interact with simulations using javascripts
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tools/cooja/java/se/sics/cooja/plugins/LogScriptEngine.java
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203
tools/cooja/java/se/sics/cooja/plugins/LogScriptEngine.java
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/*
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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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* $Id: LogScriptEngine.java,v 1.1 2008/04/22 10:12:16 fros4943 Exp $
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*/
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package se.sics.cooja.plugins;
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import java.lang.reflect.UndeclaredThrowableException;
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import java.util.*;
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import javax.swing.*;
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import javax.script.*;
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import org.apache.log4j.Logger;
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import se.sics.cooja.*;
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/**
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* Executes JavaScripts on mote logs.
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*
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* @see ScriptRunner
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*
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* @author Fredrik Osterlind
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*/
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public class LogScriptEngine {
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private static final long serialVersionUID = 1L;
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private static Logger logger = Logger.getLogger(LogScriptEngine.class);
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private ScriptEngineManager factory = new ScriptEngineManager();
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private ScriptEngine engine = factory.getEngineByName("JavaScript");
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private Observer logObserver = null;
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private Observer simObserver = null;
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private Observer guiObserver = null;
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private GUI gui;
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private Observer scriptedLogObserver = null;
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private Observer scriptLogObserver = null;
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private String scriptCode;
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private interface ScriptLog {
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public void log(String log);
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}
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public LogScriptEngine(GUI gui, String code) {
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this.gui = gui;
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this.scriptCode = code;
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/* Create GUI observer: keeps track of new simulations */
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guiObserver = new Observer() {
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public void update(Observable obs, Object obj) {
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if (LogScriptEngine.this.gui.getSimulation() != null) {
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LogScriptEngine.this.gui.getSimulation().addObserver(simObserver);
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}
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registerLogObserver();
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}
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};
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/* Create simulation observer: keeps track of newly added nodes */
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simObserver = new Observer() {
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public void update(Observable obs, Object obj) {
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registerLogObserver();
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}
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};
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/* Create log observer: watches all log interfaces */
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logObserver = new Observer() {
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public void update(Observable obs, Object obj) {
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try {
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if (scriptedLogObserver != null) {
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scriptedLogObserver.update(obs, obj);
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}
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} catch (UndeclaredThrowableException e) {
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JOptionPane.showMessageDialog(GUI.getTopParentContainer(),
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e.getMessage(),
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"Script error", JOptionPane.ERROR_MESSAGE);
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unregisterLogObserver();
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}
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}
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};
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/* Create script engine */
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try {
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createScriptEngine(scriptCode);
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} catch (ScriptException e) {
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JOptionPane.showMessageDialog(GUI.getTopParentContainer(),
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e.getMessage(),
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"Script error", JOptionPane.ERROR_MESSAGE);
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unregisterLogObserver();
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}
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}
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public void setScriptLogObserver(Observer observer) {
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scriptLogObserver = observer;
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}
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private void unregisterLogObserver() {
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/* Unregister mote log observer */
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if (logObserver != null && gui.getSimulation() != null) {
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for (int i=0; i < gui.getSimulation().getMotesCount(); i++) {
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Mote mote = gui.getSimulation().getMote(i);
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if (mote.getInterfaces().getLog() != null) {
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mote.getInterfaces().getLog().deleteObserver(logObserver);
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}
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}
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}
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}
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private void registerLogObserver() {
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/* Register mote log observer */
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if (logObserver != null && gui.getSimulation() != null) {
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for (int i=0; i < gui.getSimulation().getMotesCount(); i++) {
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Mote mote = gui.getSimulation().getMote(i);
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if (mote.getInterfaces().getLog() != null) {
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mote.getInterfaces().getLog().addObserver(logObserver);
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}
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}
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}
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}
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/**
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* Activate script
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*/
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public void activateScript() {
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gui.addObserver(guiObserver);
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if (gui.getSimulation() != null) {
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gui.getSimulation().addObserver(simObserver);
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}
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registerLogObserver();
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}
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/**
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* Deactivate script
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*/
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public void deactiveScript() {
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gui.deleteObserver(guiObserver);
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if (gui.getSimulation() != null) {
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gui.getSimulation().deleteObserver(simObserver);
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}
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unregisterLogObserver();
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}
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private void createScriptEngine(String code) throws ScriptException {
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engine.eval("function update(obs, obj) { " +
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"if (obj != null) {" +
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" mote = obj;" +
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" id = mote.getInterfaces().getMoteID().getMoteID();" +
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" msg = mote.getInterfaces().getLog().getLastLogMessages();" +
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"} else {" +
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" return;" +
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"} " +
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code +
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" };");
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Invocable inv = (Invocable) engine;
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scriptedLogObserver = inv.getInterface(Observer.class);
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/* Create script logger */
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engine.put("log", new ScriptLog() {
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public void log(String msg) {
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if (scriptLogObserver != null) {
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scriptLogObserver.update(null, msg);
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}
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}
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});
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/* TODO Test script */
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logObserver.update(null, null);
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}
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}
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134
tools/cooja/java/se/sics/cooja/plugins/ScriptRunner.java
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134
tools/cooja/java/se/sics/cooja/plugins/ScriptRunner.java
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/*
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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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* $Id: ScriptRunner.java,v 1.1 2008/04/22 10:12:16 fros4943 Exp $
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*/
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package se.sics.cooja.plugins;
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import java.awt.BorderLayout;
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import java.awt.Insets;
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import java.awt.event.ActionEvent;
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import java.awt.event.ActionListener;
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import java.util.*;
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import javax.swing.*;
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import org.apache.log4j.Logger;
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import org.jdom.Element;
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import se.sics.cooja.*;
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@ClassDescription("Script Runner (Log)")
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@PluginType(PluginType.COOJA_PLUGIN)
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public class ScriptRunner extends VisPlugin {
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private static final long serialVersionUID = 1L;
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private static Logger logger = Logger.getLogger(ScriptRunner.class);
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private JTextArea scriptTextArea;
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private JTextArea logTextArea;
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private GUI gui;
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private LogScriptEngine scriptTester = null;
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private JButton toggleButton;
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public ScriptRunner(GUI gui) {
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super("Script Runner (Log)", gui);
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this.gui = gui;
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scriptTextArea = new JTextArea(8,50);
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scriptTextArea.setMargin(new Insets(5,5,5,5));
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scriptTextArea.setEditable(true);
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scriptTextArea.setCursor(null);
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scriptTextArea.setText("log.log('ID=' + id + ': ' + msg);");
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logTextArea = new JTextArea(8,50);
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logTextArea.setMargin(new Insets(5,5,5,5));
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logTextArea.setEditable(false);
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logTextArea.setCursor(null);
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toggleButton = new JButton("Activate");
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toggleButton.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent ev) {
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if (toggleButton.getText().equals("Activate")) {
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scriptTester = new LogScriptEngine(ScriptRunner.this.gui, scriptTextArea.getText());
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scriptTester.activateScript();
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scriptTester.setScriptLogObserver(new Observer() {
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public void update(Observable obs, Object obj) {
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logTextArea.append((String) obj);
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}
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});
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toggleButton.setText("Deactivate");
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scriptTextArea.setEnabled(false);
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} else {
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if (scriptTester != null) {
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scriptTester.deactiveScript();
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scriptTester = null;
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}
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toggleButton.setText("Activate");
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scriptTextArea.setEnabled(true);
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}
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}
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});
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JPanel centerPanel = new JPanel(new BorderLayout());
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centerPanel.add(BorderLayout.CENTER, new JScrollPane(scriptTextArea));
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centerPanel.add(BorderLayout.SOUTH, new JScrollPane(logTextArea));
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JPanel buttonPanel = new JPanel(new BorderLayout());
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buttonPanel.add(BorderLayout.EAST, toggleButton);
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getContentPane().add(BorderLayout.CENTER, centerPanel);
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getContentPane().add(BorderLayout.SOUTH, buttonPanel);
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pack();
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try {
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setSelected(true);
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} catch (java.beans.PropertyVetoException e) {
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// Could not select
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}
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}
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public void closePlugin() {
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if (scriptTester != null) {
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scriptTester.deactiveScript();
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scriptTester.setScriptLogObserver(null);
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}
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}
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public Collection<Element> getConfigXML() {
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return null;
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}
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public boolean setConfigXML(Collection<Element> configXML, boolean visAvailable) {
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return true;
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}
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}
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