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.codehaus.plexus.digest.Digester;
/**
* Event for creating a file from a string content.
*
*
*/
public class CreateFileEvent
extends AbstractTransactionEvent
{
private final File destination;
private final String content;
/**
*
* @param content
* @param destination
* @param digesters {@link List}<{@link Digester}> digesters to use for checksumming
*/
public CreateFileEvent( String content, File destination, List<? extends Digester> digesters )
{
super( digesters );
this.content = content;
this.destination = destination;
}
@Override
public void commit()
throws IOException
{
createBackup( destination );
mkDirs( destination.getParentFile() );
if ( !destination.exists() && !destination.createNewFile() )
{
throw new IOException( "Unable to create new file" );
}
writeStringToFile( destination, content );
createChecksums( destination, true );
}
@Override
public void rollback()
throws IOException
{
destination.delete();
revertFilesCreated();
revertMkDirs();
restoreBackups();
}
}