/*
* 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.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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package com.sun.tools.visualvm.sa;
import java.io.File;
import java.lang.reflect.InvocationTargetException;
import java.net.MalformedURLException;
import java.util.Map;
import java.util.HashMap;
/**
*
* @author Tomas Hurka
*/
class Agent {
private static Map<File,Agent> agentMap = new HashMap();
static Agent getAgent(File jdkHome,File saJarFile) throws ClassNotFoundException, InstantiationException, IllegalAccessException, MalformedURLException {
synchronized (agentMap) {
Agent agent = agentMap.get(saJarFile);
if (agent == null) {
agent = new Agent(jdkHome,saJarFile);
agentMap.put(saJarFile,agent);
}
return agent;
}
}
private SAWrapper saClassLoader;
private final SAObject hotspotAgent;
private VM vm;
private Arguments args;
private Agent(File jdkHome,File saJarFile) throws ClassNotFoundException, InstantiationException, IllegalAccessException, MalformedURLException {
saClassLoader = new SAWrapper(jdkHome,saJarFile);
hotspotAgent = new SAObject(saClassLoader.HotSpotAgent().newInstance());
}
boolean attach(int pid) throws ClassNotFoundException, InstantiationException, IllegalAccessException, InvocationTargetException {
hotspotAgent.invoke("attach",pid); // NOI18N
return true;
}
boolean attach(String executable,String coredump) throws ClassNotFoundException, InstantiationException, IllegalAccessException, InvocationTargetException {
hotspotAgent.invoke("attach",executable,coredump); // NOI18N
return true;
}
boolean attach(String remoteServer) throws ClassNotFoundException, InstantiationException, IllegalAccessException, InvocationTargetException {
hotspotAgent.invoke("attach",remoteServer); // NOI18N
return true;
}
void detach() throws IllegalAccessException, InvocationTargetException {
hotspotAgent.invoke("detach"); // NOI18N
}
VM getVM() throws ClassNotFoundException, NoSuchMethodException, IllegalAccessException, InvocationTargetException {
if (vm == null) {
Class vmClass = saClassLoader.VM();
Object saVM = vmClass.getMethod("getVM").invoke(null); // NOI18N
vm = new VM(saVM);
}
return vm;
}
Arguments getArguments() throws ClassNotFoundException {
if (args == null) {
args = new Arguments(saClassLoader.Arguments());
}
return args;
}
SAObject getHeapHprofBinWriter() throws ClassNotFoundException, InstantiationException, IllegalAccessException {
return new SAObject(saClassLoader.HeapHprofBinWriter().newInstance());
}
}