[12188] | 1 | package org.greenstone.gsdl3.gs3build.metadata;
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| 2 |
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| 3 | import java.io.PrintWriter;
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| 4 |
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| 5 | import java.util.HashMap;
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| 6 | import java.util.Map;
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| 7 | import java.util.List;
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| 8 | import java.util.ArrayList;
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| 9 | import java.util.Iterator;
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| 10 |
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| 11 | import java.sql.SQLException;
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| 12 | import java.sql.Statement;
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| 13 | import java.sql.ResultSet;
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| 14 |
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| 15 | import org.w3c.dom.Element;
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| 16 | import org.w3c.dom.NodeList;
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| 17 |
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| 18 |
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| 19 |
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| 20 | import org.greenstone.gsdl3.gs3build.doctypes.DocumentInterface;
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| 21 |
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| 22 | import org.greenstone.gsdl3.gs3build.database.*;
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| 23 |
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| 24 | public class METSStructureSet
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| 25 | {
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| 26 | Map children;
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| 27 |
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| 28 | public static final String GSDL3_SECTION_STRUCTURE = "Section";
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| 29 |
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| 30 | public METSStructureSet()
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| 31 | {
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| 32 | this.children = new HashMap();
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| 33 | }
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| 34 |
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| 35 | public void addStructure(METSStructure structure)
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| 36 | {
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| 37 | this.children.put(structure.getID(), structure);
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| 38 | }
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| 39 |
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| 40 | public METSStructure getStructure(String name)
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| 41 | {
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| 42 | return (METSStructure) this.children.get(name);
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| 43 | }
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| 44 |
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| 45 | /**
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| 46 | * Find the divisions that contain a list of given files
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| 47 | *
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| 48 | * @param <code>List</code> the list of files to find...
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| 49 | * @return <code>List</code> the matching divisions.
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| 50 | */
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| 51 | public List findDivisionsForFiles(List listOfFileIdentifiers)
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| 52 | {
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| 53 | List reply = new ArrayList();
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| 54 |
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| 55 | // iterate across all the children...
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| 56 | Iterator structures = this.children.values().iterator();
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| 57 |
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| 58 | while (structures.hasNext()){
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| 59 | METSStructure structure = (METSStructure) structures.next();
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| 60 |
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| 61 | structure.findDivisionsForFiles(listOfFileIdentifiers, reply);
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| 62 | }
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| 63 | return reply;
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| 64 | }
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| 65 |
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| 66 | /**
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| 67 | * Add a division to an indicated structure.
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| 68 | *
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| 69 | * @param <code>String</code> the structure identifier
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| 70 | * @param <code>METSDivision</code> the division to be added.
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| 71 | */
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| 72 | public void addDivision(String structureId, METSDivision division)
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| 73 | {
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| 74 | METSStructure structure = (METSStructure) this.children.get(structureId);
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| 75 |
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| 76 | if (structure != null){
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| 77 | structure.addDivision(division);
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| 78 | }
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| 79 | }
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| 80 |
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| 81 | /**
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| 82 | * Add a division to an indicated division within structure.
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| 83 | *
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| 84 | * @param <code>String</code> the structure identifier
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| 85 | * @param <code>String</code> the division identifer, within which the division
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| 86 | * is to be placed.
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| 87 | * @param <code>METSDivision</code> the division to be added.
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| 88 | */
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| 89 | public void addSubDivision(String structureId, String divisionID, METSDivision division)
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| 90 | {
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| 91 | METSStructure structure = (METSStructure) this.children.get(structureId);
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| 92 |
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| 93 | if (structure != null){
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| 94 | structure.addSubDivision(divisionID, division);
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| 95 | }
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| 96 | }
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| 97 |
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| 98 | /**
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| 99 | * Get a division from within a given structure
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| 100 | *
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| 101 | * @param <code>String</code> the structure identifier
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| 102 | * @param <code>String</code> the division identifer
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| 103 | *
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| 104 | * @return <code>METSDivision</code> the division
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| 105 | */
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| 106 | public METSDivision getDivision(String structureId, String divisionId)
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| 107 | {
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| 108 | METSStructure structure = (METSStructure) this.children.get(structureId);
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| 109 |
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| 110 | if (structure != null){
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| 111 | return structure.getDivision(divisionId);
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| 112 | }
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| 113 | return null;
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| 114 | }
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| 115 | public static METSStructureSet parseXML(NodeList structMapSecs)
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| 116 | {
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| 117 | METSStructureSet set = new METSStructureSet();
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| 118 |
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| 119 | for (int c = 0; c < structMapSecs.getLength(); c++) {
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| 120 | METSStructure structure = METSStructure.parseXML((Element) structMapSecs.item(c));
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| 121 | set.addStructure(structure);
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| 122 | }
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| 123 | return set;
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| 124 | }
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| 125 |
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| 126 |
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| 127 | public void write(PrintWriter writer)
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| 128 | {
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| 129 | Iterator structures = this.children.values().iterator();
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| 130 |
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| 131 | while (structures.hasNext()){
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| 132 | METSStructure group = (METSStructure) structures.next();
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| 133 |
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| 134 | group.write(writer);
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| 135 | }
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| 136 | }
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| 137 |
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| 138 | public boolean writeSQL(DocumentInterface document, GS3SQLConnection connection)
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| 139 | {
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| 140 | Iterator structures = this.children.values().iterator();
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| 141 |
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| 142 | while (structures.hasNext()){
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| 143 | METSStructure group = (METSStructure) structures.next();
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| 144 |
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| 145 | if (!group.writeSQL(document, connection)){
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| 146 | return false;
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| 147 | }
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| 148 | }
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| 149 | return true;
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| 150 | }
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| 151 |
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| 152 | public static METSStructureSet readSQL(DocumentInterface document, GS3SQLConnection connection)
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| 153 | {
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| 154 | METSStructureSet set = new METSStructureSet();
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| 155 |
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| 156 | GS3SQLSelect select = new GS3SQLSelect("structure");
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| 157 | select.addField("*");
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| 158 | GS3SQLWhereItem whereItem = new GS3SQLWhereItem("DocID", "=", document.getID().toString());
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| 159 | select.setWhere(new GS3SQLWhere(whereItem));
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| 160 |
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| 161 | // start going through the matching metadata blocks
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| 162 | try {
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| 163 | Statement statement = connection.createStatement();
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| 164 | ResultSet resultSet = statement.executeQuery(select.toString());
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| 165 | if (resultSet.first()) {
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| 166 | do {
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| 167 | METSStructure structure = METSStructure.readSQL(document, connection, resultSet);
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| 168 | if (structure != null) {
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| 169 | set.addStructure(structure);
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| 170 | }
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| 171 | } while (resultSet.next());
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| 172 | }
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| 173 | statement.close();
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| 174 | }
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| 175 | catch (SQLException sqlEx) {
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| 176 | System.err.println("METSStructureSet.readSQL(): "+sqlEx);
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| 177 | System.exit(1);
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| 178 | }
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| 179 | return set;
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| 180 | }
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| 181 | }
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