001/** 002 * Copyright 2015 DuraSpace, Inc. 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 */ 016package org.fcrepo.http.commons.exceptionhandlers; 017 018import static com.google.common.base.Throwables.getStackTraceAsString; 019import static javax.ws.rs.core.Response.serverError; 020import static org.slf4j.LoggerFactory.getLogger; 021 022import javax.jcr.RepositoryException; 023import javax.ws.rs.core.Response; 024import javax.ws.rs.ext.ExceptionMapper; 025import javax.ws.rs.ext.Provider; 026 027import org.fcrepo.kernel.exception.TransactionMissingException; 028import org.slf4j.Logger; 029 030/** 031 * Catch all the exceptions! 032 * 033 * @author lsitu 034 * @author awoods 035 * @author cbeer 036 * @author fasseg 037 */ 038@Provider 039public class WildcardExceptionMapper implements ExceptionMapper<Exception> { 040 041 Boolean showStackTrace = true; 042 043 private static final Logger LOGGER = 044 getLogger(WildcardExceptionMapper.class); 045 046 @Override 047 public Response toResponse(final Exception e) { 048 049 if (e.getCause() instanceof TransactionMissingException) { 050 return new TransactionMissingExceptionMapper() 051 .toResponse((TransactionMissingException) e.getCause()); 052 } 053 054 if ( e.getCause() instanceof RepositoryException) { 055 return new RepositoryExceptionMapper() 056 .toResponse((RepositoryException)e.getCause()); 057 } 058 059 LOGGER.info("Exception intercepted by WildcardExceptionMapper: \n", e); 060 return serverError().entity( 061 showStackTrace ? getStackTraceAsString(e) : null).build(); 062 } 063 064 /** 065 * Set whether the full stack trace should be returned as part of the 066 * error response. This may be a bad idea if the stack trace is exposed 067 * to the public. 068 * @param showStackTrace the boolean value of showing stack trace 069 */ 070 public void setShowStackTrace(final Boolean showStackTrace) { 071 this.showStackTrace = showStackTrace; 072 } 073}