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 /
VMFlagsPanel.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 values of Java command line flags */
public class VMFlagsPanel extends JPanel {
private JEditorPane flagsPane;
public VMFlagsPanel() {
initUI();
}
private void initUI() {
setLayout(new BorderLayout());
flagsPane = new JEditorPane();
flagsPane.setContentType("text/html");
flagsPane.setEditable(false);
flagsPane.setText(getFlags());
add(new JScrollPane(flagsPane), BorderLayout.CENTER);
}
private String getFlags() {
VM.Flag[] flags = VM.getVM().getCommandLineFlags();
StringBuffer buf = new StringBuffer();
buf.append("<html><head><title>VM Command Line Flags</title></head><body>");
if (flags == null) {
buf.append("<b>Command Flag info not available (use 1.4.1_03 or later)!</b>");
} else {
buf.append("<table border='1'>");
for (int f = 0; f < flags.length; f++) {
buf.append("<tr><td>");
buf.append(flags[f].getName());
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