1
|
/**
|
2
|
* '$RCSfile$'
|
3
|
* Purpose: A Class that represents a structured query, and can be
|
4
|
* constructed from an XML serialization conforming to
|
5
|
* pathquery.dtd. The printSQL() method can be used to print
|
6
|
* a SQL serialization of the query.
|
7
|
* Copyright: 2000 Regents of the University of California and the
|
8
|
* National Center for Ecological Analysis and Synthesis
|
9
|
* Authors: Matt Jones
|
10
|
*
|
11
|
* '$Author: leinfelder $'
|
12
|
* '$Date: 2011-12-06 15:03:24 -0800 (Tue, 06 Dec 2011) $'
|
13
|
* '$Revision: 6740 $'
|
14
|
*
|
15
|
* This program is free software; you can redistribute it and/or modify
|
16
|
* it under the terms of the GNU General Public License as published by
|
17
|
* the Free Software Foundation; either version 2 of the License, or
|
18
|
* (at your option) any later version.
|
19
|
*
|
20
|
* This program is distributed in the hope that it will be useful,
|
21
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
22
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
23
|
* GNU General Public License for more details.
|
24
|
*
|
25
|
* You should have received a copy of the GNU General Public License
|
26
|
* along with this program; if not, write to the Free Software
|
27
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
28
|
*/
|
29
|
|
30
|
package edu.ucsb.nceas.metacat;
|
31
|
|
32
|
import java.util.ArrayList;
|
33
|
import java.util.Calendar;
|
34
|
import java.util.List;
|
35
|
import java.util.Vector;
|
36
|
|
37
|
import javax.xml.bind.DatatypeConverter;
|
38
|
|
39
|
import org.apache.log4j.Logger;
|
40
|
|
41
|
import edu.ucsb.nceas.metacat.shared.MetacatUtilException;
|
42
|
import edu.ucsb.nceas.metacat.util.SystemUtil;
|
43
|
|
44
|
/** a utility class that represents a single term in a query */
|
45
|
public class QueryTerm
|
46
|
{
|
47
|
private static Logger log = Logger.getLogger(QueryTerm.class);
|
48
|
|
49
|
private boolean casesensitive = false;
|
50
|
|
51
|
private String searchmode = null;
|
52
|
|
53
|
private String value = null;
|
54
|
|
55
|
private String pathexpr = null;
|
56
|
|
57
|
private boolean percentageSymbol = false;
|
58
|
|
59
|
private int countPercentageSearchItem = 0;
|
60
|
|
61
|
private boolean inUnionGroup = false;
|
62
|
|
63
|
public static final String CONTAINS = "contains";
|
64
|
|
65
|
public static final String EQUALS = "equals";
|
66
|
|
67
|
/**
|
68
|
* Construct a new instance of a query term for a free text search (using
|
69
|
* the value only)
|
70
|
*
|
71
|
* @param casesensitive
|
72
|
* flag indicating whether case is used to match
|
73
|
* @param searchmode
|
74
|
* determines what kind of substring match is performed (one of
|
75
|
* starts-with|ends-with|contains|matches-exactly)
|
76
|
* @param value
|
77
|
* the text value to match
|
78
|
*/
|
79
|
public QueryTerm(boolean casesensitive, String searchmode, String value)
|
80
|
{
|
81
|
this.casesensitive = casesensitive;
|
82
|
this.searchmode = searchmode;
|
83
|
this.value = value;
|
84
|
}
|
85
|
|
86
|
/**
|
87
|
* Construct a new instance of a query term for a structured search
|
88
|
* (matching the value only for those nodes in the pathexpr)
|
89
|
*
|
90
|
* @param casesensitive
|
91
|
* flag indicating whether case is used to match
|
92
|
* @param searchmode
|
93
|
* determines what kind of substring match is performed (one of
|
94
|
* starts-with|ends-with|contains|matches-exactly)
|
95
|
* @param value
|
96
|
* the text value to match
|
97
|
* @param pathexpr
|
98
|
* the hierarchical path to the nodes to be searched
|
99
|
*/
|
100
|
public QueryTerm(boolean casesensitive, String searchmode, String value,
|
101
|
String pathexpr)
|
102
|
{
|
103
|
this(casesensitive, searchmode, value);
|
104
|
this.pathexpr = pathexpr;
|
105
|
}
|
106
|
|
107
|
/** determine if the QueryTerm is case sensitive */
|
108
|
public boolean isCaseSensitive()
|
109
|
{
|
110
|
return casesensitive;
|
111
|
}
|
112
|
|
113
|
/** get the searchmode parameter */
|
114
|
public String getSearchMode()
|
115
|
{
|
116
|
return searchmode;
|
117
|
}
|
118
|
|
119
|
/** get the Value parameter */
|
120
|
public String getValue()
|
121
|
{
|
122
|
return value;
|
123
|
}
|
124
|
|
125
|
/** get the path expression parameter */
|
126
|
public String getPathExpression()
|
127
|
{
|
128
|
return pathexpr;
|
129
|
}
|
130
|
|
131
|
/** get the percentage count for one query term */
|
132
|
public int getPercentageSymbolCount()
|
133
|
{
|
134
|
return countPercentageSearchItem;
|
135
|
}
|
136
|
|
137
|
/**
|
138
|
* Set the query term in a union group
|
139
|
* @param inUnionGroup
|
140
|
*/
|
141
|
public void setInUnionGroup (boolean inUnionGroup)
|
142
|
{
|
143
|
this.inUnionGroup = inUnionGroup;
|
144
|
}
|
145
|
|
146
|
/**
|
147
|
* If this query group in Union group
|
148
|
* @return
|
149
|
*/
|
150
|
public boolean isInUnionGroup()
|
151
|
{
|
152
|
return this.inUnionGroup;
|
153
|
}
|
154
|
|
155
|
|
156
|
public String printSearchExprSQL(List<Object> parameterValues) {
|
157
|
|
158
|
// Uppercase the search string if case match is not important
|
159
|
String casevalue = null;
|
160
|
String nodedataterm = null;
|
161
|
boolean notEqual = false;
|
162
|
if (casesensitive) {
|
163
|
nodedataterm = "nodedata";
|
164
|
casevalue = value;
|
165
|
} else {
|
166
|
nodedataterm = "UPPER(nodedata)";
|
167
|
casevalue = value.toUpperCase();
|
168
|
}
|
169
|
|
170
|
// Add appropriate wildcards to search string
|
171
|
String searchexpr = null;
|
172
|
if (searchmode.equals("starts-with")) {
|
173
|
searchexpr = nodedataterm + " LIKE ? ";
|
174
|
parameterValues.add(casevalue + "%");
|
175
|
} else if (searchmode.equals("ends-with")) {
|
176
|
searchexpr = nodedataterm + " LIKE ? ";
|
177
|
parameterValues.add("%" + casevalue + "%");
|
178
|
} else if (searchmode.equals("contains")) {
|
179
|
if (!casevalue.equals("%")) {
|
180
|
searchexpr = nodedataterm + " LIKE ? ";
|
181
|
parameterValues.add("%" + casevalue + "%");
|
182
|
} else {
|
183
|
searchexpr = nodedataterm + " LIKE ? ";
|
184
|
parameterValues.add(casevalue);
|
185
|
// find percentage symbol
|
186
|
percentageSymbol = true;
|
187
|
}
|
188
|
} else if (searchmode.equals("not-contains")) {
|
189
|
notEqual = true;
|
190
|
searchexpr = nodedataterm + " LIKE ? ";
|
191
|
parameterValues.add("%" + casevalue + "%");
|
192
|
} else if (searchmode.equals("equals")) {
|
193
|
searchexpr = nodedataterm + " = ? ";
|
194
|
parameterValues.add(casevalue);
|
195
|
} else if (searchmode.equals("isnot-equal")) {
|
196
|
notEqual = true;
|
197
|
searchexpr = nodedataterm + " = ? ";
|
198
|
parameterValues.add(casevalue);
|
199
|
} else {
|
200
|
String oper = null;
|
201
|
if (searchmode.equals("greater-than")) {
|
202
|
oper = ">";
|
203
|
nodedataterm = "nodedatanumerical";
|
204
|
} else if (searchmode.equals("greater-than-equals")) {
|
205
|
oper = ">=";
|
206
|
nodedataterm = "nodedatanumerical";
|
207
|
} else if (searchmode.equals("less-than")) {
|
208
|
oper = "<";
|
209
|
nodedataterm = "nodedatanumerical";
|
210
|
} else if (searchmode.equals("less-than-equals")) {
|
211
|
oper = "<=";
|
212
|
nodedataterm = "nodedatanumerical";
|
213
|
} else {
|
214
|
System.out
|
215
|
.println("NOT expected case. NOT recognized operator: "
|
216
|
+ searchmode);
|
217
|
return null;
|
218
|
}
|
219
|
|
220
|
|
221
|
try {
|
222
|
// it is number; numeric comparison
|
223
|
Double doubleVal = new Double(casevalue);
|
224
|
searchexpr = nodedataterm + " " + oper + " ? ";
|
225
|
parameterValues.add(doubleVal);
|
226
|
} catch (NumberFormatException nfe) {
|
227
|
// is it a date?
|
228
|
try {
|
229
|
// try ISO 8601 formats
|
230
|
Calendar dataDateValue = DatatypeConverter.parseDateTime(casevalue);
|
231
|
//String lexicalString = DatatypeConverter.printDateTime(dataDateValue);
|
232
|
nodedataterm = "nodedatadate";
|
233
|
searchexpr =
|
234
|
nodedataterm + " " + oper + " ? ";
|
235
|
parameterValues.add(dataDateValue.getTime());
|
236
|
} catch (Exception pe) {
|
237
|
// these are characters; character comparison
|
238
|
searchexpr = nodedataterm + " " + oper + " ? ";
|
239
|
parameterValues.add(casevalue);
|
240
|
}
|
241
|
}
|
242
|
}
|
243
|
return searchexpr;
|
244
|
}
|
245
|
|
246
|
public boolean isNotEqualTerm() {
|
247
|
|
248
|
boolean notEqual = false;
|
249
|
|
250
|
if (searchmode.equals("not-contains")) {
|
251
|
notEqual = true;
|
252
|
} else if (searchmode.equals("isnot-equal")) {
|
253
|
notEqual = true;
|
254
|
}
|
255
|
return notEqual;
|
256
|
}
|
257
|
|
258
|
/**
|
259
|
* create a SQL serialization of the query that this instance represents
|
260
|
*/
|
261
|
public String printSQL(boolean useXMLIndex, List<Object> parameterValues)
|
262
|
{
|
263
|
|
264
|
StringBuffer self = new StringBuffer();
|
265
|
|
266
|
// does it contain a not equals?
|
267
|
boolean notEqual = isNotEqualTerm();
|
268
|
|
269
|
// keep track of parameter values
|
270
|
List<Object> searchValues = new ArrayList<Object>();
|
271
|
|
272
|
// get the general search expression
|
273
|
String searchexpr = printSearchExprSQL(searchValues);
|
274
|
|
275
|
// add our parameter values
|
276
|
parameterValues.addAll(searchValues);
|
277
|
|
278
|
// to check xml_path_index can be used
|
279
|
boolean usePathIndex = false;
|
280
|
|
281
|
// if pathexpr has been specified in metacat.properties for indexing
|
282
|
if(pathexpr != null){
|
283
|
try {
|
284
|
if (SystemUtil.getPathsForIndexing().contains(pathexpr)) {
|
285
|
usePathIndex = true;
|
286
|
}
|
287
|
} catch (MetacatUtilException ue) {
|
288
|
log.warn("Could not get index paths: " + ue.getMessage());
|
289
|
}
|
290
|
}
|
291
|
|
292
|
if(usePathIndex){
|
293
|
// using xml_path_index table.....
|
294
|
if(notEqual == true ){
|
295
|
if (!inUnionGroup)
|
296
|
{
|
297
|
self.append("SELECT DISTINCT docid from xml_path_index WHERE");
|
298
|
self.append(" docid NOT IN (Select docid FROM xml_path_index WHERE ");
|
299
|
self.append(searchexpr);
|
300
|
self.append("AND path LIKE ? ) ");
|
301
|
parameterValues.add(pathexpr);
|
302
|
}
|
303
|
else
|
304
|
{
|
305
|
//if this is in union group we need to use "OR" to modify query
|
306
|
self.append("("+searchexpr);
|
307
|
self.append("AND path LIKE ?) ");
|
308
|
parameterValues.add(pathexpr);
|
309
|
}
|
310
|
} else {
|
311
|
if (!inUnionGroup)
|
312
|
{
|
313
|
self.append("SELECT DISTINCT docid FROM xml_path_index WHERE ");
|
314
|
self.append(searchexpr);
|
315
|
self.append("AND path LIKE ? ");
|
316
|
parameterValues.add(pathexpr);
|
317
|
}
|
318
|
else
|
319
|
{
|
320
|
//if this is in union group we need to use "OR" to modify query
|
321
|
self.append("("+searchexpr);
|
322
|
self.append("AND path LIKE ?) ");
|
323
|
parameterValues.add(pathexpr);
|
324
|
}
|
325
|
}
|
326
|
|
327
|
} else {
|
328
|
// using xml_nodes and xml_index tables
|
329
|
|
330
|
if(notEqual == true){
|
331
|
self.append("SELECT DISTINCT docid from xml_nodes WHERE");
|
332
|
self.append(" docid NOT IN (Select docid FROM xml_nodes WHERE ");
|
333
|
} else {
|
334
|
self.append("(SELECT DISTINCT docid FROM xml_nodes WHERE ");
|
335
|
}
|
336
|
self.append(searchexpr);
|
337
|
|
338
|
if (pathexpr != null) {
|
339
|
String path = pathexpr;
|
340
|
// use XML Index
|
341
|
if (useXMLIndex) {
|
342
|
if (!hasAttributeInPath(pathexpr)) {
|
343
|
// without attributes in path
|
344
|
self.append("AND parentnodeid IN ");
|
345
|
self.append(
|
346
|
"(SELECT nodeid FROM xml_index WHERE path LIKE ?) ");
|
347
|
parameterValues.add(path);
|
348
|
} else {
|
349
|
// has a attribute in path
|
350
|
String attributeName = QuerySpecification
|
351
|
.getAttributeName(pathexpr);
|
352
|
self.append(
|
353
|
"AND nodetype LIKE 'ATTRIBUTE' AND nodename LIKE ? ");
|
354
|
parameterValues.add(attributeName);
|
355
|
// and the path expression includes element content other than
|
356
|
// just './' or '../'
|
357
|
if ( (!pathexpr.startsWith(QuerySpecification.
|
358
|
ATTRIBUTESYMBOL)) &&
|
359
|
(!pathexpr.startsWith("./" +
|
360
|
QuerySpecification.ATTRIBUTESYMBOL)) &&
|
361
|
(!pathexpr.startsWith("../" +
|
362
|
QuerySpecification.ATTRIBUTESYMBOL))) {
|
363
|
|
364
|
self.append("AND parentnodeid IN ");
|
365
|
path = QuerySpecification
|
366
|
.newPathExpressionWithOutAttribute(pathexpr);
|
367
|
self.append(
|
368
|
"(SELECT nodeid FROM xml_index WHERE path LIKE ?) ");
|
369
|
parameterValues.add(path);
|
370
|
}
|
371
|
}
|
372
|
}
|
373
|
else {
|
374
|
// without using XML Index; using nested statements instead
|
375
|
// keep track of the values we add as prepared statement question marks (?)
|
376
|
List<Object> nestedParameterValues = new ArrayList<Object>();
|
377
|
//self.append("AND parentnodeid IN ");
|
378
|
self.append("AND ");
|
379
|
String nested = useNestedStatements(pathexpr, nestedParameterValues);
|
380
|
self.append(nested);
|
381
|
// include them
|
382
|
parameterValues.addAll(nestedParameterValues);
|
383
|
}
|
384
|
}
|
385
|
else if ( (value.trim()).equals("%")) {
|
386
|
//if pathexpr is null and search value is %, is a
|
387
|
// percentageSearchItem
|
388
|
// the count number will be increase one
|
389
|
countPercentageSearchItem++;
|
390
|
|
391
|
}
|
392
|
self.append(") ");
|
393
|
}
|
394
|
|
395
|
return self.toString();
|
396
|
}
|
397
|
|
398
|
/** A method to judge if a path have attribute */
|
399
|
private boolean hasAttributeInPath(String path)
|
400
|
{
|
401
|
if (path.indexOf(QuerySpecification.ATTRIBUTESYMBOL) != -1) {
|
402
|
return true;
|
403
|
} else {
|
404
|
return false;
|
405
|
}
|
406
|
}
|
407
|
|
408
|
|
409
|
public static String useNestedStatements(String pathexpr, List<Object> parameterValues)
|
410
|
{
|
411
|
|
412
|
log.info("useNestedStatements()");
|
413
|
log.info("pathexpr: " + pathexpr);
|
414
|
String elementPrefix = " parentnodeid IN ";
|
415
|
String attributePrefix = " nodeid IN ";
|
416
|
boolean lastOneIsAttribute = false;
|
417
|
StringBuffer nestedStmts = new StringBuffer();
|
418
|
String path = pathexpr.trim();
|
419
|
String sql = "";
|
420
|
|
421
|
if (path.indexOf('/') == 0)
|
422
|
{
|
423
|
nestedStmts.append("AND parentnodeid = rootnodeid ");
|
424
|
path = path.substring(1).trim();
|
425
|
}
|
426
|
|
427
|
do
|
428
|
{
|
429
|
int inx = path.indexOf('/');
|
430
|
int predicateStart = -1;
|
431
|
int predicateEnd;
|
432
|
String node;
|
433
|
Vector<String> predicates = new Vector<String>();
|
434
|
|
435
|
// extract predicates
|
436
|
predicateStart = path.indexOf(QuerySpecification.PREDICATE_START, predicateStart + 1);
|
437
|
|
438
|
// any predicates in this node?
|
439
|
if (inx != -1 && (predicateStart == -1 || predicateStart > inx))
|
440
|
{
|
441
|
// no
|
442
|
node = path.substring(0, inx).trim();
|
443
|
path = path.substring(inx + 1).trim();
|
444
|
}
|
445
|
else if (predicateStart == -1)
|
446
|
{
|
447
|
// no and it's the last node
|
448
|
node = path;
|
449
|
if (node != null && node.indexOf(QuerySpecification.ATTRIBUTESYMBOL) != -1)
|
450
|
{
|
451
|
lastOneIsAttribute = true;
|
452
|
node = removeAttributeSymbol(node);
|
453
|
}
|
454
|
path = "";
|
455
|
}
|
456
|
else
|
457
|
{
|
458
|
// yes
|
459
|
node = path.substring(0, predicateStart).trim();
|
460
|
path = path.substring(predicateStart);
|
461
|
predicateStart = 0;
|
462
|
|
463
|
while (predicateStart == 0)
|
464
|
{
|
465
|
predicateEnd = path.indexOf(QuerySpecification.PREDICATE_END,
|
466
|
predicateStart);
|
467
|
|
468
|
if (predicateEnd == -1)
|
469
|
{
|
470
|
log.warn("useNestedStatements(): ");
|
471
|
log.warn(" Invalid path: " + pathexpr);
|
472
|
return "";
|
473
|
}
|
474
|
|
475
|
predicates.add(path.substring(1, predicateEnd).trim());
|
476
|
path = path.substring(predicateEnd + 1).trim();
|
477
|
inx = path.indexOf('/');
|
478
|
predicateStart = path.indexOf(QuerySpecification.PREDICATE_START);
|
479
|
}
|
480
|
|
481
|
if (inx == 0)
|
482
|
path = path.substring(1).trim();
|
483
|
else if (!path.equals(""))
|
484
|
{
|
485
|
log.warn("useNestedStatements(): ");
|
486
|
log.warn(" Invalid path: " + pathexpr);
|
487
|
return "";
|
488
|
}
|
489
|
}
|
490
|
|
491
|
nestedStmts.insert(0, "(SELECT nodeid FROM xml_nodes WHERE nodename LIKE ? ");
|
492
|
parameterValues.add(0, node);
|
493
|
|
494
|
// for the last statement: it is without " AND parentnodeid IN "
|
495
|
if (!path.equals("")) {
|
496
|
nestedStmts.insert(0, "AND parentnodeid IN ");
|
497
|
}
|
498
|
|
499
|
if (predicates.size() > 0)
|
500
|
{
|
501
|
for (int n = 0; n < predicates.size(); n++)
|
502
|
{
|
503
|
// keep track of the values we add as prepared statement question marks (?)
|
504
|
List<Object> predicateParameterValues = new ArrayList<Object>();
|
505
|
String predSQL = predicate2SQL(predicates.get(n), predicateParameterValues);
|
506
|
|
507
|
if (predSQL.equals("")) {
|
508
|
return "";
|
509
|
}
|
510
|
|
511
|
// include the values
|
512
|
parameterValues.addAll(predicateParameterValues);
|
513
|
// include the sql
|
514
|
nestedStmts.append(predSQL).append(' ');
|
515
|
}
|
516
|
}
|
517
|
|
518
|
nestedStmts.append(") ");
|
519
|
}
|
520
|
while (!path.equals(""));
|
521
|
if (lastOneIsAttribute)
|
522
|
{
|
523
|
sql = attributePrefix+nestedStmts.toString();
|
524
|
}
|
525
|
else
|
526
|
{
|
527
|
sql = elementPrefix+nestedStmts.toString();
|
528
|
}
|
529
|
return sql;
|
530
|
}
|
531
|
|
532
|
|
533
|
/*
|
534
|
* Removes @ symbol from path. For example, if path is @entity, entity will be returned.
|
535
|
* If path is entity, entity will be returned.
|
536
|
*/
|
537
|
private static String removeAttributeSymbol(String path)
|
538
|
{
|
539
|
String newPath ="";
|
540
|
log.debug("Original string before removing @ is " + path);
|
541
|
if (path != null)
|
542
|
{
|
543
|
|
544
|
int attribute = path.indexOf(QuerySpecification.ATTRIBUTESYMBOL);
|
545
|
if (attribute != -1)
|
546
|
{
|
547
|
// has attribute symbol. Reomve it and return the remained part.
|
548
|
try
|
549
|
{
|
550
|
newPath = path.substring(attribute + 1).trim();
|
551
|
}
|
552
|
catch (Exception e)
|
553
|
{
|
554
|
newPath = path;
|
555
|
}
|
556
|
}
|
557
|
else
|
558
|
{
|
559
|
// doesn't have attribute symbol. Return original string
|
560
|
newPath = path;
|
561
|
}
|
562
|
}
|
563
|
else
|
564
|
{
|
565
|
// if is null, return null;
|
566
|
newPath = path;
|
567
|
}
|
568
|
log.debug("String after removing @ is " + newPath);
|
569
|
return newPath;
|
570
|
|
571
|
}
|
572
|
|
573
|
/**
|
574
|
*
|
575
|
*/
|
576
|
public static String predicate2SQL(String predicate, List<Object> predicateParameterValues)
|
577
|
{
|
578
|
String path = predicate.trim();
|
579
|
int equals = path.indexOf('=');
|
580
|
String literal = null;
|
581
|
|
582
|
if (equals != -1)
|
583
|
{
|
584
|
literal = path.substring(equals + 1).trim();
|
585
|
path = path.substring(0, equals).trim();
|
586
|
int sQuote = literal.indexOf('\'');
|
587
|
int dQuote = literal.indexOf('"');
|
588
|
|
589
|
if (sQuote == -1 && dQuote == -1)
|
590
|
{
|
591
|
log.warn("predicate2SQL(): ");
|
592
|
log.warn(" 1 Invalid or unsupported predicate: " + predicate);
|
593
|
return "";
|
594
|
}
|
595
|
|
596
|
if (sQuote == -1 &&
|
597
|
(dQuote != 0 ||
|
598
|
literal.indexOf('"', dQuote + 1) != literal.length() - 1))
|
599
|
{
|
600
|
log.warn("predicate2SQL(): ");
|
601
|
log.warn(" 2 Invalid or unsupported predicate: " + predicate);
|
602
|
return "";
|
603
|
}
|
604
|
|
605
|
if (sQuote != 0 ||
|
606
|
literal.indexOf('\'', sQuote + 1) != literal.length() - 1)
|
607
|
{
|
608
|
log.warn("predicate2SQL(): ");
|
609
|
log.warn(" 3 Invalid or unsupported predicate: " + predicate);
|
610
|
return "";
|
611
|
}
|
612
|
}
|
613
|
|
614
|
StringBuffer sql = new StringBuffer();
|
615
|
int attribute = path.indexOf('@');
|
616
|
|
617
|
if (attribute == -1)
|
618
|
{
|
619
|
if (literal != null)
|
620
|
{
|
621
|
sql.append("AND nodeid IN (SELECT parentnodeid FROM xml_nodes WHERE nodetype = 'TEXT' AND nodedata LIKE ")
|
622
|
.append("?").append(")");
|
623
|
// remove single or double quotes
|
624
|
literal = literal.substring(1, literal.length() - 1);
|
625
|
// add to vlaues list
|
626
|
predicateParameterValues.add(literal);
|
627
|
}
|
628
|
}
|
629
|
else
|
630
|
{
|
631
|
sql.append(
|
632
|
"AND nodeid IN (SELECT parentnodeid FROM xml_nodes WHERE nodetype = 'ATTRIBUTE' AND nodename LIKE ? ");
|
633
|
// add to values
|
634
|
predicateParameterValues.add(path.substring(attribute + 1).trim());
|
635
|
|
636
|
if (literal != null)
|
637
|
{
|
638
|
sql.append("AND nodedata LIKE ? ");
|
639
|
// remove single or double quotes
|
640
|
literal = literal.substring(1, literal.length() - 1);
|
641
|
// add to values list
|
642
|
predicateParameterValues.add(literal);
|
643
|
}
|
644
|
|
645
|
sql.append(")");
|
646
|
path = path.substring(0, attribute).trim();
|
647
|
|
648
|
if (path.endsWith("/"))
|
649
|
path = path.substring(0, path.length() - 1).trim();
|
650
|
else
|
651
|
{
|
652
|
if (!path.equals(""))
|
653
|
{
|
654
|
log.warn("predicate2SQL(): ");
|
655
|
log.warn(" Invalid or unsupported predicate: " + predicate);
|
656
|
return "";
|
657
|
}
|
658
|
}
|
659
|
}
|
660
|
|
661
|
while (!path.equals(""))
|
662
|
{
|
663
|
int ndx = path.lastIndexOf('/');
|
664
|
int predicateEnd = -1;
|
665
|
int predicateStart;
|
666
|
String node;
|
667
|
|
668
|
if (ndx != -1)
|
669
|
{
|
670
|
node = path.substring(ndx + 1).trim();
|
671
|
path = path.substring(0, ndx).trim();
|
672
|
}
|
673
|
else
|
674
|
{
|
675
|
node = path;
|
676
|
path = "";
|
677
|
}
|
678
|
|
679
|
if (!node.equals("")) {
|
680
|
sql.insert(0, "(SELECT parentnodeid FROM xml_nodes WHERE nodename LIKE ? ) ");
|
681
|
predicateParameterValues.add(0, node);
|
682
|
}
|
683
|
else if (!path.equals(""))
|
684
|
{
|
685
|
log.warn("predicate2SQL(): ");
|
686
|
log.warn(" Invalid or unsupported predicate: " + predicate);
|
687
|
return "";
|
688
|
}
|
689
|
|
690
|
if (path.equals(""))
|
691
|
{
|
692
|
sql.insert(0,
|
693
|
node.equals("") ? "AND rootnodeid IN " : "AND nodeid IN ");
|
694
|
}
|
695
|
else
|
696
|
{
|
697
|
sql.append("AND nodeid IN ");
|
698
|
}
|
699
|
}
|
700
|
|
701
|
return sql.toString();
|
702
|
}
|
703
|
|
704
|
/**
|
705
|
* Show a string representation of the query
|
706
|
* @deprecated This should not be used for performing the query
|
707
|
* because the parameter values are not bound in the raw SQL
|
708
|
*/
|
709
|
public String toString()
|
710
|
{
|
711
|
|
712
|
// keep track of the values we add as prepared statement question marks (?)
|
713
|
List<Object> parameterValues = new ArrayList<Object>();
|
714
|
return this.printSQL(true, parameterValues);
|
715
|
}
|
716
|
|
717
|
/**
|
718
|
* Compare two query terms to see if they have same search value.
|
719
|
* @param term
|
720
|
* @return
|
721
|
*/
|
722
|
public boolean hasSameSearchValue(QueryTerm term)
|
723
|
{
|
724
|
boolean same = false;
|
725
|
if (term != null)
|
726
|
{
|
727
|
String searchValue = term.getValue();
|
728
|
if (searchValue != null && this.value != null)
|
729
|
{
|
730
|
if (searchValue.equalsIgnoreCase(this.value))
|
731
|
{
|
732
|
if (this.getSearchMode().equals(term.getSearchMode())) {
|
733
|
same = true;
|
734
|
}
|
735
|
}
|
736
|
}
|
737
|
}
|
738
|
return same;
|
739
|
}
|
740
|
}
|