tapi3gui.java

jtapi for telephone

/*
	Copyright (c) 2005 Serban Iordache 
	
	All rights reserved. 
	
	Permission is hereby granted, free of charge, to any person obtaining a 
	copy of this software and associated documentation files (the 
	"Software"), to deal in the Software without restriction, including 
	without limitation the rights to use, copy, modify, merge, publish, 
	distribute, and/or sell copies of the Software, and to permit persons 
	to whom the Software is furnished to do so, provided that the above 
	copyright notice(s) and this permission notice appear in all copies of 
	the Software and that both the above copyright notice(s) and this 
	permission notice appear in supporting documentation. 
	
	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 
	OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 
	MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT 
	OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 
	HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL 
	INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING 
	FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, 
	NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION 
	WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 
	
	Except as contained in this notice, the name of a copyright holder 
	shall not be used in advertising or otherwise to promote the sale, use 
	or other dealings in this Software without prior written authorization 
	of the copyright holder.
*/
package net.sourceforge.gjtapi.test.tapi3;

import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JList;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JTextField;
import javax.swing.SwingUtilities;
import javax.swing.border.EmptyBorder;
import javax.swing.event.DocumentEvent;
import javax.swing.event.DocumentListener;
import javax.swing.event.ListDataEvent;
import javax.swing.event.ListDataListener;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
import javax.telephony.Address;
import javax.telephony.Call;
import javax.telephony.Connection;
import javax.telephony.JtapiPeer;
import javax.telephony.JtapiPeerFactory;
import javax.telephony.JtapiPeerUnavailableException;
import javax.telephony.Provider;
import javax.telephony.Terminal;
import javax.telephony.TerminalConnection;
import javax.telephony.callcontrol.CallControlTerminalConnection;
import javax.telephony.media.MediaProvider;

import net.sourceforge.gjtapi.media.GenericMediaService;

import org.apache.log4j.Logger;

public class Tapi3Gui {
    private static final Logger logger = Logger.getLogger(Tapi3Gui.class);
    
    private JtapiPeer peer;
    private CallListenerObserver obsListener;
    private Provider provider;
    private Address address;    

    private JFrame tapi3Frame;
	private JTextField txtCalledNumber;
	private JButton butCall;

	private JTextField txtDTMF;
	private JButton butDTMF;

	private JScrollPane callsScrollPane;
	private JList lstCalls;
	private JButton butAnswer;
	private JButton butHangUp;
	private JButton butHold;
	private JButton butUnHold;
	
	private JScrollPane traceScrollPane;
	private JTextArea txtTrace;
    
    public Tapi3Gui() {
        Logger.getRootLogger().addAppender(new GuiAppender(this));
    }
    
    private void initTapi3() throws Tapi3GuiException {
        try {
            this.peer = JtapiPeerFactory.getJtapiPeer("net.sourceforge.gjtapi.GenericJtapiPeer");
            logger.debug("JTapi Peer successfully loaded.");
        } catch (JtapiPeerUnavailableException e) {
            throw new Tapi3GuiException("Cannot load JTapi Peer.", e);
        }
		obsListener = new CallListenerObserver();
		
		String providerName = "Tapi3";
        try {
            provider = peer.getProvider(providerName);
            logger.debug("Provider " + providerName + " successfully loaded.");
        } catch (Exception e) {
            throw new Tapi3GuiException("Cannot load provider " + providerName + ".", e);
        }

        String addressName = chooseAddress();
        try {
            address = provider.getAddress(addressName);
            logger.debug("Address set to " + addressName);
            
            address.addCallObserver(obsListener);
            
            logger.debug("Setting a listener on address " + addressName + "...");
            address.addCallListener(obsListener);
        } catch (Exception e) {
            throw new Tapi3GuiException("Cannot set address " + addressName, e);
        }
    }
    
    private String chooseAddress() throws Tapi3GuiException {
        Address[] addresses;
        try {
            addresses = provider.getAddresses();
        } catch (Exception e) {
            throw new Tapi3GuiException("Cannot retrieve addresses for " + provider.getName());
        }
        if(addresses == null || addresses.length == 0) {
            throw new Tapi3GuiException("No addresses available for " + provider.getName());
        }
        String[] names = new String[addresses.length];
        for(int i=0; i<names.length; i++) {
            names[i] = addresses[i].getName();
        }
        String addressName = (String)JOptionPane.showInputDialog(null, "Select an address", "Address selection", 
                				JOptionPane.QUESTION_MESSAGE, null, names, names[0]);
        if(addressName == null) {
            System.exit(0);
        }
        return addressName;
    }
    
    public void initGui() {
        tapi3Frame = new JFrame("Tapi3 Demo");
        
        JPanel tapiPanel = new JPanel(new BorderLayout());
        tapi3Frame.getContentPane().add(tapiPanel, BorderLayout.NORTH);
        
        JPanel inputPanel = new JPanel(new GridBagLayout());
        tapiPanel.add(inputPanel, BorderLayout.NORTH);
        
	    txtCalledNumber = new JTextField(16);
		inputPanel.add(txtCalledNumber, new GridBagConstraints(0, 0, 1, 1, 0.0, 0.0, 
		        GridBagConstraints.LINE_START, GridBagConstraints.HORIZONTAL, 
		        new Insets(40, 15, 10, 10), 0, 0));
	    
	    butCall = new JButton("Call");
	    butCall.setEnabled(false);
		inputPanel.add(butCall, new GridBagConstraints(1, 0, 1, 1, 0.0, 0.0, 
		        GridBagConstraints.CENTER, GridBagConstraints.HORIZONTAL, 
		        new Insets(40, 10, 10, 10), 0, 0));
        
        
	    txtDTMF = new JTextField(16);
		inputPanel.add(txtDTMF, new GridBagConstraints(0, 1, 1, 1, 0.0, 0.0, 
		        GridBagConstraints.LINE_START, GridBagConstraints.HORIZONTAL, 
		        new Insets(10, 15, 10, 10), 0, 0));
	    
	    butDTMF = new JButton("DTMF");
	    butDTMF.setEnabled(false);
		inputPanel.add(butDTMF, new GridBagConstraints(1, 1, 1, 1, 0.0, 0.0, 
		        GridBagConstraints.CENTER, GridBagConstraints.HORIZONTAL, 
		        new Insets(10, 10, 10, 10), 0, 0));
                
		inputPanel.add(new JPanel(), new GridBagConstraints(2, 0, 1, 2, 1.0, 1.0, 
		        GridBagConstraints.PAGE_END, GridBagConstraints.BOTH, 
		        new Insets(10, 10, 10, 10), 0, 0));
        
        JPanel callPanel = new JPanel(new GridBagLayout());
        tapiPanel.add(callPanel, BorderLayout.CENTER);
        
	    lstCalls = new JList(obsListener);
	    callsScrollPane = new JScrollPane(lstCalls);
	    callsScrollPane.setPreferredSize(new Dimension(480, 72));
		callPanel.add(callsScrollPane, new GridBagConstraints(0, 0, 1, 2, 0.0, 0.0,
		        GridBagConstraints.LINE_START, GridBagConstraints.HORIZONTAL, 
		        new Insets(40, 15, 20, 10), 0, 0));
	    
	    butAnswer = new JButton("Answer");
	    butAnswer.setEnabled(false);
		callPanel.add(butAnswer, new GridBagConstraints(1, 0, 1, 1, 0.0, 0.0,
		        GridBagConstraints.LINE_START, GridBagConstraints.HORIZONTAL, 
		        new Insets(40, 10, 2, 10), 0, 0));

	    butHold = new JButton("Hold");
	    butHold.setEnabled(false);
		callPanel.add(butHold, new GridBagConstraints(2, 0, 1, 1, 0.0, 0.0,
		        GridBagConstraints.LINE_START, GridBagConstraints.HORIZONTAL, 
		        new Insets(40, 10, 2, 10), 0, 0));
		
	    butHangUp = new JButton("Hang up");
	    butHangUp.setEnabled(false);
		callPanel.add(butHangUp, new GridBagConstraints(1, 1, 1, 1, 0.0, 0.0,
		        GridBagConstraints.LINE_START, GridBagConstraints.HORIZONTAL, 
		        new Insets(2, 10, 20, 10), 0, 0));
		
	    butUnHold = new JButton("UnHold");
	    butUnHold.setEnabled(false);
		callPanel.add(butUnHold, new GridBagConstraints(2, 1, 1, 1, 0.0, 0.0,
		        GridBagConstraints.LINE_START, GridBagConstraints.HORIZONTAL, 
		        new Insets(2, 10, 20, 10), 0, 0));
		
        
		callPanel.add(new JPanel(), new GridBagConstraints(3, 0, 1, 2, 1.0, 1.0, 
		        GridBagConstraints.PAGE_END, GridBagConstraints.BOTH, 
		        new Insets(40, 10, 20, 10), 0, 0));
        
        JPanel tracePanel = new JPanel(new BorderLayout());
        tracePanel.setBorder(new EmptyBorder(15, 15, 15, 15));
        tapi3Frame.getContentPane().add(tracePanel, BorderLayout.CENTER);
	    txtTrace = new JTextArea(16, 80);
	    traceScrollPane = new JScrollPane(txtTrace);
	    tracePanel.add(traceScrollPane, BorderLayout.CENTER);

		butCall.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent arg0) {
                new Thread() {
                    public void run() {
                        try {
                            call(getCalledNumber());
                        } catch (Tapi3GuiException e) {
                            logger.error(e.getMessage(), e.getCause());
		                    new MessageBox("Call error", "Cannot call.", e).show();
                        }
                    }
                }.start();
            }
        });
		
		butDTMF.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent arg0) {
                new Thread() {
                    public void run() {
                        try {
                            GenericMediaService ms = new GenericMediaService((MediaProvider)provider);
                            Terminal terminal = getSelectedTerminalConnection().getTerminal();
                            ms.bindToTerminal(null, terminal);
                            ms.sendSignals(txtDTMF.getText(), null, null);
                        } catch (Exception e) {
                            logger.error(e.getMessage(), e.getCause());
		                    new MessageBox("DTMF error", "Cannot send DTMF.", e).show();
                        }
                    }
                }.start();
            }
        });
		
		butAnswer.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent arg0) {
                new Thread() {
                    public void run() {
                        try {
                            TerminalConnection terminalConnection = getSelectedTerminalConnection();
                            if(terminalConnection != null) {
                                    terminalConnection.answer();
                            }
                        } catch (Exception e) {
                            logger.error("Cannot answer.", e);