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.api.repository; 019 020import static java.util.stream.Collectors.joining; 021import static javax.ws.rs.core.Response.noContent; 022import static javax.ws.rs.core.Response.serverError; 023import static org.slf4j.LoggerFactory.getLogger; 024 025import java.io.File; 026import java.io.IOException; 027import java.io.InputStream; 028import java.util.Collection; 029 030import javax.inject.Inject; 031import javax.jcr.Session; 032import javax.ws.rs.POST; 033import javax.ws.rs.Path; 034import javax.ws.rs.WebApplicationException; 035import javax.ws.rs.core.Response; 036 037import org.apache.commons.io.IOUtils; 038import org.fcrepo.http.commons.AbstractResource; 039import org.fcrepo.kernel.api.services.RepositoryService; 040import org.slf4j.Logger; 041import org.springframework.context.annotation.Scope; 042 043/** 044 * Restore a backup of the repository 045 * 046 * @author cbeer 047 */ 048@Scope("prototype") 049@Path("/fcr:restore") 050public class FedoraRepositoryRestore extends AbstractResource { 051 052 private static final Logger LOGGER = getLogger(FedoraRepositoryRestore.class); 053 054 @Inject 055 protected Session session; 056 057 /** 058 * The fcrepo repository service 059 */ 060 @Inject 061 protected RepositoryService repositoryService; 062 063 /** 064 * This method runs a repository restore. 065 * 066 * @param bodyStream the body stream 067 * @return response 068 * @throws IOException if IO exception occurred 069 */ 070 @POST 071 public Response runRestore(final InputStream bodyStream) throws IOException { 072 073 if (null == bodyStream) { 074 throw new WebApplicationException(serverError().entity( 075 "Request body must not be null").build()); 076 } 077 078 final String body = IOUtils.toString(bodyStream); 079 final File backupDirectory = new File(body.trim()); 080 if (!backupDirectory.exists()) { 081 throw new WebApplicationException(serverError().entity( 082 "Backup directory does not exist: " 083 + backupDirectory.getAbsolutePath()).build()); 084 } 085 086 final Collection<Throwable> problems = repositoryService.restoreRepository(session, backupDirectory); 087 if (!problems.isEmpty()) { 088 LOGGER.error("Problems restoring up the repository:"); 089 090 // Report the problems (we'll just print them out) ... 091 final String problemsOutput = problems.stream().map(Throwable::getMessage).peek(LOGGER::error) 092 .collect(joining("\n")); 093 094 throw new WebApplicationException(serverError() 095 .entity(problemsOutput).build()); 096 097 } 098 return noContent().build(); 099 100 } 101}