/**
* Copyright 2005-2014 Restlet
*
* The contents of this file are subject to the terms of one of the following
* open source licenses: Apache 2.0 or or EPL 1.0 (the "Licenses"). You can
* select the license that you prefer but you may not use this file except in
* compliance with one of these Licenses.
*
* You can obtain a copy of the Apache 2.0 license at
* http://www.opensource.org/licenses/apache-2.0
*
* You can obtain a copy of the EPL 1.0 license at
* http://www.opensource.org/licenses/eclipse-1.0
*
* See the Licenses for the specific language governing permissions and
* limitations under the Licenses.
*
* Alternatively, you can obtain a royalty free commercial license with less
* limitations, transferable or non-transferable, directly at
* http://restlet.com/products/restlet-framework
*
* Restlet is a registered trademark of Restlet S.A.S.
*/
package org.restlet.ext.wadl;
import java.io.IOException;
import java.util.List;
import org.restlet.data.MediaType;
import org.restlet.data.Preference;
import org.restlet.engine.converter.ConverterHelper;
import org.restlet.engine.resource.VariantInfo;
import org.restlet.representation.Representation;
import org.restlet.representation.Variant;
import org.restlet.resource.Resource;
/**
* A converter helper to convert between {@link ApplicationInfo} objects and
* {@link WadlRepresentation} ones.
*
* @author Thierry Boileau
*/
public class WadlConverter extends ConverterHelper {
private static final VariantInfo VARIANT_APPLICATION_WADL = new VariantInfo(
MediaType.APPLICATION_WADL);
@Override
public List<Class<?>> getObjectClasses(Variant source) {
List<Class<?>> result = null;
if (VARIANT_APPLICATION_WADL.includes(source)) {
result = addObjectClass(result, ApplicationInfo.class);
}
return result;
}
@Override
public List<VariantInfo> getVariants(Class<?> source) {
List<VariantInfo> result = null;
if (ApplicationInfo.class.isAssignableFrom(source)) {
result = addVariant(result, VARIANT_APPLICATION_WADL);
}
return result;
}
@Override
public float score(Object source, Variant target, Resource resource) {
if (source instanceof ApplicationInfo) {
return 1.0f;
}
return -1.0f;
}
@Override
public <T> float score(Representation source, Class<T> target,
Resource resource) {
float result = -1.0F;
if ((source != null)
&& (ApplicationInfo.class.isAssignableFrom(target))) {
result = 1.0F;
}
return result;
}
@Override
public <T> T toObject(Representation source, Class<T> target,
Resource resource) throws IOException {
WadlRepresentation wadlSource = null;
if (source instanceof WadlRepresentation) {
wadlSource = (WadlRepresentation) source;
} else {
wadlSource = new WadlRepresentation(source);
}
T result = null;
if (target != null) {
if (ApplicationInfo.class.isAssignableFrom(target)) {
result = target.cast(wadlSource.getApplication());
}
}
return result;
}
@Override
public Representation toRepresentation(Object source, Variant target,
Resource resource) throws IOException {
if (source instanceof ApplicationInfo) {
return new WadlRepresentation((ApplicationInfo) source);
}
return null;
}
@Override
public <T> void updatePreferences(List<Preference<MediaType>> preferences,
Class<T> entity) {
if (ApplicationInfo.class.isAssignableFrom(entity)) {
updatePreferences(preferences, MediaType.APPLICATION_WADL, 1.0F);
}
}
}