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/* Copyright (C) 2003 Vladimir Roubtsov. All rights reserved.
*
* This program and the accompanying materials are made available under
* the terms of the Common Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/cpl-v10.html
*
* $Id: RTExitHook.java,v 1.1.1.1.2.2 2004/07/10 03:34:53 vlad_r Exp $
*/
package com.vladium.emma.rt;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;
import java.util.StringTokenizer;
import com.vladium.emma.data.ICoverageData;
// ----------------------------------------------------------------------------
/**
* @author Vlad Roubtsov, (C) 2003
*/
final class RTExitHook implements Runnable
{
// public: ................................................................
public synchronized void run ()
{
if (m_cdata != null)
{
RTCoverageDataPersister.dumpCoverageData (m_cdata, true, m_outFile, m_merge);
m_RT = null;
m_cdata = null;
}
}
public static void createClassLoaderClosure ()
{
Properties closureMap = null;
InputStream in = null;
try
{
// note that this does not use ClassLoaderResolver by design
// (closure loading must not load any app classes that are outside
/// the closure list)
in = RTExitHook.class.getResourceAsStream (CLOSURE_RESOURCE);
if (in != null)
{
closureMap = new Properties ();
closureMap.load (in);
}
else
{
throw new Error ("packaging failure: closure resource not found");
}
}
catch (Exception e)
{
e.printStackTrace (System.out);
throw new Error ("packaging failure: " + e.toString ());
}
finally
{
if (in != null) try { in.close (); } catch (IOException ignore) { ignore.printStackTrace (); }
}
in = null;
final String closureList = closureMap.getProperty ("closure");
if (closureList == null)
{
throw new Error ("packaging failure: no closure mapping");
}
// note that this uses the current classloader (only), consistently
// with the getResourceAsStream() above:
final ClassLoader loader = RTExitHook.class.getClassLoader ();
final StringTokenizer tokenizer = new StringTokenizer (closureList, ",");
while (tokenizer.hasMoreTokens ())
{
final String className = tokenizer.nextToken ();
try
{
Class.forName (className, true, loader);
}
catch (Exception e)
{
throw new Error ("packaging failure: class [" + className + "] not found {" + e.toString () + "}");
}
}
}
// protected: .............................................................
// package: ...............................................................
RTExitHook (final Class RT, final ICoverageData cdata, final File outFile, final boolean merge)
{
m_RT = RT;
m_cdata = cdata;
m_outFile = outFile;
m_merge = merge;
}
// private: ...............................................................
private final File m_outFile;
private final boolean m_merge;
private Class m_RT; // keep our RT class pinned in memory
private ICoverageData m_cdata;
private static final String CLOSURE_RESOURCE = "RTExitHook.closure"; // relative to this package
} // end of class
// ----------------------------------------------------------------------------
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