package com.dabomstew.pkrandom.gui;
import java.awt.Desktop;
import java.io.BufferedOutputStream;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.URI;
import java.util.Scanner;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;
import javax.swing.JOptionPane;
import com.dabomstew.pkrandom.SysConstants;
import com.dabomstew.pkrandom.FileFunctions;
import com.dabomstew.pkrandom.Utils;
/**
*
* @author Stewart
*/
public class UpdateFoundDialog extends javax.swing.JDialog {
/**
*
*/
private static final long serialVersionUID = -1641494584047215623L;
private int targetVersion;
/**
* Creates new form UpdateFoundDialog
*/
public UpdateFoundDialog(RandomizerGUI parent, int newVersion, String changelog) {
super(parent, true);
initComponents();
targetVersion = newVersion;
Scanner sc = new Scanner(changelog);
String firstLine = htmlspecialchars(sc.nextLine());
sc.close();
updateFoundLabel.setText("<html>An update to the Randomizer has been found: <b>" + firstLine
+ ".</b><br />You can see the changes made since your last update below.");
while (changelog.trim().toLowerCase().startsWith("<html>")) {
changelog = changelog.trim().substring(6);
}
updateChangelogArea.setText(changelog);
updateChangelogArea.setCaretPosition(0);
this.setLocationRelativeTo(parent);
this.setVisible(true);
}
/* @formatter:off */
/**
* This method is called from within the constructor to initialize the form.
* WARNING: Do NOT modify this code. The content of this method is always
* regenerated by the Form Editor.
*/
// <editor-fold defaultstate="collapsed"
// desc="Generated Code">//GEN-BEGIN:initComponents
private void initComponents() {
updateFoundLabel = new javax.swing.JLabel();
clScroller = new javax.swing.JScrollPane();
updateChangelogArea = new javax.swing.JTextArea();
downloadUpdateBtn = new javax.swing.JButton();
closeBtn = new javax.swing.JButton();
setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);
updateFoundLabel
.setText("<html>An update to the Randomizer has been found: <b>x.x.x</b>, released <b>blah.</b><br /> You can see the changes made below.");
clScroller
.setHorizontalScrollBarPolicy(javax.swing.ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);
updateChangelogArea.setEditable(false);
updateChangelogArea.setColumns(40);
updateChangelogArea.setLineWrap(true);
updateChangelogArea.setRows(5);
updateChangelogArea.setWrapStyleWord(true);
updateChangelogArea.setEnabled(false);
clScroller.setViewportView(updateChangelogArea);
downloadUpdateBtn.setText("Download Update Now");
downloadUpdateBtn
.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
downloadUpdateBtnActionPerformed(evt);
}
});
closeBtn.setText("Close Without Updating");
closeBtn.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
closeBtnActionPerformed(evt);
}
});
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(
getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(layout
.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(
layout.createSequentialGroup()
.addContainerGap()
.addGroup(
layout.createParallelGroup(
javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(clScroller)
.addGroup(
layout.createSequentialGroup()
.addComponent(
updateFoundLabel,
javax.swing.GroupLayout.PREFERRED_SIZE,
javax.swing.GroupLayout.DEFAULT_SIZE,
javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(0,
161,
Short.MAX_VALUE))
.addGroup(
layout.createSequentialGroup()
.addComponent(
downloadUpdateBtn)
.addPreferredGap(
javax.swing.LayoutStyle.ComponentPlacement.RELATED,
javax.swing.GroupLayout.DEFAULT_SIZE,
Short.MAX_VALUE)
.addComponent(
closeBtn)))
.addContainerGap()));
layout.setVerticalGroup(layout
.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(
layout.createSequentialGroup()
.addContainerGap()
.addComponent(updateFoundLabel,
javax.swing.GroupLayout.PREFERRED_SIZE,
javax.swing.GroupLayout.DEFAULT_SIZE,
javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(
javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(clScroller,
javax.swing.GroupLayout.PREFERRED_SIZE,
209,
javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(
javax.swing.LayoutStyle.ComponentPlacement.RELATED,
javax.swing.GroupLayout.DEFAULT_SIZE,
Short.MAX_VALUE)
.addGroup(
layout.createParallelGroup(
javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(downloadUpdateBtn)
.addComponent(closeBtn))
.addContainerGap()));
pack();
}// </editor-fold>//GEN-END:initComponents
private void downloadUpdateBtnActionPerformed(java.awt.event.ActionEvent evt) {// GEN-FIRST:event_downloadUpdateBtnActionPerformed
// External: download delta file
String randomizerBinary;
try {
randomizerBinary = Utils.getExecutionLocation().getName();
} catch (UnsupportedEncodingException e) {
JOptionPane
.showMessageDialog(
this,
"Automatic update not available.\n"
+ "You will now be taken to the website to download it manually.");
attemptOpenBrowser();
return;
}
String deltaFile = "delta_"
+ SysConstants.UPDATE_VERSION
+ "_"
+ targetVersion
+ (randomizerBinary.toLowerCase().endsWith(".exe") ? "_win"
: "") + ".zip";
try {
byte[] zip = FileFunctions.downloadFile(SysConstants.AUTOUPDATE_URL
+ deltaFile);
extract(zip, new File(SysConstants.ROOT_PATH), randomizerBinary);
JOptionPane
.showMessageDialog(
this,
"Update complete - the randomizer will now close.\n"
+ "You should now re-open the program and begin using the new version.");
System.exit(0);
} catch (IOException ex) {
JOptionPane
.showMessageDialog(
this,
"Automatic update not available.\n"
+ "You will now be taken to the website to download it manually.");
attemptOpenBrowser();
}
}// GEN-LAST:event_downloadUpdateBtnActionPerformed
private void attemptOpenBrowser() {
String targetURL = SysConstants.WEBSITE_URL;
Desktop desktop = Desktop.isDesktopSupported() ? Desktop.getDesktop()
: null;
if (desktop == null || !desktop.isSupported(Desktop.Action.BROWSE)) {
JOptionPane
.showMessageDialog(
this,
"The downloads page could not be opened automatically.\n"
+ "Open a browser and navigate to the below link to download the update:\n"
+ targetURL);
} else {
try {
desktop.browse(new URI(targetURL));
} catch (Exception e) {
JOptionPane
.showMessageDialog(
this,
"The downloads page could not be opened automatically.\n"
+ "Open a browser and navigate to the below link to download the update:\n"
+ targetURL);
}
}
this.setVisible(false);
}
private void extractFile(ZipInputStream in, File outdir, String name)
throws IOException {
byte[] buffer = new byte[4096];
BufferedOutputStream out = new BufferedOutputStream(
new FileOutputStream(new File(outdir, name)));
int count = -1;
while ((count = in.read(buffer)) != -1)
out.write(buffer, 0, count);
out.close();
}
private void mkdirs(File outdir, String path) {
File d = new File(outdir, path);
if (!d.exists())
d.mkdirs();
}
private String dirpart(String name) {
int s = name.lastIndexOf(File.separatorChar);
return s == -1 ? null : name.substring(0, s);
}
private String htmlspecialchars(String original) {
return original.replace("&", "&").replace("<", "<")
.replace(">", ">");
}
public void extract(byte[] zipfile, File outdir, String randomizerBinary)
throws IOException {
ZipInputStream zin = new ZipInputStream(new ByteArrayInputStream(
zipfile));
ZipEntry entry;
String name, dir;
while ((entry = zin.getNextEntry()) != null) {
name = entry.getName();
if (entry.isDirectory()) {
mkdirs(outdir, name);
continue;
}
/*
* this part is necessary because file entry can come before
* directory entry where is file located i.e.: /foo/foo.txt /foo/
*/
dir = dirpart(name);
if (dir != null)
mkdirs(outdir, dir);
if (name.endsWith("randomizer.jar")
|| name.endsWith("randomizer.exe")) {
name = name.substring(0, name.length() - 14) + randomizerBinary;
}
extractFile(zin, outdir, name);
}
zin.close();
}
private void closeBtnActionPerformed(java.awt.event.ActionEvent evt) {// GEN-FIRST:event_closeBtnActionPerformed
this.setVisible(false);
}// GEN-LAST:event_closeBtnActionPerformed
// Variables declaration - do not modify//GEN-BEGIN:variables
private javax.swing.JScrollPane clScroller;
private javax.swing.JButton closeBtn;
private javax.swing.JButton downloadUpdateBtn;
private javax.swing.JTextArea updateChangelogArea;
private javax.swing.JLabel updateFoundLabel;
// End of variables declaration//GEN-END:variables
/* @formatter:on */
}
