/*
* eXist Open Source Native XML Database
* Copyright (C) 2008-2009 The eXist Project
* http://exist-db.org
*
* 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.
*
* $Id$
*/
package org.exist.xslt.functions;
import java.io.IOException;
import java.util.Properties;
import javax.xml.transform.Transformer;
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.functions.system.GetVersion;
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.xslt.XSLContext;
/**
* system-property($property-name as xs:string) as xs:string
*
* @author <a href="mailto:shabanovd@gmail.com">Dmitriy Shabanov</a>
*
*/
public class System_property extends BasicFunction {
public final static FunctionSignature signatures[] = {
new FunctionSignature(
new QName("system-property", XSLTModule.NAMESPACE_URI, XSLTModule.PREFIX),
"The function returns a string representing the value of the system property identified by the name.",
new SequenceType[] {
new SequenceType(Type.STRING, Cardinality.ONE)},
new SequenceType(Type.STRING, Cardinality.ONE)
)
};
/**
* @param context
*/
public System_property(XQueryContext context, FunctionSignature signature) {
super(context, signature);
}
@Override
public Sequence eval(Sequence[] args, Sequence contextSequence) throws XPathException {
QName name = QName.parse(getContext(), args[0].getStringValue());
Properties sysProperties = new Properties();
try {
sysProperties.load(GetVersion.class.getClassLoader().getResourceAsStream("org/exist/system.properties"));
} catch (IOException e) {
LOG.debug("Unable to load system.properties from class loader");
}
return new StringValue(sysProperties.getProperty(name.getStringValue(), ""));
/*
if (name.equals("xsl:version")) {
} else if (name.equals("xsl:vendor")) {
} else if (name.equals("xsl:vendor-url")) {
} else if (name.equals("xsl:product-name")) {
} else if (name.equals("xsl:product-version")) {
} else if (name.equals("xsl:is-schema-aware")) {
} else if (name.equals("xsl:supports-serialization")) {
} else if (name.equals("xsl:supports-backwards-compatibility")) {
}
*/
}
}