Ant example source code file (SplashScreen.java)

This example Ant source code file (SplashScreen.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Ant tags/keywords

awt, borderlayout, dimension, event, gui, jlabel, jlabel, jpanel, jpanel, jprogressbar, jwindow, max, max, min, sans-serif, splashscreen, splashscreen, swing

The SplashScreen.java source code

/*
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You under the Apache License, Version 2.0
 *  (the "License"); you may not use this file except in compliance with
 *  the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 */

package org.apache.tools.ant.taskdefs.optional.splash;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.BorderFactory;
import javax.swing.ImageIcon;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JProgressBar;
import javax.swing.JWindow;
import org.apache.tools.ant.BuildEvent;
import org.apache.tools.ant.BuildListener;

class SplashScreen extends JWindow implements ActionListener, BuildListener {

    private JLabel text;
    private JProgressBar pb;
    private int total;
    private static final int MIN = 0;
    private static final int MAX = 200;

    public SplashScreen(String msg) {
        init(null);
        setText(msg);
    }

    public SplashScreen(ImageIcon img) {
        init(img);
    }

    protected void init(ImageIcon img) {

        JPanel pan = (JPanel) getContentPane();
        JLabel piccy;
        if (img == null) {
            piccy = new JLabel();
        } else {
            piccy = new JLabel(img);
        }

        piccy.setBorder(BorderFactory.createLineBorder(Color.black, 1));
        text = new JLabel("Building....", JLabel.CENTER);
        text.setFont(new Font("Sans-Serif", Font.BOLD, 12));
        text.setBorder(BorderFactory.createEtchedBorder());

        pb = new JProgressBar(MIN, MAX);
        pb.setBorder(BorderFactory.createBevelBorder(javax.swing.border.BevelBorder.LOWERED));
        JPanel pan2 = new JPanel();
        pan2.setLayout(new BorderLayout());

        pan2.add(text, BorderLayout.NORTH);
        pan2.add(pb, BorderLayout.SOUTH);

        pan.setLayout(new BorderLayout());
        pan.add(piccy, BorderLayout.CENTER);
        pan.add(pan2, BorderLayout.SOUTH);

        pan.setBorder(BorderFactory.createBevelBorder(javax.swing.border.BevelBorder.RAISED));

        pack();

        Dimension size = getSize();
        Dimension scr = Toolkit.getDefaultToolkit().getScreenSize();
        int x = (scr.width - size.width) / 2;
        int y = (scr.height - size.height) / 2;
        setBounds(x, y, size.width, size.height);
    }

    public void setText(String txt) {
        text.setText(txt);
    }

    public void actionPerformed(ActionEvent a) {
        if (total < MAX) {
            total++;
        } else {
            total = MIN;
        }
        pb.setValue(total);
    }

    public void buildStarted(BuildEvent event) {
        actionPerformed(null);
    }

    public void buildFinished(BuildEvent event) {
        pb.setValue(MAX);
        setVisible(false);
        dispose();
    }
    public void targetStarted(BuildEvent event) {
        actionPerformed(null);
    }

    public void targetFinished(BuildEvent event) {
        actionPerformed(null);
    }

    public void taskStarted(BuildEvent event) {
        actionPerformed(null);
    }

    public void taskFinished(BuildEvent event) {
        actionPerformed(null);
    }

    public void messageLogged(BuildEvent event) {
        actionPerformed(null);
    }
}