[7403] | 1 | /*
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| 2 | * MGPassesWrapper.java
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| 3 | * Copyright (C) 2002 New Zealand Digital Library, http://www.nzdl.org
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| 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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| 19 | package org.greenstone.mg;
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| 20 |
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| 21 |
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| 22 | /** java wrapper class for access to mg_passes in C
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| 23 | *
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| 24 | * the native side implemented in MGPassesWrapperImpl.c
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| 25 | */
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| 26 |
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| 27 | public class MGPassesWrapper
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| 28 | {
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| 29 | static {
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| 30 | System.loadLibrary("mgpassjni");
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| 31 | initIDs();
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| 32 | }
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| 33 |
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| 34 | private final char END_OF_DOCUMENT = (char) 2;
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| 35 |
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| 36 | public MGPassesWrapper() {
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| 37 | initCSide();
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| 38 | }
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| 39 |
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| 40 | /** initialises field and method IDs for java side to enable access on C side */
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| 41 | private static native void initIDs();
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| 42 |
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| 43 | /** initialises any C side stuff */
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| 44 | private native boolean initCSide();
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| 45 |
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| 46 | /** initialise the pass through the documents */
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| 47 | public native boolean init();
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| 48 |
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| 49 | /** add a pass declaration */
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| 50 | public native void addPass(char pass_type, char pass_num);
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| 51 |
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| 52 | /** set the file paths */
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[7440] | 53 | public native void setPath(String filename);
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| 54 | /** set the file paths */
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[7403] | 55 | public native void setPaths(String base_path, String filename);
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| 56 |
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| 57 | public native void setStemOptions(String stemmer_type, int stem_method);
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| 58 |
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| 59 | public native void setInvfLevel(char level);
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| 60 |
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| 61 |
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| 62 | /** process a Greenstone document, which may consist of many MG documents (seeparated by ^B */
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| 63 | public boolean processDocument(String docs_text) {
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| 64 | String [] docs = docs_text.split(String.valueOf(END_OF_DOCUMENT));
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[7440] | 65 | System.err.println("num docs split into "+docs.length);
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[7403] | 66 | for (int i=0; i<docs.length; i++) {
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| 67 | try {
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| 68 | processMGDocument(docs[i].getBytes("UTF-8"));
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| 69 | } catch (Exception e) {
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| 70 | e.printStackTrace();
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| 71 | }
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| 72 | }
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| 73 | return true;
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| 74 | }
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| 75 | /** process a MG document */
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| 76 | public native boolean processMGDocument(byte[] text);
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| 77 |
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| 78 | /** finalise the pass through the documents */
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| 79 | public native boolean finish();
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| 80 | }
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