/**
*
* Copyright 2005 LogicBlaze, Inc. http://www.logicblaze.com
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
**/
package org.servicemix.components.file;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.servicemix.components.util.DefaultFileMarshaler;
import org.servicemix.components.util.FileMarshaler;
import org.servicemix.components.util.OutBinding;
import javax.jbi.JBIException;
import javax.jbi.messaging.MessageExchange;
import javax.jbi.messaging.MessagingException;
import javax.jbi.messaging.NormalizedMessage;
import javax.xml.transform.TransformerException;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
/**
* A component which receives a message and writes the content to a file using the
* <a href="http://jakarta.apache.org/commons/vfs.html">Jakarta Commons VFS</a> library
* for handling various file systems like files, Samba, WebDAV, FTP, SFTP and temporary files.
*
* @version $Revision: 685 $
*/
public class FileWriter extends OutBinding {
private static final Log log = LogFactory.getLog(FileWriter.class);
private File directory;
private FileMarshaler marshaler = new DefaultFileMarshaler();
private String tempFilePrefix = "servicemix-";
private String tempFileSuffix = ".xml";
private boolean autoCreateDirectory = true;
// Properties
//-------------------------------------------------------------------------
public File getDirectory() {
return directory;
}
public void setDirectory(File directory) {
this.directory = directory;
}
public FileMarshaler getMarshaler() {
return marshaler;
}
public void setMarshaler(FileMarshaler marshaler) {
this.marshaler = marshaler;
}
public String getTempFilePrefix() {
return tempFilePrefix;
}
public void setTempFilePrefix(String tempFilePrefix) {
this.tempFilePrefix = tempFilePrefix;
}
public String getTempFileSuffix() {
return tempFileSuffix;
}
public void setTempFileSuffix(String tempFileSuffix) {
this.tempFileSuffix = tempFileSuffix;
}
public boolean isAutoCreateDirectory() {
return autoCreateDirectory;
}
public void setAutoCreateDirectory(boolean autoCreateDirectory) {
this.autoCreateDirectory = autoCreateDirectory;
}
// Implementation methods
//-------------------------------------------------------------------------
protected void init() throws JBIException {
if (directory == null) {
throw new IllegalArgumentException("You must specify the directory property");
}
if (isAutoCreateDirectory()) {
directory.mkdirs();
}
if (!directory.isDirectory()) {
throw new IllegalArgumentException("The directory property must be a directory but was: " + directory);
}
super.init();
}
protected void process(MessageExchange exchange, NormalizedMessage message) throws MessagingException {
OutputStream out = null;
try {
String name = marshaler.getOutputName(exchange, message);
File newFile = null;
if (name == null) {
newFile = File.createTempFile(tempFilePrefix, tempFileSuffix, directory);
}
else {
newFile = new File(directory, name);
}
out = new BufferedOutputStream(new FileOutputStream(newFile));
marshaler.writeMessage(exchange, message, out, name);
done(exchange);
}
catch (IOException e) {
throw new MessagingException(e);
}
catch (TransformerException e) {
throw new MessagingException(e);
}
finally {
if (out != null) {
try {
out.close();
}
catch (IOException e) {
log.error("Caught exception while closing stream on error: " + e, e);
}
}
}
}
}