comparison software/eXist/mpdl-modules/src/org/exist/xquery/modules/mpdldoc/GetESciDocs.java @ 0:408254cf2f1d

Erstellung
author Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
date Wed, 24 Nov 2010 17:24:23 +0100
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-1:000000000000 0:408254cf2f1d
1 /*
2 * eXist Open Source Native XML Database: Extension module
3 * Copyright (C) 2008 Josef Willenborg
4 * jwillenborg@mpiwg-berlin.mpg.de
5 * http://www.mpiwg-berlin.mpg.de
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public License
9 * as published by the Free Software Foundation; either version 2
10 * of the License, or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 *
21 * $Id: TextModule.java $
22 */
23 package org.exist.xquery.modules.mpdldoc;
24
25 import java.util.ArrayList;
26
27 import org.exist.dom.QName;
28 import org.exist.memtree.DocumentImpl;
29 import org.exist.memtree.MemTreeBuilder;
30 import org.exist.xquery.BasicFunction;
31 import org.exist.xquery.Cardinality;
32 import org.exist.xquery.FunctionSignature;
33 import org.exist.xquery.XPathException;
34 import org.exist.xquery.XQueryContext;
35 import org.exist.xquery.value.Sequence;
36 import org.exist.xquery.value.SequenceType;
37 import org.exist.xquery.value.Type;
38
39 import de.mpg.mpiwg.berlin.mpdl.escidoc.ESciDocRestSession;
40 import de.mpg.mpiwg.berlin.mpdl.exception.ApplicationException;
41 import de.mpg.mpiwg.berlin.mpdl.general.MpdlConstants;
42
43 /**
44 * @author Josef Willenborg (jwillenborg@mpiwg-berlin.mpg.de)
45 */
46 public class GetESciDocs extends BasicFunction {
47
48 public final static FunctionSignature signature =
49 new FunctionSignature(
50 new QName("escidoc-get-docs", MPDLDocModule.NAMESPACE_URI, MPDLDocModule.PREFIX),
51 "A function which delivers all eSciDoc documents restricted to the first argument: docbase." +
52 "Second argument is the cookieId.",
53 new SequenceType[] {
54 new SequenceType(Type.STRING, Cardinality.EXACTLY_ONE),
55 new SequenceType(Type.STRING, Cardinality.EXACTLY_ONE)
56 },
57 new SequenceType(Type.NODE, Cardinality.EXACTLY_ONE));
58
59 public GetESciDocs(XQueryContext context) {
60 super(context, signature);
61 }
62
63 public Sequence eval(Sequence[] args, Sequence contextSequence) throws XPathException {
64 try {
65 Sequence firstSeq = args[0];
66 Sequence secondSeq = args[1];
67 if (firstSeq.isEmpty() || secondSeq.isEmpty())
68 return Sequence.EMPTY_SEQUENCE;
69 String firstSeqStrValue = firstSeq.getStringValue();
70 String docBase = null;
71 if (! firstSeqStrValue.equals(""))
72 docBase = firstSeqStrValue;
73 String docBaseContainerId = MpdlConstants.MPDL_ESCIDOC_ECHO_CONTAINER_ID;
74 if (docBase != null && docBase.equals("archimedes"))
75 docBaseContainerId = MpdlConstants.MPDL_ESCIDOC_ARCHIMEDES_CONTAINER_ID;
76 String secondSeqStrValue = secondSeq.getStringValue();
77 String eSciDocCookieId = null;
78 if (! secondSeqStrValue.equals(""))
79 eSciDocCookieId = secondSeqStrValue;
80 ESciDocRestSession eSciDocSession = ESciDocRestSession.getInstance(eSciDocCookieId);
81 String containerXmlStr = eSciDocSession.getContainer(docBaseContainerId);
82 ArrayList<String> containerIdsOfDocBaseContainer = eSciDocSession.getContainerIds(containerXmlStr);
83 ArrayList<String> containerTitlesOfDocBaseContainer = eSciDocSession.getContainerTitles(containerXmlStr);
84 DocumentImpl doc = null;
85 if (containerIdsOfDocBaseContainer != null) {
86 MemTreeBuilder builder = context.getDocumentBuilder();
87 builder.startElement("", "documents", "documents", null);
88 for (int i=0; i<containerIdsOfDocBaseContainer.size(); i++) {
89 builder.startElement("", "doc", "doc", null);
90 builder.startElement("", "container-id", "container-id", null);
91 String containerId = containerIdsOfDocBaseContainer.get(i);
92 builder.characters(containerId);
93 builder.endElement();
94 builder.startElement("", "exist-id", "exist-id", null);
95 String containerTitle = containerTitlesOfDocBaseContainer.get(i);
96 String existId = "";
97 if (containerTitle != null) {
98 int beginIndex = containerTitle.indexOf("document-id:");
99 int endIndex = containerTitle.indexOf(".xml", beginIndex);
100 if (beginIndex > 0 && endIndex > 0) {
101 existId = containerTitle.substring(beginIndex + 13, endIndex + 4);
102 builder.characters(existId);
103 }
104 }
105 builder.endElement();
106 builder.endElement();
107 }
108 builder.endElement();
109 doc = ((DocumentImpl)builder.getDocument());
110 } else {
111 return Sequence.EMPTY_SEQUENCE;
112 }
113 return doc;
114 } catch (ApplicationException e) {
115 throw new XPathException(e);
116 }
117 }
118
119 }