[14463] | 1 | /*
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| 2 | * MGPPRetrieveWrapperImpl.c
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[16349] | 3 | * Copyright (C) 2007 New Zealand Digital Library, http://www.nzdl.org
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[14463] | 4 | *
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| 5 | * This program is free software; you can redistribute it and/or modify
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| 6 | * it under the terms of the GNU General Public License as published by
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| 7 | * the Free Software Foundation; either version 2 of the License, or
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| 8 | * (at your option) any later version.
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| 9 | *
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| 10 | * This program is distributed in the hope that it will be useful,
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| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 13 | * GNU General Public License for more details.
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| 14 | *
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| 15 | * You should have received a copy of the GNU General Public License
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| 16 | * along with this program; if not, write to the Free Software
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| 17 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 18 | */
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[16349] | 19 |
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[14463] | 20 | #ifdef __WIN32__
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[14910] | 21 | #include <win32cfg.h>
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[14463] | 22 | #endif
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| 23 |
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| 24 | #include <jni.h>
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| 25 | #include "org_greenstone_mgpp_MGPPRetrieveWrapper.h"
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| 26 | #include "TextGet.h"
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| 27 |
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| 28 |
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| 29 | //****************************************************
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| 30 | // retrieve a document
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| 31 | //****************************************************
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| 32 |
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| 33 | /* returns a document from mgpp as a string
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| 34 | Note: TextData isn't cached - just reloaded each time
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| 35 | */
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| 36 | JNIEXPORT jstring JNICALL
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| 37 | Java_org_greenstone_mgpp_MGPPRetrieveWrapper_getDocument (JNIEnv *j_env,
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| 38 | jobject j_obj, jstring j_text_name, jstring j_level, jlong j_docnum) {
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| 39 |
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| 40 | #ifdef __WIN32__
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| 41 | const char* base_dir = "";
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| 42 | #else
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| 43 | const char* base_dir = "/";
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| 44 | #endif
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| 45 |
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| 46 | const char * text_name = j_env->GetStringUTFChars(j_text_name, NULL);
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| 47 | if (text_name==NULL) {
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| 48 | return NULL;
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| 49 | }
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| 50 |
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| 51 | const char * level = j_env->GetStringUTFChars( j_level, NULL);
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| 52 | if (level==NULL) {
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| 53 | j_env->ReleaseStringUTFChars(j_text_name, text_name);
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| 54 | return NULL;
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| 55 | }
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| 56 |
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| 57 | // does this work alright? j_docnum is a long (64 bit)
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| 58 | unsigned long docnum = j_docnum;
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| 59 | TextData td;
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| 60 |
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| 61 | // cast to char* otherwise complains about const
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| 62 | td.LoadData((char *)base_dir, (char *)text_name);
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| 63 |
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| 64 | UCArray mg_level;
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| 65 | SetCStr(mg_level, level);
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| 66 | UCArray docText;
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| 67 | docText.clear();
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| 68 | // get the actual text
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| 69 | if (!GetDocText(td, mg_level, docnum, docText)) {
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| 70 | cerr <<"MGPP JNI: couldn't retrieve doc text"<<endl;
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| 71 | }
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| 72 |
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| 73 | td.UnloadData();
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| 74 |
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[16349] | 75 | char * doc = GetCStr(docText);
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[14463] | 76 | jstring result = j_env->NewStringUTF(doc);
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| 77 | // release any gets
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| 78 | j_env->ReleaseStringUTFChars(j_text_name, text_name);
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| 79 | j_env->ReleaseStringUTFChars(j_level, level);
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| 80 |
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| 81 | // free any C++ stuff
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| 82 | delete doc;
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| 83 |
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| 84 | return result;
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| 85 |
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| 86 | }
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