[6304] | 1 | /*
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| 2 | * GS3Retrieve.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.gsdl3.service;
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| 20 |
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| 21 |
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| 22 | // Greenstone classes
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| 23 | import org.greenstone.gdbm.*;
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| 24 | import org.greenstone.gsdl3.util.*;
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| 25 |
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| 26 | // XML classes
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| 27 | import org.w3c.dom.Document;
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| 28 | import org.w3c.dom.Element;
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| 29 | import org.w3c.dom.NodeList;
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| 30 |
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| 31 | // General Java classes
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| 32 | import java.io.File;
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| 33 | import java.util.StringTokenizer;
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| 34 | import java.util.Vector;
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| 35 | import java.util.Set;
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| 36 | import java.util.Iterator;
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[6358] | 37 | import java.util.ArrayList;
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[6304] | 38 |
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| 39 | /** Implements the generic retrieval and classifier services for GS3
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| 40 | * collections.
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| 41 | *
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| 42 | * @author <a href="mailto:[email protected]">Katherine Don</a>
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| 43 | * @author <a href="mailto:[email protected]">Michael Dewsnip</a>
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| 44 | * @version $Revision: 6358 $
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| 45 | */
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| 46 |
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| 47 | public abstract class GS3Retrieve
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| 48 | extends ServiceRack {
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| 49 |
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| 50 | // the services on offer
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| 51 | // these strings must match what is found in the properties file
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| 52 | protected static final String DOCUMENT_STRUCTURE_RETRIEVE_SERVICE = "DocumentStructureRetrieve";
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| 53 | protected static final String DOCUMENT_METADATA_RETRIEVE_SERVICE = "DocumentMetadataRetrieve";
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| 54 | protected static final String DOCUMENT_CONTENT_RETRIEVE_SERVICE = "DocumentContentRetrieve";
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| 55 |
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| 56 |
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| 57 | // the browsing services - now in here, these will only be advertised if classifiers have been specified in the config file
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| 58 | private static final String CLASSIFIER_SERVICE = "ClassifierBrowse";
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| 59 | private static final String CLASSIFIER_METADATA_SERVICE = "ClassifierBrowseMetadataRetrieve";
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| 60 |
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| 61 | protected static final String STRUCT_PARAM = "structure";
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| 62 | protected static final String INFO_PARAM = "info";
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| 63 |
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| 64 | protected static final String STRUCT_ANCESTORS = "ancestors";
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| 65 | protected static final String STRUCT_PARENT = "parent";
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| 66 | protected static final String STRUCT_SIBS = "siblings";
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| 67 | protected static final String STRUCT_CHILDREN = "children";
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| 68 | protected static final String STRUCT_DESCENDS = "descendants";
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| 69 | protected static final String STRUCT_ENTIRE = "entire";
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| 70 |
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| 71 | protected static final String INFO_NUM_SIBS = "numSiblings";
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| 72 | protected static final String INFO_NUM_CHILDREN = "numChildren";
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| 73 | protected static final String INFO_SIB_POS = "siblingPosition";
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| 74 |
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| 75 | protected static final int DOCUMENT=1;
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| 76 | protected static final int CLASSIFIER=2;
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| 77 |
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| 78 | //protected GDBMWrapper gdbm_src = null;
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| 79 | protected SQLQuery database = null;
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| 80 |
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| 81 | protected Element config_info = null; // the xml from the config file
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| 82 |
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| 83 | /** constructor */
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| 84 | protected GS3Retrieve()
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| 85 | {
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| 86 | //this.gdbm_src = new GDBMWrapper();
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| 87 | this.database = new SQLQuery();
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| 88 | }
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| 89 |
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| 90 |
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| 91 | /** configure this service */
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| 92 | public boolean configure(Element info, Element extra_info)
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| 93 | {
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| 94 | System.out.println("Configuring GS3Retrieve...");
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| 95 | this.config_info = info;
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| 96 |
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| 97 | // set up short_service_info_ - for now just has name and type
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| 98 | Element dsr_service = this.doc.createElement(GSXML.SERVICE_ELEM);
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| 99 | dsr_service.setAttribute(GSXML.TYPE_ATT, GSXML.SERVICE_TYPE_RETRIEVE);
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| 100 | dsr_service.setAttribute(GSXML.NAME_ATT, DOCUMENT_STRUCTURE_RETRIEVE_SERVICE);
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| 101 | //this.short_service_info.appendChild(dsr_service);
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| 102 |
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| 103 | Element dmr_service = this.doc.createElement(GSXML.SERVICE_ELEM);
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| 104 | dmr_service.setAttribute(GSXML.TYPE_ATT, GSXML.SERVICE_TYPE_RETRIEVE);
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| 105 | dmr_service.setAttribute(GSXML.NAME_ATT, DOCUMENT_METADATA_RETRIEVE_SERVICE);
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| 106 | this.short_service_info.appendChild(dmr_service);
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| 107 |
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| 108 | Element dcr_service = this.doc.createElement(GSXML.SERVICE_ELEM);
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| 109 | dcr_service.setAttribute(GSXML.TYPE_ATT, GSXML.SERVICE_TYPE_RETRIEVE);
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| 110 | dcr_service.setAttribute(GSXML.NAME_ATT, DOCUMENT_CONTENT_RETRIEVE_SERVICE);
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| 111 | this.short_service_info.appendChild(dcr_service);
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| 112 |
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| 113 | if (!database.setDatabase(this.cluster_name)) {
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| 114 | System.err.println("GS3Search Error: Could not open SQL database!");
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| 115 | return false;
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| 116 | }
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| 117 |
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| 118 | // now do the classifier browse service
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| 119 |
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| 120 | // check that there are classifiers specified
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[6358] | 121 | Element class_list = (Element)GSXML.getChildByTagName(info, GSXML.CLASSIFIER_ELEM+GSXML.LIST_MODIFIER);
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| 122 | if (class_list == null) {
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| 123 | // no classifiers specified
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| 124 | return true;
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| 125 | }
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[6304] | 126 |
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[6358] | 127 | // get the display and format elements from the coll config file for
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| 128 | // the classifiers
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| 129 | extractExtraClassifierInfo(info, extra_info);
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[6304] | 130 |
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[6358] | 131 | this.config_info = info;
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[6304] | 132 |
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[6358] | 133 | // short_service_info_ - the browse one
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| 134 | Element cb_service = this.doc.createElement(GSXML.SERVICE_ELEM);
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| 135 | cb_service.setAttribute(GSXML.TYPE_ATT, GSXML.SERVICE_TYPE_BROWSE);
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| 136 | cb_service.setAttribute(GSXML.NAME_ATT, CLASSIFIER_SERVICE);
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| 137 | this.short_service_info.appendChild(cb_service);
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[6304] | 138 |
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[6358] | 139 | // metadata retrieval for the browsing
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| 140 | Element cbmr_service = this.doc.createElement(GSXML.SERVICE_ELEM);
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| 141 | cbmr_service.setAttribute(GSXML.TYPE_ATT, GSXML.SERVICE_TYPE_RETRIEVE);
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| 142 | cbmr_service.setAttribute(GSXML.NAME_ATT, CLASSIFIER_METADATA_SERVICE);
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| 143 | this.short_service_info.appendChild(cbmr_service);
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[6304] | 144 |
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[6358] | 145 | // the format info
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| 146 | Element cb_format_info = this.doc.createElement(GSXML.FORMAT_ELEM);
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| 147 | boolean format_found = false;
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| 148 | // add in to the description a simplified list of classifiers
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| 149 | NodeList classifiers = class_list.getElementsByTagName(GSXML.CLASSIFIER_ELEM);
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| 150 | for(int i=0; i<classifiers.getLength(); i++) {
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| 151 | Element cl = (Element)classifiers.item(i);
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| 152 | Element new_cl = (Element)this.doc.importNode(cl, false); // just import this node, not the children
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[6304] | 153 |
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[6358] | 154 | // get the format info out, and put inside a classifier element
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| 155 | Element format_cl = (Element)new_cl.cloneNode(false);
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| 156 | Element format = (Element)GSXML.getChildByTagName(cl, GSXML.FORMAT_ELEM);
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| 157 | if (format != null) {
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[6304] | 158 |
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[6358] | 159 | //copy all the children
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| 160 | NodeList elems = format.getChildNodes();
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| 161 | for (int j=0; j<elems.getLength();j++) {
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| 162 | format_cl.appendChild(this.doc.importNode(elems.item(j), true));
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| 163 | }
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| 164 | cb_format_info.appendChild(format_cl);
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| 165 | format_found = true;
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| 166 | }
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[6304] | 167 |
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| 168 |
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[6358] | 169 | }
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[6304] | 170 |
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[6358] | 171 | if (format_found) {
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| 172 | this.format_info_map.put(CLASSIFIER_SERVICE, cb_format_info);
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| 173 | }
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[6304] | 174 |
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| 175 | // look for document display format
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| 176 | String path = GSPath.appendLink(GSXML.DISPLAY_ELEM, GSXML.FORMAT_ELEM);
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| 177 | Element display_format = (Element)GSXML.getNodeByPath(extra_info, path);
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| 178 | if (display_format != null) {
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| 179 | this.format_info_map.put(DOCUMENT_CONTENT_RETRIEVE_SERVICE, this.doc.importNode(display_format, true));
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[6358] | 180 | // should we make a copy?
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[6304] | 181 | }
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| 182 | return true;
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| 183 | }
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| 184 |
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| 185 | protected Element getServiceDescription(String service_id, String lang, String subset) {
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| 186 |
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[6358] | 187 | if (service_id.equals(CLASSIFIER_SERVICE)) {
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[6304] | 188 |
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[6358] | 189 | Element class_list = (Element)GSXML.getChildByTagName(this.config_info, GSXML.CLASSIFIER_ELEM+GSXML.LIST_MODIFIER);
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| 190 | if (class_list == null) {
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| 191 | // no classifiers specified
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| 192 | return null;
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| 193 | }
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[6304] | 194 |
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[6358] | 195 | Element cb_service = this.doc.createElement(GSXML.SERVICE_ELEM);
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| 196 | cb_service.setAttribute(GSXML.TYPE_ATT, GSXML.SERVICE_TYPE_BROWSE);
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| 197 | cb_service.setAttribute(GSXML.NAME_ATT, CLASSIFIER_SERVICE);
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| 198 | cb_service.appendChild(GSXML.createDisplayTextElement(this.doc, GSXML.DISPLAY_TEXT_NAME, getTextString(CLASSIFIER_SERVICE+".name", lang)));
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| 199 | cb_service.appendChild(GSXML.createDisplayTextElement(this.doc, GSXML.DISPLAY_TEXT_DESCRIPTION, getTextString(CLASSIFIER_SERVICE+".description", lang)));
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[6304] | 200 |
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[6358] | 201 | Element cl_list = this.doc.createElement(GSXML.CLASSIFIER_ELEM+GSXML.LIST_MODIFIER);
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| 202 | cb_service.appendChild(cl_list);
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| 203 | NodeList classifiers = class_list.getElementsByTagName(GSXML.CLASSIFIER_ELEM);
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| 204 | for(int i=0; i<classifiers.getLength(); i++) {
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| 205 | Element cl = (Element)classifiers.item(i);
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| 206 | Element new_cl = (Element)this.doc.importNode(cl, false); // just import this node, not the children
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| 207 | String content = cl.getAttribute(GSXML.CLASSIFIER_CONTENT_ATT);
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| 208 | cl_list.appendChild(new_cl);
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| 209 | String text = GSXML.getDisplayText(cl,
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| 210 | GSXML.DISPLAY_TEXT_NAME,
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| 211 | lang, "en");
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| 212 | if (text == null || text.equals("")) {
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| 213 | // no display element was specified, use the metadata name
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| 214 | // for now this looks in the class properties file
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| 215 | // this needs to use a general metadata thing instead
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| 216 | text = getMetadataNameText(content+".buttonname", lang);
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| 217 | }
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| 218 | if (text == null) {
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| 219 | text = content;
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| 220 | }
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[6304] | 221 |
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[6358] | 222 | Element cl_name = GSXML.createDisplayTextElement(this.doc, GSXML.DISPLAY_TEXT_NAME, text);
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| 223 | new_cl.appendChild(cl_name);
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[6304] | 224 |
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[6358] | 225 | // description
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[6304] | 226 |
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[6358] | 227 | String meta_name = getMetadataNameText(content, lang);
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| 228 | if (meta_name==null) {
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| 229 | meta_name = content;
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| 230 | }
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| 231 | String [] array = {meta_name};
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| 232 | String description = getTextString("ClassifierBrowse.classifier_help", array, lang);
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| 233 | Element cl_desc = GSXML.createDisplayTextElement(this.doc, GSXML.DISPLAY_TEXT_DESCRIPTION, description);
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| 234 | new_cl.appendChild(cl_desc);
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[6304] | 235 |
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[6358] | 236 | }
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| 237 | return cb_service;
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| 238 | }
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[6304] | 239 |
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| 240 | // these ones are probably never called, but put them here just in case
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| 241 |
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| 242 | if (service_id.equals(CLASSIFIER_METADATA_SERVICE)) {
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| 243 |
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| 244 | Element cbmr_service = this.doc.createElement(GSXML.SERVICE_ELEM);
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| 245 | cbmr_service.setAttribute(GSXML.TYPE_ATT, GSXML.SERVICE_TYPE_RETRIEVE);
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| 246 | cbmr_service.setAttribute(GSXML.NAME_ATT, CLASSIFIER_METADATA_SERVICE);
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| 247 | return cbmr_service;
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| 248 | }
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| 249 |
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| 250 | if (service_id.equals(DOCUMENT_STRUCTURE_RETRIEVE_SERVICE)) {
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| 251 | Element dsr_service = this.doc.createElement(GSXML.SERVICE_ELEM);
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| 252 | dsr_service.setAttribute(GSXML.TYPE_ATT, GSXML.SERVICE_TYPE_RETRIEVE);
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| 253 | dsr_service.setAttribute(GSXML.NAME_ATT, DOCUMENT_STRUCTURE_RETRIEVE_SERVICE);
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| 254 | return dsr_service;
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| 255 | }
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| 256 | if (service_id.equals(DOCUMENT_METADATA_RETRIEVE_SERVICE)) {
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| 257 | Element dmr_service = this.doc.createElement(GSXML.SERVICE_ELEM);
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| 258 | dmr_service.setAttribute(GSXML.TYPE_ATT, GSXML.SERVICE_TYPE_RETRIEVE);
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| 259 | dmr_service.setAttribute(GSXML.NAME_ATT, DOCUMENT_METADATA_RETRIEVE_SERVICE);
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| 260 | return dmr_service;
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| 261 | }
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| 262 |
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| 263 | if (service_id.equals(DOCUMENT_CONTENT_RETRIEVE_SERVICE)) {
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| 264 | Element dcr_service = this.doc.createElement(GSXML.SERVICE_ELEM);
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| 265 | dcr_service.setAttribute(GSXML.TYPE_ATT, GSXML.SERVICE_TYPE_RETRIEVE);
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| 266 | dcr_service.setAttribute(GSXML.NAME_ATT, DOCUMENT_CONTENT_RETRIEVE_SERVICE);
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| 267 | return dcr_service;
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| 268 | }
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| 269 |
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| 270 | return null;
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| 271 | }
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| 272 |
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| 273 | /** this looks for any classifier specific display or format info from extra_info and adds it in to the correct place in info */
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[6358] | 274 | protected boolean extractExtraClassifierInfo(Element info, Element extra_info) {
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[6304] | 275 |
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[6358] | 276 | if (extra_info == null) {
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| 277 | return false;
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| 278 | }
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[6304] | 279 |
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[6358] | 280 | Document owner = info.getOwnerDocument();
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| 281 | // so far we have display and format elements that we need for classifiers
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| 282 | NodeList classifiers = info.getElementsByTagName(GSXML.CLASSIFIER_ELEM);
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| 283 | Element config_browse = (Element)GSXML.getChildByTagName(extra_info, GSXML.BROWSE_ELEM);
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[6304] | 284 |
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[6358] | 285 | for (int i=0; i<classifiers.getLength();i++) {
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| 286 | Element cl = (Element)classifiers.item(i);
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| 287 | String name = cl.getAttribute(GSXML.NAME_ATT);
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| 288 | Element node_extra = GSXML.getNamedElement(config_browse,
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| 289 | GSXML.CLASSIFIER_ELEM,
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| 290 | GSXML.NAME_ATT,
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| 291 | name);
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| 292 | if (node_extra == null) {
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| 293 | System.err.println("GS3REtrieve: haven't found extra info for classifier named "+name);
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| 294 | continue;
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| 295 | }
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[6304] | 296 |
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[6358] | 297 | // get the display elements if any - displayName
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| 298 | NodeList display_names = node_extra.getElementsByTagName(GSXML.DISPLAY_TEXT_ELEM);
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| 299 | if (display_names !=null) {
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| 300 | Element display = owner.createElement(GSXML.DISPLAY_ELEM);
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| 301 | for (int j=0; j<display_names.getLength(); j++) {
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| 302 | Element e = (Element)display_names.item(j);
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| 303 | cl.appendChild(owner.importNode(e, true));
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[6304] | 304 |
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[6358] | 305 | }
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| 306 | }
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[6304] | 307 |
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[6358] | 308 | // get the format element if any
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| 309 | Element format = (Element)GSXML.getChildByTagName(node_extra, GSXML.FORMAT_ELEM);
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| 310 | if (format==null) { // try a generic one that applies to all classifiers
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| 311 | format = (Element)GSXML.getChildByTagName(extra_info,
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| 312 | GSXML.FORMAT_ELEM);
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| 313 | }
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| 314 | if (format!=null) { // append to index info
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| 315 | cl.appendChild(owner.importNode(format, true));
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| 316 | }
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| 317 | } // for each classifier
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| 318 | return true;
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| 319 | }
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[6304] | 320 |
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| 321 |
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| 322 | /** parent is true if this node is definitely the parent of something,
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| 323 | * child is true is it definitely is a child of something - just for efficiency purposes */
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| 324 | protected Element createDocNode(String node_id, boolean parent, boolean child) {
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[6358] | 325 | // Element node = this.doc.createElement(GSXML.DOC_NODE_ELEM);
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| 326 | // node.setAttribute(GSXML.DOC_TYPE_ATT, "simple");
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| 327 | // node.setAttribute(GSXML.NODE_ID_ATT, node_id);
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| 328 | // return node;
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| 329 |
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| 330 | Element node;
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| 331 | if (isClassifier(node_id)) {
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| 332 | node = this.doc.createElement(GSXML.CLASS_NODE_ELEM);
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| 333 | //String childtype = info.getInfo("childtype");
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| 334 | //String orientation="";
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| 335 | //if (childtype.equals("HList")) {
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| 336 | // orientation = "horizontal";
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| 337 | //} else { // assume vertical
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| 338 | // orientation = "vertical";
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| 339 | //}
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| 340 | //node.setAttribute(GSXML.CLASS_NODE_ORIENTATION_ATT, orientation);
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| 341 | } else {
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[6304] | 342 |
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[6358] | 343 | node = this.doc.createElement(GSXML.DOC_NODE_ELEM);
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| 344 | node.setAttribute(GSXML.DOC_TYPE_ATT, "simple");
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[6304] | 345 |
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| 346 | // String top_id = OID.getTop(node_id);
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| 347 | // boolean is_top = (top_id.equals(node_id) ? true : false);
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| 348 |
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| 349 | // String children = info.getInfo("contains");
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| 350 | // boolean is_leaf = (children.equals("") ? true : false);
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| 351 |
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| 352 | // // set teh node type att
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| 353 | // if (is_top) {
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| 354 | // node.setAttribute(GSXML.NODE_TYPE_ATT, GSXML.NODE_TYPE_ROOT);
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| 355 | // } else if (is_leaf) {
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| 356 | // node.setAttribute(GSXML.NODE_TYPE_ATT, GSXML.NODE_TYPE_LEAF);
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| 357 | // } else {
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| 358 | // node.setAttribute(GSXML.NODE_TYPE_ATT, GSXML.NODE_TYPE_INTERIOR);
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| 359 | // }
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| 360 |
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| 361 | // // set teh doc type att
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| 362 | // if (is_top && is_leaf) { // a single section document
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| 363 | // node.setAttribute(GSXML.DOC_TYPE_ATT, "simple");
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| 364 |
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| 365 | // } else {
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| 366 |
|
---|
| 367 | // if (!is_top) { // we need to look at the top info
|
---|
| 368 | // info = this.gdbm_src.getInfo(top_id);
|
---|
| 369 | // }
|
---|
| 370 |
|
---|
| 371 | // String childtype = info.getInfo("childtype");
|
---|
| 372 | // if (childtype.equals("Paged")) {
|
---|
| 373 | // node.setAttribute(GSXML.DOC_TYPE_ATT, "paged");
|
---|
| 374 | // } else {
|
---|
| 375 | // node.setAttribute(GSXML.DOC_TYPE_ATT, "hierarchy");
|
---|
| 376 | // }
|
---|
| 377 | // }
|
---|
| 378 |
|
---|
[6358] | 379 | }
|
---|
| 380 | node.setAttribute(GSXML.NODE_ID_ATT, node_id);
|
---|
| 381 | return node;
|
---|
[6304] | 382 |
|
---|
[6358] | 383 | }
|
---|
[6304] | 384 | /** Returns the parent of a specified documentID, or null if none exists */
|
---|
[6358] | 385 | protected Element getParent(String doc_id)
|
---|
| 386 | {
|
---|
| 387 | String parent_id = OID.getParent(doc_id);
|
---|
| 388 | if (parent_id.equals(doc_id))
|
---|
| 389 | return null;
|
---|
[6304] | 390 |
|
---|
[6358] | 391 | return createDocNode(parent_id, true, false);
|
---|
| 392 | }
|
---|
[6304] | 393 |
|
---|
| 394 |
|
---|
| 395 | /** adds all the children of doc_id the the doc element,
|
---|
| 396 | * and if recursive=true, adds all their children as well*/
|
---|
[6358] | 397 | protected void addDescendants(Element doc, String doc_id,
|
---|
| 398 | int type, boolean recursive)
|
---|
| 399 | {
|
---|
| 400 | if (type == DOCUMENT) {
|
---|
| 401 | return;
|
---|
| 402 | }
|
---|
| 403 | if (type == CLASSIFIER) {
|
---|
| 404 | ArrayList documents = database.getClassifierDocChildren(doc_id);
|
---|
| 405 | for (int i=0; i<documents.size(); i++) {
|
---|
| 406 | String child_id = (String) documents.get(i);
|
---|
| 407 | Element child = createDocNode(child_id, false, true);
|
---|
| 408 | doc.appendChild(child);
|
---|
| 409 | }
|
---|
| 410 | ArrayList children = database.getClassifierChildren(doc_id);
|
---|
| 411 | for (int i=0; i<children.size(); i++) {
|
---|
| 412 | String child_id = (String) children.get(i);
|
---|
| 413 | Element child = createDocNode(child_id, false, true);
|
---|
| 414 | doc.appendChild(child);
|
---|
| 415 | // Apply recursively, if desired
|
---|
| 416 | if (recursive) {
|
---|
| 417 | addDescendants(child, child_id, type, recursive);
|
---|
| 418 | }
|
---|
| 419 | }
|
---|
[6304] | 420 |
|
---|
[6358] | 421 | }
|
---|
| 422 | }
|
---|
[6304] | 423 |
|
---|
[6358] | 424 | /** adds all the siblings of current_id to the parent element. */
|
---|
[6304] | 425 | // protected Element addSiblings(Element parent, String parent_id, String current_id) {
|
---|
| 426 | // Element current_node = (Element)parent.getFirstChild();
|
---|
| 427 | // if (current_node ==null) {
|
---|
| 428 | // // create a sensible error message
|
---|
| 429 | // System.err.println("GS3Retrieve Error: there should be a first child.");
|
---|
| 430 | // return null;
|
---|
| 431 | // }
|
---|
| 432 | // // remove the current child,- will add it in later in its correct place
|
---|
| 433 | // parent.removeChild(current_node);
|
---|
| 434 |
|
---|
| 435 | // // add in all the siblings,
|
---|
| 436 | // addDescendants(parent, parent_id, false);
|
---|
| 437 |
|
---|
| 438 | // // find the node that is now the current node
|
---|
| 439 | // // this assumes that the new node that was created is the same as
|
---|
| 440 | // // the old one that was removed - we may want to replace the new one
|
---|
| 441 | // // with the old one.
|
---|
| 442 | // Element new_current = GSXML.getNamedElement(parent, current_node.getNodeName(), GSXML.NODE_ID_ATT, current_id);
|
---|
| 443 | // return new_current;
|
---|
| 444 |
|
---|
| 445 | // }
|
---|
[6358] | 446 | /** Returns true if the OID specifies a leaf node, false otherwise
|
---|
| 447 | Note: this makes a request to the GDBM database so it may not be
|
---|
| 448 | a particularly cheap operation */
|
---|
[6304] | 449 | // protected boolean isLeafNode(String oid)
|
---|
| 450 | // {
|
---|
| 451 | // DBInfo info = this.gdbm_src.getInfo(oid);
|
---|
| 452 | // String children = info.getInfo("contains");
|
---|
| 453 | // return (children.equals(""));
|
---|
| 454 | // }
|
---|
| 455 |
|
---|
[6358] | 456 | // for now just use CL for classifiers - should have a type?
|
---|
| 457 | protected boolean isClassifier(String oid) {
|
---|
| 458 | if (oid.startsWith("CL")) {
|
---|
| 459 | return true;
|
---|
| 460 | }
|
---|
| 461 | return false;
|
---|
| 462 | }
|
---|
[6304] | 463 |
|
---|
| 464 | // protected Element processDocumentStructureRetrieve(Element request) {
|
---|
| 465 | // return genericStructureRetrieve(request, DOCUMENT);
|
---|
| 466 | // }
|
---|
| 467 |
|
---|
[6358] | 468 | protected Element processClassifierBrowse(Element request) {
|
---|
| 469 | return genericStructureRetrieve(request, CLASSIFIER);
|
---|
| 470 | }
|
---|
[6304] | 471 |
|
---|
[6358] | 472 | /** Retrieve the structure of a document */
|
---|
| 473 | protected Element genericStructureRetrieve(Element request, int type)
|
---|
| 474 | {
|
---|
| 475 | // Create a new (empty) result message
|
---|
| 476 | Element result = this.doc.createElement(GSXML.RESPONSE_ELEM);
|
---|
[6304] | 477 |
|
---|
[6358] | 478 | String node_name;
|
---|
| 479 | String service_name;
|
---|
| 480 | if (type==DOCUMENT) {
|
---|
| 481 | service_name = DOCUMENT_STRUCTURE_RETRIEVE_SERVICE;
|
---|
| 482 | node_name = GSXML.DOC_NODE_ELEM;
|
---|
| 483 | } else {
|
---|
| 484 | service_name = CLASSIFIER_SERVICE;
|
---|
| 485 | node_name = GSXML.CLASS_NODE_ELEM;
|
---|
| 486 | }
|
---|
[6304] | 487 |
|
---|
[6358] | 488 | result.setAttribute(GSXML.FROM_ATT, service_name);
|
---|
| 489 | result.setAttribute(GSXML.TYPE_ATT, GSXML.REQUEST_TYPE_PROCESS);
|
---|
[6304] | 490 |
|
---|
| 491 |
|
---|
[6358] | 492 | Element query_doc_list = (Element) GSXML.getChildByTagName(request, node_name+GSXML.LIST_MODIFIER);
|
---|
| 493 | if (query_doc_list == null) {
|
---|
| 494 | System.err.println("GS3Retrieve Error: DocumentStructureRetrieve request specified no doc nodes.\n");
|
---|
| 495 | return result;
|
---|
| 496 | }
|
---|
[6304] | 497 |
|
---|
[6358] | 498 | // Get the parameters of the request
|
---|
| 499 | Element param_list = (Element) GSXML.getChildByTagName(request, GSXML.PARAM_ELEM+GSXML.LIST_MODIFIER);
|
---|
| 500 | if (param_list == null) {
|
---|
| 501 | System.err.println("GS3Retrieve Error: DocumentStructureRetrieve request had no paramList.");
|
---|
| 502 | return result; // Return the empty result
|
---|
| 503 | }
|
---|
[6304] | 504 |
|
---|
[6358] | 505 | // the type of info required
|
---|
| 506 | boolean want_structure = false;
|
---|
| 507 | boolean want_info = false;
|
---|
[6304] | 508 |
|
---|
[6358] | 509 | Vector info_types=new Vector();
|
---|
| 510 | // The document structure information desired
|
---|
| 511 | boolean want_ancestors = false;
|
---|
| 512 | boolean want_parent = false;
|
---|
| 513 | boolean want_siblings = false;
|
---|
| 514 | boolean want_children = false;
|
---|
| 515 | boolean want_descendants = false;
|
---|
[6304] | 516 |
|
---|
[6358] | 517 | boolean want_entire_structure = false;
|
---|
| 518 | // Process the request parameters
|
---|
| 519 | NodeList params = param_list.getElementsByTagName(GSXML.PARAM_ELEM);
|
---|
| 520 | for (int i=0; i<params.getLength();i++) {
|
---|
[6304] | 521 |
|
---|
[6358] | 522 | Element param = (Element)params.item(i);
|
---|
| 523 | String p_name = param.getAttribute(GSXML.NAME_ATT);
|
---|
| 524 | String p_value = GSXML.getValue(param);
|
---|
| 525 | // Identify the structure information desired
|
---|
| 526 | if (p_name.equals(STRUCT_PARAM)) {
|
---|
| 527 | want_structure = true;
|
---|
[6304] | 528 |
|
---|
[6358] | 529 | // This is NOT locale sensitive
|
---|
| 530 | if (p_value.equals(STRUCT_ANCESTORS))
|
---|
| 531 | want_ancestors = true;
|
---|
| 532 | else if (p_value.equals(STRUCT_PARENT))
|
---|
| 533 | want_parent = true;
|
---|
| 534 | else if (p_value.equals(STRUCT_SIBS))
|
---|
| 535 | want_siblings = true;
|
---|
| 536 | else if (p_value.equals(STRUCT_CHILDREN))
|
---|
| 537 | want_children = true;
|
---|
| 538 | else if (p_value.equals(STRUCT_DESCENDS))
|
---|
| 539 | want_descendants = true;
|
---|
| 540 | else if (p_value.equals(STRUCT_ENTIRE))
|
---|
| 541 | want_entire_structure = true;
|
---|
| 542 | else
|
---|
| 543 | System.err.println("GS3Retrieve Warning: Unknown value \"" + p_value + "\".");
|
---|
| 544 | } else if (p_name.equals(INFO_PARAM)) {
|
---|
| 545 | want_info = true;
|
---|
| 546 | info_types.add(p_value);
|
---|
| 547 | }
|
---|
| 548 | }
|
---|
[6304] | 549 |
|
---|
[6358] | 550 | // Make sure there is no repeated information
|
---|
| 551 | if (want_ancestors)
|
---|
| 552 | want_parent = false;
|
---|
| 553 | if (want_descendants)
|
---|
| 554 | want_children = false;
|
---|
[6304] | 555 |
|
---|
| 556 |
|
---|
| 557 |
|
---|
[6358] | 558 | Element doc_list = this.doc.createElement(node_name+GSXML.LIST_MODIFIER);
|
---|
| 559 | result.appendChild(doc_list);
|
---|
[6304] | 560 |
|
---|
[6358] | 561 | // Get the documents
|
---|
| 562 | String[] doc_ids = GSXML.getAttributeValuesFromList(query_doc_list,
|
---|
| 563 | GSXML.NODE_ID_ATT);
|
---|
| 564 | for (int i = 0; i < doc_ids.length; i++) {
|
---|
| 565 | String doc_id = doc_ids[i];
|
---|
[6304] | 566 |
|
---|
[6358] | 567 | if (OID.needsTranslating(doc_id)) {
|
---|
| 568 | doc_id = translateOID(doc_id);
|
---|
| 569 | }
|
---|
[6304] | 570 |
|
---|
[6358] | 571 | // Add the document to the list
|
---|
| 572 | Element doc = this.doc.createElement(node_name);
|
---|
| 573 | doc_list.appendChild(doc);
|
---|
| 574 | doc.setAttribute(GSXML.NODE_ID_ATT, doc_id);
|
---|
[6304] | 575 |
|
---|
| 576 |
|
---|
| 577 | // if (want_info) {
|
---|
| 578 |
|
---|
| 579 | // Element info_elem = this.doc.createElement("nodeStructureInfo");
|
---|
| 580 | // doc.appendChild(info_elem);
|
---|
| 581 |
|
---|
| 582 | // for (int j=0; j<info_types.size(); j++) {
|
---|
| 583 | // String info_type = (String)info_types.get(j);
|
---|
| 584 | // Element inf = getInfo(doc_id, info_type);
|
---|
| 585 | // if (inf != null) {
|
---|
| 586 | // info_elem.appendChild(inf);
|
---|
| 587 | // }
|
---|
| 588 | // }
|
---|
| 589 | // }
|
---|
[6358] | 590 | if (want_structure) {
|
---|
| 591 | // all structure info goes into a nodeStructure elem
|
---|
| 592 | Element structure_elem = this.doc.createElement(GSXML.NODE_STRUCTURE_ELEM);
|
---|
| 593 | doc.appendChild(structure_elem);
|
---|
[6304] | 594 |
|
---|
| 595 | // if (want_entire_structure) {
|
---|
| 596 | // String top_id = OID.getTop(doc_id);
|
---|
| 597 | // Element top_node = createDocNode(top_id, true, false);
|
---|
| 598 | // addDescendants(top_node, top_id, true);
|
---|
| 599 | // structure_elem.appendChild(top_node);
|
---|
| 600 | // continue; // with the next document, we dont need to do any more here
|
---|
| 601 | // }
|
---|
| 602 |
|
---|
[6358] | 603 | // Add the requested structure information
|
---|
| 604 | Element current = createDocNode(doc_id, false, false);
|
---|
[6304] | 605 |
|
---|
[6358] | 606 | //Ancestors: continually add parent nodes until the root is reached
|
---|
| 607 | Element top_node = current; // the top node so far
|
---|
| 608 | if (want_ancestors) {
|
---|
| 609 | String current_id = doc_id;
|
---|
| 610 | while (true) {
|
---|
| 611 | Element parent = getParent(current_id);
|
---|
| 612 | if (parent == null)
|
---|
| 613 | break;
|
---|
[6304] | 614 |
|
---|
[6358] | 615 | parent.appendChild(top_node);
|
---|
| 616 | current_id = parent.getAttribute(GSXML.NODE_ID_ATT);
|
---|
| 617 | top_node = parent;
|
---|
| 618 | }
|
---|
| 619 | }
|
---|
| 620 | // Parent: get the parent of the selected node
|
---|
| 621 | if (want_parent) {
|
---|
| 622 | Element parent = getParent(doc_id);
|
---|
| 623 | if (parent != null) {
|
---|
| 624 | parent.appendChild(current);
|
---|
| 625 | top_node = parent;
|
---|
| 626 | }
|
---|
| 627 | }
|
---|
[6304] | 628 |
|
---|
| 629 |
|
---|
[6358] | 630 | // now the top node is the root of the structure
|
---|
| 631 | structure_elem.appendChild(top_node);
|
---|
[6304] | 632 |
|
---|
[6358] | 633 | //Siblings: get the other descendants of the selected node's parent
|
---|
[6304] | 634 | // if (want_siblings) {
|
---|
| 635 | // Element parent = (Element)current.getParentNode(); // this may be the structure element if there has been no request for parents or ancestors
|
---|
| 636 | // String parent_id = OID.getParent(doc_id);
|
---|
| 637 |
|
---|
| 638 | // // add siblings, - returns a pointer to the new current node
|
---|
| 639 | // current = addSiblings(parent, parent_id, doc_id);
|
---|
| 640 | // }
|
---|
| 641 |
|
---|
[6358] | 642 | // Children: get the descendants, but only one level deep
|
---|
| 643 | if (want_children)
|
---|
| 644 | addDescendants(current, doc_id, type, false);
|
---|
| 645 | // Descendants: recursively get every descendant of the selected node
|
---|
| 646 | if (want_descendants)
|
---|
| 647 | addDescendants(current, doc_id, type, true);
|
---|
| 648 | } // if want structure
|
---|
| 649 | } // for each doc
|
---|
| 650 | return result;
|
---|
| 651 | }
|
---|
[6304] | 652 |
|
---|
| 653 |
|
---|
| 654 | protected Element processDocumentMetadataRetrieve(Element request) {
|
---|
| 655 | return genericMetadataRetrieve(request, DOCUMENT);
|
---|
| 656 | }
|
---|
| 657 |
|
---|
[6358] | 658 | protected Element processClassifierBrowseMetadataRetrieve(Element request) {
|
---|
| 659 | return genericMetadataRetrieve(request, CLASSIFIER);
|
---|
| 660 | }
|
---|
[6304] | 661 |
|
---|
| 662 |
|
---|
| 663 | /** Retrieve metadata associated with a document or classifier node*/
|
---|
| 664 | protected Element genericMetadataRetrieve(Element request, int type)
|
---|
| 665 | {
|
---|
| 666 | // Create a new (empty) result message
|
---|
| 667 | Element result = this.doc.createElement(GSXML.RESPONSE_ELEM);
|
---|
| 668 |
|
---|
| 669 | String node_name;
|
---|
| 670 |
|
---|
| 671 | String service_name;
|
---|
| 672 | if (type==DOCUMENT) {
|
---|
| 673 | service_name = DOCUMENT_METADATA_RETRIEVE_SERVICE;
|
---|
| 674 | node_name = GSXML.DOC_NODE_ELEM;
|
---|
| 675 | } else {
|
---|
| 676 | service_name = CLASSIFIER_METADATA_SERVICE;
|
---|
| 677 | node_name = GSXML.CLASS_NODE_ELEM;
|
---|
| 678 | }
|
---|
| 679 | result.setAttribute(GSXML.FROM_ATT, service_name);
|
---|
| 680 | result.setAttribute(GSXML.TYPE_ATT, GSXML.REQUEST_TYPE_PROCESS);
|
---|
| 681 |
|
---|
| 682 | // Get the parameters of the request
|
---|
| 683 | Element param_list = (Element) GSXML.getChildByTagName(request, GSXML.PARAM_ELEM+GSXML.LIST_MODIFIER);
|
---|
| 684 | if (param_list == null) {
|
---|
| 685 | System.err.println("GS3Retrieve, DocumentMetadataRetrieve Error: missing paramList.\n");
|
---|
| 686 | return result; // Return the empty result
|
---|
| 687 | }
|
---|
| 688 |
|
---|
| 689 | // The metadata information required
|
---|
| 690 | Vector metadata_list = new Vector();
|
---|
| 691 | boolean all_metadata = false;
|
---|
| 692 | // Process the request parameters
|
---|
| 693 | Element param = (Element) param_list.getFirstChild();
|
---|
| 694 | while (param != null) {
|
---|
| 695 | // Identify the metadata information desired
|
---|
| 696 | if (param.getAttribute(GSXML.NAME_ATT).equals("metadata")) {
|
---|
| 697 | String metadata = GSXML.getValue(param);
|
---|
| 698 | if (metadata.equals("all")) {
|
---|
| 699 | all_metadata = true;
|
---|
| 700 | break;
|
---|
| 701 | }
|
---|
| 702 | metadata_list.add(metadata);
|
---|
| 703 | }
|
---|
| 704 | param = (Element) param.getNextSibling();
|
---|
| 705 | }
|
---|
| 706 |
|
---|
| 707 | Element node_list = this.doc.createElement(node_name+GSXML.LIST_MODIFIER);
|
---|
| 708 | result.appendChild(node_list);
|
---|
| 709 |
|
---|
| 710 | // Get the documents
|
---|
| 711 | Element request_node_list = (Element) GSXML.getChildByTagName(request, node_name+GSXML.LIST_MODIFIER);
|
---|
| 712 | if (request_node_list == null) {
|
---|
| 713 | System.err.println("Error: DocumentMetadataRetrieve request had no "+node_name+"List.\n");
|
---|
| 714 | return result;
|
---|
| 715 | }
|
---|
| 716 |
|
---|
| 717 | NodeList request_nodes = request_node_list.getChildNodes();
|
---|
| 718 | for (int i = 0; i < request_nodes.getLength(); i++) {
|
---|
| 719 | Element request_node = (Element) request_nodes.item(i);
|
---|
| 720 | String node_id = request_node.getAttribute(GSXML.NODE_ID_ATT);
|
---|
| 721 |
|
---|
| 722 | if (OID.needsTranslating(node_id)) {
|
---|
| 723 | //node_id = this.gdbm_src.translateOID(node_id);
|
---|
| 724 | node_id = translateOID(node_id);
|
---|
| 725 | }
|
---|
| 726 |
|
---|
| 727 |
|
---|
| 728 | // Add the document to the list
|
---|
| 729 | Element new_node = (Element)this.doc.importNode(request_node, false);
|
---|
| 730 | node_list.appendChild(new_node);
|
---|
| 731 |
|
---|
| 732 | // Add the requested metadata information
|
---|
| 733 | Element node_meta_list = this.doc.createElement(GSXML.METADATA_ELEM+GSXML.LIST_MODIFIER);
|
---|
| 734 | new_node.appendChild(node_meta_list);
|
---|
| 735 | //DBInfo info = this.gdbm_src.getInfo(node_id);
|
---|
| 736 | //if (info == null) {// I have had a case where it is null!
|
---|
| 737 | //continue;
|
---|
| 738 | //}
|
---|
| 739 | if (all_metadata) {
|
---|
| 740 | // return everything out of the database
|
---|
| 741 | //Set keys = info.getKeys();
|
---|
| 742 | //Iterator it = keys.iterator();
|
---|
| 743 | //while(it.hasNext()) {
|
---|
| 744 | // String key = (String)it.next();
|
---|
| 745 | // String value = info.getInfo(key);
|
---|
| 746 | // GSXML.addMetadata(this.doc, node_meta_list, key, value);
|
---|
| 747 | //}
|
---|
| 748 | } else { // just get the selected ones
|
---|
| 749 | System.out.println("getting metadata for node_id "+node_id);
|
---|
| 750 | for (int m = 0; m < metadata_list.size(); m++) {
|
---|
| 751 | String metadata = (String) metadata_list.get(m);
|
---|
| 752 | System.out.println("lookign for metadata "+metadata);
|
---|
[6358] | 753 | String value = null;
|
---|
| 754 | if (type==DOCUMENT) {
|
---|
| 755 | value = database.getDocumentMetadata(node_id, metadata);
|
---|
| 756 | } else {
|
---|
| 757 | value = database.getClassifierMetadata(node_id, metadata);
|
---|
| 758 | }
|
---|
| 759 | if (value != null) {
|
---|
| 760 | System.out.println("found value "+value);
|
---|
| 761 | GSXML.addMetadata(this.doc, node_meta_list, metadata, value);
|
---|
| 762 | }
|
---|
[6304] | 763 | }
|
---|
| 764 | }
|
---|
| 765 | }
|
---|
| 766 |
|
---|
| 767 | return result;
|
---|
| 768 | }
|
---|
| 769 |
|
---|
| 770 | // protected final char RELATION_SEP_CHAR = '_';
|
---|
| 771 | // protected final String SEPARATOR_SEP_STRING = "'";
|
---|
| 772 |
|
---|
| 773 | // protected String getMetadata(String node_id, DBInfo info,
|
---|
| 774 | // String metadata) {
|
---|
| 775 | // int pos = metadata.indexOf(RELATION_SEP_CHAR);
|
---|
| 776 | // if (pos ==-1) {
|
---|
| 777 | // return info.getInfo(metadata);
|
---|
| 778 | // }
|
---|
| 779 |
|
---|
| 780 | // String relation = metadata.substring(0, pos);
|
---|
| 781 | // if (!relation.equals("parent") && !relation.equals("root") && !relation.startsWith("ancestors") ) {
|
---|
| 782 | // // its not a valid relation
|
---|
| 783 | // return info.getInfo(metadata);
|
---|
| 784 | // }
|
---|
| 785 |
|
---|
| 786 | // String relation_id = "";
|
---|
| 787 | // if (relation.equals("root")) {
|
---|
| 788 | // relation_id = OID.getTop(node_id);
|
---|
| 789 | // } else {
|
---|
| 790 | // relation_id = OID.getParent(node_id);
|
---|
| 791 | // }
|
---|
| 792 |
|
---|
| 793 | // if (relation_id.equals(node_id)){
|
---|
| 794 | // // no parents or ancestors
|
---|
| 795 | // return "";
|
---|
| 796 | // }
|
---|
| 797 |
|
---|
| 798 | // DBInfo relation_info = this.gdbm_src.getInfo(relation_id);
|
---|
| 799 | // if (relation_info == null) {
|
---|
| 800 | // return "";
|
---|
| 801 | // }
|
---|
| 802 |
|
---|
| 803 | // String new_meta = metadata.substring(pos+1);
|
---|
| 804 | // if (relation.equals("parent") || relation.equals("root")) {
|
---|
| 805 | // return relation_info.getInfo(new_meta);
|
---|
| 806 | // }
|
---|
| 807 |
|
---|
| 808 | // // do ancestor stuff
|
---|
| 809 | // // get teh separating string
|
---|
| 810 | // String items [] = relation.split(SEPARATOR_SEP_STRING);
|
---|
| 811 | // String separator = "";
|
---|
| 812 | // if (items.length > 1) {
|
---|
| 813 | // separator = items[1];
|
---|
| 814 | // relation = items[0];
|
---|
| 815 | // }
|
---|
| 816 |
|
---|
| 817 | // StringBuffer value = new StringBuffer();
|
---|
| 818 | // value.append(relation_info.getInfo(new_meta));
|
---|
| 819 | // String current_id = relation_id;
|
---|
| 820 | // relation_id = OID.getParent(current_id);
|
---|
| 821 | // while (!relation_id.equals(current_id)) {
|
---|
| 822 | // relation_info = this.gdbm_src.getInfo(relation_id);
|
---|
| 823 | // if (relation_info == null) return value.toString();
|
---|
| 824 | // value.insert(0, separator);
|
---|
| 825 | // value.insert(0, relation_info.getInfo(new_meta));
|
---|
| 826 |
|
---|
| 827 | // current_id = relation_id;
|
---|
| 828 | // relation_id = OID.getParent(current_id);
|
---|
| 829 | // }
|
---|
| 830 |
|
---|
| 831 | // return value.toString();
|
---|
| 832 | // }
|
---|
| 833 |
|
---|
| 834 | /** Retrieve the content of a document - implemented by concrete subclasses */
|
---|
| 835 | protected abstract Element processDocumentContentRetrieve(Element request);
|
---|
| 836 |
|
---|
| 837 | /** needs to get info from gdbm database - if the calling code gets it already it may pay to pass it in instead */
|
---|
| 838 | // protected String resolveImages(String doc_content, String doc_id)
|
---|
| 839 | // {
|
---|
| 840 | // String top_doc_id = OID.getTop(doc_id);
|
---|
| 841 | // DBInfo info = this.gdbm_src.getInfo(top_doc_id);
|
---|
| 842 | // String archivedir = info.getInfo("archivedir");
|
---|
| 843 | // String image_dir = this.site_http_address + "/collect/"+this.cluster_name+"/index/assoc/"+archivedir;
|
---|
| 844 |
|
---|
| 845 | // // Resolve all "_httpdocimg_"s
|
---|
| 846 | // doc_content = doc_content.replaceAll("_httpdocimg_", image_dir);
|
---|
| 847 | // return doc_content;
|
---|
| 848 | // }
|
---|
| 849 |
|
---|
| 850 | // protected Element getInfo(String doc_id, String info_type) {
|
---|
| 851 |
|
---|
| 852 | // String value="";
|
---|
| 853 | // if (info_type.equals(INFO_NUM_SIBS)) {
|
---|
| 854 | // String parent_id = OID.getParent(doc_id);
|
---|
| 855 | // if (parent_id.equals(doc_id)) {
|
---|
| 856 | // value="0";
|
---|
| 857 | // } else {
|
---|
| 858 | // value = String.valueOf(getNumChildren(parent_id));
|
---|
| 859 | // }
|
---|
| 860 | // } else if (info_type.equals(INFO_NUM_CHILDREN)) {
|
---|
| 861 | // value = String.valueOf(getNumChildren(doc_id));
|
---|
| 862 | // } else if (info_type.equals(INFO_SIB_POS)) {
|
---|
| 863 | // String parent_id = OID.getParent(doc_id);
|
---|
| 864 | // if (parent_id.equals(doc_id)) {
|
---|
| 865 | // value="-1";
|
---|
| 866 | // } else {
|
---|
| 867 | // DBInfo info = this.gdbm_src.getInfo(parent_id);
|
---|
| 868 | // String contains = info.getInfo("contains");
|
---|
| 869 | // contains = contains.replaceAll("\"", parent_id);
|
---|
| 870 | // String [] children = contains.split(";");
|
---|
| 871 | // for (int i=0;i<children.length;i++) {
|
---|
| 872 | // String child_id = children[i];
|
---|
| 873 | // if (child_id.equals(doc_id)) {
|
---|
| 874 | // value = String.valueOf(i+1); // make it from 1 to length
|
---|
| 875 | // break;
|
---|
| 876 | // }
|
---|
| 877 | // }
|
---|
| 878 | // }
|
---|
| 879 | // } else {
|
---|
| 880 | // return null;
|
---|
| 881 | // }
|
---|
| 882 | // Element info_elem = this.doc.createElement("info");
|
---|
| 883 | // info_elem.setAttribute(GSXML.NAME_ATT, info_type);
|
---|
| 884 | // info_elem.setAttribute(GSXML.VALUE_ATT, value);
|
---|
| 885 | // return info_elem;
|
---|
| 886 | // }
|
---|
| 887 |
|
---|
| 888 | // protected int getNumChildren(String doc_id) {
|
---|
| 889 | // DBInfo info = this.gdbm_src.getInfo(doc_id);
|
---|
| 890 | // String contains = info.getInfo("contains");
|
---|
| 891 | // if (contains.equals("")) {
|
---|
| 892 | // return 0;
|
---|
| 893 | // }
|
---|
| 894 | // String [] children = contains.split(";");
|
---|
| 895 | // return children.length;
|
---|
| 896 | // }
|
---|
| 897 |
|
---|
| 898 | protected String translateOID(String oid) {
|
---|
| 899 |
|
---|
| 900 | int p = oid.lastIndexOf('.');
|
---|
| 901 | if (p != oid.length()-3) {
|
---|
| 902 | System.out.println("translateoid error: '.' is not the third to last char!!");
|
---|
| 903 | return oid;
|
---|
| 904 | }
|
---|
| 905 |
|
---|
| 906 | String top = oid.substring(0, p);
|
---|
| 907 | String suff = oid.substring(p+1);
|
---|
| 908 | if (suff.equals("pr")) {
|
---|
| 909 | return OID.getParent(top);
|
---|
| 910 | } else if (suff.equals("rt")) {
|
---|
| 911 | return OID.getTop(top);
|
---|
| 912 | }
|
---|
| 913 | return oid;
|
---|
| 914 |
|
---|
| 915 | }
|
---|
| 916 |
|
---|
| 917 | }
|
---|