/** * * Thu Mar 27 12:46:48 2003/hakank@bonetmail.com * * TODO: * - get more information about the resulting structure! * * * */ // for java & applets import java.io.*; import java.util.*; import java.text.*; import java.applet.Applet; import java.awt.*; import java.awt.event.*; import java.net.*; // for weka import weka.core.*; import weka.classifiers.*; import weka.classifiers.trees.*; import weka.classifiers.trees.j48.*; import weka.classifiers.bayes.*; public class WekaApplet1 extends Applet implements ActionListener, ItemListener { private String algorithm = "weka.classifiers.bayes.NaiveBayes"; private String URLString; private java.util.List resultList; Button generateButton; Button resetButton; TextField URLTextField; Label generateLabel; Label resetLabel; Label URLLabel; Label messageLabel; Label algorithmLabel; Label URLChoiceLabel; Choice algorithmChoice; Choice URLChoice; TextArea resultTextArea; Panel inputPanel; Panel inputChoicePanel; Panel allInputPanel; public static void main(String args[]) { } public void init() { // buttons generateButton = new Button("Generate"); resetButton = new Button("Reset"); // listeners generateButton.addActionListener(this); resetButton.addActionListener(this); URLLabel = new Label("Data set (URL): "); messageLabel = new Label(""); algorithmLabel = new Label("Select algorithm: "); URLChoiceLabel = new Label("Select data set: "); URLTextField = new TextField("",30); URLChoice = new Choice(); URLChoice.add("http://www.hakank.org/weka/zoo2.arff"); URLChoice.add("http://www.hakank.org/weka/golf.arff"); URLChoice.add("http://www.hakank.org/weka/sunburn.arff"); URLChoice.add("http://www.hakank.org/weka/ticdata_categ.arff"); URLChoice.add("http://www.hakank.org/weka/wine.arff"); URLChoice.add("http://www.hakank.org/weka/iris.arff"); URLChoice.add("http://www.hakank.org/weka/iris_discretized.arff"); URLChoice.add("http://www.hakank.org/weka/shape.arff"); URLChoice.add("http://www.hakank.org/weka/titanic.arff"); URLChoice.add("http://www.hakank.org/weka/disease.arff"); URLChoice.add("http://www.hakank.org/weka/zoo.arff"); URLChoice.add("http://www.hakank.org/weka/monk3.arff"); URLChoice.add("http://www.hakank.org/weka/monk2.arff"); URLChoice.add("http://www.hakank.org/weka/monk1.arff"); URLChoice.add("http://www.hakank.org/weka/credit.arff"); URLChoice.add("http://www.hakank.org/weka/contact-lenses.arff"); URLChoice.add("http://www.hakank.org/weka/labor.arff"); URLChoice.add("http://www.hakank.org/weka/labor_discretized.arff"); URLChoice.add("http://www.hakank.org/weka/weather.arff"); URLChoice.add("http://www.hakank.org/weka/weather.nominal.arff"); URLChoice.add("http://www.hakank.org/weka/BC.arff"); URLChoice.add("http://www.hakank.org/weka/G2.arff"); URLChoice.add("http://www.hakank.org/weka/GL.arff"); URLChoice.add("http://www.hakank.org/weka/HD.arff"); URLChoice.add("http://www.hakank.org/weka/HE.arff"); URLChoice.add("http://www.hakank.org/weka/HO.arff"); URLChoice.add("http://www.hakank.org/weka/IR.arff"); URLChoice.add("http://www.hakank.org/weka/LA.arff"); URLChoice.add("http://www.hakank.org/weka/LY.arff"); URLChoice.add("http://www.hakank.org/weka/SO.arff"); URLChoice.add("http://www.hakank.org/weka/V1.arff"); URLChoice.add("http://www.hakank.org/weka/VO.arff"); URLChoice.add("http://www.hakank.org/weka/auto93.arff"); URLChoice.add("http://www.hakank.org/weka/badges_plain.arff"); URLChoice.add("http://www.hakank.org/weka/badges2.arff"); URLChoice.addItemListener(this); algorithmChoice = new Choice(); algorithmChoice.addItem("weka.classifiers.bayes.NaiveBayes"); algorithmChoice.addItem("weka.classifiers.trees.J48"); algorithmChoice.addItem("weka.classifiers.rules.OneR"); algorithmChoice.addItem("weka.classifiers.rules.Ridor"); algorithmChoice.addItem("weka.classifiers.bayes.BayesNet"); algorithmChoice.addItem("weka.classifiers.bayes.NaiveBayesSimple"); algorithmChoice.addItem("weka.classifiers.bayes.NaiveBayesUpdateable"); algorithmChoice.addItem("weka.classifiers.functions.MultilayerPerceptron"); algorithmChoice.addItem("weka.classifiers.rules.ZeroR"); algorithmChoice.addItem("weka.classifiers.functions.SMO"); algorithmChoice.addItem("weka.classifiers.functions.VotedPerceptron"); algorithmChoice.addItem("weka.classifiers.functions.LeastMedSq"); algorithmChoice.addItem("weka.classifiers.functions.LinearRegression"); algorithmChoice.addItem("weka.classifiers.functions.Logistic"); algorithmChoice.addItem("weka.classifiers.functions.UnivariateLinearRegression"); algorithmChoice.addItem("weka.classifiers.functions.Winnow"); algorithmChoice.addItem("weka.classifiers.functions.PaceRegression"); algorithmChoice.addItem("weka.classifiers.lazy.KStar"); algorithmChoice.addItem("weka.classifiers.lazy.IB1"); algorithmChoice.addItem("weka.classifiers.lazy.IBk"); algorithmChoice.addItem("weka.classifiers.lazy.LBR"); algorithmChoice.addItem("weka.classifiers.lazy.LWL"); algorithmChoice.addItem("weka.classifiers.misc.HyperPipes"); algorithmChoice.addItem("weka.classifiers.misc.VFI"); algorithmChoice.addItem("weka.classifiers.rules.PART"); algorithmChoice.addItem("weka.classifiers.trees.ADTree"); algorithmChoice.addItem("weka.classifiers.trees.M5P"); algorithmChoice.addItem("weka.classifiers.trees.REPTree"); algorithmChoice.addItem("weka.classifiers.rules.ConjunctiveRule"); algorithmChoice.addItem("weka.classifiers.rules.DecisionTable"); algorithmChoice.addItem("weka.classifiers.rules.JRip"); algorithmChoice.addItem("weka.classifiers.rules.M5Rules"); algorithmChoice.addItem("weka.classifiers.rules.Prism"); algorithmChoice.addItemListener(this); resultTextArea = new TextArea(10,20); inputPanel = new Panel(); inputPanel.setLayout(new FlowLayout()); inputPanel.add(generateButton); inputPanel.add(resetButton); inputPanel.add(URLLabel); inputPanel.add(URLTextField); allInputPanel = new Panel(new BorderLayout()); allInputPanel.add("North", inputPanel); allInputPanel.add("West", URLChoiceLabel); allInputPanel.add("Center", URLChoice); inputChoicePanel = new Panel(); inputChoicePanel.setLayout(new BorderLayout()); inputChoicePanel.add("North", allInputPanel); inputChoicePanel.add("West", algorithmLabel); inputChoicePanel.add("Center", algorithmChoice); setLayout(new BorderLayout()); add("North", inputChoicePanel); add("Center", resultTextArea); add("South", messageLabel); validate(); } public void actionPerformed(ActionEvent e) { String command = e.getActionCommand(); if ("Generate".equals(command)) { generate(); } else if ("Reset".equals(command)) { reset(); } } // end actionPerformed /** * generate the sequence * */ public void generate() { messageLabel.setText(""); URLString = URLTextField.getText().trim(); resultTextArea.setText(""); if ("".equals(URLString)) { URLString = "http://www.hakank.org/weka/zoo2.arff"; resultTextArea.setText("Using the default ARFF file!"); } resultList = new ArrayList(); // do something here! BufferedReader reader = null; int available = 0; messageLabel.setText("Trying to read URL..."); // OK, this is how to read a URL as a BufferedReader Weka1 weka; try { reader = readURL(URLString); // matchedWords = readerToVector(reader); weka = new Weka1(reader); messageLabel.setText("Have read URL. Now generating result. It can take some time...."); resultList = weka.weka(algorithm, URLString); messageLabel.setText("OK!"); } catch(Exception e) { ; // System.out.println("Exception: " + e); } StringBuffer result = new StringBuffer(); for (int i = 0; i < resultList.size(); i++) { result.append(resultList.get(i) + "\n"); } resultTextArea.setText(result.toString()); } // end generate /** * resets the fields * */ public void reset() { resultTextArea.setText(""); messageLabel.setText(""); } // end reset // // itemStateChanged // public void itemStateChanged(ItemEvent e) { if (e.getSource() == algorithmChoice) { algorithm = algorithmChoice.getSelectedItem(); } if (e.getSource() == URLChoice) { URLString = URLChoice.getSelectedItem(); URLTextField.setText(URLString); } } // wrapper for reading an URL public BufferedReader readURL(String urlString) { BufferedReader reader = null; try { URL url = new URL(urlString); reader = new BufferedReader ( new InputStreamReader( (InputStream) url.getContent() ) ); } catch (Exception e) { ; } return reader; } // readURL // from BufferedReader to Vector() public java.util.List readerToVector(BufferedReader reader) { String s; java.util.List v = new ArrayList(); try { while ( (s = reader.readLine()) != null) { v.add(s); } } catch (Exception e) { // hmmm .... } return v; } } // Local variables: // compile-command: "javac WekaApplet1.java && java WekaApplet1" // End: