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 RenameFileStrategy extends FileStategySupport {
033 private static final transient Log LOG = LogFactory.getLog(RenameFileStrategy.class);
034
035 private String namePrefix;
036 private String namePostfix;
037
038 public RenameFileStrategy() {
039 this(true);
040 }
041
042 public RenameFileStrategy(boolean lock) {
043 this(lock, ".camel/", "");
044 }
045
046 public RenameFileStrategy(boolean lock, String namePrefix, String namePostfix) {
047 super(lock);
048 if (namePrefix != null) {
049 this.namePrefix = namePrefix;
050 }
051 if (namePostfix != null) {
052 this.namePostfix = namePostfix;
053 }
054 }
055
056 public void commit(FileEndpoint endpoint, FileExchange exchange, File file) throws Exception {
057 File parent = file.getParentFile();
058 String name = getNamePrefix() + file.getName() + getNamePostfix();
059 File newName = new File(parent, name);
060 newName.getParentFile().mkdirs();
061
062 if (LOG.isDebugEnabled()) {
063 LOG.debug("Renaming file: " + file + " to: " + newName);
064 }
065 boolean renamed = file.renameTo(newName);
066 if (!renamed) {
067 throw new IOException("Could not rename file from: " + file + " to " + newName);
068 }
069 super.commit(endpoint, exchange, file);
070 }
071
072 public String getNamePostfix() {
073 return namePostfix;
074 }
075
076 /**
077 * Sets the name postfix appended to moved files. For example
078 * to rename all the files from * to *.done set this value to ".done"
079 */
080 public void setNamePostfix(String namePostfix) {
081 this.namePostfix = namePostfix;
082 }
083
084 public String getNamePrefix() {
085 return namePrefix;
086 }
087
088 /**
089 * Sets the name prefix appended to moved files. For example
090 * to move processed files into a hidden directory called ".camel"
091 * set this value to ".camel/"
092 */
093 public void setNamePrefix(String namePrefix) {
094 this.namePrefix = namePrefix;
095 }
096 }