/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source 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, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.xmpp;
import com.caucho.xmpp.im.Text;
import com.caucho.xmpp.im.ImPresence;
import com.caucho.xmpp.im.ImMessage;
import com.caucho.bam.*;
import com.caucho.vfs.*;
import com.caucho.xml.stream.*;
import java.io.Serializable;
import java.util.*;
import java.util.logging.*;
import javax.xml.stream.*;
/**
* xmpp client to broker
*/
class XmppWriterImpl
{
private static final Logger log
= Logger.getLogger(XmppWriterImpl.class.getName());
private static final String JABBERC_NS = "jabber:client";
private XmppContext _xmppContext;
private XmppStreamWriterImpl _out;
XmppWriterImpl(XmppContext xmppContext, XmppStreamWriterImpl out)
{
_xmppContext = xmppContext;
_out = out;
}
/**
* Sends a message to the stream
*/
public void message(String to,
String from,
Serializable value)
{
sendMessage(to, from, null, value, null);
}
/**
* Sends a message to the stream
*/
public void messageError(String to,
String from,
Serializable value,
BamError error)
{
sendMessage(to, from, "error", value, error);
}
/**
* Sends a message to the stream
*/
private void sendMessage(String to,
String from,
String type,
Serializable value,
BamError error)
{
try {
XmppStreamWriterImpl out = _out;
Text []subjects = null;
Text []bodys = null;
String thread = null;
Serializable extra = null;
Serializable []extras = null;
if (value instanceof ImMessage) {
ImMessage msg = (ImMessage) value;
if (msg.getTo() != null)
to = msg.getTo();
if (msg.getFrom() != null)
from = msg.getFrom();
if (msg.getType() != null)
type = msg.getType();
subjects = msg.getSubjects();
bodys = msg.getBodys();
thread = msg.getThread();
extras = msg.getExtra();
}
else if (value instanceof Serializable[]) {
extras = (Serializable[]) value;
}
else {
extra = value;
}
synchronized (out) {
out.writeStartElement("", "message", JABBERC_NS);
out.writeDefaultNamespace(JABBERC_NS);
if (to != null)
out.writeAttribute("to", to);
if (from != null)
out.writeAttribute("from", from);
if (type != null)
out.writeAttribute("type", type);
if (subjects != null) {
for (Text subject : subjects) {
out.writeStartElement("subject");
if (subject.getLang() != null)
out.writeAttribute("xml", "http://xml.org", "lang", subject.getLang());
out.writeCharacters(subject.getValue());
out.writeEndElement(); // </subject>
}
}
if (bodys != null) {
for (Text body : bodys) {
out.writeStartElement("body");
if (body.getLang() != null)
out.writeAttribute("xml", "http://xml.org", "lang",
body.getLang());
out.writeCharacters(body.getValue());
out.writeEndElement(); // </body>
}
}
if (thread != null) {
out.writeStartElement("thread");
out.writeCharacters(thread);
out.writeEndElement(); // </thread>
}
if (extra != null) {
out.writeValue(extra);
}
if (extras != null) {
for (Serializable extraItem : extras) {
out.writeValue(extraItem);
}
}
out.writeEndElement(); // </message>
out.flush();
}
if (log.isLoggable(Level.FINER)) {
log.finer(this + " sendMessage to=" + to + " from=" + from
+ " msg=" + value);
}
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* Sends a query get message to the stream
*/
public void sendQuery(String id, String to, String from,
Serializable value, String type,
BamError error)
{
try {
XmppStreamWriterImpl out = _out;
synchronized (out) {
out.writeStartElement("iq");
out.writeDefaultNamespace(JABBERC_NS);
out.writeAttribute("id", id);
out.writeAttribute("type", type);
if (to != null)
out.writeAttribute("to", to);
if (from != null)
out.writeAttribute("from", from);
out.writeValue(value);
out.writeEndElement(); // </iq>
out.flush();
}
if (log.isLoggable(Level.FINER)) {
log.finer(this + " sendQuery type=" + type + " id=" + id
+ " to=" + to + " from=" + from
+ " query=" + value);
}
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* Sends a presence message to the stream
*/
void sendPresence(String to, String from,
Serializable value,
String type,
BamError error)
{
try {
XmppStreamWriterImpl out = _out;
synchronized (out) {
out.writeStartElement("presence");
out.writeDefaultNamespace(JABBERC_NS);
ImPresence imPresence = null;
Text status = null;
if (value instanceof ImPresence) {
imPresence = (ImPresence) value;
if (to == null)
to = imPresence.getTo();
if (from == null)
from = imPresence.getFrom();
status = imPresence.getStatus();
}
if (to != null)
out.writeAttribute("to", to);
if (from != null)
out.writeAttribute("from", from);
if (type != null)
out.writeAttribute("type", type);
if (status != null) {
out.writeStartElement("status");
if (status.getLang() != null)
out.writeAttribute("xml", "http://xml.org", "lang",
status.getLang());
out.writeCharacters(status.getValue());
out.writeEndElement(); // </status>
}
if (imPresence == null)
out.writeValue(value);
out.writeEndElement(); // </presence>
out.flush();
}
if (log.isLoggable(Level.FINER)) {
log.finer(this + " sendPresence type=" + type
+ " to=" + to + " from=" + from
+ " value=" + value);
}
} catch (Exception e) {
throw new RuntimeException(e);
}
}
@Override
public String toString()
{
return getClass().getSimpleName() + "[" + "]";
}
}