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Java > Open Source Codes > org > apache > log4j > gui > examples > TextPaneAppenderExample


1 /*
2  * Copyright 1999-2005 The Apache Software Foundation.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16
17 package org.apache.log4j.gui.examples;
18
19 import java.awt.BorderLayout JavaDoc;
20 import java.awt.event.*;
21 import javax.swing.*;
22 import org.apache.log4j.*;
23 import org.apache.log4j.gui.*;
24
25
26
27 public class TextPaneAppenderExample implements ActionListener {
28
29     JFrame mainframe;
30     ButtonGroup priorities;
31     TextPaneAppender tpa;
32     Category gui;
33     Priority prio[];
34     JTabbedPane logview;
35     
36     
37     public TextPaneAppenderExample () {
38     mainframe = new JFrame("Testing the TextPaneAppender...");
39     mainframe.setSize(300,300);
40     logview = new JTabbedPane();
41     createLogger();
42     createMenuBar();
43     mainframe.setVisible(true);
44     mainframe.getContentPane().add(logview);
45     }
46
47     public void createLogger() {
48     tpa = new TextPaneAppender(new PatternLayout("%-5p %d [%t]: %m%n"),"Debug");
49     logview.addTab("Events ...",new JScrollPane(tpa.getTextPane()));
50     gui = Category.getInstance(this.getClass().getName());
51     gui.addAppender(tpa);
52     }
53     
54     public void createMenuBar() {
55     JMenu file = new JMenu("File");
56     JMenuItem exit = new JMenuItem("Exit");
57     exit.addActionListener(new ActionListener() {
58         public void actionPerformed(ActionEvent ae) {
59             System.exit(0);
60         }
61         });
62     file.add(exit);
63     JMenuBar mb = new JMenuBar();
64     mb.add(file);
65     
66     JMenu logevent = new JMenu("LoggingEvents");
67     JMenu selectprio = new JMenu("Priority");
68     
69     prio = Priority.getAllPossiblePriorities();
70     JRadioButtonMenuItem priority[]= new JRadioButtonMenuItem[prio.length];
71     priorities = new ButtonGroup();
72     
73     for (int i=0; i<prio.length;i++) {
74         if (i==0)
75         priority[i] = new JRadioButtonMenuItem(prio[i].toString(),true);
76         else
77         priority[i] = new JRadioButtonMenuItem(prio[i].toString());
78         priority[i].setActionCommand(prio[i].toString());
79         selectprio.add(priority[i]);
80         priorities.add(priority[i]);
81
82     }
83     
84     logevent.add(selectprio);
85     
86     JMenuItem lognow = new JMenuItem("LogIt!");
87     lognow.addActionListener(this);
88     logevent.add(lognow);
89     
90     mb.add(logevent);
91     
92     mainframe.setJMenuBar(mb);
93     
94     }
95     
96     public void actionPerformed(ActionEvent ae){
97     String JavaDoc logtext = JOptionPane.showInputDialog("Text to log");
98     if (logtext == null) logtext="NO Input";
99     int i=0;
100     String JavaDoc name = priorities.getSelection().getActionCommand();
101     while (!prio[i].toString().equals(name))
102         i=i+1;
103     gui.log(prio[i],logtext);
104     }
105
106     static public void main(String JavaDoc args[]) {
107     TextPaneAppenderExample tpex = new TextPaneAppenderExample();
108     }
109     
110 }
111
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