001 /**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017 package org.apache.camel.component.file.strategy;
018
019 import java.io.File;
020 import java.io.IOException;
021
022 import org.apache.camel.component.file.FileEndpoint;
023 import org.apache.camel.component.file.FileExchange;
024 import org.apache.commons.logging.Log;
025 import org.apache.commons.logging.LogFactory;
026
027 /**
028 * A strategy to rename a file
029 *
030 * @version $Revision: 1.1 $
031 */
032 public class RenameFileProcessStrategy extends FileProcessStrategySupport {
033 private static final transient Log LOG = LogFactory.getLog(RenameFileProcessStrategy.class);
034 private FileRenamer renamer;
035
036 public RenameFileProcessStrategy() {
037 this(true);
038 }
039
040 public RenameFileProcessStrategy(boolean lock) {
041 this(lock, ".camel/", "");
042 }
043
044 public RenameFileProcessStrategy(boolean lock, String namePrefix, String namePostfix) {
045 this(lock, new DefaultFileRenamer(namePrefix, namePostfix));
046 }
047
048 public RenameFileProcessStrategy(boolean lock, FileRenamer renamer) {
049 super(lock);
050 this.renamer = renamer;
051 }
052
053 public void commit(FileEndpoint endpoint, FileExchange exchange, File file) throws Exception {
054 File newName = renamer.renameFile(file);
055 newName.getParentFile().mkdirs();
056
057 if (LOG.isDebugEnabled()) {
058 LOG.debug("Renaming file: " + file + " to: " + newName);
059 }
060 boolean renamed = file.renameTo(newName);
061 if (!renamed) {
062 throw new IOException("Could not rename file from: " + file + " to " + newName);
063 }
064 super.commit(endpoint, exchange, file);
065 }
066
067 public FileRenamer getRenamer() {
068 return renamer;
069 }
070
071 public void setRenamer(FileRenamer renamer) {
072 this.renamer = renamer;
073 }
074 }