, |
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* or structured query matches to a path specified node in the
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* XML hierarchy. It returns a result set consisting of the
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* or structured query matches to a path specified node in the |
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* XML hierarchy. It returns a result set consisting of the |
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* document ID for each document that satisfies the query |
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* Copyright: 2000 Regents of the University of California and the |
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* National Center for Ecological Analysis and Synthesis |
... | ... | |
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import java.io.BufferedWriter; |
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import javax.servlet.ServletOutputStream; |
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|
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/**
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* A Class that searches a relational DB for elements and
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/** |
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* A Class that searches a relational DB for elements and |
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* attributes that have free text matches a query string, |
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* or structured query matches to a path specified node in the
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* XML hierarchy. It returns a result set consisting of the
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* or structured query matches to a path specified node in the |
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* XML hierarchy. It returns a result set consisting of the |
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* document ID for each document that satisfies the query |
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*/ |
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public class DBQuery { |
... | ... | |
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static final int ALL = 1; |
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static final int WRITE = 2; |
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static final int READ = 4; |
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//private Connection conn = null; |
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private String parserName = null; |
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private MetaCatUtil util = new MetaCatUtil(); |
... | ... | |
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* @param xmlfile the filename of the xml file containing the query |
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*/ |
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static public void main(String[] args) { |
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if (args.length < 1) |
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{ |
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System.err.println("Wrong number of arguments!!!"); |
... | ... | |
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if ( args[i].equals( "-index" ) ) { |
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useXMLIndex = true; |
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i++; |
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}
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} |
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String xmlfile = args[i]; |
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|
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// Time the request if asked for |
... | ... | |
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String document = null; |
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String docid = null; |
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result.append("<?xml version=\"1.0\"?>\n"); |
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result.append("<resultset>\n");
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result.append("<resultset>\n"); |
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if (!showRuntime) |
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{ |
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Enumeration doclist = nodelist.keys(); |
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while (doclist.hasMoreElements()) { |
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docid = (String)doclist.nextElement(); |
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document = (String)nodelist.get(docid); |
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result.append(" <document>\n " + document +
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result.append(" <document>\n " + document + |
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"\n </document>\n"); |
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} |
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result.append("</resultset>\n"); |
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} |
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// Time the request if asked for |
... | ... | |
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File f = new File("./result.txt"); |
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FileWriter fw = new FileWriter(f); |
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BufferedWriter out = new BufferedWriter(fw); |
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out.write(result.toString());
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out.write(result.toString()); |
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out.flush(); |
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out.close(); |
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fw.close(); |
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} |
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}
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} |
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catch (Exception e) { |
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System.err.println("Error in DBQuery.main"); |
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System.err.println(e.getMessage()); |
... | ... | |
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} |
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} |
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} |
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/** |
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* construct an instance of the DBQuery class
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* construct an instance of the DBQuery class |
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* |
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* <p>Generally, one would call the findDocuments() routine after creating
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* <p>Generally, one would call the findDocuments() routine after creating |
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* an instance to specify the search query</p> |
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* |
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* @param conn the JDBC connection that we use for the query |
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* @param parserName the fully qualified name of a Java class implementing |
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* the org.xml.sax.XMLReader interface |
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*/ |
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public DBQuery(String parserName )
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throws IOException,
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SQLException,
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public DBQuery(String parserName ) |
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throws IOException, |
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SQLException, |
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ClassNotFoundException { |
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//this.conn = conn; |
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this.parserName = parserName; |
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} |
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/**
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|
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/** |
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* routine to search the elements and attributes looking to match query |
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* |
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* @param xmlquery the xml serialization of the query (@see pathquery.dtd) |
... | ... | |
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return findDocuments(xmlquery, user, groups, true); |
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} |
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/**
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/** |
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* routine to search the elements and attributes looking to match query |
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* |
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* @param xmlquery the xml serialization of the query (@see pathquery.dtd) |
... | ... | |
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try |
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{ |
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// Get the XML query and covert it into a SQL statment |
209 |
QuerySpecification qspec = new QuerySpecification(xmlquery,
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parserName,
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QuerySpecification qspec = new QuerySpecification(xmlquery, |
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parserName, |
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211 | 211 |
util.getOption("accNumSeparator")); |
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result = findDocuments(qspec, user, groups, useXMLIndex); |
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} |
214 |
catch (IOException ioe)
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catch (IOException ioe) |
|
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{ |
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MetaCatUtil.debugMessage("IO error in DBQuery.findDocuments:", 30); |
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MetaCatUtil.debugMessage(ioe.getMessage(), 30); |
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} |
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return result; |
220 | 220 |
} |
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/**
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|
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222 |
/** |
|
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* routine to search the elements and attributes looking to match query |
224 | 224 |
* |
225 | 225 |
* @param qspec java object of the query |
... | ... | |
227 | 227 |
* @param group the group of the user |
228 | 228 |
* @param useXMLIndex flag whether to search using the path index |
229 | 229 |
*/ |
230 |
public Hashtable findDocuments(QuerySpecification qspec, String user,
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230 |
public Hashtable findDocuments(QuerySpecification qspec, String user, |
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231 | 231 |
String[] groups, boolean useXMLIndex) |
232 | 232 |
{ |
233 | 233 |
Hashtable docListResult = new Hashtable(); |
... | ... | |
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StringBuffer document = null; |
247 | 247 |
DBConnection dbconn = null; |
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int serialNumber = -1; |
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try { |
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dbconn=DBConnectionPool.getDBConnection("DBQuery.findDocuments"); |
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serialNumber=dbconn.getCheckOutSerialNumber(); |
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255 |
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String query = qspec.printSQL(useXMLIndex); |
257 | 257 |
String ownerQuery = getOwnerQuery(user); |
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MetaCatUtil.debugMessage("query: "+query, 30); |
... | ... | |
269 | 269 |
query = query + accessQuery; |
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MetaCatUtil.debugMessage(" final query: "+query, 30); |
271 | 271 |
} |
272 |
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273 | 273 |
double startTime = System.currentTimeMillis()/1000; |
274 | 274 |
pstmt = dbconn.prepareStatement(query); |
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// Execute the SQL query using the JDBC connection |
277 | 277 |
pstmt.execute(); |
278 | 278 |
ResultSet rs = pstmt.getResultSet(); |
279 |
double queryExecuteTime =System.currentTimeMillis()/1000;
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MetaCatUtil.debugMessage("Time for execute query: "+
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double queryExecuteTime =System.currentTimeMillis()/1000; |
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280 |
MetaCatUtil.debugMessage("Time for execute query: "+ |
|
281 | 281 |
(queryExecuteTime -startTime), 30); |
282 | 282 |
boolean tableHasRows = rs.next(); |
283 |
while (tableHasRows)
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283 |
while (tableHasRows) |
|
284 | 284 |
{ |
285 | 285 |
docid = rs.getString(1).trim(); |
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//long checkTimeStart = System.currentTimeMillis(); |
... | ... | |
293 | 293 |
//tableHasRows = rs.next(); |
294 | 294 |
//continue; |
295 | 295 |
//} |
296 |
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docname = rs.getString(2); |
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doctype = rs.getString(3); |
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createDate = rs.getString(4); |
... | ... | |
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// if there are returndocs to match, backtracking can be performed |
304 | 304 |
// otherwise, just return the document that was hit |
305 | 305 |
Vector returndocVec = qspec.getReturnDocList(); |
306 |
if (returndocVec.size() != 0 && !returndocVec.contains(doctype)
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306 |
if (returndocVec.size() != 0 && !returndocVec.contains(doctype) |
|
307 | 307 |
&& !qspec.isPercentageSearch()) |
308 |
{
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308 |
{ |
|
309 | 309 |
MetaCatUtil.debugMessage("Back tracing now...", 20); |
310 | 310 |
String sep = util.getOption("accNumSeparator"); |
311 | 311 |
StringBuffer btBuf = new StringBuffer(); |
... | ... | |
319 | 319 |
if (i != (returndocVec.size() - 1)) |
320 | 320 |
{ |
321 | 321 |
btBuf.append(", "); |
322 |
}
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322 |
} |
|
323 | 323 |
} |
324 | 324 |
btBuf.append(") "); |
325 | 325 |
|
... | ... | |
327 | 327 |
btBuf.append(docid).append("'"); |
328 | 328 |
btBuf.append("or object like '"); |
329 | 329 |
btBuf.append(docid).append("')"); |
330 |
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331 | 331 |
PreparedStatement npstmt = dbconn. |
332 | 332 |
prepareStatement(btBuf.toString()); |
333 | 333 |
//should incease usage count |
... | ... | |
353 | 353 |
} |
354 | 354 |
catch(Exception e) |
355 | 355 |
{ |
356 |
System.out.println("Error getting document in " +
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356 |
System.out.println("Error getting document in " + |
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357 | 357 |
"DBQuery.findDocuments: " + e.getMessage()); |
358 | 358 |
} |
359 |
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359 |
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String docid_org = xmldoc.getDocID(); |
361 | 361 |
if (docid_org == null) { |
362 | 362 |
util.debugMessage("Docid_org was null.", 40); |
... | ... | |
388 | 388 |
} |
389 | 389 |
// Store the document id and the root node id |
390 | 390 |
docListResult.put(docid,(String)document.toString()); |
391 |
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391 |
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392 | 392 |
// Get the next package document linked to our hit |
393 | 393 |
hasBtRows = btrs.next(); |
394 | 394 |
} |
395 | 395 |
npstmt.close(); |
396 | 396 |
btrs.close(); |
397 |
}
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398 |
else if (returndocVec.size() != 0 && returndocVec.contains(doctype))
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397 |
} |
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398 |
else if (returndocVec.size() != 0 && returndocVec.contains(doctype)) |
|
399 | 399 |
{ |
400 |
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400 |
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401 | 401 |
document = new StringBuffer(); |
402 | 402 |
|
403 | 403 |
String completeDocid = docid + util.getOption("accNumSeparator"); |
... | ... | |
417 | 417 |
} |
418 | 418 |
// Store the document id and the root node id |
419 | 419 |
docListResult.put(docid,(String)document.toString()); |
420 |
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420 |
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421 | 421 |
} |
422 | 422 |
|
423 | 423 |
// Advance to the next record in the cursor |
... | ... | |
428 | 428 |
double docListTime =System.currentTimeMillis()/1000; |
429 | 429 |
MetaCatUtil.debugMessage("prepare docid list time: " |
430 | 430 |
+(docListTime-queryExecuteTime), 30); |
431 |
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431 |
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432 | 432 |
if (qspec.containsExtendedSQL()) |
433 | 433 |
{ |
434 | 434 |
Vector extendedFields = new Vector(qspec.getReturnFieldList()); |
435 | 435 |
Vector results = new Vector(); |
436 | 436 |
Enumeration keylist = docListResult.keys(); |
437 | 437 |
StringBuffer doclist = new StringBuffer(); |
438 |
Hashtable parentidList = new Hashtable();
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438 |
Vector parentidList = new Vector();
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439 | 439 |
Hashtable returnFieldValue = new Hashtable(); |
440 | 440 |
while(keylist.hasMoreElements()) |
441 | 441 |
{ |
... | ... | |
443 | 443 |
doclist.append((String)keylist.nextElement()); |
444 | 444 |
doclist.append("',"); |
445 | 445 |
} |
446 |
if (doclist.length() > 0)
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446 |
if (doclist.length() > 0) |
|
447 | 447 |
{ |
448 | 448 |
Hashtable controlPairs = new Hashtable(); |
449 | 449 |
double extendedQueryStart = System.currentTimeMillis()/1000; |
... | ... | |
464 | 464 |
controlPairs.put(new Long(startNodeId), new Long(endNodeId)); |
465 | 465 |
tableHasRows = rs.next(); |
466 | 466 |
} |
467 |
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467 |
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468 | 468 |
double extendedAccessQueryEnd = System.currentTimeMillis()/1000; |
469 | 469 |
MetaCatUtil.debugMessage("Time for execute access extended query: " |
470 | 470 |
+(extendedAccessQueryEnd-extendedQueryStart), 30); |
471 |
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472 |
String extendedQuery = qspec.printExtendedSQL(doclist.toString(),
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471 |
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472 |
String extendedQuery = qspec.printExtendedSQL(doclist.toString(), |
|
473 | 473 |
controlPairs); |
474 | 474 |
MetaCatUtil.debugMessage("Extended query: "+ extendedQuery, 30); |
475 | 475 |
pstmt = dbconn.prepareStatement(extendedQuery); |
... | ... | |
481 | 481 |
MetaCatUtil.debugMessage("Time for execute extended query: " |
482 | 482 |
+(extendedQueryEnd-extendedQueryStart), 30); |
483 | 483 |
tableHasRows = rs.next(); |
484 |
while(tableHasRows)
|
|
484 |
while(tableHasRows) |
|
485 | 485 |
{ |
486 | 486 |
ReturnFieldValue returnValue = new ReturnFieldValue(); |
487 | 487 |
docid = rs.getString(1).trim(); |
488 | 488 |
fieldname = rs.getString(2); |
489 | 489 |
fielddata = rs.getString(3); |
490 | 490 |
fielddata = MetaCatUtil.normalize(fielddata); |
491 |
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491 |
|
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492 | 492 |
String parentId = rs.getString(4); |
493 |
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493 |
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494 | 494 |
StringBuffer value = new StringBuffer(); |
495 |
if (!parentidList.containsKey(parentId))
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495 |
if (!containsKey(parentidList,parentId))
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496 | 496 |
{ |
497 |
// don't need to merger nodedata
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497 |
// don't need to merger nodedata |
|
498 | 498 |
value.append("<param name=\""); |
499 | 499 |
value.append(fieldname); |
500 | 500 |
value.append("\">"); |
... | ... | |
505 | 505 |
returnValue.setFieldValue(fielddata); |
506 | 506 |
returnValue.setXMLFieldValue(value.toString()); |
507 | 507 |
// Store it in hastable |
508 |
parentidList.put(parentId, returnValue);
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|
508 |
putInArray(parentidList, parentId, returnValue);
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509 | 509 |
} |
510 | 510 |
else |
511 | 511 |
{ |
512 | 512 |
// need to merge nodedata if they have same parent id ant |
513 | 513 |
// node type is text |
514 | 514 |
fielddata = (String)((ReturnFieldValue) |
515 |
parentidList.get(parentId)).getFieldValue() + fielddata;
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515 |
getArrayValue(parentidList,parentId)).getFieldValue() + fielddata;
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516 | 516 |
value.append("<param name=\""); |
517 | 517 |
value.append(fieldname); |
518 | 518 |
value.append("\">"); |
... | ... | |
524 | 524 |
// remove the old return value from paretnidList |
525 | 525 |
parentidList.remove(parentId); |
526 | 526 |
// store the new return value in parentidlit |
527 |
parentidList.put(parentId, returnValue);
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|
527 |
putInArray(parentidList,parentId, returnValue);
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|
528 | 528 |
} |
529 | 529 |
tableHasRows = rs.next(); |
530 | 530 |
}//while |
531 | 531 |
rs.close(); |
532 | 532 |
pstmt.close(); |
533 |
|
|
533 |
|
|
534 | 534 |
// put the merger node data info into doclistReult |
535 |
Enumeration xmlFieldValue = parentidList.elements();
|
|
535 |
Enumeration xmlFieldValue = (getElements(parentidList)).elements();
|
|
536 | 536 |
while( xmlFieldValue.hasMoreElements() ) |
537 | 537 |
{ |
538 | 538 |
ReturnFieldValue object = (ReturnFieldValue) |
... | ... | |
546 | 546 |
} |
547 | 547 |
else |
548 | 548 |
{ |
549 |
docListResult.put(docid, object.getXMLFieldValue());
|
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549 |
docListResult.put(docid, object.getXMLFieldValue()); |
|
550 | 550 |
} |
551 | 551 |
}//while |
552 | 552 |
double docListResultEnd = System.currentTimeMillis()/1000; |
553 | 553 |
MetaCatUtil.debugMessage("Time for prepare doclistresult after"+ |
554 | 554 |
" execute extended query: " |
555 | 555 |
+(docListResultEnd-extendedQueryEnd), 30); |
556 |
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557 |
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556 |
|
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557 |
|
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558 | 558 |
// get attribures return |
559 | 559 |
docListResult = getAttributeValueForReturn |
560 | 560 |
(qspec,docListResult, doclist.toString()); |
561 | 561 |
}//if doclist lenght is great than zero |
562 |
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562 |
|
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563 | 563 |
}//if has extended query |
564 |
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565 |
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564 |
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565 |
|
|
566 | 566 |
//this loop adds the relation data to the resultdoc |
567 | 567 |
//this code might be able to be added to the backtracking code above |
568 | 568 |
double startRelation = System.currentTimeMillis()/1000; |
... | ... | |
583 | 583 |
String obj = rs.getString(3); |
584 | 584 |
String subDT = rs.getString(4); |
585 | 585 |
String objDT = rs.getString(5); |
586 |
|
|
586 |
|
|
587 | 587 |
document = new StringBuffer(); |
588 | 588 |
document.append("<triple>"); |
589 | 589 |
document.append("<subject>").append(MetaCatUtil.normalize(sub)); |
... | ... | |
602 | 602 |
document.append("</objectdoctype>"); |
603 | 603 |
} |
604 | 604 |
document.append("</triple>"); |
605 |
|
|
605 |
|
|
606 | 606 |
String removedelement = (String)docListResult.remove(docidkey); |
607 |
docListResult.put(docidkey, removedelement +
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|
607 |
docListResult.put(docidkey, removedelement + |
|
608 | 608 |
document.toString()); |
609 | 609 |
tableHasRows = rs.next(); |
610 | 610 |
} |
... | ... | |
614 | 614 |
double endRelation = System.currentTimeMillis()/1000; |
615 | 615 |
MetaCatUtil.debugMessage("Time for adding relation to docListResult: "+ |
616 | 616 |
(endRelation-startRelation), 30); |
617 |
|
|
617 |
|
|
618 | 618 |
} catch (SQLException e) { |
619 |
System.err.println("SQL Error in DBQuery.findDocuments: " +
|
|
619 |
System.err.println("SQL Error in DBQuery.findDocuments: " + |
|
620 | 620 |
e.getMessage()); |
621 | 621 |
} catch (Exception ee) { |
622 |
System.err.println("Exception in DBQuery.findDocuments: " +
|
|
622 |
System.err.println("Exception in DBQuery.findDocuments: " + |
|
623 | 623 |
ee.getMessage()); |
624 | 624 |
ee.printStackTrace(System.err); |
625 | 625 |
} |
626 |
finally
|
|
626 |
finally |
|
627 | 627 |
{ |
628 | 628 |
try |
629 | 629 |
{ |
... | ... | |
643 | 643 |
//System.out.println(docListResult.toString()); |
644 | 644 |
return docListResult; |
645 | 645 |
} |
646 |
|
|
646 | 647 |
/* |
648 |
* A method to search if Vector contains a particular key string |
|
649 |
*/ |
|
650 |
private boolean containsKey(Vector parentidList,String parentId){ |
|
651 |
|
|
652 |
Vector tempVector = null; |
|
653 |
|
|
654 |
for(int count = 0; count < parentidList.size(); count++){ |
|
655 |
tempVector = (Vector)parentidList.get(count); |
|
656 |
if(parentId.compareTo((String)tempVector.get(0)) == 0){ |
|
657 |
return false; |
|
658 |
} |
|
659 |
} |
|
660 |
return false; |
|
661 |
} |
|
662 |
|
|
663 |
/* |
|
664 |
* A method to put key and value in Vector |
|
665 |
*/ |
|
666 |
private void putInArray(Vector parentidList, String key, |
|
667 |
ReturnFieldValue value){ |
|
668 |
|
|
669 |
Vector tempVector = null; |
|
670 |
|
|
671 |
for(int count = 0; count < parentidList.size(); count++){ |
|
672 |
tempVector = (Vector)parentidList.get(count); |
|
673 |
|
|
674 |
if(key.compareTo((String)tempVector.get(0)) == 0){ |
|
675 |
tempVector.remove(1); |
|
676 |
tempVector.add(1, value); |
|
677 |
return; |
|
678 |
} |
|
679 |
} |
|
680 |
|
|
681 |
tempVector = new Vector(); |
|
682 |
tempVector.add(0, key); |
|
683 |
tempVector.add(1, value); |
|
684 |
parentidList.add(tempVector); |
|
685 |
return; |
|
686 |
} |
|
687 |
|
|
688 |
/* |
|
689 |
* A method to get value in Vector given a key |
|
690 |
*/ |
|
691 |
private ReturnFieldValue getArrayValue(Vector parentidList, |
|
692 |
String key){ |
|
693 |
|
|
694 |
Vector tempVector = null; |
|
695 |
|
|
696 |
for(int count = 0; count < parentidList.size(); count++){ |
|
697 |
tempVector = (Vector)parentidList.get(count); |
|
698 |
|
|
699 |
if(key.compareTo((String)tempVector.get(0)) == 0){ |
|
700 |
return (ReturnFieldValue)tempVector.get(1); |
|
701 |
} |
|
702 |
} |
|
703 |
return null; |
|
704 |
} |
|
705 |
|
|
706 |
/* |
|
707 |
* A method to get enumeration of all values in Vector |
|
708 |
*/ |
|
709 |
private Vector getElements(Vector parentidList){ |
|
710 |
Vector enum = new Vector(); |
|
711 |
Vector tempVector = null; |
|
712 |
|
|
713 |
for(int count = 0; count < parentidList.size(); count++){ |
|
714 |
tempVector = (Vector)parentidList.get(count); |
|
715 |
|
|
716 |
enum.add(tempVector.get(1)); |
|
717 |
} |
|
718 |
return enum; |
|
719 |
} |
|
720 |
|
|
721 |
/* |
|
647 | 722 |
* A method to return search result after running a query which return |
648 | 723 |
* field have attribue |
649 | 724 |
*/ |
... | ... | |
658 | 733 |
ResultSet rs = null; |
659 | 734 |
int serialNumber = -1; |
660 | 735 |
boolean tableHasRows =false; |
661 |
|
|
736 |
|
|
662 | 737 |
//check the parameter |
663 | 738 |
if (squery == null || docList==null || docList.length() <0) |
664 | 739 |
{ |
665 | 740 |
return docInformationList; |
666 | 741 |
} |
667 |
|
|
742 |
|
|
668 | 743 |
// if has attribute as return field |
669 | 744 |
if (squery.containAttributeReturnField()) |
670 | 745 |
{ |
671 | 746 |
sql = squery.printAttributeQuery(docList); |
672 |
try
|
|
747 |
try |
|
673 | 748 |
{ |
674 | 749 |
dbconn=DBConnectionPool.getDBConnection("DBQuery.getAttributeValue"); |
675 | 750 |
serialNumber=dbconn.getCheckOutSerialNumber(); |
... | ... | |
677 | 752 |
pstmt.execute(); |
678 | 753 |
rs = pstmt.getResultSet(); |
679 | 754 |
tableHasRows = rs.next(); |
680 |
while(tableHasRows)
|
|
755 |
while(tableHasRows) |
|
681 | 756 |
{ |
682 | 757 |
String docid = rs.getString(1).trim(); |
683 | 758 |
String fieldname = rs.getString(2); |
684 | 759 |
String fielddata = rs.getString(3); |
685 | 760 |
String attirbuteName = rs.getString(4); |
686 | 761 |
XML = new StringBuffer(); |
687 |
|
|
762 |
|
|
688 | 763 |
XML.append("<param name=\""); |
689 | 764 |
XML.append(fieldname); |
690 | 765 |
XML.append(QuerySpecification.ATTRIBUTESYMBOL); |
... | ... | |
693 | 768 |
XML.append(fielddata); |
694 | 769 |
XML.append("</param>"); |
695 | 770 |
tableHasRows = rs.next(); |
696 |
|
|
771 |
|
|
697 | 772 |
if (docInformationList.containsKey(docid)) |
698 | 773 |
{ |
699 | 774 |
String removedelement = (String)docInformationList.remove(docid); |
... | ... | |
701 | 776 |
} |
702 | 777 |
else |
703 | 778 |
{ |
704 |
docInformationList.put(docid, XML.toString());
|
|
779 |
docInformationList.put(docid, XML.toString()); |
|
705 | 780 |
} |
706 | 781 |
}//while |
707 | 782 |
rs.close(); |
... | ... | |
730 | 805 |
}//finally |
731 | 806 |
}//if |
732 | 807 |
return docInformationList; |
733 |
|
|
808 |
|
|
734 | 809 |
} |
735 |
|
|
736 |
|
|
810 |
|
|
811 |
|
|
737 | 812 |
/* |
738 | 813 |
* A method to create a query to get owner's docid list |
739 | 814 |
*/ |
... | ... | |
755 | 830 |
return self.toString(); |
756 | 831 |
} |
757 | 832 |
/** |
758 |
* returns a string array of the contents of a particular node.
|
|
759 |
* If the node appears more than once, the contents are returned
|
|
833 |
* returns a string array of the contents of a particular node. |
|
834 |
* If the node appears more than once, the contents are returned |
|
760 | 835 |
* in the order in which they appearred in the document. |
761 | 836 |
* @param nodename the name or path of the particular node. |
762 | 837 |
* @param docid the docid of the document you want the node from. |
... | ... | |
782 | 857 |
pstmt.execute(); |
783 | 858 |
ResultSet rs = pstmt.getResultSet(); |
784 | 859 |
boolean tableHasRows = rs.next(); |
785 |
while (tableHasRows)
|
|
860 |
while (tableHasRows) |
|
786 | 861 |
{ |
787 | 862 |
result.add(rs.getString(1)); |
788 | 863 |
//System.out.println(rs.getString(1)); |
789 | 864 |
tableHasRows = rs.next(); |
790 | 865 |
} |
791 |
}
|
|
792 |
catch (SQLException e)
|
|
866 |
} |
|
867 |
catch (SQLException e) |
|
793 | 868 |
{ |
794 | 869 |
System.err.println("Error in DBQuery.getNodeContent: " + e.getMessage()); |
795 | 870 |
} finally { |
... | ... | |
797 | 872 |
{ |
798 | 873 |
pstmt.close(); |
799 | 874 |
} |
800 |
catch(SQLException sqle)
|
|
875 |
catch(SQLException sqle) |
|
801 | 876 |
{} |
802 | 877 |
finally |
803 | 878 |
{ |
804 | 879 |
DBConnectionPool.returnDBConnection(dbconn, serialNumber); |
805 | 880 |
} |
806 |
|
|
881 |
|
|
807 | 882 |
} |
808 | 883 |
return result.toArray(); |
809 | 884 |
} |
810 |
|
|
885 |
|
|
811 | 886 |
/** |
812 | 887 |
* format a structured query as an XML document that conforms |
813 | 888 |
* to the pathquery.dtd and is appropriate for submission to the DBQuery |
... | ... | |
816 | 891 |
* @param params The list of parameters that should be included in the query |
817 | 892 |
*/ |
818 | 893 |
public static String createSQuery(Hashtable params) |
819 |
{
|
|
894 |
{ |
|
820 | 895 |
StringBuffer query = new StringBuffer(); |
821 | 896 |
Enumeration elements; |
822 | 897 |
Enumeration keys; |
... | ... | |
835 | 910 |
query.append( ((String[])params.get("meta_file_id"))[0]); |
836 | 911 |
query.append("</meta_file_id>"); |
837 | 912 |
} |
838 |
|
|
913 |
|
|
839 | 914 |
if (params.containsKey("returndoctype")) |
840 | 915 |
{ |
841 | 916 |
String[] returnDoctypes = ((String[])params.get("returndoctype")); |
... | ... | |
843 | 918 |
{ |
844 | 919 |
String doctype = (String)returnDoctypes[i]; |
845 | 920 |
|
846 |
if (!doctype.equals("any") &&
|
|
921 |
if (!doctype.equals("any") && |
|
847 | 922 |
!doctype.equals("ANY") && |
848 |
!doctype.equals("") )
|
|
923 |
!doctype.equals("") ) |
|
849 | 924 |
{ |
850 | 925 |
query.append("<returndoctype>").append(doctype); |
851 | 926 |
query.append("</returndoctype>"); |
852 | 927 |
} |
853 | 928 |
} |
854 | 929 |
} |
855 |
|
|
930 |
|
|
856 | 931 |
if (params.containsKey("filterdoctype")) |
857 | 932 |
{ |
858 | 933 |
String[] filterDoctypes = ((String[])params.get("filterdoctype")); |
... | ... | |
862 | 937 |
query.append("</filterdoctype>"); |
863 | 938 |
} |
864 | 939 |
} |
865 |
|
|
940 |
|
|
866 | 941 |
if (params.containsKey("returnfield")) |
867 | 942 |
{ |
868 | 943 |
String[] returnfield = ((String[])params.get("returnfield")); |
... | ... | |
872 | 947 |
query.append("</returnfield>"); |
873 | 948 |
} |
874 | 949 |
} |
875 |
|
|
950 |
|
|
876 | 951 |
if (params.containsKey("owner")) |
877 | 952 |
{ |
878 | 953 |
String[] owner = ((String[])params.get("owner")); |
... | ... | |
882 | 957 |
query.append("</owner>"); |
883 | 958 |
} |
884 | 959 |
} |
885 |
|
|
960 |
|
|
886 | 961 |
if (params.containsKey("site")) |
887 | 962 |
{ |
888 | 963 |
String[] site = ((String[])params.get("site")); |
... | ... | |
892 | 967 |
query.append("</site>"); |
893 | 968 |
} |
894 | 969 |
} |
895 |
|
|
970 |
|
|
896 | 971 |
//allows the dynamic switching of boolean operators |
897 | 972 |
if (params.containsKey("operator")) |
898 | 973 |
{ |
899 |
query.append("<querygroup operator=\"" +
|
|
974 |
query.append("<querygroup operator=\"" + |
|
900 | 975 |
((String[])params.get("operator"))[0] + "\">"); |
901 | 976 |
} |
902 | 977 |
else |
903 | 978 |
{ //the default operator is UNION |
904 |
query.append("<querygroup operator=\"UNION\">");
|
|
979 |
query.append("<querygroup operator=\"UNION\">"); |
|
905 | 980 |
} |
906 |
|
|
981 |
|
|
907 | 982 |
if (params.containsKey("casesensitive")) |
908 | 983 |
{ |
909 |
casesensitive = ((String[])params.get("casesensitive"))[0];
|
|
984 |
casesensitive = ((String[])params.get("casesensitive"))[0]; |
|
910 | 985 |
} |
911 | 986 |
else |
912 | 987 |
{ |
913 |
casesensitive = "false";
|
|
988 |
casesensitive = "false"; |
|
914 | 989 |
} |
915 |
|
|
990 |
|
|
916 | 991 |
if (params.containsKey("searchmode")) |
917 | 992 |
{ |
918 |
searchmode = ((String[])params.get("searchmode"))[0];
|
|
993 |
searchmode = ((String[])params.get("searchmode"))[0]; |
|
919 | 994 |
} |
920 | 995 |
else |
921 | 996 |
{ |
922 |
searchmode = "contains";
|
|
997 |
searchmode = "contains"; |
|
923 | 998 |
} |
924 |
|
|
925 |
//anyfield is a special case because it does a
|
|
999 |
|
|
1000 |
//anyfield is a special case because it does a |
|
926 | 1001 |
//free text search. It does not have a <pathexpr> |
927 | 1002 |
//tag. This allows for a free text search within the structured |
928 | 1003 |
//query. This is useful if the INTERSECT operator is used. |
... | ... | |
934 | 1009 |
{ |
935 | 1010 |
if (!anyfield[i].equals("")) |
936 | 1011 |
{ |
937 |
query.append("<queryterm casesensitive=\"" + casesensitive +
|
|
1012 |
query.append("<queryterm casesensitive=\"" + casesensitive + |
|
938 | 1013 |
"\" " + "searchmode=\"" + searchmode + "\"><value>" + |
939 | 1014 |
anyfield[i] + |
940 |
"</value></queryterm>");
|
|
1015 |
"</value></queryterm>"); |
|
941 | 1016 |
} |
942 | 1017 |
} |
943 | 1018 |
} |
944 |
|
|
1019 |
|
|
945 | 1020 |
//this while loop finds the rest of the parameters |
946 | 1021 |
//and attempts to query for the field specified |
947 | 1022 |
//by the parameter. |
... | ... | |
977 | 1052 |
//allow for more than value per field name |
978 | 1053 |
for(int i=0; i<((String[])nextelement).length; i++) { |
979 | 1054 |
if (!((String[])nextelement)[i].equals("")) { |
980 |
query.append("<queryterm casesensitive=\"" + casesensitive +"\" " +
|
|
1055 |
query.append("<queryterm casesensitive=\"" + casesensitive +"\" " + |
|
981 | 1056 |
"searchmode=\"" + searchmode + "\">" + |
982 | 1057 |
"<value>" + |
983 | 1058 |
//add the query value |
984 | 1059 |
((String[])nextelement)[i] + |
985 | 1060 |
"</value><pathexpr>" + |
986 |
//add the path to query by
|
|
987 |
nextkey.toString() +
|
|
1061 |
//add the path to query by |
|
1062 |
nextkey.toString() + |
|
988 | 1063 |
"</pathexpr></queryterm>"); |
989 | 1064 |
} |
990 | 1065 |
} |
... | ... | |
994 | 1069 |
//append on the end of the xml and return the result as a string |
995 | 1070 |
return query.toString(); |
996 | 1071 |
} |
997 |
|
|
1072 |
|
|
998 | 1073 |
/** |
999 | 1074 |
* format a simple free-text value query as an XML document that conforms |
1000 | 1075 |
* to the pathquery.dtd and is appropriate for submission to the DBQuery |
... | ... | |
1016 | 1091 |
|
1017 | 1092 |
xmlquery.append("<querygroup operator=\"UNION\">"); |
1018 | 1093 |
//chad added - 8/14 |
1019 |
//the if statement allows a query to gracefully handle a null
|
|
1094 |
//the if statement allows a query to gracefully handle a null |
|
1020 | 1095 |
//query. Without this if a nullpointerException is thrown. |
1021 | 1096 |
if (!value.equals("")) |
1022 | 1097 |
{ |
... | ... | |
1028 | 1103 |
xmlquery.append("</querygroup>"); |
1029 | 1104 |
xmlquery.append("</pathquery>"); |
1030 | 1105 |
|
1031 |
|
|
1106 |
|
|
1032 | 1107 |
return (xmlquery.toString()); |
1033 | 1108 |
} |
1034 | 1109 |
|
... | ... | |
1042 | 1117 |
public static String createQuery(String value) { |
1043 | 1118 |
return createQuery(value, "any"); |
1044 | 1119 |
} |
1045 |
|
|
1046 |
/**
|
|
1047 |
* Check for "READ" permission on @docid for @user and/or @group
|
|
1048 |
* from DB connection
|
|
1120 |
|
|
1121 |
/** |
|
1122 |
* Check for "READ" permission on @docid for @user and/or @group |
|
1123 |
* from DB connection |
|
1049 | 1124 |
*/ |
1050 | 1125 |
private boolean hasPermission (String user, |
1051 |
String[] groups, String docid )
|
|
1126 |
String[] groups, String docid ) |
|
1052 | 1127 |
throws SQLException, Exception |
1053 | 1128 |
{ |
1054 | 1129 |
// Check for READ permission on @docid for @user and/or @groups |
... | ... | |
1070 | 1145 |
ResultSet rs=null; |
1071 | 1146 |
String docIdInSubjectField=null; |
1072 | 1147 |
String docIdInObjectField=null; |
1073 |
|
|
1148 |
|
|
1074 | 1149 |
// Check the parameter |
1075 | 1150 |
if (dataPackageDocid == null || dataPackageDocid.equals("")) |
1076 | 1151 |
{ |
1077 | 1152 |
return docIdList; |
1078 | 1153 |
}//if |
1079 |
|
|
1154 |
|
|
1080 | 1155 |
//the query stirng |
1081 | 1156 |
String query="SELECT subject, object from xml_relation where docId = ?"; |
1082 | 1157 |
try |
... | ... | |
1131 | 1206 |
{ |
1132 | 1207 |
MetaCatUtil.debugMessage("Error in getDocidListForDataPackage: " |
1133 | 1208 |
+ee.getMessage(), 30); |
1134 |
}//catch
|
|
1209 |
}//catch |
|
1135 | 1210 |
finally |
1136 | 1211 |
{ |
1137 | 1212 |
DBConnectionPool.returnDBConnection(dbConn, serialNumber); |
... | ... | |
1139 | 1214 |
}//finally |
1140 | 1215 |
return docIdList; |
1141 | 1216 |
}//getCurrentDocidListForDataPackadge() |
1142 |
|
|
1217 |
|
|
1143 | 1218 |
/** |
1144 | 1219 |
* Get all docIds list for a data packadge |
1145 | 1220 |
* @param dataPackageDocid, the string in docId field of xml_relation table |
1146 | 1221 |
*/ |
1147 | 1222 |
private Vector getOldVersionDocidListForDataPackage(String dataPackageDocid) |
1148 | 1223 |
{ |
1149 |
|
|
1224 |
|
|
1150 | 1225 |
Vector docIdList=new Vector();//return value |
1151 | 1226 |
Vector tripleList=null; |
1152 | 1227 |
String xml=null; |
1153 |
|
|
1228 |
|
|
1154 | 1229 |
// Check the parameter |
1155 | 1230 |
if (dataPackageDocid == null || dataPackageDocid.equals("")) |
1156 | 1231 |
{ |
1157 | 1232 |
return docIdList; |
1158 | 1233 |
}//if |
1159 |
|
|
1234 |
|
|
1160 | 1235 |
try |
1161 | 1236 |
{ |
1162 |
//initial a documentImpl object
|
|
1163 |
DocumentImpl packageDocument =
|
|
1237 |
//initial a documentImpl object |
|
1238 |
DocumentImpl packageDocument = |
|
1164 | 1239 |
new DocumentImpl(dataPackageDocid); |
1165 | 1240 |
//transfer to documentImpl object to string |
1166 | 1241 |
xml=packageDocument.toString(); |
1167 |
|
|
1242 |
|
|
1168 | 1243 |
//create a tripcollection object |
1169 |
TripleCollection tripleForPackage = new
|
|
1244 |
TripleCollection tripleForPackage = new |
|
1170 | 1245 |
TripleCollection(new StringReader(xml)); |
1171 |
//get the vetor of triples
|
|
1246 |
//get the vetor of triples |
|
1172 | 1247 |
tripleList=tripleForPackage.getCollection(); |
1173 |
|
|
1248 |
|
|
1174 | 1249 |
for (int i= 0; i<tripleList.size(); i++) |
1175 | 1250 |
{ |
1176 | 1251 |
//put subject docid into docIdlist without duplicate |
... | ... | |
1191 | 1266 |
MetaCatUtil.debugMessage("Error in getOldVersionAllDocumentImpl: " |
1192 | 1267 |
+e.getMessage(), 30); |
1193 | 1268 |
}//catch |
1194 |
|
|
1269 |
|
|
1195 | 1270 |
// return result |
1196 | 1271 |
return docIdList; |
1197 |
}//getDocidListForPackageInXMLRevisions()
|
|
1198 |
|
|
1272 |
}//getDocidListForPackageInXMLRevisions() |
|
1273 |
|
|
1199 | 1274 |
/** |
1200 |
* Check if the docId is a data packadge id. If the id is a data packadage
|
|
1275 |
* Check if the docId is a data packadge id. If the id is a data packadage |
|
1201 | 1276 |
*id, it should be store in the docId fields in xml_relation table. |
1202 |
*So we can use a query to get the entries which the docId equals the given
|
|
1277 |
*So we can use a query to get the entries which the docId equals the given |
|
1203 | 1278 |
*value. If the result is null. The docId is not a packadge id. Otherwise, |
1204 | 1279 |
* it is. |
1205 | 1280 |
* @param docId, the id need to be checked |
... | ... | |
1253 | 1328 |
}//finally |
1254 | 1329 |
return result; |
1255 | 1330 |
}//isDataPackageId() |
1256 |
|
|
1331 |
|
|
1257 | 1332 |
/** |
1258 | 1333 |
* Check if the user has the permission to export data package |
1259 | 1334 |
* @param conn, the connection |
1260 | 1335 |
* @param docId, the id need to be checked |
1261 | 1336 |
* @param user, the name of user |
1262 | 1337 |
* @param groups, the user's group |
1263 |
*/
|
|
1264 |
private boolean hasPermissionToExportPackage(String docId,
|
|
1338 |
*/ |
|
1339 |
private boolean hasPermissionToExportPackage(String docId, |
|
1265 | 1340 |
String user, String[] groups) |
1266 | 1341 |
throws Exception |
1267 | 1342 |
{ |
1268 | 1343 |
//DocumentImpl doc=new DocumentImpl(conn,docId); |
1269 | 1344 |
return DocumentImpl.hasReadPermission(user, groups,docId); |
1270 | 1345 |
} |
1271 |
|
|
1346 |
|
|
1272 | 1347 |
/** |
1273 | 1348 |
*Get the current Rev for a docid in xml_documents table |
1274 | 1349 |
* @param docId, the id need to get version numb |
... | ... | |
1303 | 1378 |
{ |
1304 | 1379 |
rev=-5; |
1305 | 1380 |
} |
1306 |
|
|
1381 |
|
|
1307 | 1382 |
}//try |
1308 | 1383 |
catch (SQLException e) |
1309 | 1384 |
{ |
... | ... | |
1329 | 1404 |
}//finally |
1330 | 1405 |
return rev; |
1331 | 1406 |
}//getCurrentRevFromXMLDoumentsTable |
1332 |
|
|
1407 |
|
|
1333 | 1408 |
/** |
1334 | 1409 |
*put a doc into a zip output stream |
1335 | 1410 |
*@param docImpl, docmentImpl object which will be sent to zip output stream |
1336 | 1411 |
*@param zipOut, zip output stream which the docImpl will be put |
1337 | 1412 |
*@param packageZipEntry, the zip entry name for whole package |
1338 | 1413 |
*/ |
1339 |
private void addDocToZipOutputStream(DocumentImpl docImpl,
|
|
1414 |
private void addDocToZipOutputStream(DocumentImpl docImpl, |
|
1340 | 1415 |
ZipOutputStream zipOut, String packageZipEntry) |
1341 |
throws ClassNotFoundException, IOException, SQLException,
|
|
1416 |
throws ClassNotFoundException, IOException, SQLException, |
|
1342 | 1417 |
McdbException, Exception |
1343 | 1418 |
{ |
1344 | 1419 |
byte[] byteString = null; |
... | ... | |
1351 | 1426 |
zipOut.putNextEntry(zEntry); |
1352 | 1427 |
zipOut.write(byteString, 0, byteString.length); |
1353 | 1428 |
zipOut.closeEntry(); |
1354 |
|
|
1429 |
|
|
1355 | 1430 |
}//addDocToZipOutputStream() |
1356 | 1431 |
|
1357 |
|
|
1432 |
|
|
1358 | 1433 |
/** |
1359 |
* Transfer a docid vetor to a documentImpl vector. The documentImpl vetor
|
|
1434 |
* Transfer a docid vetor to a documentImpl vector. The documentImpl vetor |
|
1360 | 1435 |
* only inlcudes current version. If a DocumentImple object |
1361 | 1436 |
* couldn't find for a docid, then the String of this docid was added to vetor |
1362 | 1437 |
* rather than DocumentImple object. |
1363 | 1438 |
* @param docIdList, a vetor hold a docid list for a data package. In docid, |
1364 | 1439 |
* there is not version number in it. |
1365 |
*/
|
|
1366 |
|
|
1440 |
*/ |
|
1441 |
|
|
1367 | 1442 |
private Vector getCurrentAllDocumentImpl( Vector docIdList) |
1368 | 1443 |
throws McdbException,Exception |
1369 | 1444 |
{ |
1370 | 1445 |
//Connection dbConn=null; |
1371 | 1446 |
Vector documentImplList=new Vector(); |
1372 |
int rev=0;
|
|
1373 |
|
|
1447 |
int rev=0; |
|
1448 |
|
|
1374 | 1449 |
// Check the parameter |
1375 | 1450 |
if (docIdList.isEmpty()) |
1376 | 1451 |
{ |
1377 | 1452 |
return documentImplList; |
1378 | 1453 |
}//if |
1379 |
|
|
1454 |
|
|
1380 | 1455 |
//for every docid in vector |
1381 | 1456 |
for (int i=0;i<docIdList.size();i++) |
1382 | 1457 |
{ |
... | ... | |
1384 | 1459 |
{ |
1385 | 1460 |
//get newest version for this docId |
1386 | 1461 |
rev=getCurrentRevFromXMLDoumentsTable((String)docIdList.elementAt(i)); |
1387 |
|
|
1462 |
|
|
1388 | 1463 |
// There is no record for this docId in xml_documents table |
1389 | 1464 |
if (rev ==-5) |
1390 | 1465 |
{ |
... | ... | |
1394 | 1469 |
// Skip other code |
1395 | 1470 |
continue; |
1396 | 1471 |
} |
1397 |
|
|
1472 |
|
|
1398 | 1473 |
String docidPlusVersion=((String)docIdList.elementAt(i)) |
1399 | 1474 |
+util.getOption("accNumSeparator")+rev; |
1400 |
|
|
1401 |
|
|
1475 |
|
|
1476 |
|
|
1402 | 1477 |
//create new documentImpl object |
1403 |
DocumentImpl documentImplObject =
|
|
1478 |
DocumentImpl documentImplObject = |
|
1404 | 1479 |
new DocumentImpl(docidPlusVersion); |
1405 |
//add them to vector
|
|
1480 |
//add them to vector |
|
1406 | 1481 |
documentImplList.add(documentImplObject); |
1407 | 1482 |
}//try |
1408 | 1483 |
catch (Exception e) |
... | ... | |
1415 | 1490 |
}//for |
1416 | 1491 |
return documentImplList; |
1417 | 1492 |
} |
1418 |
|
|
1493 |
|
|
1419 | 1494 |
/** |
1420 | 1495 |
* Transfer a docid vetor to a documentImpl vector. If a DocumentImple object |
1421 | 1496 |
* couldn't find for a docid, then the String of this docid was added to vetor |
1422 | 1497 |
* rather than DocumentImple object. |
1423 | 1498 |
* @param docIdList, a vetor hold a docid list for a data package. In docid, |
1424 | 1499 |
*t here is version number in it. |
1425 |
*/
|
|
1500 |
*/ |
|
1426 | 1501 |
private Vector getOldVersionAllDocumentImpl( Vector docIdList) |
1427 | 1502 |
{ |
1428 | 1503 |
//Connection dbConn=null; |
1429 | 1504 |
Vector documentImplList=new Vector(); |
1430 | 1505 |
String siteCode=null; |
1431 | 1506 |
String uniqueId=null; |
1432 |
int rev=0;
|
|
1433 |
|
|
1507 |
int rev=0; |
|
1508 |
|
|
1434 | 1509 |
// Check the parameter |
1435 | 1510 |
if (docIdList.isEmpty()) |
1436 | 1511 |
{ |
1437 | 1512 |
return documentImplList; |
1438 | 1513 |
}//if |
1439 |
|
|
1514 |
|
|
1440 | 1515 |
//for every docid in vector |
1441 | 1516 |
for (int i=0;i<docIdList.size();i++) |
1442 | 1517 |
{ |
1443 |
|
|
1518 |
|
|
1444 | 1519 |
String docidPlusVersion=(String)(docIdList.elementAt(i)); |
1445 |
|
|
1520 |
|
|
1446 | 1521 |
try |
1447 | 1522 |
{ |
1448 | 1523 |
//create new documentImpl object |
1449 |
DocumentImpl documentImplObject =
|
|
1524 |
DocumentImpl documentImplObject = |
|
1450 | 1525 |
new DocumentImpl(docidPlusVersion); |
1451 |
//add them to vector
|
|
1526 |
//add them to vector |
|
1452 | 1527 |
documentImplList.add(documentImplObject); |
1453 | 1528 |
}//try |
1454 | 1529 |
catch (McdbDocNotFoundException notFoundE) |
... | ... | |
1468 | 1543 |
// Continue the for loop |
1469 | 1544 |
continue; |
1470 | 1545 |
}//catch |
1471 |
|
|
1472 |
|
|
1546 |
|
|
1547 |
|
|
1473 | 1548 |
}//for |
1474 | 1549 |
return documentImplList; |
1475 | 1550 |
}//getOldVersionAllDocumentImple |
1476 |
|
|
1551 |
|
|
1477 | 1552 |
/** |
1478 | 1553 |
*put a data file into a zip output stream |
1479 | 1554 |
*@param docImpl, docmentImpl object which will be sent to zip output stream |
... | ... | |
1489 | 1564 |
ZipEntry zEntry = null; |
1490 | 1565 |
// this is data file; add file to zip |
1491 | 1566 |
String filePath = util.getOption("datafilepath"); |
1492 |
if (!filePath.endsWith("/"))
|
|
1567 |
if (!filePath.endsWith("/")) |
|
1493 | 1568 |
{ |
1494 | 1569 |
filePath += "/"; |
1495 | 1570 |
} |
... | ... | |
1530 | 1605 |
byte[] byteString=null; |
1531 | 1606 |
InputStream source; |
1532 | 1607 |
DBTransform xmlToHtml; |
1533 |
|
|
1608 |
|
|
1534 | 1609 |
//create a DBTransform ojbect |
1535 | 1610 |
xmlToHtml = new DBTransform(); |
1536 | 1611 |
//head of html |
... | ... | |
1541 | 1616 |
if ((((docImplList.elementAt(i)).getClass()).toString()) |
1542 | 1617 |
.equals("class java.lang.String")) |
1543 | 1618 |
{ |
1544 |
|
|
1619 |
|
|
1545 | 1620 |
htmlDoc.append("<a href=\""); |
1546 | 1621 |
String dataFileid =(String)docImplList.elementAt(i); |
1547 | 1622 |
htmlDoc.append("./data/").append(dataFileid).append("\">"); |
1548 | 1623 |
htmlDoc.append("Data File: "); |
1549 | 1624 |
htmlDoc.append(dataFileid).append("</a><br>"); |
1550 | 1625 |
htmlDoc.append("<br><hr><br>"); |
1551 |
|
|
1626 |
|
|
1552 | 1627 |
}//if |
1553 | 1628 |
else if ((((DocumentImpl)docImplList.elementAt(i)).getDoctype()). |
1554 | 1629 |
compareTo("BIN")!=0) |
... | ... | |
1588 | 1663 |
zipOut.write(byteString, 0, byteString.length); |
1589 | 1664 |
zipOut.closeEntry(); |
1590 | 1665 |
//dbConn.close(); |
1591 |
|
|
1666 |
|
|
1592 | 1667 |
}//addHtmlSummaryToZipOutputStream |
1593 |
|
|
1594 |
|
|
1595 |
|
|
1668 |
|
|
1669 |
|
|
1670 |
|
|
1596 | 1671 |
/** |
1597 | 1672 |
* put a data packadge into a zip output stream |
1598 | 1673 |
* @param docId, which the user want to put into zip output stream |
1599 |
* @param out, a servletoutput stream which the zip output stream will be put
|
|
1674 |
* @param out, a servletoutput stream which the zip output stream will be put |
|
1600 | 1675 |
* @param user, the username of the user |
1601 | 1676 |
* @param groups, the group of the user |
1602 | 1677 |
*/ |
1603 |
public ZipOutputStream getZippedPackage(String docIdString,
|
|
1678 |
public ZipOutputStream getZippedPackage(String docIdString, |
|
1604 | 1679 |
ServletOutputStream out, String user, String[] groups, String passWord) |
1605 |
throws ClassNotFoundException, IOException, SQLException,
|
|
1680 |
throws ClassNotFoundException, IOException, SQLException, |
|
1606 | 1681 |
McdbException, NumberFormatException, Exception |
1607 |
{
|
|
1682 |
{ |
|
1608 | 1683 |
ZipOutputStream zOut = null; |
1609 | 1684 |
String elementDocid=null; |
1610 | 1685 |
DocumentImpl docImpls=null; |
... | ... | |
1614 | 1689 |
Vector htmlDocumentImplList=new Vector(); |
1615 | 1690 |
String packageId=null; |
1616 | 1691 |
String rootName="package";//the package zip entry name |
1617 |
|
|
1692 |
|
|
1618 | 1693 |
String docId=null; |
1619 | 1694 |
int version=-5; |
1620 | 1695 |
// Docid without revision |
1621 | 1696 |
docId=MetaCatUtil.getDocIdFromString(docIdString); |
1622 | 1697 |
// revision number |
1623 | 1698 |
version=MetaCatUtil.getVersionFromString(docIdString); |
1624 |
|
|
1699 |
|
|
1625 | 1700 |
//check if the reqused docId is a data package id |
1626 | 1701 |
if (!isDataPackageId(docId)) |
1627 | 1702 |
{ |
1628 |
|
|
1703 |
|
|
1629 | 1704 |
/*Exception e = new Exception("The request the doc id " +docIdString+ |
1630 | 1705 |
" is not a data package id"); |
1631 | 1706 |
throw e;*/ |
1632 |
|
|
1633 |
|
|
1707 |
|
|
1708 |
|
|
1634 | 1709 |
//CB 1/6/03: if the requested docid is not a datapackage, we just zip |
1635 | 1710 |
//up the single document and return the zip file. |
1636 | 1711 |
|
... | ... | |
1667 | 1742 |
// Check the permission of user |
1668 | 1743 |
else if(!hasPermissionToExportPackage(docId, user, groups)) |
1669 | 1744 |
{ |
1670 |
|
|
1745 |
|
|
1671 | 1746 |
Exception e = new Exception("User " + user + " does not have permission" |
1672 | 1747 |
+" to export the data package " + docIdString); |
1673 | 1748 |
throw e; |
1674 | 1749 |
} |
1675 | 1750 |
else //it is a packadge id |
1676 |
{
|
|
1751 |
{ |
|
1677 | 1752 |
//store the package id |
1678 | 1753 |
packageId=docId; |
1679 | 1754 |
//get current version in database |
1680 | 1755 |
int currentVersion = getCurrentRevFromXMLDoumentsTable(packageId); |
1681 | 1756 |
//If it is for current version (-1 means user didn't specify revision) |
1682 | 1757 |
if ((version ==-1)||version==currentVersion) |
1683 |
{
|
|
1758 |
{ |
|
1684 | 1759 |
//get current version number |
1685 | 1760 |
version=currentVersion; |
1686 | 1761 |
//get package zip entry name |
... | ... | |
1691 | 1766 |
docIdList=getCurrentDocidListForDataPackage(packageId); |
1692 | 1767 |
//get the whole documentImple object |
1693 | 1768 |
documentImplList=getCurrentAllDocumentImpl(docIdList); |
1694 |
|
|
1769 |
|
|
1695 | 1770 |
}//if |
1696 | 1771 |
else if (version > currentVersion || version < -1) |
1697 | 1772 |
{ |
... | ... | |
1700 | 1775 |
}//else if |
1701 | 1776 |
else //for an old version |
1702 | 1777 |
{ |
1703 |
|
|
1778 |
|
|
1704 | 1779 |
rootName=docIdString+util.getOption("accNumSeparator")+"package"; |
1705 | 1780 |
//get the whole id list for data packadge |
1706 | 1781 |
docIdList=getOldVersionDocidListForDataPackage(docIdString); |
1707 | 1782 |
|
1708 | 1783 |
//get the whole documentImple object |
1709 | 1784 |
documentImplList=getOldVersionAllDocumentImpl(docIdList); |
1710 |
}//else
|
|
1711 |
|
|
1785 |
}//else |
|
1786 |
|
|
1712 | 1787 |
// Make sure documentImplist is not empty |
1713 | 1788 |
if (documentImplList.isEmpty()) |
1714 | 1789 |
{ |
1715 | 1790 |
throw new Exception ("Couldn't find component for data package: " |
1716 | 1791 |
+ packageId); |
1717 | 1792 |
}//if |
1718 |
|
|
1719 |
|
|
1793 |
|
|
1794 |
|
|
1720 | 1795 |
zOut = new ZipOutputStream(out); |
1721 | 1796 |
//put every element into zip output stream |
1722 | 1797 |
for (int i=0; i < documentImplList.size(); i++ ) |
... | ... | |
1730 | 1805 |
String documentId = (String) documentImplList.elementAt(i); |
1731 | 1806 |
MetaCatUtil.debugMessage("docid: "+documentId, 30); |
1732 | 1807 |
// Get doicd without revision |
1733 |
String docidWithoutRevision =
|
|
1808 |
String docidWithoutRevision = |
|
1734 | 1809 |
MetaCatUtil.getDocIdFromString(documentId); |
1735 | 1810 |
MetaCatUtil.debugMessage("docidWithoutRevsion: " |
1736 | 1811 |
+docidWithoutRevision, 30); |
... | ... | |
1738 | 1813 |
String revision = MetaCatUtil.getRevisionStringFromString(documentId); |
1739 | 1814 |
MetaCatUtil.debugMessage("revsion from docIdentifier: "+revision, 30); |
1740 | 1815 |
// Zip entry string |
1741 |
String zipEntryPath = rootName+"/data/";
|
|
1816 |
String zipEntryPath = rootName+"/data/"; |
|
1742 | 1817 |
// Create a RemoteDocument object |
1743 |
RemoteDocument remoteDoc =
|
|
1744 |
new RemoteDocument(docidWithoutRevision,revision,user,
|
|
1818 |
RemoteDocument remoteDoc = |
|
1819 |
new RemoteDocument(docidWithoutRevision,revision,user, |
|
1745 | 1820 |
passWord, zipEntryPath); |
1746 | 1821 |
// Here we only read data file from remote metacat |
1747 | 1822 |
String docType = remoteDoc.getDocType(); |
... | ... | |
1757 | 1832 |
htmlDocumentImplList.add(elementInHtmlList); |
1758 | 1833 |
}//if |
1759 | 1834 |
}//if |
1760 |
|
|
1835 |
|
|
1761 | 1836 |
}//if |
1762 | 1837 |
else |
1763 | 1838 |
{ |
... | ... | |
1765 | 1840 |
docImpls=(DocumentImpl)documentImplList.elementAt(i); |
1766 | 1841 |
//checking if the user has the permission to read the documents |
1767 | 1842 |
if (docImpls.hasReadPermission(user,groups,docImpls.getDocID())) |
1768 |
{
|
|
1769 |
//if the docImpls is metadata
|
|
1770 |
if ((docImpls.getDoctype()).compareTo("BIN")!=0)
|
|
1843 |
{ |
|
1844 |
//if the docImpls is metadata |
|
1845 |
if ((docImpls.getDoctype()).compareTo("BIN")!=0) |
|
1771 | 1846 |
{ |
1772 | 1847 |
//add metadata into zip output stream |
1773 | 1848 |
addDocToZipOutputStream(docImpls, zOut, rootName); |
1774 | 1849 |
//add the documentImpl into the vetor which will be used in html |
1775 | 1850 |
htmlDocumentImplList.add(docImpls); |
1776 |
|
|
1851 |
|
|
1777 | 1852 |
}//if |
1778 |
else
|
|
1853 |
else |
|
1779 | 1854 |
{ |
1780 |
//it is data file
|
|
1855 |
//it is data file |
|
1781 | 1856 |
addDataFileToZipOutputStream(docImpls, zOut, rootName); |
1782 | 1857 |
htmlDocumentImplList.add(docImpls); |
1783 | 1858 |
}//else |
... | ... | |
1792 | 1867 |
return zOut; |
1793 | 1868 |
}//else |
1794 | 1869 |
}//getZippedPackage() |
1795 |
|
|
1870 |
|
|
1796 | 1871 |
private class ReturnFieldValue |
1797 | 1872 |
{ |
1798 | 1873 |
private String docid = null; //return field value for this docid |
1799 | 1874 |
private String fieldValue = null; |
1800 | 1875 |
private String xmlFieldValue = null; //return field value in xml format |
1801 | 1876 |
|
1802 |
|
|
1877 |
|
|
1803 | 1878 |
public void setDocid(String myDocid) |
1804 | 1879 |
{ |
1805 | 1880 |
docid = myDocid; |
1806 | 1881 |
} |
1807 |
|
|
1882 |
|
|
1808 | 1883 |
public String getDocid() |
1809 | 1884 |
{ |
1810 | 1885 |
return docid; |
1811 | 1886 |
} |
1812 |
|
|
1887 |
|
|
1813 | 1888 |
public void setFieldValue(String myValue) |
1814 | 1889 |
{ |
1815 | 1890 |
fieldValue = myValue; |
1816 | 1891 |
} |
1817 |
|
|
1892 |
|
|
1818 | 1893 |
public String getFieldValue() |
1819 | 1894 |
{ |
1820 | 1895 |
return fieldValue; |
1821 | 1896 |
} |
1822 |
|
|
1897 |
|
|
1823 | 1898 |
public void setXMLFieldValue(String xml) |
1824 | 1899 |
{ |
1825 | 1900 |
xmlFieldValue = xml; |
1826 | 1901 |
} |
1827 |
|
|
1902 |
|
|
1828 | 1903 |
public String getXMLFieldValue() |
1829 | 1904 |
{ |
1830 | 1905 |
return xmlFieldValue; |
1831 | 1906 |
} |
1832 |
|
|
1833 |
|
|
1907 |
|
|
1908 |
|
|
1834 | 1909 |
} |
1835 |
|
|
1910 |
|
|
1836 | 1911 |
} |
Also available in: Unified diff
Replaced Hash table with Vector of Vector datastructure in getting <param> from Query. This was done so that the results are represented in same order as they appeared in the document.