org.jivesoftware.smackx.packet.XHTMLExtension Maven / Gradle / Ivy
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/**
* $RCSfile$
* $Revision: 7071 $
* $Date: 2007-02-11 18:59:05 -0600 (Sun, 11 Feb 2007) $
*
* Copyright 2003-2007 Jive Software.
*
* All rights reserved. Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jivesoftware.smackx.packet;
import org.jivesoftware.smack.packet.PacketExtension;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
/**
* An XHTML sub-packet, which is used by XMPP clients to exchange formatted text. The XHTML
* extension is only a subset of XHTML 1.0.
*
* The following link summarizes the requirements of XHTML IM:
* Valid tags.
*
* Warning: this is an non-standard protocol documented by
* JEP-71. Because this is a
* non-standard protocol, it is subject to change.
*
* @author Gaston Dombiak
*/
public class XHTMLExtension implements PacketExtension {
private List bodies = new ArrayList();
/**
* Returns the XML element name of the extension sub-packet root element.
* Always returns "html"
*
* @return the XML element name of the packet extension.
*/
public String getElementName() {
return "html";
}
/**
* Returns the XML namespace of the extension sub-packet root element.
* According the specification the namespace is always "http://jabber.org/protocol/xhtml-im"
*
* @return the XML namespace of the packet extension.
*/
public String getNamespace() {
return "http://jabber.org/protocol/xhtml-im";
}
/**
* Returns the XML representation of a XHTML extension according the specification.
*
* Usually the XML representation will be inside of a Message XML representation like
* in the following example:
*
* <message id="MlIpV-4" to="[email protected]" from="[email protected]/Smack">
* <subject>Any subject you want</subject>
* <body>This message contains something interesting.</body>
* <html xmlns="http://jabber.org/protocol/xhtml-im">
* <body><p style='font-size:large'>This message contains something <em>interesting</em>.</p></body>
* </html>
* </message>
*
*
*/
public String toXML() {
StringBuilder buf = new StringBuilder();
buf.append("<").append(getElementName()).append(" xmlns=\"").append(getNamespace()).append(
"\">");
// Loop through all the bodies and append them to the string buffer
for (Iterator i = getBodies(); i.hasNext();) {
buf.append((String) i.next());
}
buf.append("");
return buf.toString();
}
/**
* Returns an Iterator for the bodies in the packet.
*
* @return an Iterator for the bodies in the packet.
*/
public Iterator getBodies() {
synchronized (bodies) {
return Collections.unmodifiableList(new ArrayList(bodies)).iterator();
}
}
/**
* Adds a body to the packet.
*
* @param body the body to add.
*/
public void addBody(String body) {
synchronized (bodies) {
bodies.add(body);
}
}
/**
* Returns a count of the bodies in the XHTML packet.
*
* @return the number of bodies in the XHTML packet.
*/
public int getBodiesCount() {
return bodies.size();
}
}