001/* 002 * (C) Copyright 2014 Nuxeo SA (http://nuxeo.com/) and contributors. 003 * 004 * All rights reserved. This program and the accompanying materials 005 * are made available under the terms of the GNU Lesser General Public License 006 * (LGPL) version 2.1 which accompanies this distribution, and is available at 007 * http://www.gnu.org/licenses/lgpl-2.1.html 008 * 009 * This library is distributed in the hope that it will be useful, 010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 012 * Lesser General Public License for more details. 013 * 014 * Contributors: 015 * <a href="mailto:grenard@nuxeo.com">Guillaume Renard</a> 016 * 017 */ 018 019package org.nuxeo.ecm.restapi.server.jaxrs.routing.io; 020 021import java.io.IOException; 022import java.io.OutputStream; 023import java.lang.annotation.Annotation; 024import java.lang.reflect.Type; 025import java.util.List; 026 027import javax.servlet.http.HttpServletRequest; 028import javax.ws.rs.Produces; 029import javax.ws.rs.WebApplicationException; 030import javax.ws.rs.core.Context; 031import javax.ws.rs.core.HttpHeaders; 032import javax.ws.rs.core.MediaType; 033import javax.ws.rs.core.MultivaluedMap; 034import javax.ws.rs.core.UriInfo; 035import javax.ws.rs.ext.Provider; 036 037import org.apache.commons.logging.Log; 038import org.apache.commons.logging.LogFactory; 039import org.codehaus.jackson.JsonEncoding; 040import org.codehaus.jackson.JsonFactory; 041import org.codehaus.jackson.JsonGenerator; 042import org.nuxeo.ecm.automation.jaxrs.io.EntityListWriter; 043import org.nuxeo.ecm.platform.routing.api.DocumentRoute; 044 045/** 046 * @since 7.2 047 */ 048@Provider 049@Produces({ "application/json+nxentity", "application/json" }) 050public class DocumentRouteListWriter extends EntityListWriter<DocumentRoute> { 051 052 private static final Log log = LogFactory.getLog(DocumentRouteListWriter.class); 053 054 @Context 055 JsonFactory factory; 056 057 @Context 058 protected HttpHeaders headers; 059 060 @Context 061 protected HttpServletRequest request; 062 063 @Context 064 UriInfo uriInfo; 065 066 @Override 067 protected String getEntityType() { 068 return "workflows"; 069 } 070 071 @Override 072 protected void writeItem(JsonGenerator jg, DocumentRoute item) throws IOException { 073 // do nothing, everything is done in #writeTo 074 } 075 076 @Override 077 public void writeTo(List<DocumentRoute> docRoutes, Class<?> type, Type genericType, Annotation[] annotations, 078 MediaType mediaType, MultivaluedMap<String, Object> httpHeaders, OutputStream entityStream) 079 throws IOException, WebApplicationException { 080 try { 081 JsonGenerator jg = factory.createJsonGenerator(entityStream, JsonEncoding.UTF8); 082 jg.writeStartObject(); 083 jg.writeStringField("entity-type", "worflows"); 084 jg.writeArrayFieldStart("entries"); 085 for (DocumentRoute docRoute : docRoutes) { 086 jg.writeStartObject(); 087 jg.writeStringField("entity-type", "workflow"); 088 DocumentRouteWriter.writeDocumentRoute(jg, docRoute, request, uriInfo); 089 jg.writeEndObject(); 090 } 091 jg.writeEndArray(); 092 jg.writeEndObject(); 093 jg.flush(); 094 } catch (IOException e) { 095 log.error("Failed to serialize document route list", e); 096 throw new WebApplicationException(500); 097 } 098 } 099}