JDK14/Java14源码在线阅读
JDK14/Java14源码在线阅读 /
jdk.hotspot.agent /
share /
classes /
sun /
jvm /
hotspot /
ui /
VMVersionInfoPanel.java
/*
* Copyright (c) 2002, 2003, 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.
*
* 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.jvm.hotspot.ui;
import java.awt.*;
import javax.swing.*;
import sun.jvm.hotspot.runtime.*;
/** Shows VM version information */
public class VMVersionInfoPanel extends JPanel {
private JEditorPane versionPane;
public VMVersionInfoPanel() {
initUI();
}
private void initUI() {
setLayout(new BorderLayout());
versionPane = new JEditorPane();
versionPane.setContentType("text/html");
versionPane.setEditable(false);
versionPane.setText(getVersionInfo());
add(versionPane, BorderLayout.CENTER);
}
private String getVersionInfo() {
VM vm = VM.getVM();
StringBuffer buf = new StringBuffer();
buf.append("<html><head><title>VM Version Info</title></head>");
buf.append("<body><table border='1'>");
// VM type
buf.append("<tr><td><b>VM Type</b></td>");
buf.append("<td>");
if (vm.isCore()) {
buf.append("<b>core</b>");
} else if(vm.isClientCompiler()) {
buf.append("<b>client</b>");
} else if(vm.isServerCompiler()) {
buf.append("<b>server</b>");
} else {
buf.append("<b>unknown</b>");
}
buf.append("</td></tr>");
// VM release
String release = vm.getVMRelease();
if (release != null) {
buf.append("<tr><td><b>VM Release</td><td><b>");
buf.append(release);
buf.append("</b></td></tr>");
}
// VM internal info
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