1 | #ifdef __WIN32__
|
---|
2 | #include <WIN32cfg.h>
|
---|
3 | #include <strstream>
|
---|
4 | #else
|
---|
5 | #include <iostream.h>
|
---|
6 | #include <strstream.h>
|
---|
7 | #endif
|
---|
8 |
|
---|
9 | #include <jni.h>
|
---|
10 | #include "org_greenstone_mgpp_MGPPWrapper.h"
|
---|
11 | #include "MGPPWrapperImpl.h"
|
---|
12 | #include "TextGet.h"
|
---|
13 | #include "GSDLQueryParser.h"
|
---|
14 | #include "MGQuery.h"
|
---|
15 |
|
---|
16 | MGPPWrapperData::MGPPWrapperData() {
|
---|
17 | indexData = new IndexData();
|
---|
18 | queryInfo = new QueryInfo();
|
---|
19 |
|
---|
20 | if (queryInfo==NULL) {
|
---|
21 | cerr<<"couldn't allocate new query info\n";
|
---|
22 | if (indexData!=NULL) {
|
---|
23 | delete indexData;
|
---|
24 | }
|
---|
25 | }
|
---|
26 |
|
---|
27 | // set all the default params
|
---|
28 | SetCStr(queryInfo->docLevel, "Document"); // the level to search at
|
---|
29 | queryInfo->maxDocs = 50;
|
---|
30 | queryInfo->sortByRank = true;
|
---|
31 | queryInfo->exactWeights = false;
|
---|
32 | queryInfo->needRankInfo = true;
|
---|
33 | queryInfo->needTermFreqs = true;
|
---|
34 |
|
---|
35 | UCArrayClear(level);
|
---|
36 | SetCStr(level, "Document"); // the level to return docs at
|
---|
37 | defaultStemMethod=0;
|
---|
38 | defaultBoolCombine=0;
|
---|
39 |
|
---|
40 | }
|
---|
41 |
|
---|
42 | MGPPWrapperData::~MGPPWrapperData() {
|
---|
43 | if (indexData !=NULL) {
|
---|
44 | delete indexData;
|
---|
45 | }
|
---|
46 | if (queryInfo !=NULL) {
|
---|
47 | delete queryInfo;
|
---|
48 | }
|
---|
49 | }
|
---|
50 |
|
---|
51 | // ********************************************
|
---|
52 | // initialisation stuff
|
---|
53 | // ********************************************
|
---|
54 |
|
---|
55 | // cached ids for java stuff
|
---|
56 | jfieldID FID_mgpp_data = NULL; // MGPPWrapperData
|
---|
57 | jfieldID FID_query_result = NULL; // MGPPQueryResult
|
---|
58 | jmethodID MID_addDoc=NULL; // MGPPQueryResult.addDoc()
|
---|
59 | jmethodID MID_addTerm=NULL; // MGPPQueryResult.addTerm()
|
---|
60 | jmethodID MID_setTotalDocs=NULL; // MGPPQueryResult.setTotalDocs()
|
---|
61 | jmethodID MID_clearResult=NULL; //MGPPQueryResult.clear()
|
---|
62 | jmethodID MID_setSyntaxError=NULL; // MGPPQueryResult.setSyntaxError()
|
---|
63 | jclass CID_String=NULL; // class ID of String
|
---|
64 |
|
---|
65 | /* to access objects and methods on java side, need their field/method ids -
|
---|
66 | this initialises them at the start to avoid recalculating them each time they
|
---|
67 | are needed
|
---|
68 | Note: the descriptors need to be exactly right, otherwise you get an error
|
---|
69 | saying "no such field" but no reference to the fact that it has the right
|
---|
70 | name but the wrong type.
|
---|
71 | Note: apparently the jclass is a local ref and should only work
|
---|
72 | in the method that created it. It seems to work ok, but I'll make it
|
---|
73 | global cos the book said I should, and it may avoid future hassles.
|
---|
74 | */
|
---|
75 | JNIEXPORT void JNICALL
|
---|
76 | Java_org_greenstone_mgpp_MGPPWrapper_initIDs (JNIEnv *j_env, jclass j_cls) {
|
---|
77 |
|
---|
78 | FID_mgpp_data = j_env->GetFieldID(j_cls, "mgpp_data_ptr_", "J"); //a long-"J"
|
---|
79 | if (FID_mgpp_data==NULL) {
|
---|
80 | cerr <<"MGPP JNI: field mgpp_data_ptr_ not found"<<endl;
|
---|
81 | }
|
---|
82 |
|
---|
83 | FID_query_result = j_env->GetFieldID(j_cls, "mgpp_query_result_", "Lorg/greenstone/mgpp/MGPPQueryResult;"); // an object -"L<class name>;"
|
---|
84 | if (FID_query_result==NULL) {
|
---|
85 | cerr <<"MGPP JNI: field mgpp_query_result_ not found"<<endl;
|
---|
86 | }
|
---|
87 | // the methods we want to use
|
---|
88 |
|
---|
89 | // addDoc(long doc, float rank)
|
---|
90 | jclass JC_MGPPQueryResult = j_env->FindClass("org/greenstone/mgpp/MGPPQueryResult");
|
---|
91 | MID_addDoc = j_env->GetMethodID(JC_MGPPQueryResult, "addDoc", "(JF)V");
|
---|
92 | if (MID_addDoc==NULL) {
|
---|
93 | cerr <<"MGPP JNI: addDoc method not found"<<endl;
|
---|
94 | }
|
---|
95 | // addTerm(String term, String tag, int stem_method, long match_docs,
|
---|
96 | // long term_freq, String[] equiv_terms)
|
---|
97 | MID_addTerm = j_env->GetMethodID(JC_MGPPQueryResult, "addTerm", "(Ljava/lang/String;Ljava/lang/String;IJJ[Ljava/lang/String;)V");
|
---|
98 | if (MID_addTerm==NULL) {
|
---|
99 | cerr <<"MGPP JNI: method addTerm not found"<<endl;
|
---|
100 | }
|
---|
101 |
|
---|
102 | // setTotalDocs(long)
|
---|
103 | MID_setTotalDocs = j_env->GetMethodID(JC_MGPPQueryResult, "setTotalDocs", "(J)V");
|
---|
104 | if (MID_setTotalDocs==NULL) {
|
---|
105 | cerr <<"MGPP JNI: method setTotalDocs not found"<<endl;
|
---|
106 | }
|
---|
107 |
|
---|
108 | MID_clearResult = j_env->GetMethodID(JC_MGPPQueryResult, "clear", "()V");
|
---|
109 | if (MID_clearResult==NULL) {
|
---|
110 | cerr <<"MGPP JNI: method clear not found"<<endl;
|
---|
111 | }
|
---|
112 | MID_setSyntaxError = j_env->GetMethodID(JC_MGPPQueryResult, "setSyntaxError", "(Z)V");
|
---|
113 | if (MID_clearResult==NULL) {
|
---|
114 | cerr <<"MGPP JNI: method setSyntaxError not found"<<endl;
|
---|
115 | }
|
---|
116 |
|
---|
117 | // get the class for String to use in NewObjectArray in runQuery()
|
---|
118 | // FindClass returns a local reference - have to convert it to a global one
|
---|
119 | jclass local_CID_String = j_env->FindClass("java/lang/String");
|
---|
120 | if (local_CID_String==NULL) {
|
---|
121 | cerr <<"MGPP JNI: java String class not found"<<endl;
|
---|
122 | } else {
|
---|
123 | /* create a global ref */
|
---|
124 | CID_String = (jclass)j_env->NewGlobalRef(local_CID_String);
|
---|
125 | /* The local reference is no longer useful */
|
---|
126 | j_env->DeleteLocalRef(local_CID_String);
|
---|
127 |
|
---|
128 | /* Is the global reference created successfully? */
|
---|
129 | if (CID_String == NULL) {
|
---|
130 | return; /* out of memory exception thrown */
|
---|
131 | }
|
---|
132 | }
|
---|
133 |
|
---|
134 | }
|
---|
135 |
|
---|
136 | /* the java side MGPPWrapper has a pointer to a C++ object - MGPPWrapperData
|
---|
137 | initialise this and set the pointer
|
---|
138 | */
|
---|
139 | JNIEXPORT jboolean JNICALL
|
---|
140 | Java_org_greenstone_mgpp_MGPPWrapper_initCppSide (JNIEnv *j_env, jobject j_obj){
|
---|
141 |
|
---|
142 | MGPPWrapperData * data = new MGPPWrapperData();
|
---|
143 | j_env->SetIntField(j_obj, FID_mgpp_data, (long)data);
|
---|
144 |
|
---|
145 | return true;
|
---|
146 |
|
---|
147 | }
|
---|
148 |
|
---|
149 | //****************************************************
|
---|
150 | // retrieve a document
|
---|
151 | //****************************************************
|
---|
152 |
|
---|
153 | /* returns a document from mgpp as a string
|
---|
154 | Note: TextData isn't cached - just reloaded each time
|
---|
155 | */
|
---|
156 | JNIEXPORT jstring JNICALL
|
---|
157 | Java_org_greenstone_mgpp_MGPPWrapper_getDocument (JNIEnv *j_env,
|
---|
158 | jobject j_obj, jstring j_text_name, jstring j_level, jlong j_docnum) {
|
---|
159 |
|
---|
160 | #ifdef __WIN32__
|
---|
161 | const char* base_dir = "";
|
---|
162 | #else
|
---|
163 | const char* base_dir = "/";
|
---|
164 | #endif
|
---|
165 |
|
---|
166 | const char * text_name = j_env->GetStringUTFChars(j_text_name, NULL);
|
---|
167 | if (text_name==NULL) {
|
---|
168 | return NULL;
|
---|
169 | }
|
---|
170 |
|
---|
171 | const char * level = j_env->GetStringUTFChars( j_level, NULL);
|
---|
172 | if (level==NULL) {
|
---|
173 | j_env->ReleaseStringUTFChars(j_text_name, text_name);
|
---|
174 | return NULL;
|
---|
175 | }
|
---|
176 |
|
---|
177 | // does this work alright? j_docnum is a long (64 bit)
|
---|
178 | unsigned long docnum = j_docnum;
|
---|
179 | TextData td;
|
---|
180 |
|
---|
181 | // cast to char* otherwise complains about const
|
---|
182 | td.LoadData((char *)base_dir, (char *)text_name);
|
---|
183 |
|
---|
184 | UCArray mg_level;
|
---|
185 | SetCStr(mg_level, level);
|
---|
186 | UCArray docText;
|
---|
187 | docText.clear();
|
---|
188 | // get the actual text
|
---|
189 | if (!GetDocText(td, mg_level, docnum, docText)) {
|
---|
190 | cerr <<"MGPP JNI: couldn't retrieve doc text"<<endl;
|
---|
191 | }
|
---|
192 |
|
---|
193 | td.UnloadData();
|
---|
194 |
|
---|
195 | char * doc = GetCStr(docText); // do I need to free this char *??
|
---|
196 | jstring result = j_env->NewStringUTF(doc);
|
---|
197 | // release any gets
|
---|
198 | j_env->ReleaseStringUTFChars(j_text_name, text_name);
|
---|
199 | j_env->ReleaseStringUTFChars(j_level, level);
|
---|
200 |
|
---|
201 | // free any C++ stuff
|
---|
202 | delete doc;
|
---|
203 |
|
---|
204 | return result;
|
---|
205 |
|
---|
206 | }
|
---|
207 |
|
---|
208 | //******************************************
|
---|
209 | // do a query
|
---|
210 | // ****************************************
|
---|
211 |
|
---|
212 | /* load the IndexData - cached for querying
|
---|
213 | */
|
---|
214 | JNIEXPORT jboolean JNICALL
|
---|
215 | Java_org_greenstone_mgpp_MGPPWrapper_loadIndexData (JNIEnv *j_env, jobject j_obj, jstring j_index_name) {
|
---|
216 |
|
---|
217 | jint data_ptr = j_env->GetIntField(j_obj, FID_mgpp_data);
|
---|
218 | MGPPWrapperData * data = (MGPPWrapperData *)data_ptr;
|
---|
219 |
|
---|
220 | #ifdef __WIN32__
|
---|
221 | const char* base_dir = "";
|
---|
222 | #else
|
---|
223 | const char* base_dir = "/";
|
---|
224 | #endif
|
---|
225 |
|
---|
226 | const char * index_name = j_env->GetStringUTFChars( j_index_name, NULL);
|
---|
227 | if (index_name==NULL) {
|
---|
228 | return false;
|
---|
229 | }
|
---|
230 |
|
---|
231 | jboolean j_result=false;
|
---|
232 |
|
---|
233 | // why doesn't this complain about const??
|
---|
234 | if (data->indexData->LoadData(base_dir, index_name)) {
|
---|
235 | j_result=true;
|
---|
236 | }
|
---|
237 |
|
---|
238 | // release any gets
|
---|
239 | j_env->ReleaseStringUTFChars(j_index_name, index_name);
|
---|
240 |
|
---|
241 | return j_result;
|
---|
242 | }
|
---|
243 |
|
---|
244 | /* unload the data
|
---|
245 | */
|
---|
246 | JNIEXPORT jboolean JNICALL
|
---|
247 | Java_org_greenstone_mgpp_MGPPWrapper_unloadIndexData (JNIEnv *j_env, jobject j_obj) {
|
---|
248 |
|
---|
249 | jint data_ptr = j_env->GetIntField(j_obj, FID_mgpp_data);
|
---|
250 | MGPPWrapperData * data = (MGPPWrapperData *)data_ptr;
|
---|
251 |
|
---|
252 | data->indexData->UnloadData();
|
---|
253 | return true;
|
---|
254 |
|
---|
255 | }
|
---|
256 |
|
---|
257 | /* do the actual query - the results are written to query_result held on the
|
---|
258 | java side */
|
---|
259 | JNIEXPORT void JNICALL
|
---|
260 | Java_org_greenstone_mgpp_MGPPWrapper_runQuery (JNIEnv *j_env, jobject j_obj, jstring j_query){
|
---|
261 |
|
---|
262 | jthrowable exc; // an exception - check if something funny has happened
|
---|
263 | const char *query = j_env->GetStringUTFChars(j_query, NULL);
|
---|
264 | if (query==NULL) {
|
---|
265 | return; // exception already thrown
|
---|
266 | }
|
---|
267 | // turn to UCArray for mgpp and then release the string
|
---|
268 | UCArray queryArray;
|
---|
269 | SetCStr(queryArray, query);
|
---|
270 | j_env->ReleaseStringUTFChars(j_query, query);
|
---|
271 |
|
---|
272 | // the query data
|
---|
273 | MGPPWrapperData * data = (MGPPWrapperData *)j_env->GetIntField(j_obj, FID_mgpp_data);
|
---|
274 |
|
---|
275 | // the result to write to
|
---|
276 | jobject result_ptr = j_env->GetObjectField(j_obj, FID_query_result);
|
---|
277 | if (result_ptr==NULL) {
|
---|
278 | cerr <<"couldn't access the result to write to"<<endl;
|
---|
279 | return;
|
---|
280 | }
|
---|
281 |
|
---|
282 | // clear the result
|
---|
283 | j_env->CallVoidMethod(result_ptr, MID_clearResult);
|
---|
284 | exc = j_env->ExceptionOccurred(); // this catches teh exception I think - it
|
---|
285 | //wont be thrown any further
|
---|
286 | if (exc) {
|
---|
287 | j_env->ExceptionDescribe();
|
---|
288 | return;
|
---|
289 | }
|
---|
290 | // the mgpp QueryResult that we will use
|
---|
291 | ExtQueryResult queryResult;
|
---|
292 |
|
---|
293 | QueryNode * queryTree = NULL;
|
---|
294 | // parse the query string into a tree structure
|
---|
295 | queryTree = ParseQuery(queryArray, data->defaultBoolCombine,
|
---|
296 | data->defaultStemMethod);
|
---|
297 | if (queryTree == NULL) {
|
---|
298 | // invalid syntax
|
---|
299 | j_env->CallVoidMethod(result_ptr, MID_setSyntaxError, true);
|
---|
300 | cerr << "MGPPWrapperImpl: invalid query syntax!!\n";
|
---|
301 | return;
|
---|
302 | }
|
---|
303 | // print the query
|
---|
304 | PrintNode (cout, queryTree);
|
---|
305 | // finally, do the query
|
---|
306 | MGQuery(*(data->indexData), *(data->queryInfo), queryTree, queryResult, data->level);
|
---|
307 |
|
---|
308 | delete queryTree;
|
---|
309 |
|
---|
310 | // convert queryResult to the java side version
|
---|
311 | // use levels rather than docs of ExtQueryResult
|
---|
312 | // CallVoidMethod(obj, method id, args to method)
|
---|
313 | for (int i=0; i<queryResult.levels.size(); i++) {
|
---|
314 | jlong doc = queryResult.levels[i];
|
---|
315 | jfloat rank = queryResult.ranks[i];
|
---|
316 | j_env->CallVoidMethod(result_ptr, MID_addDoc, doc, rank);
|
---|
317 | exc = j_env->ExceptionOccurred();
|
---|
318 | if (exc) {
|
---|
319 | j_env->ExceptionDescribe();
|
---|
320 | return;
|
---|
321 | }
|
---|
322 |
|
---|
323 | }
|
---|
324 |
|
---|
325 | // actual num of docs
|
---|
326 | jlong total = queryResult.actualNumDocs;
|
---|
327 | j_env->CallVoidMethod(result_ptr, MID_setTotalDocs, total);
|
---|
328 | exc = j_env->ExceptionOccurred();
|
---|
329 | if (exc) {
|
---|
330 | j_env->ExceptionDescribe();
|
---|
331 | return;
|
---|
332 | }
|
---|
333 |
|
---|
334 | // the terms
|
---|
335 | for (int j=0; j<queryResult.termFreqs.size(); j++) {
|
---|
336 |
|
---|
337 | TermFreqData tf = queryResult.termFreqs[j];
|
---|
338 | jstring term = j_env->NewStringUTF(GetCStr(tf.term));
|
---|
339 | jstring tag = j_env->NewStringUTF(GetCStr(tf.tag));
|
---|
340 | jint stem = tf.stemMethod;
|
---|
341 | jlong match = tf.matchDocs;
|
---|
342 | jlong freq = tf.termFreq;
|
---|
343 |
|
---|
344 | jobjectArray equivs=NULL;
|
---|
345 | jstring empty = j_env->NewStringUTF(""); // the initial object to fill the array
|
---|
346 | jint num_equivs = tf.equivTerms.size();
|
---|
347 | equivs = j_env->NewObjectArray(num_equivs, CID_String, empty);
|
---|
348 | if (equivs==NULL) {
|
---|
349 | cerr<<"couldn't create object array"<<endl;
|
---|
350 |
|
---|
351 | } else {
|
---|
352 | for (int k=0; k<num_equivs;k++) {
|
---|
353 | jstring equiv = j_env->NewStringUTF(GetCStr(tf.equivTerms[k]));
|
---|
354 | j_env->SetObjectArrayElement(equivs, k, equiv);
|
---|
355 | }
|
---|
356 |
|
---|
357 |
|
---|
358 | j_env->CallVoidMethod(result_ptr, MID_addTerm, term, tag, stem, match, freq, equivs);
|
---|
359 | exc = j_env->ExceptionOccurred();
|
---|
360 | if (exc) {
|
---|
361 | j_env->ExceptionDescribe();
|
---|
362 | return;
|
---|
363 | }
|
---|
364 | }
|
---|
365 | }
|
---|
366 |
|
---|
367 |
|
---|
368 | }
|
---|
369 |
|
---|
370 | JNIEXPORT void JNICALL
|
---|
371 | Java_org_greenstone_mgpp_MGPPWrapper_setStem (JNIEnv *j_env,
|
---|
372 | jobject j_obj,
|
---|
373 | jboolean j_on) {
|
---|
374 | MGPPWrapperData * data = (MGPPWrapperData *)j_env->GetIntField(j_obj, FID_mgpp_data);
|
---|
375 | if (j_on) {
|
---|
376 | data->defaultStemMethod |= 2;
|
---|
377 | } else {
|
---|
378 | data->defaultStemMethod &= 0xd;
|
---|
379 | }
|
---|
380 |
|
---|
381 | }
|
---|
382 |
|
---|
383 | JNIEXPORT void JNICALL
|
---|
384 | Java_org_greenstone_mgpp_MGPPWrapper_setCase (JNIEnv *j_env,
|
---|
385 | jobject j_obj,
|
---|
386 | jboolean j_on) {
|
---|
387 | MGPPWrapperData * data = (MGPPWrapperData *)j_env->GetIntField(j_obj, FID_mgpp_data);
|
---|
388 |
|
---|
389 | if (j_on) {
|
---|
390 | data->defaultStemMethod |= 1;
|
---|
391 | } else {
|
---|
392 | data->defaultStemMethod &= 0xe;
|
---|
393 | }
|
---|
394 | }
|
---|
395 |
|
---|
396 | JNIEXPORT void JNICALL
|
---|
397 | Java_org_greenstone_mgpp_MGPPWrapper_setMaxDocs (JNIEnv *j_env,
|
---|
398 | jobject j_obj,
|
---|
399 | jint j_max) {
|
---|
400 | MGPPWrapperData * data = (MGPPWrapperData *)j_env->GetIntField(j_obj, FID_mgpp_data);
|
---|
401 | data->queryInfo->maxDocs=j_max;
|
---|
402 | }
|
---|
403 |
|
---|
404 | JNIEXPORT void JNICALL
|
---|
405 | Java_org_greenstone_mgpp_MGPPWrapper_setSortByRank (JNIEnv *j_env,
|
---|
406 | jobject j_obj,
|
---|
407 | jboolean j_on) {
|
---|
408 | MGPPWrapperData * data = (MGPPWrapperData *)j_env->GetIntField(j_obj, FID_mgpp_data);
|
---|
409 |
|
---|
410 | data->queryInfo->sortByRank=j_on;
|
---|
411 | }
|
---|
412 |
|
---|
413 | JNIEXPORT void JNICALL
|
---|
414 | Java_org_greenstone_mgpp_MGPPWrapper_setReturnTerms(JNIEnv *j_env,
|
---|
415 | jobject j_obj,
|
---|
416 | jboolean j_on) {
|
---|
417 | MGPPWrapperData * data = (MGPPWrapperData *)j_env->GetIntField(j_obj, FID_mgpp_data);
|
---|
418 | data->queryInfo->needTermFreqs = j_on;
|
---|
419 |
|
---|
420 | }
|
---|
421 |
|
---|
422 | JNIEXPORT void JNICALL
|
---|
423 | Java_org_greenstone_mgpp_MGPPWrapper_setQueryLevel(JNIEnv *j_env,
|
---|
424 | jobject j_obj,
|
---|
425 | jstring j_level){
|
---|
426 |
|
---|
427 | MGPPWrapperData * data = (MGPPWrapperData *)j_env->GetIntField(j_obj, FID_mgpp_data);
|
---|
428 |
|
---|
429 | const char * level = j_env->GetStringUTFChars(j_level, NULL);
|
---|
430 | if (level==NULL) {
|
---|
431 | return; // exception already thrown
|
---|
432 | }
|
---|
433 |
|
---|
434 | data->queryInfo->docLevel.clear();
|
---|
435 | SetCStr(data->queryInfo->docLevel, level);
|
---|
436 |
|
---|
437 | // release the java stuff
|
---|
438 | j_env->ReleaseStringUTFChars(j_level, level);
|
---|
439 |
|
---|
440 | }
|
---|
441 |
|
---|
442 | JNIEXPORT void JNICALL
|
---|
443 | Java_org_greenstone_mgpp_MGPPWrapper_setReturnLevel(JNIEnv *j_env,
|
---|
444 | jobject j_obj,
|
---|
445 | jstring j_level){
|
---|
446 |
|
---|
447 | MGPPWrapperData * data = (MGPPWrapperData *)j_env->GetIntField(j_obj, FID_mgpp_data);
|
---|
448 |
|
---|
449 | const char * level = j_env->GetStringUTFChars(j_level, NULL);
|
---|
450 | if (level==NULL) {
|
---|
451 | return; // exception already thrown
|
---|
452 | }
|
---|
453 |
|
---|
454 | data->level.clear();
|
---|
455 | SetCStr(data->level, level);
|
---|
456 |
|
---|
457 | // release the java stuff
|
---|
458 | j_env->ReleaseStringUTFChars(j_level, level);
|
---|
459 |
|
---|
460 |
|
---|
461 | }
|
---|
462 |
|
---|
463 | JNIEXPORT void JNICALL
|
---|
464 | Java_org_greenstone_mgpp_MGPPWrapper_setMatchMode (JNIEnv *j_env,
|
---|
465 | jobject j_obj,
|
---|
466 | jint j_mode){
|
---|
467 |
|
---|
468 | MGPPWrapperData * data = (MGPPWrapperData *)j_env->GetIntField(j_obj, FID_mgpp_data);
|
---|
469 | data->defaultBoolCombine=j_mode;
|
---|
470 |
|
---|
471 | }
|
---|
472 |
|
---|
473 | JNIEXPORT jstring JNICALL
|
---|
474 | Java_org_greenstone_mgpp_MGPPWrapper_getQueryParams (JNIEnv *j_env,
|
---|
475 | jobject j_obj){
|
---|
476 |
|
---|
477 | MGPPWrapperData * data = (MGPPWrapperData *)j_env->GetIntField(j_obj, FID_mgpp_data);
|
---|
478 |
|
---|
479 | // print the data to an output string stream, then convert to char*, then to
|
---|
480 | //jstring
|
---|
481 |
|
---|
482 | ostrstream output;
|
---|
483 | output << "Query params:"<<endl
|
---|
484 | // need to change this to use platform specific separator for niceness
|
---|
485 | << "index\t\t"<<data->indexData->basePath<<"/"<<data->indexData->filename<<endl
|
---|
486 | <<"search level\t"<<GetCStr(data->queryInfo->docLevel)<<endl
|
---|
487 | <<"result level\t"<<GetCStr(data->level)<<endl
|
---|
488 | <<"casefold\t"<<(data->defaultStemMethod&1)<<endl
|
---|
489 | <<"stem\t\t"<<(data->defaultStemMethod&2)<<endl
|
---|
490 | <<"order by rank\t"<<data->queryInfo->sortByRank<<endl
|
---|
491 | <<"query type\t"<<(data->defaultBoolCombine==1?"all":"some")<<endl
|
---|
492 | <<"max docs\t"<<data->queryInfo->maxDocs<<endl<<ends;
|
---|
493 |
|
---|
494 | char *result = output.str();
|
---|
495 | jstring j_result = j_env->NewStringUTF(result);
|
---|
496 | delete result;
|
---|
497 | return j_result;
|
---|
498 | }
|
---|