/**
* Copyright 2005-2011 Noelios Technologies.
*
* The contents of this file are subject to the terms of one of the following
* open source licenses: LGPL 3.0 or LGPL 2.1 or CDDL 1.0 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 LGPL 3.0 license at
* http://www.opensource.org/licenses/lgpl-3.0.html
*
* You can obtain a copy of the LGPL 2.1 license at
* http://www.opensource.org/licenses/lgpl-2.1.php
*
* You can obtain a copy of the CDDL 1.0 license at
* http://www.opensource.org/licenses/cddl1.php
*
* You can obtain a copy of the EPL 1.0 license at
* http://www.opensource.org/licenses/eclipse-1.0.php
*
* 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://www.noelios.com/products/restlet-engine
*
* Restlet is a registered trademark of Noelios Technologies.
*/
package org.restlet.ext.jaxrs.internal.wrappers.params;
import java.io.IOException;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import java.lang.reflect.InvocationTargetException;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.MultivaluedMap;
import org.restlet.Request;
import org.restlet.data.MediaType;
import org.restlet.ext.jaxrs.internal.core.ThreadLocalizedContext;
import org.restlet.ext.jaxrs.internal.exceptions.ConvertRepresentationException;
import org.restlet.ext.jaxrs.internal.exceptions.NoMessageBodyReaderException;
import org.restlet.ext.jaxrs.internal.util.Util;
import org.restlet.ext.jaxrs.internal.wrappers.params.ParameterList.ParamGetter;
import org.restlet.ext.jaxrs.internal.wrappers.provider.MessageBodyReader;
import org.restlet.ext.jaxrs.internal.wrappers.provider.MessageBodyReaderSet;
import org.restlet.representation.Representation;
/**
* An EntityGetter converts the given entity from the request to the type
* requested by the resource method.<br>
* This class is not used, if a subclass of {@link Representation} is requested,
* see {@link ReprEntityGetter} and its subclasses.
*
* @author Stephan Koops
*/
public class EntityGetter implements ParamGetter {
private final Annotation[] annotations;
/**
* The class to convert to, directly as the type in the parameter list.
*/
protected volatile Class<?> convToCl;
private final Type convToGen;
private final MessageBodyReaderSet mbrs;
protected final ThreadLocalizedContext tlContext;
EntityGetter(Class<?> convToCl, Type convToGen,
ThreadLocalizedContext tlContext, MessageBodyReaderSet mbrs,
Annotation[] annotations) {
this.tlContext = tlContext;
this.mbrs = mbrs;
this.convToCl = convToCl;
this.convToGen = convToGen;
this.annotations = annotations;
}
/**
* @throws ConvertRepresentationException
* @throws WebApplicationException
* @throws NoMessageBodyReaderException
* @see IntoRrcInjector.AbstractInjectObjectGetter#getValue(String)
*/
public Object getValue() throws ConvertRepresentationException, InvocationTargetException {
final Request request = this.tlContext.get().getRequest();
final Representation entity = request.getEntity();
if (entity == null) {
return null;
}
final MediaType mediaType = entity.getMediaType();
final MessageBodyReader mbr = this.mbrs.getBestReader(this.convToCl,
this.convToGen, this.annotations, mediaType);
if (mbr == null) {
throw new NoMessageBodyReaderException(mediaType, this.convToCl);
}
final MultivaluedMap<String, String> httpHeaders = Util
.getJaxRsHttpHeaders(request);
try {
return mbr.readFrom(this.convToCl, this.convToGen,
this.annotations, mediaType, entity.getCharacterSet(), httpHeaders, entity
.getStream());
} catch (WebApplicationException wae) {
throw wae;
} catch (IOException e) {
throw ConvertRepresentationException.object(this.convToCl,
"the message body", e);
} finally {
entity.release();
}
}
}