source: PerfectFit/Dialog/src/main/java/tudelft/mentalhealth/perfectfit/Dialog.java@ 7

package tudelft.mentalhealth.perfectfit;

import java.io.IOException;
import java.io.InputStream;

import javax.swing.JEditorPane;
import javax.swing.JOptionPane;

import com.fasterxml.jackson.core.JsonParseException;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.ObjectMapper;

import tudelft.dialogmanager.DialogState;
import tudelft.dialogmanager.answertypes.AnswerType;
import tudelft.dialogmanager.answertypes.InvalidAnswerException;
import tudelft.dialogmanager.answertypes.SelectFromListAnswer;
import tudelft.dialogmanager.stimuli.Stimulus;
import tudelft.dialogmanager.stimuli.Textual;
import tudelft.mentalhealth.perfectfit.updatefuncs.CheckDeadline;
import tudelft.mentalhealth.perfectfit.updatefuncs.DateString;
import tudelft.mentalhealth.perfectfit.updatefuncs.Example;
import tudelft.mentalhealth.perfectfit.updatefuncs.StringLength;
import tudelft.mentalhealth.perfectfit.updatefuncs.Time;
import tudelft.mentalhealth.perfectfit.updatefuncs.TimeDifference;

public class Dialog {
        private final static ObjectMapper jackson = new ObjectMapper();

        public Dialog()
                        throws JsonParseException, JsonMappingException, IOException {
                jackson.registerSubtypes(Example.class, Time.class, CheckDeadline.class,
                                TimeDifference.class, StringLength.class, DateString.class);

                // initialize from a demo dialog specification
                InputStream stream = getClass().getClassLoader()
                                .getResourceAsStream("dialog.json");
                DialogState state = jackson.readValue(stream, DialogState.class);

                // run the demo, using popup dialogs to show questions
                while (!state.isFinal()) {
                        System.out.println(state.getParameters().get("phase"));
                        state = state.withUpdate(true);
                        Stimulus stimulus = state.getCurrentPhase().getStimulation()
                                        .substitute(state.getParameters());
                        if (!(stimulus instanceof Textual)) {
                                throw new IllegalStateException(
                                                "The Demo App only supports Textual.");
                        }
                        String question = ((Textual) stimulus).getQuestion();
                        AnswerType answertype = state.getCurrentPhase().getAnswer();
                        if (answertype instanceof SelectFromListAnswer) {
                                // we just show the keys, values are for fancy dispyas but user
                                // has to type here.
                                question += ((SelectFromListAnswer) answertype).getOptions()
                                                .keySet();
                        }

                        // we are going to present the question as html so replace newlines
                        question = question.replaceAll("\n", "<br/>");
                        JEditorPane questionarea = new JEditorPane("text/html", question);
                        String answer = JOptionPane.showInputDialog(questionarea);
                        try {
                                state = state.with(answer);
                                state = state.withUpdate(false);
                        } catch (Exception e) {
                                e.printStackTrace();
                                JOptionPane.showMessageDialog(null,
                                                "That was not a valid answer! Please try again");
                        }

                }

        }

        public static void main(String[] args) throws JsonParseException,
                        JsonMappingException, IOException, InvalidAnswerException {
                new Dialog();
        }
}