Package net.datacrow.console.windows

Source Code of net.datacrow.console.windows.OpenFromUrlDialog

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*                             <-< <  \\//  > >->                             *
*                               <-<-\ __ /->->                               *
*                               Data /  \ Crow                               *
*                                   ^    ^                                   *
*                              info@datacrow.net                             *
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*                       This file is part of Data Crow.                      *
*       Data Crow is free software; you can redistribute it and/or           *
*        modify it under the terms of the GNU General Public                 *
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*        Data Crow is distributed in the hope that it will be useful,        *
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package net.datacrow.console.windows;

import java.awt.FlowLayout;
import java.awt.GridBagConstraints;
import java.awt.Insets;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.net.URL;

import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JPanel;

import net.datacrow.console.ComponentFactory;
import net.datacrow.console.Layout;
import net.datacrow.console.components.DcUrlField;
import net.datacrow.core.http.HttpConnectionUtil;
import net.datacrow.core.resources.DcResources;
import net.datacrow.util.DcSwingUtilities;

import org.apache.log4j.Logger;

public class OpenFromUrlDialog extends DcDialog implements ActionListener {

    private static Logger logger = Logger.getLogger(OpenFromUrlDialog.class.getName());
   
    private DcUrlField input = ComponentFactory.getURLField(500);
   
    private URL url;
    private byte[] image;
   
    public OpenFromUrlDialog() {
        super(DcSwingUtilities.getRootFrame());
        setModal(true);
        build();
        setCenteredLocation();
    }
   
    public byte[] getImage() {
        return image;
    }
   
    public void setImage(byte[] image) {
        this.image = image;
    }
   
    @Override
    public void actionPerformed(ActionEvent ae) {
        try {
            if (ae.getActionCommand().equals("ok")) {
                url = input.getURL();               
               
                if (url != null) {
                    setImage(HttpConnectionUtil.retrieveBytes(url));
                    close();
                } else {
                    DcSwingUtilities.displayMessage("msgEnterUrl");
                }
            } else if (ae.getActionCommand().equals("cancel")) {
                close();
            }
        } catch (Exception e) {
            String message = DcResources.getText("msgCouldNotReadFromURL", new String[] {(String) input.getValue(), e.getMessage()});
            logger.warn(message, e);
            DcSwingUtilities.displayWarningMessage(message);
        }
    }

    @Override
    public void close() {
        super.close();
        input = null;
    }
   
    private void build() {
        getContentPane().setLayout(Layout.getGBL());
       
        JPanel panelInput = new JPanel();
        panelInput.setLayout(Layout.getGBL());
       
        JLabel label = ComponentFactory.getLabel(DcResources.getText("lblImageURL"));
        panelInput.add(label, Layout.getGBC( 0, 0, 1, 1, 0.0, 0.0
                ,GridBagConstraints.NORTHWEST, GridBagConstraints.NONE,
                 new Insets( 5, 5, 5, 5), 0, 0));
        panelInput.add(input, Layout.getGBC( 1, 0, 1, 1, 1.0, 1.0
                ,GridBagConstraints.NORTHEAST, GridBagConstraints.HORIZONTAL,
                 new Insets( 5, 5, 5, 5), 0, 0));
       
        JPanel panelAction = new JPanel();
        panelAction.setLayout(new FlowLayout(FlowLayout.RIGHT));
        JButton buttonOk = ComponentFactory.getButton(DcResources.getText("lblOK"));
        JButton buttonCancel = ComponentFactory.getButton(DcResources.getText("lblCancel"));
       
        buttonOk.setActionCommand("ok");
        buttonCancel.setActionCommand("cancel");

        buttonOk.addActionListener(this);
        buttonCancel.addActionListener(this);
       
        panelAction.add(buttonOk);
        panelAction.add(buttonCancel);
       
        getContentPane().add(panelInput, Layout.getGBC( 0, 0, 1, 1, 1.0, 1.0
                ,GridBagConstraints.NORTHWEST, GridBagConstraints.HORIZONTAL,
                new Insets( 5, 5, 5, 5), 0, 0));
        getContentPane().add(panelAction, Layout.getGBC( 0, 1, 1, 1, 0.0, 0.0
                ,GridBagConstraints.SOUTHEAST, GridBagConstraints.NONE,
                new Insets( 5, 5, 5, 5), 0, 0));
       
        pack();
    }
}

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