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/*
* SIP Communicator, the OpenSource Java VoIP and Instant Messaging client.
*
* Distributable under LGPL license.
* See terms of license at gnu.org.
*/
package net.java.sip.communicator.impl.protocol.zeroconf;
import java.io.*;
import java.util.*;
import net.java.sip.communicator.service.protocol.*;
import net.java.sip.communicator.service.resources.*;
import net.java.sip.communicator.util.*;
import org.osgi.framework.*;
/**
* Reperesents the zeroconf protocol icon. Implements the <tt>ProtocolIcon</tt>
* interface in order to provide a zeroconf logo image in two different sizes.
*
* @author Christian Vincenot
* @author Jonathan Martin
*/
public class ProtocolIconZeroconfImpl
implements ProtocolIcon
{
private static Logger logger
= Logger.getLogger(ProtocolIconZeroconfImpl.class);
private static ResourceManagementService resourcesService;
/**
* A hash table containing the protocol icon in different sizes.
*/
private static Hashtable iconsTable = new Hashtable();
static
{
iconsTable.put(ProtocolIcon.ICON_SIZE_16x16,
getImageInBytes("zeroconfOnlineIcon"));
iconsTable.put(ProtocolIcon.ICON_SIZE_64x64,
getImageInBytes("pageImageZeroconf"));
}
/**
* 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 getSupportedSizes()
{
return iconsTable.keySet().iterator();
}
/**
* Returne TRUE if a icon with the given size is supported, FALSE-otherwise.
* @param iconSize Icon size
* @return True if this 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
* @return Icon image
*/
public byte[] getIcon(String iconSize)
{
return (byte[])iconsTable.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 getImageInBytes("zeroconfOnlineIcon");
}
/**
* Returns the byte representation of the image corresponding to the given
* identifier.
*
* @param imageID the identifier of the image
* @return the byte representation of the image corresponding to the given
* identifier.
*/
public static byte[] getImageInBytes(String imageID)
{
InputStream in = getResources().
getImageInputStream(imageID);
if (in == null)
return null;
byte[] image = null;
try
{
image = new byte[in.available()];
in.read(image);
}
catch (IOException e)
{
logger.error("Failed to load image:" + imageID, e);
}
return image;
}
public static ResourceManagementService getResources()
{
if (resourcesService == null)
{
ServiceReference serviceReference = ZeroconfActivator.bundleContext
.getServiceReference(ResourceManagementService.class.getName());
if(serviceReference == null)
return null;
resourcesService = (ResourceManagementService)ZeroconfActivator.bundleContext
.getService(serviceReference);
}
return resourcesService;
}
}
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