001/* 002 * Licensed to DuraSpace under one or more contributor license agreements. 003 * See the NOTICE file distributed with this work for additional information 004 * regarding copyright ownership. 005 * 006 * DuraSpace licenses this file to you under the Apache License, 007 * Version 2.0 (the "License"); you may not use this file except in 008 * compliance with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, software 013 * distributed under the License is distributed on an "AS IS" BASIS, 014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 015 * See the License for the specific language governing permissions and 016 * limitations under the License. 017 */ 018package org.fcrepo.http.commons.exceptionhandlers; 019 020import static org.fcrepo.http.commons.domain.RDFMediaType.TEXT_PLAIN_WITH_CHARSET; 021import static org.slf4j.LoggerFactory.getLogger; 022 023import static javax.ws.rs.core.Response.Status.CONFLICT; 024import static javax.ws.rs.core.Response.status; 025 026import javax.servlet.ServletContext; 027import javax.ws.rs.core.Context; 028import javax.ws.rs.core.Link; 029import javax.ws.rs.core.Response; 030import javax.ws.rs.core.UriInfo; 031import javax.ws.rs.ext.Provider; 032 033import org.fcrepo.kernel.api.exception.ConstraintViolationException; 034import org.fcrepo.kernel.api.exception.MultipleConstraintViolationException; 035import org.fcrepo.kernel.api.exception.RelaxableServerManagedPropertyException; 036import org.fcrepo.kernel.api.exception.ServerManagedPropertyException; 037 038import org.slf4j.Logger; 039 040/** 041 * Mapper to display all the various constrainedby links and messages. 042 * @author whikloj 043 */ 044@Provider 045public class MultipleConstraintViolationExceptionMapper extends 046 ConstraintExceptionMapper<MultipleConstraintViolationException> implements ExceptionDebugLogging { 047 048 private static final Logger LOGGER = getLogger(MultipleConstraintViolationExceptionMapper.class); 049 050 @Context 051 private UriInfo uriInfo; 052 053 @Context 054 private ServletContext context; 055 056 @Override 057 public Response toResponse(final MultipleConstraintViolationException e) { 058 debugException(this, e, LOGGER); 059 060 final String msg = e.getMessage(); 061 final Response.ResponseBuilder response = status(CONFLICT).entity(msg).type(TEXT_PLAIN_WITH_CHARSET); 062 final Link[] constraintLinks = e.getExceptionTypes().stream().map(ConstraintViolationException::getClass) 063 .distinct().map(c -> { 064 // Avoid building a link with the relaxable sub-class which would require another constraint RDF 065 // file. 066 if (c.equals(RelaxableServerManagedPropertyException.class)) { 067 return ServerManagedPropertyException.class; 068 } 069 return c; 070 }).map(c -> buildConstraintLink(c, 071 context, 072 uriInfo)) 073 .toArray(Link[]::new); 074 return response.links(constraintLinks).build(); 075 } 076 077}