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package org.apache.camel.component.file; |
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import org.apache.camel.Exchange; |
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import org.apache.camel.Producer; |
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import org.apache.camel.impl.DefaultProducer; |
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import org.apache.commons.logging.Log; |
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import org.apache.commons.logging.LogFactory; |
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import java.io.File; |
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import java.io.RandomAccessFile; |
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import java.nio.ByteBuffer; |
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import java.nio.channels.FileChannel; |
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public class FileProducer extends DefaultProducer { |
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private static final transient Log log = LogFactory.getLog(FileProducer.class); |
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private final FileEndpoint endpoint; |
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public FileProducer(FileEndpoint endpoint) { |
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super(endpoint); |
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this.endpoint = endpoint; |
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} |
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public void process(Exchange exchange) { |
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process(endpoint.toExchangeType(exchange)); |
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} |
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public void process(FileExchange exchange){ |
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String fileName = exchange.getIn().getMessageId(); |
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ByteBuffer payload=exchange.getIn().getBody(ByteBuffer.class); |
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payload.flip(); |
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File file = null; |
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if(endpoint.getFile()!=null&&endpoint.getFile().isDirectory()){ |
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file=new File(endpoint.getFile(),fileName); |
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}else{ |
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file=new File(fileName); |
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} |
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buildDirectory(file); |
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try{ |
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FileChannel fc=new RandomAccessFile(file,"rw").getChannel(); |
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fc.position(fc.size()); |
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fc.write(payload); |
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fc.close(); |
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}catch(Throwable e){ |
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log.error("Failed to write to File: "+file,e); |
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} |
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} |
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private void buildDirectory(File file) { |
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String dirName = file.getAbsolutePath(); |
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int index = dirName.lastIndexOf(File.separatorChar); |
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if (index > 0) { |
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dirName = dirName.substring(0,index); |
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File dir = new File(dirName); |
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dir.mkdirs(); |
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} |
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} |
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} |