225 lines
7.0 KiB
Java
225 lines
7.0 KiB
Java
/*
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* Copyright (c) 2008, Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*
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* -----------------------------------------------------------------
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*
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* SerialConsole
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*
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* Authors : Joakim Eriksson, Niclas Finne
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* Created : 4 jul 2008
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* Updated : $Date: 2010/11/03 14:53:05 $
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* $Revision: 1.1 $
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*/
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package org.contikios.contiki.collect.gui;
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import java.awt.BorderLayout;
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import java.awt.Component;
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import java.awt.event.ActionEvent;
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import java.awt.event.ActionListener;
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import java.awt.event.KeyAdapter;
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import java.awt.event.KeyEvent;
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import javax.swing.JMenuItem;
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import javax.swing.JOptionPane;
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import javax.swing.JPanel;
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import javax.swing.JPopupMenu;
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import javax.swing.JScrollPane;
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import javax.swing.JTextArea;
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import javax.swing.JTextField;
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import javax.swing.SwingUtilities;
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import org.contikios.contiki.collect.CollectServer;
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import org.contikios.contiki.collect.Node;
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import org.contikios.contiki.collect.SensorData;
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import org.contikios.contiki.collect.Visualizer;
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/**
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*
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*/
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public class SerialConsole implements Visualizer {
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private final CollectServer server;
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private final String category;
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private JPanel panel;
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private JTextArea logArea;
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private JTextField commandField;
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private String[] history = new String[50];
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private int historyPos = 0;
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private int historyCount = 0;
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public SerialConsole(CollectServer server, String category) {
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this.server = server;
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this.category = category;
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panel = new JPanel(new BorderLayout());
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logArea = new JTextArea(4, 30);
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logArea.setEditable(false);
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panel.add(new JScrollPane(logArea), BorderLayout.CENTER);
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JPopupMenu popupMenu = new JPopupMenu();
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JMenuItem clearItem = new JMenuItem("Clear");
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clearItem.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent e) {
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logArea.setText("");
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}
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});
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popupMenu.add(clearItem);
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logArea.setComponentPopupMenu(popupMenu);
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commandField = new JTextField();
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commandField.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent e) {
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String command = trim(commandField.getText());
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if (command != null) {
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try {
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int previous = historyCount - 1;
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if (previous < 0) previous += history.length;
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if (!command.equals(history[previous])) {
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history[historyCount] = command;
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historyCount = (historyCount + 1) % history.length;
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}
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historyPos = historyCount;
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if (SerialConsole.this.server.sendToNode(command)) {
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commandField.setText("");
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} else {
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addSerialData("*** failed to send command ***");
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}
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} catch (Exception ex) {
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System.err.println("could not send '" + command + "':");
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ex.printStackTrace();
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JOptionPane.showMessageDialog(panel,
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"could not send '" + command + "':\n"
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+ ex, "ERROR",
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JOptionPane.ERROR_MESSAGE);
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}
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} else {
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commandField.getToolkit().beep();
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}
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}
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});
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commandField.addKeyListener(new KeyAdapter() {
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@Override
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public void keyPressed(KeyEvent e) {
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switch (e.getKeyCode()) {
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case KeyEvent.VK_UP: {
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int nextPos = (historyPos + history.length - 1) % history.length;
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if (nextPos == historyCount || history[nextPos] == null) {
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commandField.getToolkit().beep();
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} else {
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String cmd = trim(commandField.getText());
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if (cmd != null) {
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history[historyPos] = cmd;
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}
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historyPos = nextPos;
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commandField.setText(history[historyPos]);
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}
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break;
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}
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case KeyEvent.VK_DOWN: {
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int nextPos = (historyPos + 1) % history.length;
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if (nextPos == historyCount) {
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historyPos = nextPos;
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commandField.setText("");
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} else if (historyPos == historyCount || history[nextPos] == null) {
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commandField.getToolkit().beep();
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} else {
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String cmd = trim(commandField.getText());
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if (cmd != null) {
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history[historyPos] = cmd;
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}
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historyPos = nextPos;
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commandField.setText(history[historyPos]);
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}
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break;
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}
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}
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}
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});
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panel.add(commandField, BorderLayout.SOUTH);
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}
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@Override
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public Component getPanel() {
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return panel;
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}
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@Override
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public String getCategory() {
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return category;
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}
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@Override
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public String getTitle() {
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return "Serial Console";
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}
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@Override
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public void nodeAdded(Node node) {
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// Ignore
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}
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@Override
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public void nodeDataReceived(SensorData sensorData) {
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// Ignore
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}
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@Override
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public void clearNodeData() {
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// Ignore
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}
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@Override
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public void nodesSelected(Node[] node) {
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// Ignore
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}
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public void addSerialData(final String text) {
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SwingUtilities.invokeLater(new Runnable() {
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public void run() {
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String current = logArea.getText();
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int len = current.length();
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if (len > 4096) {
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current = current.substring(len - 4096);
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}
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current = len > 0 ? (current + '\n' + text) : text;
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logArea.setText(current);
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logArea.setCaretPosition(current.length());
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}
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});
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}
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private String trim(String text) {
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return (text != null) && ((text = text.trim()).length() > 0) ? text : null;
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}
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}
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