/*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.exist.xquery.modules.xmpp;
import org.apache.log4j.Logger;
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.BooleanValue;
import org.exist.xquery.value.FunctionParameterSequenceType;
import org.exist.xquery.value.FunctionReturnSequenceType;
import org.exist.xquery.value.IntegerValue;
import org.exist.xquery.value.Sequence;
import org.exist.xquery.value.SequenceType;
import org.exist.xquery.value.Type;
import org.jivesoftware.smack.XMPPConnection;
import org.jivesoftware.smack.XMPPException;
public class XMPPLoginFunction extends BasicFunction
{
protected static final Logger logger = Logger.getLogger(XMPPLoginFunction.class);
public final static FunctionSignature signatures[] = {
new FunctionSignature(
new QName( "login", XMPPModule.NAMESPACE_URI, XMPPModule.PREFIX ),
"Login to XMPP service.",
new SequenceType[]
{
new FunctionParameterSequenceType( "connection", Type.LONG, Cardinality.EXACTLY_ONE,
"The connection handle to login.")
},
new FunctionReturnSequenceType(Type.BOOLEAN, Cardinality.EXACTLY_ONE,
"true if the login is successful")
),
new FunctionSignature(
new QName( "login", XMPPModule.NAMESPACE_URI, XMPPModule.PREFIX ),
"Login to XMPP service.",
new SequenceType[]
{
new FunctionParameterSequenceType( "connection", Type.LONG, Cardinality.EXACTLY_ONE,
"The connection handle to login."),
new FunctionParameterSequenceType( "user", Type.STRING, Cardinality.EXACTLY_ONE,
"The user's name."),
new FunctionParameterSequenceType( "password", Type.STRING, Cardinality.EXACTLY_ONE,
"The user's password.")
},
new FunctionReturnSequenceType(Type.BOOLEAN, Cardinality.EXACTLY_ONE,
"true if the login is successful")
),
new FunctionSignature(
new QName( "login", XMPPModule.NAMESPACE_URI, XMPPModule.PREFIX ),
"Login to XMPP service.",
new SequenceType[]
{
new FunctionParameterSequenceType( "connection", Type.LONG, Cardinality.EXACTLY_ONE,
"The connection handle to login."),
new FunctionParameterSequenceType( "user", Type.STRING, Cardinality.EXACTLY_ONE,
"The user's name."),
new FunctionParameterSequenceType( "password", Type.STRING, Cardinality.EXACTLY_ONE,
"The user's password."),
new FunctionParameterSequenceType( "resorce", Type.STRING, Cardinality.ZERO_OR_ONE,
"The XMPP resource name.")
},
new FunctionReturnSequenceType(Type.BOOLEAN, Cardinality.EXACTLY_ONE,
"true if the login is successful")
)
};
public XMPPLoginFunction( XQueryContext context, FunctionSignature signature )
{
super( context, signature );
}
public Sequence eval( Sequence[] args, Sequence contextSequence ) throws XPathException
{
long connectionHandle = ((IntegerValue) args[0].itemAt(0)).getLong();
XMPPConnection connection = XMPPModule.retrieveConnection(connectionHandle);
try
{
if (args.length == 1){
connection.loginAnonymously();
}
else {
String user = args[1].itemAt(0).getStringValue();
String password = args[2].itemAt(0).getStringValue();
String resource = null;
if (args.length > 3){
Sequence sec = args[3];
if (!sec.isEmpty()){
resource = sec.itemAt(0).getStringValue();
}
}
if (resource == null){
connection.login(user, password);
} else connection.login(user, password, resource);
}
return BooleanValue.TRUE;
} catch (XMPPException e) {
return BooleanValue.FALSE;
}
}
}