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/* Glazed Lists (c) 2003-2006 */
/* http://publicobject.com/glazedlists/ publicobject.com,*/
/* O'Dell Engineering Ltd.*/
package ca.odell.glazedlists.impl;
import javax.swing.*;
import java.awt.*;
import java.io.IOException;
import java.net.URL;
import java.util.Map;
import java.util.jar.Attributes;
import java.util.jar.Manifest;
/**
* Show version information for the current .jar file.
*
* <p>This requires a some special attributes in the manifest to work:
* <li><code>Built-By</code>, the person who made this build
* <li><code>Built-At</code>, the time this build was created
* <li><code>Contributors</code>, a comma-separated list of developers
*
* <p>Plus some standard manifest attributes are used:
* <li><code>Implementation-Title</code>
* <li><code>Implementation-URL</code>
* <li><code>Implementation-Version</code>
*
* @author <a href="mailto:jesse@swank.ca">Jesse Wilson</a>
*/
public class Main {
public static void main(String[] args) {
final String PATH_TO_THIS_CLASS = "/ca/odell/glazedlists/impl/Main.class";
// find the main attributes from the manifest
final Map attributes;
try {
// get a path to the manifest, or die trying
String pathToThisClass = Main.class.getResource(PATH_TO_THIS_CLASS).toString();
int jarDelimiterCharacter = pathToThisClass.lastIndexOf("!");
if(jarDelimiterCharacter == -1) return;
String manifestPath = pathToThisClass.substring(0, jarDelimiterCharacter + 1) + "/META-INF/MANIFEST.MF";
URL manifestUrl = new URL(manifestPath);
// load the manifest and save the attributes of interest
Manifest manifest = new Manifest(manifestUrl.openStream());
attributes = manifest.getMainAttributes();
} catch(IOException e) {
return;
}
// the title
String title = (String)attributes.get(Attributes.Name.IMPLEMENTATION_TITLE);
String titleHtml = "<font size=\"6\">" + title + "</font>";
// the url
String urlHtml = (String)attributes.get(Attributes.Name.IMPLEMENTATION_URL);
// the version
String versionHtml = (String)attributes.get(Attributes.Name.IMPLEMENTATION_VERSION);
// when it was built
StringBuffer builtHtml = new StringBuffer();
builtHtml.append(attributes.get(new Attributes.Name("Built-By")));
builtHtml.append("<br>");
builtHtml.append(attributes.get(new Attributes.Name("Built-At")));
builtHtml.append("<br>");
builtHtml.append("Source: ").append(attributes.get(new Attributes.Name("Source-Version")));
// the contributors
String contributorsHtml = (String)attributes.get(new Attributes.Name("Contributors"));
contributorsHtml = contributorsHtml.replaceAll(",\\s*", "<br>");
// lay it all out on a panel
JFrame frame = new JFrame(title);
frame.getContentPane().setLayout(new GridBagLayout());
frame.getContentPane().add(new JLabel("<html><font color=\"#000000\">" + titleHtml + "</font></html>"), new GridBagConstraints(0, 0, 2, 1, 1.0, 0.0, GridBagConstraints.CENTER, GridBagConstraints.NONE, new Insets(10, 10, 10, 10), 0, 0));
frame.getContentPane().add(new JLabel("<html><font color=\"#000000\">" + urlHtml + "</font></html>"), new GridBagConstraints(0, 1, 2, 1, 1.0, 0.0, GridBagConstraints.CENTER, GridBagConstraints.NONE, new Insets( 0, 10, 10, 10), 0, 0));
frame.getContentPane().add(new JLabel("<html><font color=\"#999999\">Version:</font>"), new GridBagConstraints(0, 2, 1, 1, 0.5, 0.0, GridBagConstraints.NORTHEAST, GridBagConstraints.NONE, new Insets(10, 10, 10, 10), 0, 0));
frame.getContentPane().add(new JLabel("<html><font color=\"#000000\">" + versionHtml + "</font></html>"), new GridBagConstraints(1, 2, 1, 1, 0.5, 0.0, GridBagConstraints.NORTHWEST, GridBagConstraints.NONE, new Insets(10, 10, 10, 10), 0, 0));
frame.getContentPane().add(new JLabel("<html><font color=\"#999999\">Built:</font>"), new GridBagConstraints(0, 3, 1, 1, 0.5, 0.0, GridBagConstraints.NORTHEAST, GridBagConstraints.NONE, new Insets(10, 10, 10, 10), 0, 0));
frame.getContentPane().add(new JLabel("<html><font color=\"#000000\">" + builtHtml + "</font></html>"), new GridBagConstraints(1, 3, 1, 1, 0.5, 0.0, GridBagConstraints.NORTHWEST, GridBagConstraints.NONE, new Insets(10, 10, 10, 10), 0, 0));
frame.getContentPane().add(new JLabel("<html><font color=\"#999999\">Contributors:</font>"), new GridBagConstraints(0, 4, 1, 1, 0.5, 0.0, GridBagConstraints.NORTHEAST, GridBagConstraints.NONE, new Insets(10, 10, 10, 10), 0, 0));
frame.getContentPane().add(new JLabel("<html><font color=\"#000000\">" + contributorsHtml + "</font></html>"), new GridBagConstraints(1, 4, 1, 1, 0.5, 0.0, GridBagConstraints.NORTHWEST, GridBagConstraints.NONE, new Insets(10, 10, 10, 10), 0, 0));
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.pack();
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}
}
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