/*
* Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
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package com.sun.tools.visualvm.sa;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLClassLoader;
import java.util.logging.Logger;
/**
*
* @author Tomas Hurka
*/
class SAWrapper {
private static final Logger LOGGER = Logger.getLogger(SAWrapper.class.getName());
URLClassLoader loader;
File libraryPath;
SAWrapper(File jdkHome, File saJarFile) throws MalformedURLException {
// By default SA agent classes prefer dbx debugger to proc debugger
// and Windows process debugger to windbg debugger. SA expects
// special properties to be set to choose other debuggers.
// We will set those here before attaching to SA agent.
System.setProperty("sun.jvm.hotspot.debugger.useProcDebugger", "true"); // NOI18N
System.setProperty("sun.jvm.hotspot.debugger.useWindbgDebugger", "true"); // NOI18N
URL[] saJarUrls = new URL[]{saJarFile.toURI().toURL()};
String osArch = System.getProperty("os.arch"); // NOI18N
if ("x86".equals(osArch)) {
osArch = "i386";
}
libraryPath = new File(jdkHome, "jre/lib/" + osArch); // NOI18N
LOGGER.fine("Path " + libraryPath.getAbsolutePath()); // NOI18N
loader = new URLClassLoader(saJarUrls) {
@Override
protected String findLibrary(String libname) {
String name = System.mapLibraryName(libname);
File library = new File(libraryPath, name);
LOGGER.fine("Library " + library.getAbsolutePath()); // NOI18N
if (library.exists() && library.canRead()) {
return library.getAbsolutePath();
}
return super.findLibrary(libname);
}
};
}
Class classForName(String name) throws ClassNotFoundException {
return Class.forName(name,true,loader);
}
Class Tool() throws ClassNotFoundException {
return classForName("sun.jvm.hotspot.tools.Tool"); // NOI18N
}
Class VM() throws ClassNotFoundException {
return classForName("sun.jvm.hotspot.runtime.VM"); // NOI18N
}
Class HotSpotAgent() throws ClassNotFoundException {
return classForName("sun.jvm.hotspot.HotSpotAgent"); // NOI18N
}
Class HeapHprofBinWriter() throws ClassNotFoundException {
return classForName("sun.jvm.hotspot.utilities.HeapHprofBinWriter"); // NOI18N
}
Class Arguments() throws ClassNotFoundException {
return classForName("sun.jvm.hotspot.runtime.Arguments"); // NOI18N
}
}