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; 020 021 import org.apache.camel.component.file.FileEndpoint; 022 import org.apache.camel.component.file.FileExchange; 023 import org.apache.commons.logging.Log; 024 import org.apache.commons.logging.LogFactory; 025 026 /** 027 * A strategy to rename a file 028 * 029 * @version $Revision: 47012 $ 030 */ 031 public class RenameFileProcessStrategy extends FileProcessStrategySupport { 032 private static final transient Log LOG = LogFactory.getLog(RenameFileProcessStrategy.class); 033 private FileRenamer renamer; 034 035 public RenameFileProcessStrategy() { 036 this(true); 037 } 038 039 public RenameFileProcessStrategy(boolean lock) { 040 this(lock, ".camel/", ""); 041 } 042 043 public RenameFileProcessStrategy(boolean lock, String namePrefix, String namePostfix) { 044 this(lock, new DefaultFileRenamer(namePrefix, namePostfix)); 045 } 046 047 public RenameFileProcessStrategy(boolean lock, FileRenamer renamer) { 048 super(lock); 049 this.renamer = renamer; 050 } 051 052 @Override 053 public void commit(FileEndpoint endpoint, FileExchange exchange, File file) throws Exception { 054 File newName = renamer.renameFile(exchange, file); 055 if (LOG.isDebugEnabled()) { 056 LOG.debug("Renaming file: " + file + " to: " + newName); 057 } 058 059 // deleting any existing files before renaming 060 if (newName.exists()) { 061 newName.delete(); 062 } 063 064 // make parent folder if missing 065 newName.getParentFile().mkdirs(); 066 067 boolean renamed = file.renameTo(newName); 068 if (!renamed) { 069 LOG.warn("Could not rename file from: " + file + " to " + newName); 070 } 071 072 // must commit to release the lock 073 super.commit(endpoint, exchange, file); 074 } 075 076 public FileRenamer getRenamer() { 077 return renamer; 078 } 079 080 public void setRenamer(FileRenamer renamer) { 081 this.renamer = renamer; 082 } 083 }