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package com.sun.enterprise.ee.synchronization.processor;
import java.io.File;
import java.io.FileOutputStream;
import java.io.BufferedOutputStream;
import java.util.zip.CRC32;
import java.util.zip.ZipOutputStream;
import java.util.zip.CheckedOutputStream;
import java.net.InetAddress;
import com.sun.enterprise.ee.util.zip.Zipper;
import com.sun.enterprise.ee.synchronization.SynchronizationRequest;
import com.sun.enterprise.ee.synchronization.SynchronizationResponse;
import java.util.logging.Logger;
import java.util.logging.Level;
import com.sun.logging.ee.EELogDomains;
import com.sun.enterprise.util.i18n.StringManager;
import java.io.IOException;
import java.net.UnknownHostException;
import com.sun.enterprise.config.ConfigException;
/**
* Processor class that generates zip file as output.
*
* @author Nazrul Islam
* @since JDK 1.4
*/
public class ZipProcessor extends BaseProcessor {
/**
* Constructor.
*
* @param ctx request context
*
* @throws IOException if an i/o error
*/
public ZipProcessor(RequestContext ctx) throws IOException {
_ctx = ctx;
_zipFile = ctx.getZipFile();
_fout = new FileOutputStream(_zipFile);
_cos = new CheckedOutputStream(
new BufferedOutputStream(_fout), new CRC32());
_out = new ZipOutputStream(_cos);
}
/**
* When true, marks the zip file for delete upon VM exit.
*
* @param tf delete zip on exit flag
*/
public void setDeleteZipOnExitFlag(boolean tf) {
_deleteZipOnExit = tf;
}
/**
* Returns the delete on exit flag.
*
* @return delete on exit flag for the zip
*/
public boolean getDeleteZipOnExitFlag() {
return _deleteZipOnExit;
}
/**
* Processes the always included application names.
*
* @param req synchronization request
* @param z zipper object
*
* @throws ConfigException if a configuration parsing error
*/
void initZipper(SynchronizationRequest req, Zipper z)
throws ConfigException {
processAlwaysInclude(req, z);
}
/**
* Assembles the synchronization response.
*
* @param zipSize zip size from the zipper
* @param results processed synchronization requests
*
* @throws IOException if an i/o error
*/
void postProcess(long zipSize, SynchronizationRequest[] results)
throws IOException {
_cos.flush();
// checksum
long checksum = _cos.getChecksum().getValue();
// closes the streams
if (zipSize > 0) {
_out.close();
_out = null;
}
// synchronization response
_response = new SynchronizationResponse(null, results,
checksum, _ctx.getStartTime(), System.currentTimeMillis());
if (_zipFile.exists()) {
// sets the zip file location in DAS for download
_response.setZipLocation(_zipFile.getCanonicalPath());
// sets the last modified timestamp of zip file
_response.setLastModifiedOfZip(_zipFile.lastModified());
// file will be removed when DAS is shut down
if (_deleteZipOnExit) {
_zipFile.deleteOnExit();
}
try {
// host name of DAS
InetAddress host = InetAddress.getLocalHost();
_response.setDasHostName(host.getHostName());
} catch (UnknownHostException uhe) {
// ignore
}
} else {
_logger.fine("Zip intended for redirect does not exist: "
+ _zipFile.getPath());
}
}
// ---- VARIABLES - PRIVATE ------------------------------------------
private boolean _deleteZipOnExit = true;
}