/*
* Copyright (c) 2006-2011 Nuxeo SA (http://nuxeo.com/) and others.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* bstefanescu
*
* $Id$
*/
package org.eclipse.ecr.web.jaxrs.views;
import java.io.IOException;
import java.io.OutputStream;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.ext.MessageBodyWriter;
import javax.ws.rs.ext.Provider;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.eclipse.ecr.web.rendering.api.View;
/**
* @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
*/
@Provider
@Produces("*/*")
public class ViewMessageBodyWriter implements MessageBodyWriter<View> {
private static final Log log = LogFactory.getLog(ViewMessageBodyWriter.class);
//@ResourceContext private HttpServletRequest request;
@Override
public void writeTo(View t, Class<?> type, Type genericType,
Annotation[] annotations, MediaType mediaType,
MultivaluedMap<String, Object> httpHeaders,
OutputStream entityStream) throws IOException {
try {
t.render(entityStream);
} catch (Throwable e) {
log.error("Failed to render view: "+t, e);
throw new IOException("Failed to render view: "+t, e);
}
}
@Override
public long getSize(View arg0, Class<?> arg1, Type arg2,
Annotation[] arg3, MediaType arg4) {
return -1;
}
@Override
public boolean isWriteable(Class<?> arg0, Type type, Annotation[] arg2,
MediaType arg3) {
return View.class.isAssignableFrom(arg0);
}
}