/*
* Jitsi, the OpenSource Java VoIP and Instant Messaging client.
*
* Copyright @ 2015 Atlassian Pty Ltd
*
* 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 net.java.sip.communicator.impl.protocol.jabber.extensions.whiteboard;
import java.io.*;
import javax.xml.parsers.*;
import net.java.sip.communicator.service.protocol.*;
import net.java.sip.communicator.service.protocol.whiteboardobjects.*;
import net.java.sip.communicator.util.*;
import org.jitsi.util.xml.*;
import org.w3c.dom.*;
/**
* WhiteboardObjectImageJabberImpl
* <p>
* WhiteboardObjectImageJabberImpl are created through
* the <tt>WhiteboardSession</tt> session.
* <p>
*
* All WhiteboardObjectImageJabberImpl have whiteboard object id.
* @author Julien Waechter
*/
public class WhiteboardObjectImageJabberImpl
extends WhiteboardObjectJabberImpl
implements WhiteboardObjectImage
{
private static final Logger logger =
Logger.getLogger (WhiteboardObjectImageJabberImpl.class);
/**
* The height value of this object (in pixel)
*/
private double height;
/**
* The width value of this object (in pixel)
*/
private double width;
/**
* The coordinates of this object.
*/
private WhiteboardPoint whiteboardPoint;
/**
* A binary array containing the image that should be
* displayed as the object background.
*/
private byte[] background;
/**
* Default WhiteboardObjectImageJabberImpl constructor.
*/
public WhiteboardObjectImageJabberImpl ()
{
super ();
}
/**
* WhiteboardObjectImageJabberImpl constructor.
*
* @param xml the XML string object to parse.
*/
public WhiteboardObjectImageJabberImpl (String xml)
{
try
{
DocumentBuilder builder
= XMLUtils.newDocumentBuilderFactory().newDocumentBuilder();
InputStream in = new ByteArrayInputStream (xml.getBytes ());
Document doc = builder.parse (in);
Element e = doc.getDocumentElement ();
String elementName = e.getNodeName ();
if (elementName.equals ("image"))
{
//we have an image
String id = e.getAttribute ("id");
double x = Double.parseDouble (e.getAttribute ("x"));
double y = Double.parseDouble (e.getAttribute ("y"));
double width = Double.parseDouble (e.getAttribute ("width"));
double height = Double.parseDouble (e.getAttribute ("height"));
String img = e.getTextContent ();
this.setID (id);
this.setWhiteboardPoint (new WhiteboardPoint (x, y));
this.setWidth (width);
this.setHeight (height);
this.setBackgroundImage(Base64.decode(img));
}
}
catch (ParserConfigurationException ex)
{
if (logger.isDebugEnabled())
logger.debug ("Problem WhiteboardObject : "+xml);
}
catch (IOException ex)
{
if (logger.isDebugEnabled())
logger.debug ("Problem WhiteboardObject : "+xml);
}
catch (Exception ex)
{
if (logger.isDebugEnabled())
logger.debug ("Problem WhiteboardObject : "+xml);
}
}
/**
* Returns the height (in pixels) of the WhiteboardObject.
*
* @return The height.
*/
public double getHeight ()
{
return this.height;
}
/**
* Returns the width (in pixels) of the WhiteboardObject.
*
* @return The width.
*/
public double getWidth ()
{
return this.width;
}
/**
* Returns the coordinates of this whiteboard object.
*
* @return the coordinates of this object.
*/
public WhiteboardPoint getWhiteboardPoint ()
{
return whiteboardPoint;
}
/**
* Sets the coordinates of this whiteboard object.
*
* @param whiteboardPoint the coordinates of this object.
*/
public void setWhiteboardPoint (WhiteboardPoint whiteboardPoint)
{
this.whiteboardPoint = whiteboardPoint;
}
/**
* Sets the width (in pixels) of the WhiteboardObject.
*
* @param height The new height.
*/
public void setHeight (double height)
{
this.height = height;
}
/**
* Sets the width (in pixels) of the WhiteboardObject.
*
* @param width The new width.
*/
public void setWidth (double width)
{
this.width = width;
}
/**
* Specifies an image that should be displayed as the background of this
* object.
*
* @param background a binary array containing the image that should be
* displayed as the object background.
*/
public void setBackgroundImage (byte[] background)
{
this.background = background;
}
/**
* Returns a binary array containing the image that should be displayed as
* the background of this <tt>WhiteboardObject</tt>.
*
* @return a binary array containing the image that should be displayed as
* the object background.
*/
public byte[] getBackgroundImage ()
{
return this.background;
}
/**
* Returns the XML reppresentation of the PacketExtension.
*
* @return the packet extension as XML.
* @todo Implement this org.jivesoftware.smack.packet.PacketExtension
* method
*/
@Override
public String toXML ()
{
String s
= "<image id=\"#id\" x=\"#x\" y=\"#y\" width=\"#w\" height=\"#h\">"
+ "#img</image>";
s = s.replaceAll ("#id", getID ());
WhiteboardPoint p = getWhiteboardPoint ();
s = s.replaceAll ("#x", ""+p.getX ());
s = s.replaceAll ("#y", ""+p.getY ());
s = s.replaceAll ("#w", ""+getWidth ());
s = s.replaceAll ("#h", ""+getHeight ());
String img = new String (Base64.encode (getBackgroundImage ()));
s = s.replaceAll ("#img", img);
return s;
}
}