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.apache.commons.logging.Log; 029import org.apache.commons.logging.LogFactory; 030import org.nuxeo.ecm.platform.rendering.api.RenderingException; 031 032/** 033 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a> 034 */ 035@Provider 036@Produces("*/*") 037public class TemplateViewMessageBodyWriter implements MessageBodyWriter<TemplateView> { 038 039 private static final Log log = LogFactory.getLog(TemplateViewMessageBodyWriter.class); 040 041 // @ResourceContext private HttpServletRequest request; 042 043 @Override 044 public void writeTo(TemplateView t, Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType, 045 MultivaluedMap<String, Object> httpHeaders, OutputStream entityStream) throws IOException { 046 try { 047 t.render(entityStream); 048 } catch (RenderingException | IOException e) { 049 log.error("Failed to render view: " + t.getUrl(), e); 050 throw new IOException("Failed to render view: " + t.getUrl(), e); 051 } 052 } 053 054 @Override 055 public long getSize(TemplateView arg0, Class<?> arg1, Type arg2, Annotation[] arg3, MediaType arg4) { 056 return -1; 057 } 058 059 @Override 060 public boolean isWriteable(Class<?> arg0, Type type, Annotation[] arg2, MediaType arg3) { 061 return TemplateView.class.isAssignableFrom(arg0); 062 } 063 064}