001/* 002 * Copyright (c) 2006-2011 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * All rights reserved. This program and the accompanying materials 005 * are made available under the terms of the Eclipse Public License v1.0 006 * which accompanies this distribution, and is available at 007 * http://www.eclipse.org/legal/epl-v10.html 008 * 009 * Contributors: 010 * bstefanescu 011 * 012 * $Id$ 013 */ 014 015package org.nuxeo.ecm.webengine.jaxrs.views; 016 017import java.io.IOException; 018import java.io.OutputStream; 019import java.lang.annotation.Annotation; 020import java.lang.reflect.Type; 021 022import javax.ws.rs.Produces; 023import javax.ws.rs.core.MediaType; 024import javax.ws.rs.core.MultivaluedMap; 025import javax.ws.rs.ext.MessageBodyWriter; 026import javax.ws.rs.ext.Provider; 027 028import org.nuxeo.ecm.platform.rendering.api.RenderingException; 029import org.nuxeo.ecm.platform.rendering.api.View; 030 031/** 032 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a> 033 */ 034@Provider 035@Produces("*/*") 036public class ViewMessageBodyWriter implements MessageBodyWriter<View> { 037 038 @Override 039 public void writeTo(View t, Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType, 040 MultivaluedMap<String, Object> httpHeaders, OutputStream entityStream) throws IOException { 041 try { 042 t.render(entityStream); 043 } catch (RenderingException e) { 044 throw new IOException("Failed to render view: " + t, e); 045 } 046 } 047 048 @Override 049 public long getSize(View arg0, Class<?> arg1, Type arg2, Annotation[] arg3, MediaType arg4) { 050 return -1; 051 } 052 053 @Override 054 public boolean isWriteable(Class<?> arg0, Type type, Annotation[] arg2, MediaType arg3) { 055 return View.class.isAssignableFrom(arg0); 056 } 057 058}