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.Endpoint; 024 import org.apache.camel.Exchange; 025 import org.apache.camel.PollingConsumerAware; 026 import org.apache.camel.RuntimeExchangeException; 027 import org.apache.camel.impl.DefaultExchange; 028 029 public class GenericFileExchange<T> extends DefaultExchange implements PollingConsumerAware { 030 031 private GenericFile<T> file; 032 033 public GenericFileExchange(Endpoint fromEndpoint) { 034 super(fromEndpoint); 035 } 036 037 public GenericFileExchange(DefaultExchange parent, GenericFile<T> file) { 038 super(parent); 039 setGenericFile(file); 040 } 041 042 protected void populateHeaders(GenericFile<T> file) { 043 if (file != null) { 044 getIn().setHeader(Exchange.FILE_NAME_ONLY, file.getFileNameOnly()); 045 getIn().setHeader(Exchange.FILE_NAME, file.getFileName()); 046 getIn().setHeader("CamelFileAbsolute", file.isAbsolute()); 047 getIn().setHeader("CamelFileAbsolutePath", file.getAbsoluteFilePath()); 048 049 if (file.isAbsolute()) { 050 getIn().setHeader(Exchange.FILE_PATH, file.getAbsoluteFilePath()); 051 } else { 052 // we must normalize path according to protocol if we build our own paths 053 String path = file.normalizePathToProtocol(file.getEndpointPath() + File.separator + file.getRelativeFilePath()); 054 getIn().setHeader(Exchange.FILE_PATH, path); 055 } 056 057 getIn().setHeader("CamelFileRelativePath", file.getRelativeFilePath()); 058 getIn().setHeader(Exchange.FILE_PARENT, file.getParent()); 059 060 if (file.getFileLength() > 0) { 061 getIn().setHeader("CamelFileLength", file.getFileLength()); 062 } 063 if (file.getLastModified() > 0) { 064 getIn().setHeader("CamelFileLastModified", new Date(file.getLastModified())); 065 } 066 } 067 } 068 069 public GenericFile<T> getGenericFile() { 070 return file; 071 } 072 073 public void setGenericFile(GenericFile<T> file) { 074 this.file = file; 075 setIn(new GenericFileMessage<T>(file)); 076 populateHeaders(file); 077 } 078 079 public Exchange newInstance() { 080 return new GenericFileExchange<T>(this, file); 081 } 082 083 public void exchangePolled(Exchange exchange) { 084 try { 085 // load content into memory 086 file.getBinding().loadContent(exchange, file); 087 } catch (IOException e) { 088 throw new RuntimeExchangeException("Cannot load content of file: " + file.getAbsoluteFilePath(), exchange, e); 089 } 090 } 091 }