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

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author Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
date Wed, 24 Nov 2010 17:24:23 +0100
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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 org.exist.dom.QName;
26 import org.exist.xquery.BasicFunction;
27 import org.exist.xquery.Cardinality;
28 import org.exist.xquery.FunctionSignature;
29 import org.exist.xquery.XPathException;
30 import org.exist.xquery.XQueryContext;
31 import org.exist.xquery.value.Sequence;
32 import org.exist.xquery.value.SequenceType;
33 import org.exist.xquery.value.StringValue;
34 import org.exist.xquery.value.Type;
35 import org.exist.xquery.value.ValueSequence;
36
37 import de.mpg.mpiwg.berlin.mpdl.escidoc.ESciDocRestSession;
38 import de.mpg.mpiwg.berlin.mpdl.exception.ApplicationException;
39
40 /**
41 * @author Josef Willenborg (jwillenborg@mpiwg-berlin.mpg.de)
42 */
43 public class ESciDocLogin extends BasicFunction {
44
45 public final static FunctionSignature signature =
46 new FunctionSignature(
47 new QName("escidoc-login", MPDLDocModule.NAMESPACE_URI, MPDLDocModule.PREFIX),
48 "A function which delivers an eSciDoc cookie id for the given login name and password",
49 new SequenceType[] {
50 new SequenceType(Type.STRING, Cardinality.EXACTLY_ONE),
51 new SequenceType(Type.STRING, Cardinality.EXACTLY_ONE)
52 },
53 new SequenceType(Type.STRING, Cardinality.EXACTLY_ONE));
54
55 public ESciDocLogin(XQueryContext context) {
56 super(context, signature);
57 }
58
59 public Sequence eval(Sequence[] args, Sequence contextSequence) throws XPathException {
60 try {
61 Sequence firstSeq = args[0];
62 Sequence secondSeq = args[1];
63 if (firstSeq.isEmpty() || secondSeq.isEmpty())
64 return Sequence.EMPTY_SEQUENCE;
65 String userName = firstSeq.getStringValue();
66 String pw = secondSeq.getStringValue();
67 String eSciDocCookieId = ESciDocRestSession.login(userName, pw);
68 ValueSequence resultSequence = new ValueSequence();
69 StringValue strValCookieId = new StringValue("");
70 if (eSciDocCookieId != null)
71 strValCookieId = new StringValue(eSciDocCookieId);
72 resultSequence.add(strValCookieId);
73 return resultSequence;
74 } catch (ApplicationException e) {
75 throw new XPathException(e);
76 }
77 }
78
79 }