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.kernel.api.models.FedoraResource; 030import org.fcrepo.kernel.api.identifiers.IdentifierConverter; 031import org.fcrepo.kernel.api.services.BinaryService; 032import org.fcrepo.kernel.api.services.NodeService; 033import org.fcrepo.kernel.api.services.ContainerService; 034import org.fcrepo.kernel.api.services.VersionService; 035import org.fcrepo.kernel.api.services.functions.ConfigurableHierarchicalSupplier; 036import org.fcrepo.kernel.api.services.functions.UniqueValueSupplier; 037 038import org.jvnet.hk2.annotations.Optional; 039 040/** 041 * Superclass for Fedora JAX-RS Resources, providing convenience fields and methods. 042 * 043 * @author ajs6f 044 */ 045public class AbstractResource { 046 047 /** 048 * Useful for constructing URLs 049 */ 050 @Context 051 protected UriInfo uriInfo; 052 053 /** 054 * For getting user agent 055 */ 056 @Context 057 protected HttpHeaders headers; 058 059 /** 060 * The JCR node service 061 */ 062 @Inject 063 protected NodeService nodeService; 064 065 /** 066 * The repository object service 067 */ 068 @Inject 069 protected ContainerService containerService; 070 071 /** 072 * The bitstream service 073 */ 074 @Inject 075 protected BinaryService binaryService; 076 077 /** 078 * The version service 079 */ 080 @Inject 081 protected VersionService versionService; 082 083 /** 084 * A resource that can mint new Fedora PIDs. 085 */ 086 @Inject 087 @Optional 088 protected Supplier<String> pidMinter; 089 090 // Mint non-hierarchical identifiers. To force pairtree creation as default, use 091 // ConfigurableHierarchicalSupplier(int length, count) instead. 092 protected UniqueValueSupplier defaultPidMinter = new ConfigurableHierarchicalSupplier(); 093 094 /** 095 * Convert a JAX-RS list of PathSegments to a JCR path 096 * 097 * @param idTranslator the id translator 098 * @param originalPath the original path 099 * @return String jcr path 100 */ 101 public static String toPath(final IdentifierConverter<Resource, FedoraResource> idTranslator, 102 final String originalPath) { 103 104 final Resource resource = idTranslator.toDomain(originalPath); 105 106 final String path = idTranslator.asString(resource); 107 108 return path.isEmpty() ? "/" : path; 109 } 110}