/*
* 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.logging.log4j.Logger;
import org.apache.logging.log4j.LogManager;
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.Chat;
import org.jivesoftware.smack.XMPPException;
public class XMPPSendMessageFunction extends BasicFunction
{
protected static final Logger logger = LogManager.getLogger(XMPPSendMessageFunction.class);
public final static FunctionSignature signatures[] = {
new FunctionSignature(
new QName( "send-message", XMPPModule.NAMESPACE_URI, XMPPModule.PREFIX ),
"Send XMPP chat message.",
new SequenceType[]
{
new FunctionParameterSequenceType( "chat", Type.LONG, Cardinality.EXACTLY_ONE,
"The chat handle for send a message."),
new FunctionParameterSequenceType( "message", Type.STRING, Cardinality.EXACTLY_ONE,
"The sending message.")
},
new FunctionReturnSequenceType(Type.BOOLEAN, Cardinality.EXACTLY_ONE,
"true if the message was sended")
)
};
public XMPPSendMessageFunction( XQueryContext context, FunctionSignature signature )
{
super( context, signature );
}
public Sequence eval( Sequence[] args, Sequence contextSequence ) throws XPathException
{
long chatHandle = ((IntegerValue) args[0].itemAt(0)).getLong();
Chat chat = XMPPModule.retrieveChat(chatHandle);
String message = args[1].itemAt(0).getStringValue();
try {
chat.sendMessage(message);
return BooleanValue.TRUE;
} catch (XMPPException e) {
return BooleanValue.FALSE;
}
}
}