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/*
Derby - Class org.apache.derbyTesting.functionTests.harness.UnJar
Licensed to the Apache Software Foundation (ASF) under one or more
contributor license agreements. See the NOTICE file distributed with
this work for additional information regarding copyright ownership.
The ASF licenses this file to You 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.apache.derbyTesting.functionTests.harness;
import java.io.*;
/**
The upgrade tests use jar files containing older version
databases. These need to be "unjarred" in order to do the tests.
*/
public class UnJar
{
public UnJar()
{
}
public static void main(String args[]) throws Exception
{
UnJar uj = new UnJar();
uj.unjar(args[0], null, true);
}
public static void unjar(String jarname, String outputdir, boolean useprocess)
throws ClassNotFoundException, IOException
{
if (outputdir == null)
outputdir = System.getProperty("user.dir");
InputStream is =
RunTest.loadTestResource("upgrade" + '/' + jarname);
if (is == null)
{
System.out.println("File not found: " + jarname);
System.exit(1);
}
// Copy to the current directory in order to unjar it
//System.out.println("Copy the jarfile to: " + outputdir);
File jarFile = new File((new File(outputdir, jarname)).getCanonicalPath());
//System.out.println("jarFile: " + jarFile.getPath());
FileOutputStream fos = new FileOutputStream(jarFile);
byte[] data = new byte[1024];
int len;
while ((len = is.read(data)) != -1)
{
fos.write(data, 0, len);
}
fos.close();
// Now unjar the file
String jarCmd = "jar xf " + jarFile.getPath();
if ( useprocess == true )
{
// Now execute the jar command
Process pr = null;
try
{
//System.out.println("Use process to execute: " + jarCmd);
pr = Runtime.getRuntime().exec(jarCmd);
pr.waitFor();
//System.out.println("Process done.");
pr.destroy();
}
catch(Throwable t)
{
System.out.println("Process exception: " + t.getMessage());
if (pr != null)
{
pr.destroy();
pr = null;
}
}
}
else
{
System.out.println("Jar not implemented yet with useprocess=false");
}
}
}
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