/**
* Copyright (C) 2011 Brian Ferris <bdferris@onebusaway.org>
*
* 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.onebusaway.phone.client;
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.io.IOException;
import java.util.ArrayDeque;
import java.util.Deque;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.WindowConstants;
import javax.swing.event.DocumentEvent;
import javax.swing.event.DocumentListener;
import javax.swing.text.BadLocationException;
import javax.swing.text.Document;
import javax.swing.text.PlainDocument;
import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.GnuParser;
import org.apache.commons.cli.Options;
import org.apache.commons.cli.ParseException;
import org.apache.commons.cli.Parser;
import org.asteriskjava.fastagi.AgiClientChannel;
import org.asteriskjava.fastagi.AgiClientScript;
import org.asteriskjava.fastagi.AgiException;
import org.asteriskjava.fastagi.DefaultAgiClient;
import org.asteriskjava.fastagi.reply.AgiReply;
public class SimplePhoneClient {
private static final String ARG_HOSTNAME = "hostname";
private static final String ARG_PORT = "port";
private static final String ARG_CALLER_ID = "callerId";
private static final Pattern TEXT_PATTERN = Pattern.compile("^\"(.*)\" \".*\"$");
public static void main(String[] args) throws IOException, ParseException {
Parser parser = new GnuParser();
Options options = buildOptions();
CommandLine cli = parser.parse(options, args);
String host = cli.getOptionValue(ARG_HOSTNAME, "localhost");
int port = Integer.parseInt(cli.getOptionValue(ARG_PORT, "8001"));
String callerId = cli.getOptionValue(ARG_CALLER_ID, "2000");
AgiClientScriptImpl script = new AgiClientScriptImpl();
setupGui(script);
DefaultAgiClient client = new DefaultAgiClient(host, port, script);
client.setCallerId(callerId);
client.setNetworkScript("index.agi");
client.run();
}
private static void setupGui(AgiClientScriptImpl script) {
JFrame frame = new JFrame();
frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
KeyPressHandler handler = new KeyPressHandler(script);
JPanel panel = new JPanel();
panel.setLayout(new BorderLayout());
panel.addKeyListener(handler);
JPanel buttonPanel = new JPanel();
buttonPanel.setLayout(new GridLayout(4, 3));
panel.add(buttonPanel, BorderLayout.CENTER);
String buttons = "123456789*0#";
for (int i = 0; i < buttons.length(); i++)
addButton(buttonPanel, script, handler, buttons.charAt(i));
Document document = script.getDocument();
final JTextArea textArea = new JTextArea(document);
textArea.setEditable(false);
textArea.addKeyListener(handler);
document.addDocumentListener(new ScrollDocumentToEnd(textArea));
JScrollPane scrollPane = new JScrollPane(textArea);
scrollPane.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);
scrollPane.setPreferredSize(new Dimension(300, 100));
scrollPane.addKeyListener(handler);
panel.add(scrollPane, BorderLayout.SOUTH);
frame.getContentPane().add(panel);
frame.pack();
frame.setVisible(true);
}
private static Options buildOptions() {
Options options = new Options();
options.addOption(ARG_HOSTNAME, true, "hostname to connect to");
options.addOption(ARG_PORT, true, "host port to connect to");
options.addOption(ARG_CALLER_ID, true, "callerId to use");
return options;
}
private static void addButton(JPanel panel, final AgiClientScriptImpl script,
KeyPressHandler handler, final char key) {
String label = Character.toString(key);
JButton button = new JButton(label);
button.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
script.pushChar(key);
}
});
button.addKeyListener(handler);
panel.add(button);
}
private static class AgiClientScriptImpl implements AgiClientScript {
private static final String COMMAND_WAIT_FOR_DIGIT = "WAIT FOR DIGIT";
private static final String COMMAND_SAY_ALPHA = "SAY ALPHA";
private Deque<Character> _queue = new ArrayDeque<Character>();
private Document _document = new PlainDocument();
public Document getDocument() {
return _document;
}
@Override
public synchronized void service(AgiReply reply, AgiClientChannel channel)
throws AgiException {
String firstLine = reply.getFirstLine();
if (firstLine.startsWith(COMMAND_WAIT_FOR_DIGIT)) {
String token = firstLine.substring(COMMAND_WAIT_FOR_DIGIT.length());
token = token.trim();
long value = Long.parseLong(token);
try {
wait(value);
} catch (InterruptedException e) {
return;
}
} else if (firstLine.startsWith(COMMAND_SAY_ALPHA)) {
String token = firstLine.substring(COMMAND_SAY_ALPHA.length());
token = token.trim();
Matcher matcher = TEXT_PATTERN.matcher(token);
if (matcher.matches())
token = matcher.group(1);
if (token.length() > 0) {
appendLineToOutput(token);
long value = 40 * token.length();
try {
wait(value);
} catch (InterruptedException e) {
return;
}
}
} else {
System.out.println(firstLine);
}
char result = 0;
if (!_queue.isEmpty()) {
result = _queue.poll();
appendLineToOutput(">> " + result);
}
channel.sendDigit(result);
}
private void appendLineToOutput(String token) {
try {
_document.insertString(_document.getLength(), token + "\n", null);
} catch (BadLocationException ex) {
throw new IllegalStateException(ex);
}
}
public synchronized void pushChar(char value) {
_queue.add(value);
notify();
}
}
private static class ScrollDocumentToEnd implements DocumentListener {
private JTextArea _textArea;
public ScrollDocumentToEnd(JTextArea textArea) {
_textArea = textArea;
}
@Override
public void insertUpdate(DocumentEvent e) {
Document document = e.getDocument();
try {
String text = document.getText(0, document.getLength());
int position = document.getLength() - 1;
int index = text.lastIndexOf('\n', document.getLength() - 2);
if (index != -1)
position = Math.min(position, index + 20);
_textArea.setCaretPosition(position);
} catch (BadLocationException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
}
@Override
public void changedUpdate(DocumentEvent e) {
}
@Override
public void removeUpdate(DocumentEvent e) {
}
}
private static class KeyPressHandler extends KeyAdapter {
private AgiClientScriptImpl _script;
public KeyPressHandler(AgiClientScriptImpl script) {
_script = script;
}
@Override
public void keyTyped(KeyEvent e) {
_script.pushChar(e.getKeyChar());
}
}
}