Initial files from lecturer

.gitignore

@@ -0,0 +1 @@
+build

build.xml

@@ -0,0 +1,26 @@
+<project name="JadeLab1" default="run" basedir=".">
+  <property name="src" location="src"/>
+  <property name="build" location="build"/>
+
+  <target name="init">
+    <mkdir dir="${build}"/>
+  </target>
+
+  <target name="compile" depends="init" description="compile the source " >
+    <javac srcdir="${src}" destdir="${build}">
+      <classpath location="jade/lib/jade.jar" />
+    </javac>
+  </target>
+
+  <target name="clean" description="clean up" >
+    <delete dir="${build}"/>
+    <delete dir="${dist}"/>
+  </target>
+
+  <target name="run" description="create agents" >
+    <java fork="true" classpath="jade/lib/jade.jar;build" classname="jade.Boot">
+      <arg value="-gui" />
+      <arg value="UserAgent:jadelab1.MyAgent;ServiceAgent:jadelab1.ServiceAgent" />
+    </java>
+  </target>
+</project>

src/MyAgent.java

@@ -0,0 +1,86 @@
+package jadelab1;
+
+import jade.core.*;
+import jade.core.behaviours.*;
+import jade.lang.acl.*;
+import jade.domain.*;
+import jade.domain.FIPAAgentManagement.*;
+import javax.swing.*;
+import java.awt.*;
+import java.awt.event.*;
+
+public class MyAgent extends Agent {
+	protected void setup () {
+		displayResponse("Hello, I am " + getAID().getLocalName());
+		addBehaviour(new MyCyclicBehaviour(this));
+		//doDelete();
+	}
+	protected void takeDown() {
+		displayResponse("See you");
+	}
+	public void displayResponse(String message) {
+		JOptionPane.showMessageDialog(null,message,"Message",JOptionPane.PLAIN_MESSAGE);
+	}
+	public void displayHtmlResponse(String html) {
+		JTextPane tp = new JTextPane();
+		JScrollPane js = new JScrollPane();
+		js.getViewport().add(tp);
+		JFrame jf = new JFrame();
+		jf.getContentPane().add(js);
+		jf.pack();
+		jf.setSize(400,500);
+		jf.setVisible(true);
+		tp.setContentType("text/html");
+		tp.setEditable(false);
+		tp.setText(html);
+	}
+}
+
+class MyCyclicBehaviour extends CyclicBehaviour {
+	MyAgent myAgent;
+	public MyCyclicBehaviour(MyAgent myAgent) {
+		this.myAgent = myAgent;
+	}
+	public void action() {
+		ACLMessage message = myAgent.receive();
+		if (message == null) {
+			block();
+		} else {
+			String ontology = message.getOntology();
+			String content = message.getContent();
+			int performative = message.getPerformative();
+			if (performative == ACLMessage.REQUEST)
+			{
+				//I cannot answer but I will search for someone who can
+				DFAgentDescription dfad = new DFAgentDescription();
+				ServiceDescription sd = new ServiceDescription();
+				sd.setName(ontology);
+				dfad.addServices(sd);
+				try
+				{
+					DFAgentDescription[] result = DFService.search(myAgent, dfad);
+					if (result.length == 0) myAgent.displayResponse("No service has been found ...");
+					else
+					{
+						String foundAgent = result[0].getName().getLocalName();
+						myAgent.displayResponse("Agent " + foundAgent + " is a service provider. Sending message to " + foundAgent);
+						ACLMessage forward = new ACLMessage(ACLMessage.REQUEST);
+						forward.addReceiver(new AID(foundAgent, AID.ISLOCALNAME));
+						forward.setContent(content);
+						forward.setOntology(ontology);
+						myAgent.send(forward);
+					}
+				}
+				catch (FIPAException ex)
+				{
+					ex.printStackTrace();
+					myAgent.displayResponse("Problem occured while searching for a service ...");
+				}
+			}
+			else
+			{	//when it is an answer
+				myAgent.displayHtmlResponse(content);
+			}
+		}
+	}
+}

src/ServiceAgent.java

@@ -0,0 +1,154 @@
+package jadelab1;
+
+import jade.core.*;
+import jade.core.behaviours.*;
+import jade.lang.acl.*;
+import jade.domain.*;
+import jade.domain.FIPAAgentManagement.*;
+import java.net.*;
+import java.io.*;
+
+public class ServiceAgent extends Agent {
+	protected void setup () {
+		//services registration at DF
+		DFAgentDescription dfad = new DFAgentDescription();
+		dfad.setName(getAID());
+		//service no 1
+		ServiceDescription sd1 = new ServiceDescription();
+		sd1.setType("answers");
+		sd1.setName("wordnet");
+		//service no 2
+		ServiceDescription sd2 = new ServiceDescription();
+		sd2.setType("answers");
+		sd2.setName("dictionary");
+		//add them all
+		dfad.addServices(sd1);
+		dfad.addServices(sd2);
+		try {
+			DFService.register(this,dfad);
+		} catch (FIPAException ex) {
+			ex.printStackTrace();
+		}
+		
+		addBehaviour(new WordnetCyclicBehaviour(this));
+		addBehaviour(new DictionaryCyclicBehaviour(this));
+		//doDelete();
+	}
+	protected void takeDown() {
+		//services deregistration before termination
+		try {
+			DFService.deregister(this);
+		} catch (FIPAException ex) {
+			ex.printStackTrace();
+		}
+	}
+	public String makeRequest(String serviceName, String word)
+	{
+		StringBuffer response = new StringBuffer();
+		try
+		{
+			URL url;
+			URLConnection urlConn;
+			DataOutputStream printout;
+			DataInputStream input;
+			url = new URL("http://dict.org/bin/Dict");
+			urlConn = url.openConnection();
+			urlConn.setDoInput(true);
+			urlConn.setDoOutput(true);
+			urlConn.setUseCaches(false);
+			urlConn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
+			String content = "Form=Dict1&Strategy=*&Database=" + URLEncoder.encode(serviceName) + "&Query=" + URLEncoder.encode(word) + "&submit=Submit+query";
+			//forth
+			printout = new DataOutputStream(urlConn.getOutputStream());
+			printout.writeBytes(content);
+			printout.flush();
+			printout.close();
+			//back
+			input = new DataInputStream(urlConn.getInputStream());
+			String str;
+			while (null != ((str = input.readLine())))
+			{
+				response.append(str);
+			}
+			input.close();
+		}
+		catch (Exception ex)
+		{
+			System.out.println(ex.getMessage());
+		}
+		//cut what is unnecessary
+		return response.substring(response.indexOf("<hr>")+4, response.lastIndexOf("<hr>"));
+	}
+}
+
+class WordnetCyclicBehaviour extends CyclicBehaviour
+{
+	ServiceAgent agent;
+	public WordnetCyclicBehaviour(ServiceAgent agent)
+	{
+		this.agent = agent;
+	}
+	public void action()
+	{
+		MessageTemplate template = MessageTemplate.MatchOntology("wordnet");
+		ACLMessage message = agent.receive(template);
+		if (message == null)
+		{
+			block();
+		}
+		else
+		{
+			//process the incoming message
+			String content = message.getContent();
+			ACLMessage reply = message.createReply();
+			reply.setPerformative(ACLMessage.INFORM);
+			String response = "";
+			try
+			{
+				response = agent.makeRequest("wn",content);
+			}
+			catch (NumberFormatException ex)
+			{
+				response = ex.getMessage();
+			}
+			reply.setContent(response);
+			agent.send(reply);
+		}
+	}
+}
+
+class DictionaryCyclicBehaviour extends CyclicBehaviour
+{
+	ServiceAgent agent;
+	public DictionaryCyclicBehaviour(ServiceAgent agent)
+	{
+		this.agent = agent;
+	}
+	public void action()
+	{
+		MessageTemplate template = MessageTemplate.MatchOntology("dictionary");
+		ACLMessage message = agent.receive(template);
+		if (message == null)
+		{
+			block();
+		}
+		else
+		{
+			//process the incoming message
+			String content = message.getContent();
+			ACLMessage reply = message.createReply();
+			reply.setPerformative(ACLMessage.INFORM);
+			String response = "";
+			try
+			{
+				response = agent.makeRequest("english", content);
+			}
+			catch (NumberFormatException ex)
+			{
+				response = ex.getMessage();
+			}
+			reply.setContent(response);
+			agent.send(reply);
+		}
+	}
+}