1 /*
2 * Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package hello;
27
28 import jdk.packager.services.UserJvmOptionsService;
29
30 import java.awt.BorderLayout;
31 import java.awt.Dimension;
32 import java.awt.Toolkit;
33 import java.io.File;
34 import java.io.IOException;
35 import java.lang.management.ManagementFactory;
36 import java.lang.management.RuntimeMXBean;
37 import java.util.List;
38 import java.util.Map;
39 import javax.swing.*;
40 import javax.swing.table.DefaultTableModel;
41 import javax.swing.event.TableModelEvent;
42 import javax.swing.event.TableModelListener;
43 import javax.swing.JOptionPane;
44
45 public class TestPackager {
46
47 private static String[] args;
48
49 private static void createAndShowGUI() {
50 //Create and set up the window.
51 UserJvmOptionsService ujo = UserJvmOptionsService.getUserJVMDefaults();
52 Map<String, String> userOptions = ujo.getUserJVMOptions();
53
54 for (Map.Entry <String, String> entry : userOptions.entrySet()) {
55 System.out.println("key:" + entry.getKey() + " value:" + entry.getValue());
56 }
57 if (!userOptions.containsKey("-DfirstRunMs=")) {
58 userOptions.put("-DfirstRunMs=", Long.toString(System.currentTimeMillis()));
59 }
60 userOptions.put("-DlastRunMs=", Long.toString(System.currentTimeMillis()));
61 ujo.setUserJVMOptions(userOptions);
62
63 JFrame frame = new JFrame("Display Parameters");
64 frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
65
66 Dimension dim = Toolkit.getDefaultToolkit().getScreenSize();
67 frame.setBounds(0, 0, dim.width / 4, dim.height / 4);
68
69
70 long v = Runtime.getRuntime().maxMemory();
71 Long value = v / 1048576;
72 long t = Runtime.getRuntime().totalMemory();
73 Long total = t / 1048576;
74
75 String canonicalPath;
76 try {
77 canonicalPath = new File(".").getCanonicalPath();
78 } catch (IOException ioe) {
79 canonicalPath = ioe.getMessage();
80 }
81 JLabel label = new JLabel("<html>Memory Max: " + value.toString() + " MiB"
82 + "<br>Memory Current: " + total.toString() + " MiB"
83 + "<br>Current Working Dir: " + canonicalPath + "");
84
85 RuntimeMXBean RuntimemxBean = ManagementFactory.getRuntimeMXBean();
86 List<String> arguments = RuntimemxBean.getInputArguments();
87
88 JList<String> list = new JList<>(arguments.toArray(new String[arguments.size()]));
89 list.setSelectionMode(ListSelectionModel.SINGLE_INTERVAL_SELECTION);
90 list.setLayoutOrientation(JList.VERTICAL);
91 JScrollPane listScroller = new JScrollPane(list);
92 listScroller.setPreferredSize(new Dimension(400, 200));
93
94 DefaultTableModel model = new DefaultTableModel();
95 model.addColumn("Key");
96 model.addColumn("Effective");
97 model.addColumn("Default");
98 model.addTableModelListener(new TableModelListener() {
99 public void tableChanged(TableModelEvent e) {
100 System.out.println(e);
101
102 switch (e.getType()) {
103 case TableModelEvent.UPDATE:
104 int column = e.getColumn();
105 int row = e.getFirstRow();
106
107 if (column == 1) {
108 String key = model.getValueAt(row, 0).toString();
109 String value = model.getValueAt(row, column).toString();
110 JOptionPane.showMessageDialog(null, key + "=" + value + " column=" + String.valueOf(column) + " row=" + String.valueOf(row), "Changed", JOptionPane.INFORMATION_MESSAGE);
111 UserJvmOptionsService ujo = UserJvmOptionsService.getUserJVMDefaults();
112 Map<String, String> userOptions = ujo.getUserJVMOptions();
113 userOptions.put(key, value);
114 ujo.setUserJVMOptions(userOptions);
115 }
116 break;
117 }
118 }
119 });
120
121 Map<String, String> defaults = ujo.getUserJVMOptionDefaults();
122 for (Map.Entry <String, String> entry : userOptions.entrySet()) {
123 String def = defaults.get(entry.getKey());
124 model.addRow(new Object[] {entry.getKey(), entry.getValue(), def == null ? "<no default>" : def});
125 }
126 JTable prefs = new JTable(model);
127 JScrollPane prefsScroller = new JScrollPane(prefs);
128 prefsScroller.setPreferredSize(new Dimension(400, 100));
129
130 JList<String> argList = new JList<>(args);
131 argList.setSelectionMode(ListSelectionModel.SINGLE_INTERVAL_SELECTION);
132 argList.setLayoutOrientation(JList.VERTICAL);
133 JScrollPane argListScroller = new JScrollPane(argList);
134 argListScroller.setPreferredSize(new Dimension(400, 100));
135
136
137 Box box = Box.createVerticalBox();
138
139 box.add(new JLabel("JVM Arguments (user, options, and properties"));
140 box.add(Box.createVerticalStrut(5));
141 box.add(listScroller);
142
143 box.add(Box.createVerticalStrut(10));
144 box.add(new JLabel("User JVM Options, as set and with defaults"));
145 box.add(Box.createVerticalStrut(5));
146 box.add(prefsScroller);
147
148 box.add(Box.createVerticalStrut(10));
149 box.add(new JLabel("Command Line Arguments"));
150 box.add(Box.createVerticalStrut(5));
151 box.add(argListScroller);
152
153 JPanel panel = new JPanel();
154 panel.setLayout(new BorderLayout());
155 panel.setBorder(BorderFactory.createEmptyBorder(10, 30, 30, 30));
156 label.setBorder(BorderFactory.createEmptyBorder(0, 0, 20, 0));
157 panel.add(label, BorderLayout.NORTH);
158
159 DefaultTableModel propsModel = new DefaultTableModel();
160 propsModel.addColumn("Key");
161 propsModel.addColumn("Value");
162
163 for (Map.Entry <Object, Object> entry : System.getProperties().entrySet()) {
164 propsModel.addRow(new Object[] {entry.getKey(), entry.getValue()});
165 }
166 JTable props = new JTable(propsModel);
167 props.setAutoCreateRowSorter(true);
168 JScrollPane propsScroller = new JScrollPane(props);
169 propsScroller.setPreferredSize(new Dimension(400, 100));
170
171
172 JTabbedPane tabbedPane = new JTabbedPane();
173 tabbedPane.addTab("Launch", box);
174 tabbedPane.addTab("System", propsScroller);
175
176 panel.add(tabbedPane, BorderLayout.CENTER);
177 panel.setSize(panel.getPreferredSize());
178
179 frame.getContentPane().add(panel);
180 frame.setLocationRelativeTo(null);
181 frame.setSize(frame.getPreferredSize());
182
183 //Display the window.
184 frame.setVisible(true);
185 frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
186 }
187
188 public static void main(String[] args) {
189 TestPackager.args = args;
190 //Schedule a job for the event-dispatching thread:
191 //creating and showing this application's GUI.
192 try {
193 javax.swing.SwingUtilities.invokeAndWait(TestPackager::createAndShowGUI);
194 }
195 catch (Exception e) {
196 e.printStackTrace();
197 }
198 }
199 }