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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.zeroconf;
import java.io.*;
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 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<String, byte[]> iconsTable
= new Hashtable<String, byte[]>();
static
{
iconsTable.put(ProtocolIcon.ICON_SIZE_16x16,
getImageInBytes("service.protocol.zeroconf.ZEROCONF_16x16"));
iconsTable.put(ProtocolIcon.ICON_SIZE_32x32,
getImageInBytes("service.protocol.zeroconf.ZEROCONF_32x32"));
iconsTable.put(ProtocolIcon.ICON_SIZE_48x48,
getImageInBytes("service.protocol.zeroconf.ZEROCONF_48x48"));
iconsTable.put(ProtocolIcon.ICON_SIZE_64x64,
getImageInBytes("service.protocol.zeroconf.ZEROCONF_64x64"));
}
/**
* A hash table containing the protocol icon in different sizes.
*/
private static Hashtable<String, String> iconPathsTable
= new Hashtable<String, String>();
static
{
iconPathsTable.put(ProtocolIcon.ICON_SIZE_16x16,
getResources().getImagePath(
"service.protocol.zeroconf.ZEROCONF_16x16"));
iconPathsTable.put(ProtocolIcon.ICON_SIZE_32x32,
getResources().getImagePath(
"service.protocol.zeroconf.ZEROCONF_32x32"));
iconPathsTable.put(ProtocolIcon.ICON_SIZE_48x48,
getResources().getImagePath(
"service.protocol.zeroconf.ZEROCONF_48x48"));
iconPathsTable.put(ProtocolIcon.ICON_SIZE_64x64,
getResources().getImagePath(
"service.protocol.zeroconf.ZEROCONF_64x64"));
}
/**
* 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.
* @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 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 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;
}
/**
* Returns the <tt>ResourceManagementService</tt>.
*
* @return the <tt>ResourceManagementService</tt>
*/
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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