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/*
* 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;
import java.io.*;
import java.net.*;
import java.util.*;
import net.java.sip.communicator.service.protocol.*;
import net.java.sip.communicator.util.*;
import org.jitsi.service.resources.*;
import org.osgi.framework.*;
/**
* Represents the Jabber protocol icon. Implements the <tt>ProtocolIcon</tt>
* interface in order to provide a Jabber icon image in two different sizes.
*
* @author Yana Stamcheva
* @author Lubomir Marinov
*/
public class ProtocolIconJabberImpl
implements ProtocolIcon
{
/**
* The <tt>Logger</tt> used by the <tt>ProtocolIconJabberImpl</tt> class and
* its instances for logging output.
*/
private static final Logger logger
= Logger.getLogger(ProtocolIconJabberImpl.class);
/**
* The path where all protocol icons are placed.
*/
private final String iconPath;
private static ResourceManagementService resourcesService;
/**
* A hash table containing the protocol icon in different sizes.
*/
private final Hashtable<String, byte[]> iconsTable
= new Hashtable<String, byte[]>();
/**
* A hash table containing the path to the protocol icon in different sizes.
*/
private final Hashtable<String, String> iconPathsTable
= new Hashtable<String, String>();
/**
* Creates an instance of this class by passing to it the path, where all
* protocol icons are placed.
*
* @param iconPath the protocol icon path
*/
public ProtocolIconJabberImpl(String iconPath)
{
this.iconPath = iconPath;
iconsTable.put(ProtocolIcon.ICON_SIZE_16x16, loadIcon(iconPath
+ "/status16x16-online.png"));
iconsTable.put(ProtocolIcon.ICON_SIZE_32x32, loadIcon(iconPath
+ "/logo32x32.png"));
iconsTable.put(ProtocolIcon.ICON_SIZE_48x48, loadIcon(iconPath
+ "/logo48x48.png"));
iconPathsTable.put(ProtocolIcon.ICON_SIZE_16x16,
iconPath + "/status16x16-online.png");
iconPathsTable.put(ProtocolIcon.ICON_SIZE_32x32,
iconPath + "/logo32x32.png");
iconPathsTable.put(ProtocolIcon.ICON_SIZE_48x48,
iconPath + "/logo48x48.png");
}
/**
* Implements the <tt>ProtocolIcon.getSupportedSizes()</tt> method. Returns
* an iterator to a set containing the supported icon sizes.
* @return an iterator to a set containing the supported icon sizes
*/
public Iterator<String> getSupportedSizes()
{
return iconsTable.keySet().iterator();
}
/**
* Returns TRUE if a icon with the given size is supported, FALSE-otherwise.
*
* @return TRUE if a icon with the given size is supported, FALSE-otherwise.
*/
public boolean isSizeSupported(String iconSize)
{
return iconsTable.containsKey(iconSize);
}
/**
* Returns the icon image in the given size.
* @param iconSize the icon size; one of ICON_SIZE_XXX constants
*/
public byte[] getIcon(String iconSize)
{
return iconsTable.get(iconSize);
}
/**
* Returns a path to the icon with the given size.
* @param iconSize the size of the icon we're looking for
* @return the path to the icon with the given size
*/
public String getIconPath(String iconSize)
{
return iconPathsTable.get(iconSize);
}
/**
* Returns the icon image used to represent the protocol connecting state.
* @return the icon image used to represent the protocol connecting state
*/
public byte[] getConnectingIcon()
{
return loadIcon(iconPath + "/status16x16-connecting.gif");
}
/**
* Loads an image from a given image path.
* @param imagePath The identifier of the image.
* @return The image for the given identifier.
*/
public static byte[] loadIcon(String imagePath) {
InputStream is = null;
try
{
// try to load path it maybe valid url
is = new URL(imagePath).openStream();
}
catch (Exception e)
{}
if(is == null)
is = getResources().getImageInputStreamForPath(imagePath);
if(is == null)
return new byte[0];
byte[] icon = null;
try {
icon = new byte[is.available()];
is.read(icon);
} catch (IOException e) {
logger.error("Failed to load icon: " + imagePath, e);
}
return icon;
}
/**
* Get the <tt>ResourceMaangementService</tt> registered.
*
* @return <tt>ResourceManagementService</tt> registered
*/
public static ResourceManagementService getResources()
{
if (resourcesService == null)
{
ServiceReference serviceReference = JabberActivator.bundleContext
.getServiceReference(ResourceManagementService.class.getName());
if(serviceReference == null)
return null;
resourcesService
= (ResourceManagementService)JabberActivator.bundleContext
.getService(serviceReference);
}
return resourcesService;
}
}
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