/*
* 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.invoke.javaArguments;
import net.rim.device.api.script.Scriptable;
import blackberry.core.FunctionSignature;
import blackberry.core.ScriptableFunctionBase;
/**
* The JavaArgumentsConstructor class is used to create new JavaArgumentsObject object.
*
* @author sgolod
*
*/
public class JavaArgumentsConstructor extends ScriptableFunctionBase {
public static final String NAME = "JavaArguments";
/**
* @see net.rim.device.api.script.ScriptableFunction#construct(java.lang.Object, java.lang.Object[])
*/
public Object construct( final Object thiz, final Object[] args ) throws Exception {
final StringBuffer urlBuffer = new StringBuffer();
urlBuffer.append( (String) args[ 0 ] );
// If there is params, which should be an Object represents a String array
if( args.length == 2 ) {
// params
final Scriptable stringArray = (Scriptable) args[ 1 ];
final int count = stringArray.getElementCount();
for( int i = 0; i < count; i++ ) {
if( i == 0 ) {
urlBuffer.append( "?" );
} else {
urlBuffer.append( "&" );
}
try {
urlBuffer.append( stringArray.getElement( i ).toString() );
} catch( final Exception e ) {
throw new IllegalArgumentException( "Problem occurred when parsing parameters. " + e.getMessage() );
}
}
}
return new JavaArgumentsObject( urlBuffer.toString() );
}
/**
* @see blackberry.core.ScriptableFunctionBase#getFunctionSignatures()
*/
protected FunctionSignature[] getFunctionSignatures() {
final FunctionSignature fs = new FunctionSignature( 2 );
fs.addParam( String.class, true );
fs.addParam( Scriptable.class, false );
return new FunctionSignature[] { fs };
}
/**
* @see blackberry.core.ScriptableFunctionBase#execute(java.lang.Object, java.lang.Object[])
*/
protected Object execute( final Object thiz, final Object[] args ) throws Exception {
return UNDEFINED;
}
}