[5164] | 1 | /**
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| 2 | *#########################################################################
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| 3 | *
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| 4 | * A component of the Gatherer application, part of the Greenstone digital
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| 5 | * library suite from the New Zealand Digital Library Project at the
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| 6 | * University of Waikato, New Zealand.
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| 7 | *
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| 8 | * <BR><BR>
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| 9 | *
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| 10 | * Author: John Thompson, Greenstone Digital Library, University of Waikato
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| 11 | *
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| 12 | * <BR><BR>
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| 13 | *
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| 14 | * Copyright (C) 1999 New Zealand Digital Library Project
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| 15 | *
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| 16 | * <BR><BR>
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| 17 | *
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| 18 | * This program is free software; you can redistribute it and/or modify
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| 19 | * it under the terms of the GNU General Public License as published by
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| 20 | * the Free Software Foundation; either version 2 of the License, or
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| 21 | * (at your option) any later version.
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| 22 | *
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| 23 | * <BR><BR>
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| 24 | *
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| 25 | * This program is distributed in the hope that it will be useful,
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| 26 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 27 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 28 | * GNU General Public License for more details.
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| 29 | *
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| 30 | * <BR><BR>
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| 31 | *
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| 32 | * You should have received a copy of the GNU General Public License
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| 33 | * along with this program; if not, write to the Free Software
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| 34 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 35 | *########################################################################
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| 36 | */
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[5581] | 37 | package org.greenstone.gatherer.collection;
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| 38 |
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[5164] | 39 | import java.io.*;
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| 40 | import java.util.*;
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| 41 | import javax.swing.*;
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| 42 | import javax.swing.tree.*;
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[8231] | 43 | import org.greenstone.gatherer.Configuration;
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[8236] | 44 | import org.greenstone.gatherer.DebugStream;
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[5164] | 45 | import org.greenstone.gatherer.Gatherer;
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| 46 | import org.greenstone.gatherer.cdm.CollectionDesignManager;
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[6051] | 47 | import org.greenstone.gatherer.cdm.CollectionMeta;
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| 48 | import org.greenstone.gatherer.cdm.CollectionMetaManager;
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[5721] | 49 | import org.greenstone.gatherer.util.StaticStrings;
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[8015] | 50 | import org.greenstone.gatherer.util.XMLTools;
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[5164] | 51 | import org.w3c.dom.*;
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[5581] | 52 |
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[5164] | 53 | /** Collection provides a common collection point for all the information about a certain collection build session. It keeps a record of several other managers that actually handle the content of the collection, such as metadata sets and metadata itself.
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| 54 | * @author John Thompson, Greenstone Digital Library, University of Waikato
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| 55 | * @version 2.3c
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| 56 | */
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| 57 | public class Collection {
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[6086] | 58 | /** A reference to the Collection Design Manager. */
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| 59 | public CollectionDesignManager cdm;
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[9136] | 60 | /** A reference to the build ScriptOptions. */
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| 61 | public ScriptOptions build_options;
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| 62 | /** A reference to the import ScriptOptions. */
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| 63 | public ScriptOptions import_options;
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[7281] | 64 | /** true if an error has occurred during construction */
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| 65 | public boolean error = false;
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[6086] | 66 | /** <i>true</i> if the currently loaded collection has been saved since the last significant change, <i>false</i> otherwise. */
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| 67 | private boolean saved = false;
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[9166] | 68 | /*<i>true</i> if the currently loaded collection has had files added since its last build */
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[10237] | 69 | private boolean filesChanged = false;
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[9166] | 70 | /*<i>true</i> if the currently loaded collection has had metadata added since its last build */
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[10237] | 71 | private boolean metadataChanged = false;
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[6086] | 72 | /** The document around which this collection class is based. */
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| 73 | private Document document;
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[13819] | 74 |
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| 75 | /** The file the collection is in (the file may not actually exist, such in the case of a legacy collection)! */
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| 76 | private File file;
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[6086] | 77 | /** The name of the argument element. */
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| 78 | static final private String ARGUMENT = "Argument";
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| 79 | static final private String BASE_COLLECTION = "base_collection";
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| 80 | /** The name of the build element. */
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| 81 | static final private String BUILD = "Build";
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| 82 | /** The name of the build config element. */
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| 83 | static final private String BUILD_CONFIG = "BuildConfig";
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| 84 | /** The name of the collection xml template. */
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| 85 | static final private String COLLECTION_XML_TEMPLATE = "xml/template.col";
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| 86 | /** The name of the import element. */
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| 87 | static final private String IMPORT = "Import";
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| 88 | /** The name of the imported attribute. */
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| 89 | static final private String IMPORTED = "imported";
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[13819] | 90 | /** The name of the imported attribute. */
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| 91 | static final private String SKIM_FILE = "skimfile";
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| 92 |
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[6051] | 93 |
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[6086] | 94 | /** Constructor. */
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| 95 | public Collection(File collection_xml) {
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| 96 | this.file = collection_xml;
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| 97 | // Try to load this collections details.
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[13819] | 98 | document = XMLTools.parseXMLFile(collection_xml);
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[6086] | 99 | // If that fails load the default settings for a collection.
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| 100 | if(document == null) {
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[10006] | 101 | document = XMLTools.parseXMLFile(COLLECTION_XML_TEMPLATE, true);
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[5164] | 102 | }
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[7281] | 103 | if (document == null) {
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| 104 | error = true;
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| 105 | return;
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| 106 | }
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[6086] | 107 | // Point the Configuration class at our gatherer config arguments.
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[8231] | 108 | Configuration.setCollectionConfiguration(document);
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[8253] | 109 | if (Gatherer.g_man != null) {
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| 110 | Gatherer.g_man.updateUI();
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| 111 | }
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[6086] | 112 | // Finally create all of the child managers that are directly dependant on a collection
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[13748] | 113 | build_options = new ScriptOptions(getBuildValues(), "buildcol.pl");
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| 114 | import_options = new ScriptOptions(getImportValues(), "import.pl");
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[6086] | 115 | }
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| 116 |
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| 117 | /** Destructor.
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[6387] | 118 | * @see org.greenstone.gatherer.Configuration
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| 119 | * @see org.greenstone.gatherer.Gatherer
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| 120 | * @see org.greenstone.gatherer.cdm.CollectionDesignManager
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| 121 | */
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[6086] | 122 | public void destroy() {
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[5164] | 123 | cdm.destroy();
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[8231] | 124 | Configuration.setCollectionConfiguration(null);
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[12589] | 125 | // this is called after calling collection.destroy, so we shouldn't need it here too.
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| 126 | // if (Gatherer.g_man != null) {
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| 127 | // Gatherer.g_man.updateUI();
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| 128 | // }
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[5164] | 129 | cdm = null;
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| 130 | document = null;
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[6086] | 131 | }
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| 132 |
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| 133 | /** Determine the number of documents and folders in this collection. */
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| 134 | public int getCount() {
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[8846] | 135 | return getCount((TreeNode)Gatherer.c_man.getCollectionTreeModel().getRoot(), true, true);
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[6086] | 136 | }
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| 137 |
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| 138 | /** Calculates the number of documents in this collection. */
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| 139 | public int getDocumentCount() {
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[8846] | 140 | return getCount((TreeNode)Gatherer.c_man.getCollectionTreeModel().getRoot(), false, true);
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[6086] | 141 | }
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| 142 |
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| 143 | /** Retrieve the description of this collection.
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| 144 | * @return a String
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| 145 | */
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| 146 | public String getDescription() {
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| 147 | if(cdm == null) {
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| 148 | return StaticStrings.EMPTY_STR;
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[6051] | 149 | }
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[6086] | 150 | CollectionMeta collection_extra_collectionmeta = cdm.collectionmeta_manager.getMetadatum(StaticStrings.COLLECTIONMETADATA_COLLECTIONEXTRA_STR);
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| 151 | return collection_extra_collectionmeta.getValue(CollectionMeta.TEXT);
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| 152 | }
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| 153 |
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| 154 | /** Retrieve the authors email for this collection.
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| 155 | * @return The email as a <strong>String</strong>.
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| 156 | */
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| 157 | public String getEmail() {
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| 158 | if(cdm == null) {
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| 159 | return StaticStrings.EMPTY_STR;
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[6051] | 160 | }
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[6086] | 161 | CollectionMeta creator_collectionmeta = new CollectionMeta(CollectionDesignManager.collect_config.getCreator());
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| 162 | return creator_collectionmeta.getValue(CollectionMeta.TEXT);
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| 163 | }
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[6204] | 164 |
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[6086] | 165 | /** Retrieve the short name for this collection.
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| 166 | * @return The name as a <strong>String</strong>.
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| 167 | */
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| 168 | public String getName() {
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| 169 | return file.getParentFile().getName();
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| 170 | }
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| 171 |
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| 172 | /** Determine if this collection has been saved since the last major change.
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| 173 | * @return <i>true</i> if it has been saved recently, <i>false</i> otherwise.
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| 174 | */
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| 175 | public boolean getSaved() {
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| 176 | return saved;
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| 177 | }
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[9166] | 178 |
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| 179 | /** Determine if this collection has had its collection files changed since the last build.
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| 180 | * @return <i>true</i> if they have been saved, <i>false</i> otherwise.
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| 181 | */
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| 182 | public boolean getFilesChanged() {
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| 183 | return filesChanged;
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| 184 | }
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[6086] | 185 |
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[9166] | 186 | /** Set the flag that marks weather or not the files has been changed since the last build.
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| 187 | @param changed if files has been added/removed, as a <strong>boolean</strong>
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| 188 | */
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| 189 | public void setFilesChanged(boolean changed) {
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| 190 | filesChanged = changed;
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| 191 | }
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| 192 |
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| 193 | /** Determine if this collection has had metadata changed since the last build.
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| 194 | * @return <i>true</i> if it has been changed, <i>false</i> otherwise.
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| 195 | */
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| 196 | public boolean getMetadataChanged() {
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| 197 | return metadataChanged;
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| 198 | }
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| 199 |
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| 200 | /** Set the flag that marks weather or not the metadata has been changed since the last build.
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| 201 | @param changed if metadata has been added/changed/removed, as a <strong>boolean</strong>
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| 202 | */
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| 203 | public void setMetadataChanged(boolean changed) {
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| 204 | metadataChanged = changed;
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| 205 | }
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| 206 |
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[6086] | 207 | /** Retrieve the title of this collection.
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| 208 | * @return The title as a <strong>String</strong>.
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| 209 | */
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| 210 | public String getTitle() {
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| 211 | if(cdm == null) {
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| 212 | return StaticStrings.EMPTY_STR;
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[5164] | 213 | }
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[6086] | 214 | CollectionMeta collection_name_collectionmeta = cdm.collectionmeta_manager.getMetadatum(StaticStrings.COLLECTIONMETADATA_COLLECTIONNAME_STR);
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| 215 | return collection_name_collectionmeta.getValue(CollectionMeta.TEXT);
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| 216 | }
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[6051] | 217 |
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[6086] | 218 | /** Save this xml document to the given file. */
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| 219 | public void save() {
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[9036] | 220 | XMLTools.writeXMLFile(file, document);
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[8586] | 221 | saved = true;
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[6086] | 222 | }
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[5237] | 223 |
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[6086] | 224 | public void setBaseCollection(String base_collection) {
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| 225 | set(BASE_COLLECTION, base_collection);
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| 226 | }
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| 227 |
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| 228 | /** Set the value of imported to the given value.
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| 229 | * @param value The new value for imported, <i>true</i> if the collection has been imported successfully, <i>false</i> otherwise.
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| 230 | */
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| 231 | public void setImported(boolean value) {
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[5164] | 232 | set(IMPORTED, value);
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| 233 | saved = false;
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[6086] | 234 | }
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| 235 |
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| 236 | /** Set the value of saved to the given value.
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| 237 | * @param value The new value for saved, <i>true</i> if the collection has been saved recently, <i>false</i> otherwise.
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| 238 | */
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| 239 | public void setSaved(boolean value) {
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[5164] | 240 | saved = value;
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[6086] | 241 | }
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| 242 |
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| 243 | /** Set the value of title to the given value.
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| 244 | * @param title The new <strong>String</strong> title.
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| 245 | */
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| 246 | public void setTitle(String title) {
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| 247 | if(cdm != null) {
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| 248 | CollectionMeta collection_name_collectionmeta = cdm.collectionmeta_manager.getMetadatum(StaticStrings.COLLECTIONMETADATA_COLLECTIONNAME_STR);
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| 249 | collection_name_collectionmeta.setValue(title);
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[6051] | 250 | }
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[6086] | 251 | }
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| 252 |
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| 253 | /** Method called to return a textual representation of a class, which in this case is the collections title.
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| 254 | * @return A <strong>String</strong> containing the collections title.
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| 255 | */
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| 256 | public String toString() {
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| 257 | return getTitle();
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| 258 | }
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[13819] | 259 |
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| 260 | public boolean toSkimFile(){
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| 261 | Element document_element = document.getDocumentElement();
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| 262 | NodeList arguments = document_element.getElementsByTagName(ARGUMENT);
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| 263 | for(int i = 0; i < arguments.getLength(); i++) {
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| 264 | Element argument_element = (Element) arguments.item(i);
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| 265 | if(argument_element.getAttribute(StaticStrings.NAME_ATTRIBUTE).equalsIgnoreCase(SKIM_FILE)) {
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| 266 | String skimfile = XMLTools.getValue(argument_element);
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| 267 | if (skimfile !=null && skimfile.trim().toLowerCase().equals("false")){
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| 268 | return false;
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| 269 | }
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| 270 | }
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| 271 |
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| 272 | }
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| 273 |
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| 274 | return true;
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| 275 | }
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| 276 |
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[6086] | 277 |
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| 278 | /** Get the value of a collection argument. */
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| 279 | private boolean get(String name) {
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[5164] | 280 | boolean result = false;
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| 281 | try {
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[6086] | 282 | Element document_element = document.getDocumentElement();
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| 283 | NodeList arguments = document_element.getElementsByTagName(ARGUMENT);
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| 284 | boolean found = false;
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| 285 | for(int i = 0; !found && i < arguments.getLength(); i++) {
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[5164] | 286 | Element argument_element = (Element) arguments.item(i);
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| 287 | if(argument_element.getParentNode() == document_element) {
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[6086] | 288 | if(argument_element.getAttribute(StaticStrings.NAME_ATTRIBUTE).equalsIgnoreCase(name)) {
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[8015] | 289 | String value = XMLTools.getValue(argument_element);
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[6086] | 290 | if(value.equalsIgnoreCase(StaticStrings.TRUE_STR)) {
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| 291 | result = true;
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[5164] | 292 | }
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| 293 | found = true;
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| 294 | value = null;
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[6086] | 295 | }
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[5164] | 296 | }
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| 297 | argument_element = null;
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[6086] | 298 | }
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| 299 | arguments = null;
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| 300 | document_element = null;
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[5164] | 301 | }
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| 302 | catch (Exception error) {
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[8236] | 303 | DebugStream.printStackTrace(error);
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[5164] | 304 | }
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| 305 | return result;
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[6086] | 306 | }
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| 307 |
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| 308 | /** Get the value of a collection argument. */
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| 309 | private String getString(String name) {
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[5721] | 310 | String result = "";
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| 311 | try {
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[6086] | 312 | Element document_element = document.getDocumentElement();
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| 313 | NodeList arguments = document_element.getElementsByTagName(ARGUMENT);
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| 314 | boolean found = false;
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| 315 | for(int i = 0; !found && i < arguments.getLength(); i++) {
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[5721] | 316 | Element argument_element = (Element) arguments.item(i);
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| 317 | if(argument_element.getParentNode() == document_element) {
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[6086] | 318 | if(argument_element.getAttribute(StaticStrings.NAME_ATTRIBUTE).equalsIgnoreCase(name)) {
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[8015] | 319 | result = XMLTools.getValue(argument_element);
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[5721] | 320 | found = true;
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[6086] | 321 | }
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[5721] | 322 | }
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| 323 | argument_element = null;
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[6086] | 324 | }
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| 325 | arguments = null;
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| 326 | document_element = null;
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[5721] | 327 | }
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| 328 | catch (Exception error) {
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[8236] | 329 | DebugStream.printStackTrace(error);
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[5721] | 330 | }
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| 331 | return result;
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[6086] | 332 | }
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[13819] | 333 |
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[6086] | 334 |
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[13819] | 335 |
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| 336 |
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[6086] | 337 | /** Method to retrieve the current build options associated with this Collection. */
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| 338 | private Element getBuildValues() {
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[5164] | 339 | Element build_values_element = null;
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| 340 | try {
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[6086] | 341 | Element document_element = document.getDocumentElement();
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[8015] | 342 | Element build_config_element = (Element) XMLTools.getNodeFromNamed(document_element, BUILD_CONFIG);
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| 343 | build_values_element = (Element) XMLTools.getNodeFromNamed(build_config_element, BUILD);
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[6086] | 344 | build_config_element = null;
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| 345 | document_element = null;
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[5164] | 346 | }
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| 347 | catch (Exception error) {
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[8236] | 348 | DebugStream.printStackTrace(error);
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[5164] | 349 | }
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| 350 | return build_values_element;
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[6086] | 351 | }
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| 352 |
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| 353 | /** Count either documents or folders, depending on the state of the given boolean. */
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| 354 | private int getCount(TreeNode node, boolean count_folders, boolean count_files) {
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[5164] | 355 | int count = 0;
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[8783] | 356 | File file = ((CollectionTreeNode)node).getFile();
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[5164] | 357 | if(file.isFile() && count_files) {
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[6086] | 358 | count++;
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[5164] | 359 | }
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| 360 | else if(file.isDirectory() && count_folders) {
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[6086] | 361 | count++;
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[5164] | 362 | }
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[6325] | 363 | for(int i = 0; !file.getName().equals("CVS") && i < node.getChildCount(); i++) {
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[6086] | 364 | count = count + getCount(node.getChildAt(i), count_folders, count_files);
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[5164] | 365 | }
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| 366 | return count;
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[6086] | 367 | }
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| 368 |
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| 369 | /** Method to retrieve the current import options associated with this Collection. */
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| 370 | public Element getImportValues() {
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[5164] | 371 | Element import_values_element = null;
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| 372 | try {
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[6086] | 373 | Element document_element = document.getDocumentElement();
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[8015] | 374 | Element build_config_element = (Element) XMLTools.getNodeFromNamed(document_element, BUILD_CONFIG);
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| 375 | import_values_element = (Element) XMLTools.getNodeFromNamed(build_config_element, IMPORT);
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[6086] | 376 | build_config_element = null;
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| 377 | document_element = null;
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[5164] | 378 | }
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| 379 | catch (Exception error) {
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[8236] | 380 | DebugStream.printStackTrace(error);
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[5164] | 381 | }
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| 382 | return import_values_element;
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[6086] | 383 | }
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| 384 |
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| 385 | /** Set the value of a collection argument. */
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| 386 | private void set(String name, boolean value) {
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| 387 | set(name, (value ? StaticStrings.TRUE_STR : StaticStrings.FALSE_STR));
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| 388 | }
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| 389 |
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| 390 | private void set(String name, String value) {
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| 391 | try {
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| 392 | Element document_element = document.getDocumentElement();
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| 393 | NodeList arguments = document_element.getElementsByTagName(ARGUMENT);
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| 394 | boolean found = false;
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| 395 | for(int i = 0; !found && i < arguments.getLength(); i++) {
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[6051] | 396 | Element argument_element = (Element) arguments.item(i);
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| 397 | if(argument_element.getParentNode() == document_element) {
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[6086] | 398 | if(argument_element.getAttribute(StaticStrings.NAME_ATTRIBUTE).equalsIgnoreCase(name)) {
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| 399 | // Strip any current value nodes.
|
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| 400 | while(argument_element.hasChildNodes()) {
|
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| 401 | argument_element.removeChild(argument_element.getFirstChild());
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| 402 | }
|
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| 403 | // Append new value
|
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| 404 | argument_element.appendChild(document.createTextNode(value));
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| 405 | found = true;
|
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| 406 | }
|
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[6051] | 407 | }
|
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| 408 | argument_element = null;
|
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[6086] | 409 | }
|
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| 410 | // Append it
|
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| 411 | if(!found) {
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[6051] | 412 | Element argument_element = document.createElement(ARGUMENT);
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[6086] | 413 | argument_element.setAttribute(StaticStrings.NAME_ATTRIBUTE, name);
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[6051] | 414 | argument_element.appendChild(document.createTextNode(value));
|
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| 415 | document_element.appendChild(argument_element);
|
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| 416 | argument_element = null;
|
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[6086] | 417 | }
|
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| 418 | arguments = null;
|
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| 419 | document_element = null;
|
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| 420 | }
|
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| 421 | catch (Exception error) {
|
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[8236] | 422 | DebugStream.printStackTrace(error);
|
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[6086] | 423 | }
|
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| 424 | }
|
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[5164] | 425 | }
|
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