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22 package org.enhydra.multiServer.launch;
23
24 import org.enhydra.multiServer.launch.capture.Printer;
26 import org.enhydra.multiServer.launch.capture.PrintEvent;
27 import org.enhydra.multiServer.launch.capture.PrintListener;
28
29 import java.io.IOException  ;
31 import java.io.File ;
32 import java.io.FileWriter ;
33 import java.io.PrintWriter ;
34 import java.awt.*;
35 import javax.swing.*;
36 import java.beans.Beans ;
37 public class OutputPanel extends JPanel implements PrintListener {
38 private BorderLayout layoutMain;
39 private JScrollPane scrollOutput;
40 private JTextArea textOutput;
41 private boolean critical = false;
42 private Printer errPrinter = new Printer(PrintEvent.ERROR);
43 private Printer outPrinter = new Printer(PrintEvent.OUTPUT);
44
45 public OutputPanel() {
46 try {
47 jbInit();
48 } catch (Exception ex) {
49 ex.printStackTrace();
50 }
51 }
52
53 public void onPrint(PrintEvent event) {
54 final String output = event.getString();
55
56 appendMessage(output);
57 }
58
59 protected void initCapture() {
60 Printer.addPrintListener(this);
61 captureOutput();
62 }
63
64 private void captureOutput() {
65 if (!LaunchApp.debug) {
66 System.setErr(errPrinter);
67 System.setOut(outPrinter);
68 }
69 }
70
71 private LaunchApp getApp() {
72 return LaunchApp.app;
73 }
74
75 protected void appendMessage(final String out) {
76 String message = new String (out);
77
78 appendToFile(message);
79 if (!critical) {
80 if ((message != null)
81 && (message.indexOf("kernel,CRITICAL") > -1)) {
82 if (message.length() > 100) {
83 message = message.substring(0, 75) + "...";
84 }
85 message = message + "\n\n See " + getApp().getLogFilePath()
86 + "\n for more information.";
87 getApp().runKiller(30);
88 critical = true;
89 JOptionPane.showMessageDialog(this, message,
90 "Critical Error: Server will shutdown in 30 seconds",
91 JOptionPane.ERROR_MESSAGE);
92 }
93 }
94 Runnable sendOutput = new Runnable () {
95 public void run() {
96 textOutput.append(out + "\n");
97 }
98
99 };
100
101 try {
102 SwingUtilities.invokeLater(sendOutput);
103 } catch (Exception e) {
104 e.printStackTrace();
105 }
106 }
107
108 private void appendToFile(String message) {
109 if (getApp() != null) {
110 try {
111 PrintWriter logWriter = getApp().getLogWriter();
112
113 logWriter.println(message);
114 } catch (IOException e) {
115 getApp().freeOutput();
116 e.printStackTrace();
117 captureOutput();
118 }
119 }
120 }
121
122 private void jbInit() throws Exception {
123 layoutMain =
124 (BorderLayout) Beans.instantiate(getClass().getClassLoader(),
125 BorderLayout.class.getName());
126 textOutput =
127 (JTextArea) Beans.instantiate(getClass().getClassLoader(),
128 JTextArea.class.getName());
129 textOutput.setEditable(false);
130 textOutput.setRows(15);
131 scrollOutput = new JScrollPane(textOutput);
132 this.setLayout(layoutMain);
133 this.add(scrollOutput, BorderLayout.CENTER);
134 }
135
136 }
137 |
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