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;
018
019 import java.io.File;
020 import java.io.IOException;
021 import java.util.Date;
022
023 import org.apache.camel.CamelContext;
024 import org.apache.camel.Exchange;
025 import org.apache.camel.ExchangePattern;
026 import org.apache.camel.impl.DefaultExchange;
027
028 /**
029 * A {@link Exchange} for File
030 *
031 * @version $Revision: 723860 $
032 */
033 public class FileExchange extends DefaultExchange {
034 private File file;
035
036 public FileExchange(CamelContext camelContext, ExchangePattern pattern, File file) {
037 super(camelContext, pattern);
038 setFile(file);
039 }
040
041 public FileExchange(DefaultExchange parent, File file) {
042 super(parent);
043 setFile(file);
044 }
045
046 public File getFile() {
047 return this.file;
048 }
049
050 public void setFile(File file) {
051 setIn(new FileMessage(file));
052 this.file = file;
053 populateHeaders(file);
054 }
055
056 public Exchange newInstance() {
057 return new FileExchange(this, getFile());
058 }
059
060 private void populateHeaders(File file) {
061 // set additional headers with file information
062 if (file != null) {
063 getIn().setHeader("CamelFileName", file.getName());
064 getIn().setHeader("CamelFileAbsolutePath", file.getAbsolutePath());
065 getIn().setHeader("CamelFileParent", file.getParent());
066 getIn().setHeader("CamelFilePath", file.getPath());
067 try {
068 getIn().setHeader("CamelFileCanonicalPath", file.getCanonicalPath());
069 } catch (IOException e) {
070 // ignore
071 }
072 if (file.length() > 0) {
073 getIn().setHeader("CamelFileLength", new Long(file.length()));
074 }
075 if (file.lastModified() > 0) {
076 getIn().setHeader("CamelFileLastModified", new Date(file.lastModified()));
077 }
078 }
079 }
080
081 }