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Code:



 



import org.apache.velocity.VelocityContext;

import org.apache.velocity.app.Velocity;



import javax.swing.*;

import javax.swing.text.html.HTMLEditorKit;

import java.awt.*;

import java.io.*;

import java.util.Properties;

import java.util.Collection;

import java.util.Iterator;



public class WeatherPanel {

    private JEditorPane htmlPane;



    public WeatherPanel() {

        htmlPane = createHtmlPanel();

    }



    public void displayWeather(String html, Collection weather){

        String result = html;

        try {

            VelocityContext context = createContext(weather);

            result = processString(context, html);

        } catch (Exception e){

            e.printStackTrace();

        }

        htmlPane.setText(result);

    }



    public void displayWeatherByFile(String fileName, Collection weather){

        displayWeather(readFile(fileName), weather);

    }



    private JEditorPane createHtmlPanel() {

        JEditorPane editorPane = new JEditorPane();

        HTMLEditorKit editorKit = new HTMLEditorKit();

        editorKit.install(editorPane);

        editorPane.setEditorKit(editorKit);

        editorPane.setEditable(false);

        return editorPane;

    }



    public Component getComponent() {

        return new JScrollPane(htmlPane);

    }



    private String readFile(String fileName) {

        StringBuffer htmlBuffer = new StringBuffer();



        try {

            InputStream inputStream = WeatherPanel.class.getResourceAsStream(fileName);

            BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));



            while (true){

                String line = reader.readLine();

                if (line != null){

                    htmlBuffer.append(line);

                } else {

                    break;

                }

            }

        } catch (IOException iox){

            iox.printStackTrace();

        }

        return htmlBuffer.toString();

    }



    private String processString(VelocityContext context, String htmlText) throws Exception {

        StringWriter writer = new StringWriter();

        Properties properties = new Properties();

        Velocity.init(properties);

        Velocity.evaluate(context,

                writer,

                null,

                htmlText);

        return writer.getBuffer().toString();

    }



    private VelocityContext createContext(Collection weatherCollection) {

        VelocityContext context = new VelocityContext();

        int index = 1;



        for (Iterator iterator = weatherCollection.iterator(); iterator.hasNext();) {

            Weather weather = (Weather) iterator.next();

            String day = "DAY" + index;

            context.put(day, weather.getDay());

            context.put(day + "_TEMP", weather.getTemperature());

            context.put(day + "_HUMIDITY", weather.getHumidity());

            context.put(day + "_PRESSURE", weather.getPressure());

            index++;

        }



        return context;

    }



}



/*   Swing Hacks

 *   Tips and Tools for Killer GUIs

 * By Joshua Marinacci, Chris Adamson

 *   First Edition June 2005

 *   Series: Hacks

 *   ISBN: 0-596-00907-0

 *   http://www.oreilly.com/catalog/swinghks/

 */

Code:





import com.jonathansimon.swing.hacks.velocityhtml.WeatherPanel;



import javax.swing.*;

import java.awt.*;

import java.math.BigDecimal;

import java.util.ArrayList;



/**

 * Created by IntelliJ IDEA.

 * User: Jonathan Simon

 * Date: Mar 3, 2005

 * Time: 3:41:10 PM

 * To change this template use File | Settings | File Templates.

 */

public class WeatherPanelSimulator {



    public WeatherPanelSimulator() {

        JFrame frame = new JFrame("Weather Panel Simulator");

        frame.setBounds(200,200, 500, 350);



        Weather weather1 = new Weather(new BigDecimal("82"), new BigDecimal("40.0"), new BigDecimal(1), "Monday");

        Weather weather2 = new Weather(new BigDecimal("75"), new BigDecimal("65.0"), new BigDecimal(1), "Tuesday");

        Weather weather3 = new Weather(new BigDecimal("85"), new BigDecimal("43.0"), new BigDecimal(1), "Wednessday");



        ArrayList list = new ArrayList();

        list.add(weather1);

        list.add(weather2);

        list.add(weather3);





        WeatherPanel weatherPanel = new WeatherPanel();

        weatherPanel.displayWeatherByFile("html/today.html", list);



        frame.getContentPane().setLayout(new BorderLayout());

        frame.getContentPane().add(weatherPanel.getComponent(), BorderLayout.CENTER);



        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        frame.show();



    }





    public static void main(String[] args) {

        new WeatherPanelSimulator();

    }



}



/*   Swing Hacks

 *   Tips and Tools for Killer GUIs

 * By Joshua Marinacci, Chris Adamson

 *   First Edition June 2005

 *   Series: Hacks

 *   ISBN: 0-596-00907-0

 *   http://www.oreilly.com/catalog/swinghks/

 */

Code:





import org.apache.velocity.VelocityContext;

import org.apache.velocity.app.Velocity;



import javax.swing.*;

import javax.swing.text.html.HTMLEditorKit;

import java.awt.*;

import java.io.*;

import java.util.Properties;

import java.math.BigDecimal;



public class VelocityHtmlPanel {

    private JEditorPane htmlPane;



    public VelocityHtmlPanel() {

        htmlPane = createHtmlPanel();



        String htmlText = readFile("html/today.html");

        String htmlTextPostTemplate = runTemplateAgainstHtml(htmlText);



        htmlPane.setText(htmlTextPostTemplate);





    }



    private JEditorPane createHtmlPanel() {

        JEditorPane editorPane = new JEditorPane();

        HTMLEditorKit editorKit = new HTMLEditorKit();

        editorKit.install(editorPane);

        editorPane.setEditorKit(editorKit);

        editorPane.setEditable(false);

        return editorPane;

    }



    private String runTemplateAgainstHtml(String htmlText) {

        String result = htmlText;

        try {



            Weather weather = new Weather(new BigDecimal("86.9"), new BigDecimal("68"), new BigDecimal("5"));

            VelocityContext context = createContext(weather);

            result = processString(context, htmlText);

        } catch (Exception e){

            e.printStackTrace();

        }



        return result;

    }



    public Component getComponent() {

        return new JScrollPane(htmlPane);

    }



    private String readFile(String fileName) {

        StringBuffer htmlBuffer = new StringBuffer();



        try {

            InputStream inputStream = VelocityHtmlPanel.class.getResourceAsStream(fileName);

            BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));



            while (true){

                String line = reader.readLine();

                if (line != null){

                    htmlBuffer.append(line);

                } else {

                    break;

                }

            }

        } catch (IOException iox){

            iox.printStackTrace();

        }

        return htmlBuffer.toString();

    }



    private String processString(VelocityContext context, String htmlText) throws Exception {

        StringWriter writer = new StringWriter();

        Properties properties = new Properties();

        properties.setProperty("runtime.log.logsystem.class", "org.apache.velocity.runtime.log.NullLogSystem");

        Velocity.init(properties);

        Velocity.evaluate(context,

                writer,

                "LOG", // used for logging

                htmlText);

        return writer.getBuffer().toString();

    }



    private VelocityContext createContext(Weather weather) {

        VelocityContext context = new VelocityContext();

        context.put("TEMP", weather.getTemperature() + " F");

        context.put("HUMIDITY", weather.getHumidity() + " %");

        context.put("PRESSURE", "10" + " bars");

        return context;

    }



}



/*   Swing Hacks

 *   Tips and Tools for Killer GUIs

 * By Joshua Marinacci, Chris Adamson

 *   First Edition June 2005

 *   Series: Hacks

 *   ISBN: 0-596-00907-0

 *   http://www.oreilly.com/catalog/swinghks/

 */

Code:



<html>

    <head>

        <title>Flying Saucer</title>

    </head>

    <body>

        <div class="section">

            

  <div class="top"> 

    <div>

      <h2> Big Jon's Weather Fiasco</h2>

      <table width="50%" border="1">

        <tr>

          <td width="33%">Temperature</td>

          <td width="33%">Humidity </td>

          <td width="33%">Pressure</td>

        </tr>

        <tr>

          <td rowspan="2"><p>${TEMP}</p>

            </td>

          <td>${HUMIDITY}</td>

          <td><p> </p>

            <p>${PRESSURE}</p>

            <p> </p></td>

        </tr>

      </table>

      <p> </p>

    </div>

  </div>

  <div class="content">

<p></p> </div>

        </div>

    </body>

</html>

Code:







import com.jonathansimon.swing.hacks.velocityhtml.VelocityHtmlPanel;



import javax.swing.*;

import java.awt.*;



/**

 * Created by IntelliJ IDEA.

 * User: Jonathan Simon

 * Date: Mar 3, 2005

 * Time: 3:41:10 PM

 * To change this template use File | Settings | File Templates.

 */

public class VelocityHtmlPanelSimulator {



    public VelocityHtmlPanelSimulator() {

        JFrame frame = new JFrame("Velocity HTML Panel Simulator");

        frame.setBounds(200,200, 500, 350);



        VelocityHtmlPanel velocityHtmlPanel = new VelocityHtmlPanel();



        frame.getContentPane().setLayout(new BorderLayout());

        frame.getContentPane().add(velocityHtmlPanel.getComponent(), BorderLayout.CENTER);



        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        frame.show();



    }





    public static void main(String[] args) {

        new VelocityHtmlPanelSimulator();

    }



}



/*   Swing Hacks

 *   Tips and Tools for Killer GUIs

 * By Joshua Marinacci, Chris Adamson

 *   First Edition June 2005

 *   Series: Hacks

 *   ISBN: 0-596-00907-0

 *   http://www.oreilly.com/catalog/swinghks/

 */