001/* 002 * (C) Copyright 2006-2009 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * Nuxeo - initial API and implementation 018 * 019 * $Id$ 020 */ 021 022package org.nuxeo.ecm.webdav; 023 024import org.apache.commons.logging.Log; 025import org.apache.commons.logging.LogFactory; 026 027import javax.ws.rs.WebApplicationException; 028import javax.ws.rs.core.Response; 029import javax.ws.rs.ext.ExceptionMapper; 030import javax.ws.rs.ext.Provider; 031 032import java.io.PrintWriter; 033import java.io.StringWriter; 034 035/** 036 * Simple error handler to give back a user-readable status, and log it to the console. 037 * <p> 038 * This is a convenience for trouble-shouting. 039 */ 040@Provider 041public class ExceptionHandler implements ExceptionMapper<Exception> { 042 043 private static final Log log = LogFactory.getLog(ExceptionHandler.class); 044 045 @Override 046 public Response toResponse(Exception e) { 047 StringWriter sw = new StringWriter(); 048 e.printStackTrace(new PrintWriter(sw)); 049 int status = 500; 050 // String msg; 051 if (e instanceof WebApplicationException) { 052 status = ((WebApplicationException) e).getResponse().getStatus(); 053 if (status < 400 || status >= 500) { 054 log.error("Status = " + status); 055 log.error(e, e); 056 } 057 // msg = "Error " + status + "\n" + e.getMessage() + "\n" + sw; 058 } else { 059 log.error(e, e); 060 // msg = "Error\n\n" + e.getMessage() + "\n\n" + sw; 061 } 062 return Response.status(status).build(); 063 } 064 065}