/*
* Copyright 2010-2011 Research In Motion Limited.
*
* 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 blackberry.push;
import net.rim.device.api.script.ScriptableFunction;
import blackberry.core.FunctionSignature;
import blackberry.core.ScriptableFunctionBase;
import blackberry.identity.transport.TransportObject;
/**
* Class to implement the script function openPushListener()
*/
class OpenPushListenerFunction extends ScriptableFunctionBase {
/**
* @see ScriptableFunctionBase#execute(Object, Object[])
*/
protected Object execute( Object thiz, Object[] args ) throws Exception {
// parse max queue capacity if available
int maxQueueCap = -1;
if( args.length > 3 ) {
maxQueueCap = ( (Integer) args[ 3 ] ).intValue();
}
// open the channel
PushService.getInstance().openPushChannel( ( (Integer) args[ 1 ] ).intValue(), (ScriptableFunction) args[ 0 ],
maxQueueCap );
return UNDEFINED;
}
/**
* @see ScriptableFunctionBase#validateArgs(Object[])
*/
protected void validateArgs( Object[] args ) {
super.validateArgs( args );
int port = ( (Integer) args[ 1 ] ).intValue();
if( port < 0 ) {
throw new IllegalArgumentException( "Invalid port." );
} else if( !PushService.isValidPort( port ) ) {
throw new IllegalArgumentException( "Reserved port" );
}
}
/**
* @see blackberry.core.ScriptableFunctionBase#getFunctionSignatures()
*/
protected FunctionSignature[] getFunctionSignatures() {
FunctionSignature fs = new FunctionSignature( 4 );
fs.addParam( ScriptableFunction.class, true );
fs.addParam( Integer.class, true );
fs.addParam( TransportObject.class, false );
fs.addParam( Integer.class, false );
return new FunctionSignature[] { fs };
}
}