/*
* 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.mapsArguments;
import org.w3c.dom.Document;
import org.w3c.dom.ls.DOMImplementationLS;
import blackberry.core.FunctionSignature;
import blackberry.core.ScriptableFunctionBase;
import blackberry.pim.address.AddressObject;
/**
* The MapsArgumentsConstructor class is used to create new MapsArgumentsObject object.
*
* @author sgolod
*
*/
public class MapsArgumentsConstructor extends ScriptableFunctionBase {
public static final String NAME = "MapsArguments";
/**
* @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 {
if( args != null && args.length > 0 ) {
if( args.length == 2 ) {
return new MapsArgumentsObject( Double.parseDouble( args[ 0 ].toString() ), Double.parseDouble( args[ 1 ]
.toString() ) );
} else if( args[ 0 ] instanceof AddressObject ) {
return new MapsArgumentsObject( (AddressObject) args[ 0 ] );
} else if( args[ 0 ] instanceof String ) {
return new MapsArgumentsObject( (String) args[ 0 ] );
} else if( args[ 0 ] instanceof Document ) {
Document doc = (Document) args[ 0 ];
// This works on 5.0 device only
try {
String st = ( (DOMImplementationLS) doc.getImplementation() ).createLSSerializer().writeToString( doc );
return new MapsArgumentsObject( st );
} catch( Exception e ) {
throw new IllegalArgumentException( "Document objects are only supported in 5.0." );
}
}
}
return new MapsArgumentsObject();
}
/**
* @see blackberry.core.ScriptableFunctionBase#validateArgs(java.lang.Object[])
*/
protected void validateArgs( final Object[] args ) {
super.validateArgs( args );
// additional validation
// blackberry.invoke.MapsArguments ( latitude : Number , longitude : Number ) - Number is
// returned as either an Integer or Double
if( args != null && args.length == 2 ) {
if( !( args[ 0 ] instanceof Integer || args[ 0 ] instanceof Double ) ) {
throw new IllegalArgumentException( "Invalid type - " + args[ 0 ].getClass().toString() );
}
if( !( args[ 1 ] instanceof Integer || args[ 1 ] instanceof Double ) ) {
throw new IllegalArgumentException( "Invalid type - " + args[ 1 ].getClass().toString() );
}
}
}
/**
* @see blackberry.core.ScriptableFunctionBase#getFunctionSignatures()
*/
protected FunctionSignature[] getFunctionSignatures() {
final FunctionSignature fs1 = new FunctionSignature( 2 );
fs1.addParam( Object.class, true );
fs1.addParam( Object.class, true );
final FunctionSignature fs2 = new FunctionSignature( 1 );
fs2.addParam( String.class, true );
final FunctionSignature fs3 = new FunctionSignature( 1 );
fs3.addParam( AddressObject.class, true );
return new FunctionSignature[] { new FunctionSignature( 0 ), fs1, fs2, fs3 };
}
/**
* @see blackberry.core.ScriptableFunctionBase#execute(java.lang.Object, java.lang.Object[])
*/
protected Object execute( final Object thiz, final Object[] args ) throws Exception {
return UNDEFINED;
}
}