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.kernel.api.exception; 019 020import static java.time.ZoneOffset.UTC; 021import static java.time.format.DateTimeFormatter.ISO_INSTANT; 022 023import java.time.format.DateTimeFormatter; 024import java.util.Objects; 025 026import org.fcrepo.kernel.api.models.FedoraResource; 027 028/** 029 * Exception when a Tombstone {@link org.fcrepo.kernel.api.models.FedoraResource} 030 * is used where a real object is expected 031 * 032 * @author cabeer 033 * @since 10/16/14 034 */ 035public class TombstoneException extends RepositoryRuntimeException { 036 037 private static final long serialVersionUID = 1L; 038 039 private final String uri; 040 041 private static DateTimeFormatter isoFormatter = ISO_INSTANT.withZone(UTC); 042 043 /** 044 * Construct a new tombstone exception for a resource 045 * @param resource the fedora resource 046 */ 047 public TombstoneException(final FedoraResource resource) { 048 this(resource, null); 049 } 050 051 /** 052 * Create a new tombstone exception with a URI to the tombstone resource 053 * @param resource the fedora resource 054 * @param tombstoneUri the uri to the tombstone resource for the Link header. 055 */ 056 public TombstoneException(final FedoraResource resource, final String tombstoneUri) { 057 super("Discovered tombstone resource at " + resource.getFedoraId().getFullIdPath() + 058 (Objects.nonNull(resource.getLastModifiedDate()) ? ", departed at: " + 059 isoFormatter.format(resource.getLastModifiedDate()) : "")); 060 this.uri = tombstoneUri; 061 } 062 063 /** 064 * Get a URI to the tombstone resource 065 * @return the URI to the tombstone resource 066 */ 067 public String getURI() { 068 return uri; 069 } 070}