/* * Copyright (c) 2005, 2008, 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 * or visit www.oracle.com if you need additional information or have any * questions. */package sun.management;import java.io.IOException;import java.util.ArrayList;import java.util.List;import javax.management.ObjectName;import com.sun.management.HotSpotDiagnosticMXBean;import com.sun.management.VMOption;/** * Implementation of the diagnostic MBean for Hotspot VM. */public class HotSpotDiagnostic implements HotSpotDiagnosticMXBean { public HotSpotDiagnostic() { } public native void dumpHeap(String outputFile, boolean live) throws IOException; public List<VMOption> getDiagnosticOptions() { List<Flag> allFlags = Flag.getAllFlags(); List<VMOption> result = new ArrayList<VMOption>(); for (Flag flag : allFlags) { if (flag.isWriteable() && flag.isExternal()) { result.add(flag.getVMOption()); } } return result; } public VMOption getVMOption(String name) { if (name == null) { throw new NullPointerException("name cannot be null"); } Flag f = Flag.getFlag(name); if (f == null) { throw new IllegalArgumentException("VM option \"" + name + "\" does not exist"); } return f.getVMOption(); } public void setVMOption(String name, String value) { if (name == null) { throw new NullPointerException("name cannot be null"); } if (value == null) { throw new NullPointerException("value cannot be null"); } Util.checkControlAccess(); Flag flag = Flag.getFlag(name); if (flag == null) { throw new IllegalArgumentException("VM option \"" + name + "\" does not exist"); } if (!flag.isWriteable()){ throw new IllegalArgumentException("VM Option \"" + name + "\" is not writeable"); } // Check the type of the value Object v = flag.getValue(); if (v instanceof Long) { try { long l = Long.parseLong(value); Flag.setLongValue(name, l); } catch (NumberFormatException e) { IllegalArgumentException iae = new IllegalArgumentException("Invalid value:" + " VM Option \"" + name + "\"" + " expects numeric value"); iae.initCause(e); throw iae; } } else if (v instanceof Boolean) { if (!value.equalsIgnoreCase("true") && !value.equalsIgnoreCase("false")) { throw new IllegalArgumentException("Invalid value:" + " VM Option \"" + name + "\"" + " expects \"true\" or \"false\"."); } Flag.setBooleanValue(name, Boolean.parseBoolean(value)); } else if (v instanceof String) { Flag.setStringValue(name, value); } else { throw new IllegalArgumentException("VM Option \"" + name + "\" is of an unsupported type: " + v.getClass().getName()); } } public ObjectName getObjectName() { return Util.newObjectName("com.sun.management:type=HotSpotDiagnostic"); }}
/*
* Copyright (c) 2005, 2008, 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
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package sun.management;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import javax.management.ObjectName;
import com.sun.management.HotSpotDiagnosticMXBean;
import com.sun.management.VMOption;
/**
* Implementation of the diagnostic MBean for Hotspot VM.
*/
public class HotSpotDiagnostic implements HotSpotDiagnosticMXBean {
public HotSpotDiagnostic() {
}
public native void dumpHeap(String outputFile, boolean live) throws IOException;
public List<VMOption> getDiagnosticOptions() {
List<Flag> allFlags = Flag.getAllFlags();
List<VMOption> result = new ArrayList<VMOption>();
for (Flag flag : allFlags) {
if (flag.isWriteable() && flag.isExternal()) {
result.add(flag.getVMOption());
}
}
return result;
}
public VMOption getVMOption(String name) {
if (name == null) {
throw new NullPointerException("name cannot be null");
}
Flag f = Flag.getFlag(name);
if (f == null) {
throw new IllegalArgumentException("VM option \"" +
name + "\" does not exist");
}
return f.getVMOption();
}
public void setVMOption(String name, String value) {
if (name == null) {
throw new NullPointerException("name cannot be null");
}
if (value == null) {
throw new NullPointerException("value cannot be null");
}
Util.checkControlAccess();
Flag flag = Flag.getFlag(name);
if (flag == null) {
throw new IllegalArgumentException("VM option \"" +
name + "\" does not exist");
}
if (!flag.isWriteable()){
throw new IllegalArgumentException("VM Option \"" +
name + "\" is not writeable");
}
// Check the type of the value
Object v = flag.getValue();
if (v instanceof Long) {
try {
long l = Long.parseLong(value);
Flag.setLongValue(name, l);
} catch (NumberFormatException e) {
IllegalArgumentException iae =
new IllegalArgumentException("Invalid value:" +
" VM Option \"" + name + "\"" +
" expects numeric value");
iae.initCause(e);
throw iae;
}
} else if (v instanceof Boolean) {
if (!value.equalsIgnoreCase("true") &&
!value.equalsIgnoreCase("false")) {
throw new IllegalArgumentException("Invalid value:" +
" VM Option \"" + name + "\"" +
" expects \"true\" or \"false\".");
}
Flag.setBooleanValue(name, Boolean.parseBoolean(value));
} else if (v instanceof String) {
Flag.setStringValue(name, value);
} else {
throw new IllegalArgumentException("VM Option \"" +
name + "\" is of an unsupported type: " +
v.getClass().getName());
}
}
public ObjectName getObjectName() {
return Util.newObjectName("com.sun.management:type=HotSpotDiagnostic");
}
}