| package org.apache.archiva.transaction; |
| |
| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.List; |
| |
| import org.apache.commons.io.FileUtils; |
| import org.codehaus.plexus.digest.Digester; |
| |
| /** |
| * Event to copy a file. |
| * |
| * |
| */ |
| public class CopyFileEvent |
| extends AbstractTransactionEvent |
| { |
| private final File source; |
| |
| private final File destination; |
| |
| /** |
| * |
| * @param source |
| * @param destination |
| * @param digesters {@link List}<{@link Digester}> digesters to use for checksumming |
| */ |
| public CopyFileEvent( File source, File destination, List<? extends Digester> digesters ) |
| { |
| super( digesters ); |
| this.source = source; |
| this.destination = destination; |
| } |
| |
| @Override |
| public void commit() |
| throws IOException |
| { |
| createBackup( destination ); |
| |
| mkDirs( destination.getParentFile() ); |
| |
| FileUtils.copyFile( source, destination ); |
| |
| createChecksums( destination, true ); |
| copyChecksums(); |
| |
| copyChecksum( "asc" ); |
| } |
| |
| /** |
| * Copy checksums of source file with all digesters if exist |
| * |
| * @throws IOException |
| */ |
| private void copyChecksums() |
| throws IOException |
| { |
| for ( Digester digester : getDigesters() ) |
| { |
| copyChecksum( getDigesterFileExtension( digester ) ); |
| } |
| } |
| |
| /** |
| * Copy checksum of source file with extension provided if exists |
| * |
| * @param extension |
| * @return whether the checksum exists or not |
| * @throws IOException |
| */ |
| private boolean copyChecksum( String extension ) |
| throws IOException |
| { |
| File checksumSource = new File( source.getAbsolutePath() + "." + extension ); |
| if ( checksumSource.exists() ) |
| { |
| File checksumDestination = new File( destination.getAbsolutePath() + "." + extension ); |
| FileUtils.copyFile( checksumSource, checksumDestination ); |
| return true; |
| } |
| return false; |
| } |
| |
| @Override |
| public void rollback() |
| throws IOException |
| { |
| destination.delete(); |
| |
| revertFilesCreated(); |
| |
| revertMkDirs(); |
| |
| restoreBackups(); |
| } |
| } |