Mercurial > hg > mpdl-group
diff software/eXist/mpdl-modules/src/org/exist/xquery/modules/mpdldoc/ESciDocLogin.java @ 0:408254cf2f1d
Erstellung
author | Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> |
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date | Wed, 24 Nov 2010 17:24:23 +0100 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/software/eXist/mpdl-modules/src/org/exist/xquery/modules/mpdldoc/ESciDocLogin.java Wed Nov 24 17:24:23 2010 +0100 @@ -0,0 +1,79 @@ +/* + * eXist Open Source Native XML Database: Extension module + * Copyright (C) 2008 Josef Willenborg + * jwillenborg@mpiwg-berlin.mpg.de + * http://www.mpiwg-berlin.mpg.de + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + * $Id: TextModule.java $ + */ +package org.exist.xquery.modules.mpdldoc; + +import org.exist.dom.QName; +import org.exist.xquery.BasicFunction; +import org.exist.xquery.Cardinality; +import org.exist.xquery.FunctionSignature; +import org.exist.xquery.XPathException; +import org.exist.xquery.XQueryContext; +import org.exist.xquery.value.Sequence; +import org.exist.xquery.value.SequenceType; +import org.exist.xquery.value.StringValue; +import org.exist.xquery.value.Type; +import org.exist.xquery.value.ValueSequence; + +import de.mpg.mpiwg.berlin.mpdl.escidoc.ESciDocRestSession; +import de.mpg.mpiwg.berlin.mpdl.exception.ApplicationException; + +/** + * @author Josef Willenborg (jwillenborg@mpiwg-berlin.mpg.de) + */ +public class ESciDocLogin extends BasicFunction { + + public final static FunctionSignature signature = + new FunctionSignature( + new QName("escidoc-login", MPDLDocModule.NAMESPACE_URI, MPDLDocModule.PREFIX), + "A function which delivers an eSciDoc cookie id for the given login name and password", + new SequenceType[] { + new SequenceType(Type.STRING, Cardinality.EXACTLY_ONE), + new SequenceType(Type.STRING, Cardinality.EXACTLY_ONE) + }, + new SequenceType(Type.STRING, Cardinality.EXACTLY_ONE)); + + public ESciDocLogin(XQueryContext context) { + super(context, signature); + } + + public Sequence eval(Sequence[] args, Sequence contextSequence) throws XPathException { + try { + Sequence firstSeq = args[0]; + Sequence secondSeq = args[1]; + if (firstSeq.isEmpty() || secondSeq.isEmpty()) + return Sequence.EMPTY_SEQUENCE; + String userName = firstSeq.getStringValue(); + String pw = secondSeq.getStringValue(); + String eSciDocCookieId = ESciDocRestSession.login(userName, pw); + ValueSequence resultSequence = new ValueSequence(); + StringValue strValCookieId = new StringValue(""); + if (eSciDocCookieId != null) + strValCookieId = new StringValue(eSciDocCookieId); + resultSequence.add(strValCookieId); + return resultSequence; + } catch (ApplicationException e) { + throw new XPathException(e); + } + } + +}