mirror of https://github.com/sipwise/jitsi.git
Yana Stamcheva
19 years ago
parent
7c1212b670
commit
4c6085ca14
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/*
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* SIP Communicator, the OpenSource Java VoIP and Instant Messaging client.
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*
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* Distributable under LGPL license.
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* See terms of license at gnu.org.
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*/
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package net.java.sip.communicator.impl.protocol.jabber.extensions.whiteboard;
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import java.io.*;
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import javax.xml.parsers.*;
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import net.java.sip.communicator.impl.protocol.jabber.*;
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import net.java.sip.communicator.util.*;
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import org.jivesoftware.smack.packet.*;
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import org.w3c.dom.*;
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public class WhiteboardSessionPacketExtension
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implements PacketExtension
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{
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private Logger logger
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= Logger.getLogger(WhiteboardSessionPacketExtension.class);
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/**
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* A type string constant indicating that the user would like to leave the
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* current white board session.
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*/
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public static final String ACTION_LEAVE = "LEAVE";
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/**
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* The name of the XML element used for transport of white-board parameters.
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*/
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public static final String ELEMENT_NAME = "xSession";
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/**
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* The names XMPP space that the white-board elements belong to.
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*/
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public static final String NAMESPACE = "http://jabber.org/protocol/swb";
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/**
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* The current action associated with the WhiteboardObject.
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*/
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private String action;
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/**
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* The white board session for which the action is about.
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*/
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private WhiteboardSessionJabberImpl whiteboardSession;
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/**
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* The address of the contact associated with this packet extension.
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*/
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private String contactAddress;
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private String whiteboardSessionId;
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/**
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* Constructs and initializes a WhiteboardObjectPacketExtension.
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*
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* @param session The WhiteboardSession to be treated
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* @param contactAddress The address of the contact associated with this
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* packet extension
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* @param action The current action associated with the WhiteboardSession.
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*/
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public WhiteboardSessionPacketExtension (
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WhiteboardSessionJabberImpl session,
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String contactAddress,
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String action)
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{
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this.whiteboardSession = session;
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this.whiteboardSessionId = session.getWhiteboardID();
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this.contactAddress = contactAddress;
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this.action = action;
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}
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/**
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* WhiteboardSessionPacketExtension constructor with a XML-SVG String.
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*
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* @param xml XML-SVG String
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*/
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public WhiteboardSessionPacketExtension (String xml)
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{
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DocumentBuilderFactory factory =
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DocumentBuilderFactory.newInstance ();
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DocumentBuilder builder;
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try
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{
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builder = factory.newDocumentBuilder ();
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InputStream in = new ByteArrayInputStream (xml.getBytes ());
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Document doc = builder.parse (in);
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Element e = doc.getDocumentElement ();
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String elementName = e.getNodeName ();
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if (elementName.equals (ACTION_LEAVE))
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{
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this.setWhiteboardSessionId(e.getAttribute ("id"));
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this.setContactAddress(e.getAttribute ("userId"));
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this.action = WhiteboardSessionPacketExtension.ACTION_LEAVE;
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}
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else
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logger.debug ("Element name unknown!");
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}
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catch (ParserConfigurationException ex)
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{
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logger.debug ("Problem WhiteboardSession : " + xml, ex);
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}
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catch (IOException ex)
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{
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logger.debug ("Problem WhiteboardSession : " + xml, ex);
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}
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catch (Exception ex)
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{
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logger.debug ("Problem WhiteboardSession : " + xml, ex);
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}
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}
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/**
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* Returns the root element name.
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*
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* @return the element name.
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*/
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public String getElementName ()
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{
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return ELEMENT_NAME;
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}
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/**
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* Returns the root element XML namespace.
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*
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* @return the namespace.
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*/
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public String getNamespace ()
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{
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return NAMESPACE;
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}
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public String toXML()
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{
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String s = "";
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if(action.equals (
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WhiteboardSessionPacketExtension.ACTION_LEAVE))
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{
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s = "<LEAVE id=\"#sessionId\" userId=\"#userId\"/>";
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s = s.replaceAll ("#sessionId", whiteboardSession.getWhiteboardID());
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s = s.replaceAll ("#userId", contactAddress);
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}
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return "<" + WhiteboardSessionPacketExtension.ELEMENT_NAME +
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" xmlns=\"" + WhiteboardSessionPacketExtension.NAMESPACE +
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"\">"+s+"</" + WhiteboardSessionPacketExtension.ELEMENT_NAME + ">";
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}
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/**
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* Returns the white board session identifier.
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*
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* @return the white board session identifier
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*/
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public String getWhiteboardSessionId()
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{
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return whiteboardSessionId;
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}
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/**
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* Sets the white board session identifier.
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*
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* @param whiteboardSessionId the identifier of the session
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*/
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public void setWhiteboardSessionId(String whiteboardSessionId)
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{
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this.whiteboardSessionId = whiteboardSessionId;
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}
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/**
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* Returns the action associated with this session packet extension.
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*
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* @return the action associated with this session packet extension.
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*/
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public String getAction()
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{
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return action;
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}
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/**
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* Sets the action associated with this session packet extension.
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*
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* @param action the action associated with this session packet extension.
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*/
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public void setAction(String action)
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{
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this.action = action;
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}
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/**
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* Returns the address of the contact associated with this packet extension
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*
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* @return the address of the contact associated with this packet extension
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*/
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public String getContactAddress()
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{
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return contactAddress;
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}
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/**
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* Sets the address of the contact associated with this packet extension
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*
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* @param contactAddress the address of the contact associated with this
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* packet extension
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*/
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public void setContactAddress(String contactAddress)
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{
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this.contactAddress = contactAddress;
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}
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}
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