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Smack/source/org/jivesoftware/smackx/debugger/EnhancedDebugger.java
Matt Tucker e382efa52a Updated to Apache 2.0 license.
git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@2407 b35dd754-fafc-0310-a699-88a17e54d16e
2004-11-02 23:37:00 +00:00

852 lines
33 KiB
Java

/**
* $RCSfile$
* $Revision$
* $Date$
*
* Copyright 2003-2004 Jive Software.
*
* All rights reserved. Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jivesoftware.smackx.debugger;
import java.awt.*;
import java.awt.datatransfer.*;
import java.awt.event.*;
import java.io.*;
import java.net.*;
import java.text.*;
import java.util.Date;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.table.*;
import javax.xml.transform.*;
import javax.xml.transform.stream.*;
import org.jivesoftware.smack.*;
import org.jivesoftware.smack.debugger.*;
import org.jivesoftware.smack.packet.*;
import org.jivesoftware.smack.util.*;
/**
* The EnhancedDebugger is a debugger that allows to debug sent, received and interpreted messages
* but also provides the ability to send ad-hoc messages composed by the user.<p>
*
* A new EnhancedDebugger will be created for each connection to debug. All the EnhancedDebuggers
* will be shown in the same debug window provided by the class EnhancedDebuggerWindow.
*
* @author Gaston Dombiak
*/
public class EnhancedDebugger implements SmackDebugger {
private static final String NEWLINE = "\n";
private static ImageIcon packetReceivedIcon;
private static ImageIcon packetSentIcon;
private static ImageIcon presencePacketIcon;
private static ImageIcon iqPacketIcon;
private static ImageIcon messagePacketIcon;
private static ImageIcon unknownPacketTypeIcon;
{
URL url;
// Load the image icons
url =
Thread.currentThread().getContextClassLoader().getResource("images/nav_left_blue.png");
if (url != null) {
packetReceivedIcon = new ImageIcon(url);
}
url =
Thread.currentThread().getContextClassLoader().getResource("images/nav_right_red.png");
if (url != null) {
packetSentIcon = new ImageIcon(url);
}
url =
Thread.currentThread().getContextClassLoader().getResource("images/photo_portrait.png");
if (url != null) {
presencePacketIcon = new ImageIcon(url);
}
url =
Thread.currentThread().getContextClassLoader().getResource(
"images/question_and_answer.png");
if (url != null) {
iqPacketIcon = new ImageIcon(url);
}
url = Thread.currentThread().getContextClassLoader().getResource("images/message.png");
if (url != null) {
messagePacketIcon = new ImageIcon(url);
}
url = Thread.currentThread().getContextClassLoader().getResource("images/unknown.png");
if (url != null) {
unknownPacketTypeIcon = new ImageIcon(url);
}
}
private DefaultTableModel messagesTable = null;
private JTextArea messageTextArea = null;
private JFormattedTextField userField = null;
private JFormattedTextField statusField = null;
private XMPPConnection connection = null;
private PacketListener packetReaderListener = null;
private PacketListener packetWriterListener = null;
private ConnectionListener connListener = null;
private Writer writer;
private Reader reader;
private ReaderListener readerListener;
private WriterListener writerListener;
private Date creationTime = new Date();
// Statistics variables
private DefaultTableModel statisticsTable = null;
private int sentPackets = 0;
private int receivedPackets = 0;
private int sentIQPackets = 0;
private int receivedIQPackets = 0;
private int sentMessagePackets = 0;
private int receivedMessagePackets = 0;
private int sentPresencePackets = 0;
private int receivedPresencePackets = 0;
private int sentOtherPackets = 0;
private int receivedOtherPackets = 0;
JTabbedPane tabbedPane;
public EnhancedDebugger(XMPPConnection connection, Writer writer, Reader reader) {
this.connection = connection;
this.writer = writer;
this.reader = reader;
createDebug();
EnhancedDebuggerWindow.addDebugger(this);
}
/**
* Creates the debug process, which is a GUI window that displays XML traffic.
*/
private void createDebug() {
// We'll arrange the UI into six tabs. The first tab contains all data, the second
// client generated XML, the third server generated XML, the fourth allows to send
// ad-hoc messages and the fifth contains connection information.
tabbedPane = new JTabbedPane();
// Add the All Packets, Sent, Received and Interpreted panels
addBasicPanels();
// Add the panel to send ad-hoc messages
addAdhocPacketPanel();
// Add the connection information panel
addInformationPanel();
// Create a thread that will listen for all incoming packets and write them to
// the GUI. This is what we call "interpreted" packet data, since it's the packet
// data as Smack sees it and not as it's coming in as raw XML.
packetReaderListener = new PacketListener() {
SimpleDateFormat dateFormatter = new SimpleDateFormat("hh:mm:ss aaa");
public void processPacket(Packet packet) {
addReadPacketToTable(dateFormatter, packet);
}
};
// Create a thread that will listen for all outgoing packets and write them to
// the GUI.
packetWriterListener = new PacketListener() {
SimpleDateFormat dateFormatter = new SimpleDateFormat("hh:mm:ss aaa");
public void processPacket(Packet packet) {
addSentPacketToTable(dateFormatter, packet);
}
};
// Create a thread that will listen for any connection closed event
connListener = new ConnectionListener() {
public void connectionClosed() {
statusField.setValue("Closed");
EnhancedDebuggerWindow.connectionClosed(EnhancedDebugger.this);
}
public void connectionClosedOnError(Exception e) {
statusField.setValue("Closed due to an exception");
EnhancedDebuggerWindow.connectionClosedOnError(EnhancedDebugger.this, e);
}
};
}
private void addBasicPanels() {
JPanel allPane = new JPanel();
allPane.setLayout(new GridLayout(2, 1));
tabbedPane.add("All Packets", allPane);
tabbedPane.setToolTipTextAt(0, "Sent and received packets processed by Smack");
messagesTable =
new DefaultTableModel(
new Object[] { "Hide", "Timestamp", "", "", "Message", "Id", "Type", "To", "From" },
0) {
public boolean isCellEditable(int rowIndex, int mColIndex) {
return false;
}
public Class getColumnClass(int columnIndex) {
if (columnIndex == 2 || columnIndex == 3) {
return Icon.class;
}
return super.getColumnClass(columnIndex);
}
};
JTable table = new JTable(messagesTable);
// Allow only single a selection
table.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
// Hide the first column
table.getColumnModel().getColumn(0).setMaxWidth(0);
table.getColumnModel().getColumn(0).setMinWidth(0);
table.getTableHeader().getColumnModel().getColumn(0).setMaxWidth(0);
table.getTableHeader().getColumnModel().getColumn(0).setMinWidth(0);
// Set the column "timestamp" size
table.getColumnModel().getColumn(1).setMaxWidth(300);
table.getColumnModel().getColumn(1).setPreferredWidth(70);
// Set the column "direction" icon size
table.getColumnModel().getColumn(2).setMaxWidth(50);
table.getColumnModel().getColumn(2).setPreferredWidth(30);
// Set the column "packet type" icon size
table.getColumnModel().getColumn(3).setMaxWidth(50);
table.getColumnModel().getColumn(3).setPreferredWidth(30);
// Set the column "Id" size
table.getColumnModel().getColumn(5).setMaxWidth(100);
table.getColumnModel().getColumn(5).setPreferredWidth(55);
// Set the column "type" size
table.getColumnModel().getColumn(6).setMaxWidth(200);
table.getColumnModel().getColumn(6).setPreferredWidth(50);
// Set the column "to" size
table.getColumnModel().getColumn(7).setMaxWidth(300);
table.getColumnModel().getColumn(7).setPreferredWidth(90);
// Set the column "from" size
table.getColumnModel().getColumn(8).setMaxWidth(300);
table.getColumnModel().getColumn(8).setPreferredWidth(90);
// Create a table listener that listen for row selection events
SelectionListener selectionListener = new SelectionListener(table);
table.getSelectionModel().addListSelectionListener(selectionListener);
table.getColumnModel().getSelectionModel().addListSelectionListener(selectionListener);
allPane.add(new JScrollPane(table));
messageTextArea = new JTextArea();
messageTextArea.setEditable(false);
// Add pop-up menu.
JPopupMenu menu = new JPopupMenu();
JMenuItem menuItem1 = new JMenuItem("Copy");
menuItem1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
// Get the clipboard
Clipboard clipboard = Toolkit.getDefaultToolkit().getSystemClipboard();
// Set the sent text as the new content of the clipboard
clipboard.setContents(new StringSelection(messageTextArea.getText()), null);
}
});
menu.add(menuItem1);
// Add listener to the text area so the popup menu can come up.
messageTextArea.addMouseListener(new PopupListener(menu));
allPane.add(new JScrollPane(messageTextArea));
// Create UI elements for client generated XML traffic.
final JTextArea sentText = new JTextArea();
sentText.setEditable(false);
sentText.setForeground(new Color(112, 3, 3));
tabbedPane.add("Raw Sent Packets", new JScrollPane(sentText));
tabbedPane.setToolTipTextAt(1, "Raw text of the sent packets");
// Add pop-up menu.
menu = new JPopupMenu();
menuItem1 = new JMenuItem("Copy");
menuItem1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
// Get the clipboard
Clipboard clipboard = Toolkit.getDefaultToolkit().getSystemClipboard();
// Set the sent text as the new content of the clipboard
clipboard.setContents(new StringSelection(sentText.getText()), null);
}
});
JMenuItem menuItem2 = new JMenuItem("Clear");
menuItem2.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
sentText.setText("");
}
});
// Add listener to the text area so the popup menu can come up.
sentText.addMouseListener(new PopupListener(menu));
menu.add(menuItem1);
menu.add(menuItem2);
// Create UI elements for server generated XML traffic.
final JTextArea receivedText = new JTextArea();
receivedText.setEditable(false);
receivedText.setForeground(new Color(6, 76, 133));
tabbedPane.add("Raw Received Packets", new JScrollPane(receivedText));
tabbedPane.setToolTipTextAt(
2,
"Raw text of the received packets before Smack process them");
// Add pop-up menu.
menu = new JPopupMenu();
menuItem1 = new JMenuItem("Copy");
menuItem1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
// Get the clipboard
Clipboard clipboard = Toolkit.getDefaultToolkit().getSystemClipboard();
// Set the sent text as the new content of the clipboard
clipboard.setContents(new StringSelection(receivedText.getText()), null);
}
});
menuItem2 = new JMenuItem("Clear");
menuItem2.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
receivedText.setText("");
}
});
// Add listener to the text area so the popup menu can come up.
receivedText.addMouseListener(new PopupListener(menu));
menu.add(menuItem1);
menu.add(menuItem2);
// Create a special Reader that wraps the main Reader and logs data to the GUI.
ObservableReader debugReader = new ObservableReader(reader);
readerListener = new ReaderListener() {
public void read(String str) {
int index = str.lastIndexOf(">");
if (index != -1) {
receivedText.append(str.substring(0, index + 1));
receivedText.append(NEWLINE);
if (str.length() > index) {
receivedText.append(str.substring(index + 1));
}
}
else {
receivedText.append(str);
}
}
};
debugReader.addReaderListener(readerListener);
// Create a special Writer that wraps the main Writer and logs data to the GUI.
ObservableWriter debugWriter = new ObservableWriter(writer);
writerListener = new WriterListener() {
public void write(String str) {
sentText.append(str);
if (str.endsWith(">")) {
sentText.append(NEWLINE);
}
}
};
debugWriter.addWriterListener(writerListener);
// Assign the reader/writer objects to use the debug versions. The packet reader
// and writer will use the debug versions when they are created.
reader = debugReader;
writer = debugWriter;
}
private void addAdhocPacketPanel() {
// Create UI elements for sending ad-hoc messages.
final JTextArea adhocMessages = new JTextArea();
adhocMessages.setEditable(true);
adhocMessages.setForeground(new Color(1, 94, 35));
tabbedPane.add("Ad-hoc message", new JScrollPane(adhocMessages));
tabbedPane.setToolTipTextAt(3, "Panel that allows you to send adhoc packets");
// Add pop-up menu.
JPopupMenu menu = new JPopupMenu();
JMenuItem menuItem = new JMenuItem("Message");
menuItem.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
adhocMessages.setText(
"<message to=\"\" id=\""
+ StringUtils.randomString(5)
+ "-X\"><body></body></message>");
}
});
menu.add(menuItem);
menuItem = new JMenuItem("IQ Get");
menuItem.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
adhocMessages.setText(
"<iq type=\"get\" to=\"\" id=\""
+ StringUtils.randomString(5)
+ "-X\"><query xmlns=\"\"></query></iq>");
}
});
menu.add(menuItem);
menuItem = new JMenuItem("IQ Set");
menuItem.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
adhocMessages.setText(
"<iq type=\"set\" to=\"\" id=\""
+ StringUtils.randomString(5)
+ "-X\"><query xmlns=\"\"></query></iq>");
}
});
menu.add(menuItem);
menuItem = new JMenuItem("Presence");
menuItem.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
adhocMessages.setText(
"<presence to=\"\" id=\"" + StringUtils.randomString(5) + "-X\"/>");
}
});
menu.add(menuItem);
menu.addSeparator();
menuItem = new JMenuItem("Send");
menuItem.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if (!"".equals(adhocMessages.getText())) {
AdHocPacket packetToSend = new AdHocPacket(adhocMessages.getText());
connection.sendPacket(packetToSend);
}
}
});
menu.add(menuItem);
menuItem = new JMenuItem("Clear");
menuItem.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
adhocMessages.setText(null);
}
});
menu.add(menuItem);
// Add listener to the text area so the popup menu can come up.
adhocMessages.addMouseListener(new PopupListener(menu));
}
private void addInformationPanel() {
// Create UI elements for connection information.
JPanel informationPanel = new JPanel();
informationPanel.setLayout(new BorderLayout());
// Add the Host information
JPanel connPanel = new JPanel();
connPanel.setLayout(new GridBagLayout());
connPanel.setBorder(BorderFactory.createTitledBorder("Connection information"));
JLabel label = new JLabel("Host: ");
label.setMinimumSize(new java.awt.Dimension(150, 14));
label.setMaximumSize(new java.awt.Dimension(150, 14));
connPanel.add(
label,
new GridBagConstraints(0, 0, 1, 1, 0.0, 0.0, 21, 0, new Insets(0, 0, 0, 0), 0, 0));
JFormattedTextField field = new JFormattedTextField(connection.getHost());
field.setMinimumSize(new java.awt.Dimension(150, 20));
field.setMaximumSize(new java.awt.Dimension(150, 20));
field.setEditable(false);
field.setBorder(null);
connPanel.add(
field,
new GridBagConstraints(1, 0, 1, 1, 1.0, 0.0, 10, 2, new Insets(0, 0, 0, 0), 0, 0));
// Add the Port information
label = new JLabel("Port: ");
label.setMinimumSize(new java.awt.Dimension(150, 14));
label.setMaximumSize(new java.awt.Dimension(150, 14));
connPanel.add(
label,
new GridBagConstraints(0, 1, 1, 1, 0.0, 0.0, 21, 0, new Insets(0, 0, 0, 0), 0, 0));
field = new JFormattedTextField(new Integer(connection.getPort()));
field.setMinimumSize(new java.awt.Dimension(150, 20));
field.setMaximumSize(new java.awt.Dimension(150, 20));
field.setEditable(false);
field.setBorder(null);
connPanel.add(
field,
new GridBagConstraints(1, 1, 1, 1, 0.0, 0.0, 10, 2, new Insets(0, 0, 0, 0), 0, 0));
// Add the connection's User information
label = new JLabel("User: ");
label.setMinimumSize(new java.awt.Dimension(150, 14));
label.setMaximumSize(new java.awt.Dimension(150, 14));
connPanel.add(
label,
new GridBagConstraints(0, 2, 1, 1, 0.0, 0.0, 21, 0, new Insets(0, 0, 0, 0), 0, 0));
userField = new JFormattedTextField();
userField.setMinimumSize(new java.awt.Dimension(150, 20));
userField.setMaximumSize(new java.awt.Dimension(150, 20));
userField.setEditable(false);
userField.setBorder(null);
connPanel.add(
userField,
new GridBagConstraints(1, 2, 1, 1, 0.0, 0.0, 10, 2, new Insets(0, 0, 0, 0), 0, 0));
// Add the connection's creationTime information
label = new JLabel("Creation time: ");
label.setMinimumSize(new java.awt.Dimension(150, 14));
label.setMaximumSize(new java.awt.Dimension(150, 14));
connPanel.add(
label,
new GridBagConstraints(0, 3, 1, 1, 0.0, 0.0, 21, 0, new Insets(0, 0, 0, 0), 0, 0));
field = new JFormattedTextField(new SimpleDateFormat("yyyy.MM.dd hh:mm:ss aaa"));
field.setMinimumSize(new java.awt.Dimension(150, 20));
field.setMaximumSize(new java.awt.Dimension(150, 20));
field.setValue(creationTime);
field.setEditable(false);
field.setBorder(null);
connPanel.add(
field,
new GridBagConstraints(1, 3, 1, 1, 0.0, 0.0, 10, 2, new Insets(0, 0, 0, 0), 0, 0));
// Add the connection's creationTime information
label = new JLabel("Status: ");
label.setMinimumSize(new java.awt.Dimension(150, 14));
label.setMaximumSize(new java.awt.Dimension(150, 14));
connPanel.add(
label,
new GridBagConstraints(0, 4, 1, 1, 0.0, 0.0, 21, 0, new Insets(0, 0, 0, 0), 0, 0));
statusField = new JFormattedTextField();
statusField.setMinimumSize(new java.awt.Dimension(150, 20));
statusField.setMaximumSize(new java.awt.Dimension(150, 20));
statusField.setValue("Active");
statusField.setEditable(false);
statusField.setBorder(null);
connPanel.add(
statusField,
new GridBagConstraints(1, 4, 1, 1, 0.0, 0.0, 10, 2, new Insets(0, 0, 0, 0), 0, 0));
// Add the connection panel to the information panel
informationPanel.add(connPanel, BorderLayout.NORTH);
// Add the Number of sent packets information
JPanel packetsPanel = new JPanel();
packetsPanel.setLayout(new GridLayout(1, 1));
packetsPanel.setBorder(BorderFactory.createTitledBorder("Transmitted Packets"));
statisticsTable =
new DefaultTableModel(new Object[][] { { "IQ", new Integer(0), new Integer(0)}, {
"Message", new Integer(0), new Integer(0)
}, {
"Presence", new Integer(0), new Integer(0)
}, {
"Other", new Integer(0), new Integer(0)
}, {
"Total", new Integer(0), new Integer(0)
}
}, new Object[] { "Type", "Received", "Sent" }) {
public boolean isCellEditable(int rowIndex, int mColIndex) {
return false;
}
};
JTable table = new JTable(statisticsTable);
// Allow only single a selection
table.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
packetsPanel.add(new JScrollPane(table));
// Add the packets panel to the information panel
informationPanel.add(packetsPanel, BorderLayout.CENTER);
tabbedPane.add("Information", new JScrollPane(informationPanel));
tabbedPane.setToolTipTextAt(4, "Information and statistics about the debugged connection");
}
public void userHasLogged(String user) {
userField.setText(user);
EnhancedDebuggerWindow.userHasLogged(this, user);
// Add the connection listener to the connection so that the debugger can be notified
// whenever the connection is closed.
connection.addConnectionListener(connListener);
}
public Reader getReader() {
return reader;
}
public Writer getWriter() {
return writer;
}
public PacketListener getReaderListener() {
return packetReaderListener;
}
public PacketListener getWriterListener() {
return packetWriterListener;
}
/**
* Updates the statistics table
*/
private void updateStatistics() {
statisticsTable.setValueAt(new Integer(receivedIQPackets), 0, 1);
statisticsTable.setValueAt(new Integer(sentIQPackets), 0, 2);
statisticsTable.setValueAt(new Integer(receivedMessagePackets), 1, 1);
statisticsTable.setValueAt(new Integer(sentMessagePackets), 1, 2);
statisticsTable.setValueAt(new Integer(receivedPresencePackets), 2, 1);
statisticsTable.setValueAt(new Integer(sentPresencePackets), 2, 2);
statisticsTable.setValueAt(new Integer(receivedOtherPackets), 3, 1);
statisticsTable.setValueAt(new Integer(sentOtherPackets), 3, 2);
statisticsTable.setValueAt(new Integer(receivedPackets), 4, 1);
statisticsTable.setValueAt(new Integer(sentPackets), 4, 2);
}
/**
* Adds the received packet detail to the messages table.
*
* @param dateFormatter the SimpleDateFormat to use to format Dates
* @param packet the read packet to add to the table
*/
private void addReadPacketToTable(SimpleDateFormat dateFormatter, Packet packet) {
String messageType = null;
String from = packet.getFrom();
String type = "";
Icon packetTypeIcon;
receivedPackets++;
if (packet instanceof IQ) {
packetTypeIcon = iqPacketIcon;
messageType = "IQ Received (class=" + packet.getClass().getName() + ")";
type = ((IQ) packet).getType().toString();
receivedIQPackets++;
}
else if (packet instanceof Message) {
packetTypeIcon = messagePacketIcon;
messageType = "Message Received";
type = ((Message) packet).getType().toString();
receivedMessagePackets++;
}
else if (packet instanceof Presence) {
packetTypeIcon = presencePacketIcon;
messageType = "Presence Received";
type = ((Presence) packet).getType().toString();
receivedPresencePackets++;
}
else {
packetTypeIcon = unknownPacketTypeIcon;
messageType = packet.getClass().getName() + " Received";
receivedOtherPackets++;
}
messagesTable.addRow(
new Object[] {
formatXML(packet.toXML()),
dateFormatter.format(new Date()),
packetReceivedIcon,
packetTypeIcon,
messageType,
packet.getPacketID(),
type,
"",
from });
// Update the statistics table
updateStatistics();
}
/**
* Adds the sent packet detail to the messages table.
*
* @param dateFormatter the SimpleDateFormat to use to format Dates
* @param packet the sent packet to add to the table
*/
private void addSentPacketToTable(SimpleDateFormat dateFormatter, Packet packet) {
String messageType = null;
String to = packet.getTo();
String type = "";
Icon packetTypeIcon;
sentPackets++;
if (packet instanceof IQ) {
packetTypeIcon = iqPacketIcon;
messageType = "IQ Sent (class=" + packet.getClass().getName() + ")";
type = ((IQ) packet).getType().toString();
sentIQPackets++;
}
else if (packet instanceof Message) {
packetTypeIcon = messagePacketIcon;
messageType = "Message Sent";
type = ((Message) packet).getType().toString();
sentMessagePackets++;
}
else if (packet instanceof Presence) {
packetTypeIcon = presencePacketIcon;
messageType = "Presence Sent";
type = ((Presence) packet).getType().toString();
sentPresencePackets++;
}
else {
packetTypeIcon = unknownPacketTypeIcon;
messageType = packet.getClass().getName() + " Sent";
sentOtherPackets++;
}
messagesTable.addRow(
new Object[] {
formatXML(packet.toXML()),
dateFormatter.format(new Date()),
packetSentIcon,
packetTypeIcon,
messageType,
packet.getPacketID(),
type,
to,
"" });
// Update the statistics table
updateStatistics();
}
private String formatXML(String str) {
try {
// Use a Transformer for output
TransformerFactory tFactory = TransformerFactory.newInstance();
Transformer transformer = tFactory.newTransformer();
transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
transformer.setOutputProperty(OutputKeys.INDENT, "yes");
transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "2");
// Transform the requested string into a nice formatted XML string
StreamSource source = new StreamSource(new StringReader(str));
StringWriter sw = new StringWriter();
StreamResult result = new StreamResult(sw);
transformer.transform(source, result);
return sw.toString();
}
catch (TransformerConfigurationException tce) {
// Error generated by the parser
System.out.println("\n** Transformer Factory error");
System.out.println(" " + tce.getMessage());
// Use the contained exception, if any
Throwable x = tce;
if (tce.getException() != null)
x = tce.getException();
x.printStackTrace();
}
catch (TransformerException te) {
// Error generated by the parser
System.out.println("\n** Transformation error");
System.out.println(" " + te.getMessage());
// Use the contained exception, if any
Throwable x = te;
if (te.getException() != null)
x = te.getException();
x.printStackTrace();
}
return str;
}
/**
* Returns true if the debugger's connection with the server is up and running.
*
* @return true if the connection with the server is active.
*/
boolean isConnectionActive() {
return connection.isConnected();
}
/**
* Stops debugging the connection. Removes any listener on the connection.
*
*/
void cancel() {
connection.removeConnectionListener(connListener);
connection.removePacketListener(packetReaderListener);
connection.removePacketWriterListener(packetWriterListener);
((ObservableReader)reader).removeReaderListener(readerListener);
((ObservableWriter)writer).removeWriterListener(writerListener);
messagesTable = null;
}
/**
* An ad-hoc packet is like any regular packet but with the exception that it's intention is
* to be used only <b>to send packets</b>.<p>
*
* The whole text to send must be passed to the constructor. This implies that the client of
* this class is responsible for sending a valid text to the constructor.
*
*/
private class AdHocPacket extends Packet {
private String text;
/**
* Create a new AdHocPacket with the text to send. The passed text must be a valid text to
* send to the server, no validation will be done on the passed text.
*
* @param text the whole text of the packet to send
*/
public AdHocPacket(String text) {
this.text = text;
}
public String toXML() {
return text;
}
}
/**
* Listens for debug window popup dialog events.
*/
private class PopupListener extends MouseAdapter {
JPopupMenu popup;
PopupListener(JPopupMenu popupMenu) {
popup = popupMenu;
}
public void mousePressed(MouseEvent e) {
maybeShowPopup(e);
}
public void mouseReleased(MouseEvent e) {
maybeShowPopup(e);
}
private void maybeShowPopup(MouseEvent e) {
if (e.isPopupTrigger()) {
popup.show(e.getComponent(), e.getX(), e.getY());
}
}
}
private class SelectionListener implements ListSelectionListener {
JTable table;
// It is necessary to keep the table since it is not possible
// to determine the table from the event's source
SelectionListener(JTable table) {
this.table = table;
}
public void valueChanged(ListSelectionEvent e) {
if (table.getSelectedRow() == -1) {
// Clear the messageTextArea since there is none packet selected
messageTextArea.setText(null);
}
else {
// Set the detail of the packet in the messageTextArea
messageTextArea.setText(
(String) table.getModel().getValueAt(table.getSelectedRow(), 0));
// Scroll up to the top
messageTextArea.setCaretPosition(0);
}
}
}
}