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.io.Serializable; 022 023 import org.apache.camel.Exchange; 024 import org.apache.camel.NoTypeConversionAvailableException; 025 import org.apache.camel.util.IOHelper; 026 027 /** 028 * File binding with the {@link java.io.File} type. 029 */ 030 public class FileBinding implements GenericFileBinding<File>, Serializable { 031 032 private File body; 033 private byte[] content; 034 035 public Object getBody(GenericFile<File> file) { 036 // if file content has been loaded then return it 037 if (content != null) { 038 return content; 039 } 040 041 // as we use java.io.File itself as the body (not loading its content into a OutputStream etc.) 042 // we just store a java.io.File handle to the actual file denoted by the 043 // file.getAbsoluteFilePath. We must do this as the original file consumed can be renamed before 044 // being processed (preMove) and thus it points to an invalid file location. 045 // GenericFile#getAbsoluteFilePath() is always up-to-date and thus we use it to create a file 046 // handle that is correct 047 if (body == null || !file.getAbsoluteFilePath().equals(body.getAbsolutePath())) { 048 body = new File(file.getAbsoluteFilePath()); 049 } 050 return body; 051 } 052 053 public void setBody(GenericFile<File> file, Object body) { 054 // noop 055 } 056 057 public void loadContent(Exchange exchange, GenericFile<File> file) throws IOException { 058 try { 059 content = exchange.getContext().getTypeConverter().mandatoryConvertTo(byte[].class, file.getFile()); 060 } catch (NoTypeConversionAvailableException e) { 061 throw IOHelper.createIOException("Cannot load file content: " + file.getAbsoluteFilePath(), e); 062 } 063 } 064 065 }