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- 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 org.apache.commons.io.FileUtils;
- import org.codehaus.plexus.digest.Digester;
-
- import java.io.IOException;
- import java.nio.file.Files;
- import java.nio.file.Path;
- import java.nio.file.Paths;
- import java.util.List;
-
- /**
- * Event to copy a file.
- *
- *
- */
- public class CopyFileEvent
- extends AbstractTransactionEvent
- {
- private final Path source;
-
- private final Path destination;
-
- /**
- *
- * @param source
- * @param destination
- * @param digesters {@link List}<{@link Digester}> digesters to use for checksumming
- */
- public CopyFileEvent( Path source, Path destination, List<? extends Digester> digesters )
- {
- super( digesters );
- this.source = source;
- this.destination = destination;
- }
-
- @Override
- public void commit()
- throws IOException
- {
- createBackup( destination );
-
- mkDirs( destination.getParent() );
-
- FileUtils.copyFile( source.toFile(), destination.toFile() );
-
- 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
- {
- Path checksumSource = Paths.get( source.toAbsolutePath() + "." + extension );
- if ( Files.exists(checksumSource) )
- {
- Path checksumDestination = Paths.get( destination.toAbsolutePath() + "." + extension );
- FileUtils.copyFile( checksumSource.toFile(), checksumDestination.toFile() );
- return true;
- }
- return false;
- }
-
- @Override
- public void rollback()
- throws IOException
- {
- Files.deleteIfExists(destination);
-
- revertFilesCreated();
-
- revertMkDirs();
-
- restoreBackups();
- }
- }
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