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; 019 020import java.util.function.Supplier; 021 022import javax.inject.Inject; 023import javax.ws.rs.core.Context; 024import javax.ws.rs.core.HttpHeaders; 025import javax.ws.rs.core.UriInfo; 026 027import org.apache.jena.rdf.model.Resource; 028 029import org.fcrepo.http.commons.session.SessionFactory; 030import org.fcrepo.kernel.api.models.FedoraResource; 031import org.fcrepo.kernel.api.identifiers.IdentifierConverter; 032import org.fcrepo.kernel.api.services.BinaryService; 033import org.fcrepo.kernel.api.services.NodeService; 034import org.fcrepo.kernel.api.services.ContainerService; 035import org.fcrepo.kernel.api.services.VersionService; 036import org.fcrepo.kernel.api.services.functions.HierarchicalIdentifierSupplier; 037import org.fcrepo.kernel.api.services.functions.UniqueValueSupplier; 038 039import org.jvnet.hk2.annotations.Optional; 040 041import com.google.common.eventbus.EventBus; 042 043/** 044 * Superclass for Fedora JAX-RS Resources, providing convenience fields and methods. 045 * 046 * @author ajs6f 047 */ 048public class AbstractResource { 049 050 /** 051 * Useful for constructing URLs 052 */ 053 @Context 054 protected UriInfo uriInfo; 055 056 /** 057 * For getting user agent 058 */ 059 @Context 060 protected HttpHeaders headers; 061 062 @Inject 063 protected SessionFactory sessions; 064 065 /** 066 * The JCR node service 067 */ 068 @Inject 069 protected NodeService nodeService; 070 071 /** 072 * The repository object service 073 */ 074 @Inject 075 protected ContainerService containerService; 076 077 /** 078 * The bitstream service 079 */ 080 @Inject 081 protected BinaryService binaryService; 082 083 /** 084 * The version service 085 */ 086 @Inject 087 protected VersionService versionService; 088 089 @Inject 090 @Optional 091 protected EventBus eventBus; 092 093 /** 094 * A resource that can mint new Fedora PIDs. 095 */ 096 @Inject 097 @Optional 098 protected Supplier<String> pidMinter; 099 100 protected UniqueValueSupplier defaultPidMinter = new DefaultPathMinter(); 101 102 /** 103 * Convert a JAX-RS list of PathSegments to a JCR path 104 * 105 * @param idTranslator the id translator 106 * @param originalPath the original path 107 * @return String jcr path 108 */ 109 public static final String toPath(final IdentifierConverter<Resource, FedoraResource> idTranslator, 110 final String originalPath) { 111 112 final Resource resource = idTranslator.toDomain(originalPath); 113 114 final String path = idTranslator.asString(resource); 115 116 return path.isEmpty() ? "/" : path; 117 } 118 119 private static class DefaultPathMinter implements HierarchicalIdentifierSupplier { } 120 121}