001/** 002 * Copyright 2015 DuraSpace, Inc. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016package org.fcrepo.http.api.repository; 017 018import static java.util.stream.Collectors.joining; 019import static javax.ws.rs.core.Response.noContent; 020import static javax.ws.rs.core.Response.serverError; 021import static org.slf4j.LoggerFactory.getLogger; 022 023import java.io.File; 024import java.io.IOException; 025import java.io.InputStream; 026import java.util.Collection; 027 028import javax.inject.Inject; 029import javax.jcr.Session; 030import javax.ws.rs.POST; 031import javax.ws.rs.Path; 032import javax.ws.rs.WebApplicationException; 033import javax.ws.rs.core.Response; 034 035import org.apache.commons.io.IOUtils; 036import org.fcrepo.http.commons.AbstractResource; 037import org.fcrepo.kernel.api.services.RepositoryService; 038import org.slf4j.Logger; 039import org.springframework.context.annotation.Scope; 040 041/** 042 * Restore a backup of the repository 043 * 044 * @author cbeer 045 */ 046@Scope("prototype") 047@Path("/fcr:restore") 048public class FedoraRepositoryRestore extends AbstractResource { 049 050 private static final Logger LOGGER = getLogger(FedoraRepositoryRestore.class); 051 052 @Inject 053 protected Session session; 054 055 /** 056 * The fcrepo repository service 057 */ 058 @Inject 059 protected RepositoryService repositoryService; 060 061 /** 062 * This method runs a repository restore. 063 * 064 * @param bodyStream the body stream 065 * @return response 066 * @throws IOException if IO exception occurred 067 */ 068 @POST 069 public Response runRestore(final InputStream bodyStream) throws IOException { 070 071 if (null == bodyStream) { 072 throw new WebApplicationException(serverError().entity( 073 "Request body must not be null").build()); 074 } 075 076 final String body = IOUtils.toString(bodyStream); 077 final File backupDirectory = new File(body.trim()); 078 if (!backupDirectory.exists()) { 079 throw new WebApplicationException(serverError().entity( 080 "Backup directory does not exist: " 081 + backupDirectory.getAbsolutePath()).build()); 082 } 083 084 final Collection<Throwable> problems = repositoryService.restoreRepository(session, backupDirectory); 085 if (!problems.isEmpty()) { 086 LOGGER.error("Problems restoring up the repository:"); 087 088 // Report the problems (we'll just print them out) ... 089 final String problemsOutput = problems.stream().map(Throwable::getMessage).peek(LOGGER::error) 090 .collect(joining("\n")); 091 092 throw new WebApplicationException(serverError() 093 .entity(problemsOutput).build()); 094 095 } 096 return noContent().build(); 097 098 } 099}