source: release-kits/shared/ant-installer/src/org/tp23/antinstaller/renderer/swing/SplashPageRenderer.java@ 17581

/* 
 * Copyright 2005 Paul Hinds
 *
 * Licensed 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.tp23.antinstaller.renderer.swing;

import java.awt.BorderLayout;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;

import javax.swing.ImageIcon;
import javax.swing.JLabel;

import org.tp23.antinstaller.ValidationException;
import org.tp23.antinstaller.page.SplashPage;
import org.tp23.antinstaller.runtime.ConfigurationException;
/**
 * A page containing only a single image. 
 * 
 * @author teknopaul
 */
public class SplashPageRenderer extends SwingPageRenderer{

    private JLabel imagePanel = new JLabel();

    public SplashPageRenderer() {
    }
    public boolean validateFields()throws ValidationException{
        return true;
    }

    public void reInstanceInit() {}
    
    public void instanceInit() throws Exception {
        String resource = ((SplashPage)page).getSplashResource();
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        InputStream in = this.getClass().getResourceAsStream(resource);
        if(in == null) {
            throw new ConfigurationException("Splash page resource is missing: " + resource);
        }
        byte[] buffer = new byte[2048];
        int read = -1;
        while ( (read = in.read(buffer)) != -1) {
            baos.write(buffer, 0, read);
        }
        ImageIcon icon = new ImageIcon(baos.toByteArray());
        imagePanel.setHorizontalAlignment(JLabel.CENTER);
        imagePanel.setIcon(icon);
        this.add(imagePanel, BorderLayout.CENTER);
    }

    public void updateInputFields(){
        ;
    }

    /**
     * updateDefaultValues
     */
    public void updateDefaultValues() {
    }
    
}