| /** |
| * $RCSfile$ |
| * $Revision$ |
| * $Date$ |
| * |
| * 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.<p> |
| * |
| * The following link summarizes the requirements of XHTML IM: |
| * <a href="http://www.jabber.org/jeps/jep-0071.html#sect-id2598018">Valid tags</a>.<p> |
| * |
| * Warning: this is an non-standard protocol documented by |
| * <a href="http://www.jabber.org/jeps/jep-0071.html">JEP-71</a>. Because this is a |
| * non-standard protocol, it is subject to change. |
| * |
| * @author Gaston Dombiak |
| */ |
| public class XHTMLExtension implements PacketExtension { |
| |
| private List<String> bodies = new ArrayList<String>(); |
| |
| /** |
| * 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: |
| * <pre> |
| * <message id="MlIpV-4" to="gato1@gato.home" from="gato3@gato.home/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> |
| * </pre> |
| * |
| */ |
| 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<String> i = getBodies(); i.hasNext();) { |
| buf.append(i.next()); |
| } |
| buf.append("</").append(getElementName()).append(">"); |
| return buf.toString(); |
| } |
| |
| /** |
| * Returns an Iterator for the bodies in the packet. |
| * |
| * @return an Iterator for the bodies in the packet. |
| */ |
| public Iterator<String> getBodies() { |
| synchronized (bodies) { |
| return Collections.unmodifiableList(new ArrayList<String>(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(); |
| } |
| |
| } |