+ Attempt to add an auto updater. Not sure if it works...
This commit is contained in:
Steffion
@@ -122,6 +122,16 @@ public class BlockHunt extends JavaPlugin implements Listener {
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true);
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}
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if ((Boolean) W.config.get(ConfigC.autoUpdateCheck)) {
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if ((Boolean) W.config.get(ConfigC.autoDownloadUpdate)) {
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new Updater(this, W.pluginName,
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this.getFile(), Updater.UpdateType.DEFAULT, true);
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} else {
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new Updater(this, W.pluginName, this.getFile(),
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Updater.UpdateType.NO_DOWNLOAD, true);
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}
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}
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MessageM.sendFMessage(null, ConfigC.log_Enabled, true, "name-"
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+ W.pluginName, "version-" + W.pluginVersion, "autors-"
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+ W.pluginAutors);
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@@ -26,6 +26,9 @@ public enum ConfigC {
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commandEnabled_setwarp (true, W.config),
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commandEnabled_remove (true, W.config),
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autoUpdateCheck (true, W.config),
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autoDownloadUpdate (false, W.config),
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wandID (280, W.config),
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wandName ("%A&l" + W.pluginName + "%N's selection wand", W.config),
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wandDescription (new String[] {
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650
src/nl/Steffion/BlockHunt/Updater.java
Normal file
650
src/nl/Steffion/BlockHunt/Updater.java
Normal file
@@ -0,0 +1,650 @@
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/*
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* Updater for Bukkit.
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*
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* This class provides the means to safetly and easily update a plugin, or check to see if it is updated using dev.bukkit.org
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*/
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package nl.Steffion.BlockHunt;
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import java.io.BufferedInputStream;
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import java.io.BufferedOutputStream;
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import java.io.BufferedReader;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.net.MalformedURLException;
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import java.net.URL;
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import java.net.URLConnection;
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import java.util.Enumeration;
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import java.util.zip.ZipEntry;
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import java.util.zip.ZipFile;
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import javax.xml.stream.XMLEventReader;
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import javax.xml.stream.XMLInputFactory;
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import javax.xml.stream.XMLStreamException;
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import javax.xml.stream.events.XMLEvent;
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import nl.Steffion.BlockHunt.Managers.MessageM;
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import org.bukkit.configuration.file.YamlConfiguration;
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import org.bukkit.plugin.Plugin;
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/**
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* Check dev.bukkit.org to find updates for a given plugin, and download the
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* updates if needed.
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* <p>
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* <b>VERY, VERY IMPORTANT</b>: Because there are no standards for adding
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* auto-update toggles in your plugin's config, this system provides NO CHECK
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* WITH YOUR CONFIG to make sure the user has allowed auto-updating. <br>
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* It is a <b>BUKKIT POLICY</b> that you include a boolean value in your config
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* that prevents the auto-updater from running <b>AT ALL</b>. <br>
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* If you fail to include this option in your config, your plugin will be
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* <b>REJECTED</b> when you attempt to submit it to dev.bukkit.org.
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* <p>
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* An example of a good configuration option would be something similar to
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* 'auto-update: true' - if this value is set to false you may NOT run the
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* auto-updater. <br>
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* If you are unsure about these rules, please read the plugin submission
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* guidelines: http://goo.gl/8iU5l
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*
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* @author H31IX
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*/
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public class Updater {
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private Plugin plugin;
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private UpdateType type;
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private String versionTitle;
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private String versionLink;
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private long totalSize; // Holds the total size of the file
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// private double downloadedSize; TODO: Holds the number of bytes downloaded
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private int sizeLine; // Used for detecting file size
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private int multiplier; // Used for determining when to broadcast download
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// updates
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private boolean announce; // Whether to announce file downloads
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private URL url; // Connecting to RSS
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private File file; // The plugin's file
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private Thread thread; // Updater thread
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private static final String DBOUrl = "http://dev.bukkit.org/bukkit-plugins/"; // Slugs
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// will
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// be
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// appended
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// to
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// this
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// to
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// get
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// to
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// the
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// project's
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// RSS
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// feed
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private String[] noUpdateTag = { "-DEV", "-PRE", "-SNAPSHOT" }; // If the
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// version
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// number
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// contains
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// one of
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// these,
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// don't
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// update.
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private static final int BYTE_SIZE = 1024; // Used for downloading files
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private String updateFolder = YamlConfiguration.loadConfiguration(
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new File("bukkit.yml")).getString("settings.update-folder"); // The
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// folder
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// that
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// downloads
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// will
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// be
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// placed
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// in
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private Updater.UpdateResult result = Updater.UpdateResult.SUCCESS; // Used
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// for
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// determining
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// the
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// outcome
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// of
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// the
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// update
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// process
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// Strings for reading RSS
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private static final String TITLE = "title";
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private static final String LINK = "link";
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private static final String ITEM = "item";
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/**
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* Gives the dev the result of the update process. Can be obtained by called
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* getResult().
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*/
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public enum UpdateResult {
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/**
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* The updater found an update, and has readied it to be loaded the next
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* time the server restarts/reloads.
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*/
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SUCCESS,
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/**
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* The updater did not find an update, and nothing was downloaded.
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*/
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NO_UPDATE,
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/**
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* The updater found an update, but was unable to download it.
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*/
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FAIL_DOWNLOAD,
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/**
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* For some reason, the updater was unable to contact dev.bukkit.org to
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* download the file.
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*/
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FAIL_DBO,
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/**
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* When running the version check, the file on DBO did not contain the a
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* version in the format 'vVersion' such as 'v1.0'.
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*/
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FAIL_NOVERSION,
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/**
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* The slug provided by the plugin running the updater was invalid and
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* doesn't exist on DBO.
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*/
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FAIL_BADSLUG,
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/**
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* The updater found an update, but because of the UpdateType being set
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* to NO_DOWNLOAD, it wasn't downloaded.
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*/
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UPDATE_AVAILABLE
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}
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/**
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* Allows the dev to specify the type of update that will be run.
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*/
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public enum UpdateType {
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/**
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* Run a version check, and then if the file is out of date, download
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* the newest version.
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*/
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DEFAULT,
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/**
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* Don't run a version check, just find the latest update and download
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* it.
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*/
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NO_VERSION_CHECK,
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/**
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* Get information about the version and the download size, but don't
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* actually download anything.
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*/
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NO_DOWNLOAD
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}
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/**
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* Initialize the updater
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*
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* @param plugin
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* The plugin that is checking for an update.
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* @param slug
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* The dev.bukkit.org slug of the project
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* (http://dev.bukkit.org/server-mods/SLUG_IS_HERE)
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* @param file
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* The file that the plugin is running from, get this by doing
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* this.getFile() from within your main class.
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* @param type
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* Specify the type of update this will be. See
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* {@link UpdateType}
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* @param announce
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* True if the program should announce the progress of new
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* updates in console
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*/
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public Updater (Plugin plugin, String slug, File file, UpdateType type,
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boolean announce) {
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this.plugin = plugin;
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this.type = type;
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this.announce = announce;
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this.file = file;
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try {
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// Obtain the results of the project's file feed
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url = new URL(DBOUrl + slug + "/files.rss");
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} catch (MalformedURLException ex) {
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// Invalid slug
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MessageM.sendMessage(null, "%WThe author of this plugin ("
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+ plugin.getDescription().getAuthors().get(0)
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+ ") has misconfigured their Auto Update system", true);
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MessageM.sendMessage(null, "%WThe project slug given ('" + slug
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+ "') is invalid. Please nag the author about this.", true);
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result = Updater.UpdateResult.FAIL_BADSLUG; // Bad slug! Bad!
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}
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thread = new Thread(new UpdateRunnable());
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thread.start();
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}
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/**
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* Get the result of the update process.
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*/
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public Updater.UpdateResult getResult() {
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waitForThread();
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return result;
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}
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/**
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* Get the total bytes of the file (can only be used after running a version
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* check or a normal run).
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*/
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public long getFileSize() {
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waitForThread();
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return totalSize;
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}
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/**
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* Get the version string latest file avaliable online.
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*/
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public String getLatestVersionString() {
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waitForThread();
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return versionTitle;
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}
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/**
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* As the result of Updater output depends on the thread's completion, it is
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* necessary to wait for the thread to finish before alloowing anyone to
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* check the result.
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*/
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public void waitForThread() {
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if (thread.isAlive()) {
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try {
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thread.join();
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} catch (InterruptedException e) {
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e.printStackTrace();
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}
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}
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}
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/**
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* Save an update from dev.bukkit.org into the server's update folder.
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*/
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private void saveFile(File folder, String file, String u) {
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if (!folder.exists()) {
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folder.mkdir();
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}
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BufferedInputStream in = null;
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FileOutputStream fout = null;
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try {
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// Download the file
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URL url = new URL(u);
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int fileLength = url.openConnection().getContentLength();
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in = new BufferedInputStream(url.openStream());
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fout = new FileOutputStream(folder.getAbsolutePath() + "/" + file);
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byte[] data = new byte[BYTE_SIZE];
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int count;
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if (announce)
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MessageM.sendMessage(null, "%NAbout to download a new update: "
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+ versionTitle, true);
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long downloaded = 0;
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while ((count = in.read(data, 0, BYTE_SIZE)) != -1) {
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downloaded += count;
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fout.write(data, 0, count);
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int percent = (int) (downloaded * 100 / fileLength);
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if (announce & (percent % 10 == 0)) {
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MessageM.sendMessage(null, "%NDownloading update: "
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+ percent + "% of " + fileLength + " bytes.", true);
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}
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}
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// Just a quick check to make sure we didn't leave any files from
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// last time...
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for (File xFile : new File("plugins/" + updateFolder).listFiles()) {
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if (xFile.getName().endsWith(".zip")) {
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xFile.delete();
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}
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}
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// Check to see if it's a zip file, if it is, unzip it.
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File dFile = new File(folder.getAbsolutePath() + "/" + file);
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if (dFile.getName().endsWith(".zip")) {
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// Unzip
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unzip(dFile.getCanonicalPath());
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}
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if (announce)
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MessageM.sendMessage(null, "%NFinished updating.", true);
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} catch (Exception ex) {
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MessageM.sendMessage(
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null,
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"%WThe auto-updater tried to download a new update, but was unsuccessful.",
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true);
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result = Updater.UpdateResult.FAIL_DOWNLOAD;
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} finally {
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try {
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if (in != null) {
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in.close();
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}
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if (fout != null) {
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fout.close();
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}
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} catch (Exception ex) {
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}
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}
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}
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/**
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* Part of Zip-File-Extractor, modified by H31IX for use with Bukkit
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*/
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private void unzip(String file) {
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try {
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File fSourceZip = new File(file);
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String zipPath = file.substring(0, file.length() - 4);
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ZipFile zipFile = new ZipFile(fSourceZip);
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Enumeration<? extends ZipEntry> e = zipFile.entries();
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while (e.hasMoreElements()) {
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ZipEntry entry = (ZipEntry) e.nextElement();
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File destinationFilePath = new File(zipPath, entry.getName());
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destinationFilePath.getParentFile().mkdirs();
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if (entry.isDirectory()) {
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continue;
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} else {
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BufferedInputStream bis = new BufferedInputStream(
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zipFile.getInputStream(entry));
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int b;
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byte buffer[] = new byte[BYTE_SIZE];
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FileOutputStream fos = new FileOutputStream(
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destinationFilePath);
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BufferedOutputStream bos = new BufferedOutputStream(fos,
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BYTE_SIZE);
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while ((b = bis.read(buffer, 0, BYTE_SIZE)) != -1) {
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bos.write(buffer, 0, b);
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}
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bos.flush();
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bos.close();
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bis.close();
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String name = destinationFilePath.getName();
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if (name.endsWith(".jar") && pluginFile(name)) {
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destinationFilePath.renameTo(new File("plugins/"
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+ updateFolder + "/" + name));
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}
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}
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entry = null;
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destinationFilePath = null;
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}
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e = null;
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zipFile.close();
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zipFile = null;
|
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// Move any plugin data folders that were included to the right
|
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// place, Bukkit won't do this for us.
|
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for (File dFile : new File(zipPath).listFiles()) {
|
||||
if (dFile.isDirectory()) {
|
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if (pluginFile(dFile.getName())) {
|
||||
File oFile = new File("plugins/" + dFile.getName()); // Get
|
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// current
|
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// dir
|
||||
File[] contents = oFile.listFiles(); // List of existing
|
||||
// files in the
|
||||
// current dir
|
||||
for (File cFile : dFile.listFiles()) // Loop through all
|
||||
// the files in
|
||||
// the new dir
|
||||
{
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||||
boolean found = false;
|
||||
for (File xFile : contents) // Loop through contents
|
||||
// to see if it exists
|
||||
{
|
||||
if (xFile.getName().equals(cFile.getName())) {
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||||
found = true;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (!found) {
|
||||
// Move the new file into the current dir
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||||
cFile.renameTo(new File(oFile
|
||||
.getCanonicalFile()
|
||||
+ "/"
|
||||
+ cFile.getName()));
|
||||
} else {
|
||||
// This file already exists, so we don't need it
|
||||
// anymore.
|
||||
cFile.delete();
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
dFile.delete();
|
||||
}
|
||||
new File(zipPath).delete();
|
||||
fSourceZip.delete();
|
||||
} catch (IOException ex) {
|
||||
ex.printStackTrace();
|
||||
MessageM.sendMessage(
|
||||
null,
|
||||
"%WThe auto-updater tried to unzip a new update file, but was unsuccessful.",
|
||||
true);
|
||||
result = Updater.UpdateResult.FAIL_DOWNLOAD;
|
||||
}
|
||||
new File(file).delete();
|
||||
}
|
||||
|
||||
/**
|
||||
* Check if the name of a jar is one of the plugins currently installed,
|
||||
* used for extracting the correct files out of a zip.
|
||||
*/
|
||||
public boolean pluginFile(String name) {
|
||||
for (File file : new File("plugins").listFiles()) {
|
||||
if (file.getName().equals(name)) {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* Obtain the direct download file url from the file's page.
|
||||
*/
|
||||
private String getFile(String link) {
|
||||
String download = null;
|
||||
try {
|
||||
// Open a connection to the page
|
||||
URL url = new URL(link);
|
||||
URLConnection urlConn = url.openConnection();
|
||||
InputStreamReader inStream = new InputStreamReader(
|
||||
urlConn.getInputStream());
|
||||
BufferedReader buff = new BufferedReader(inStream);
|
||||
|
||||
int counter = 0;
|
||||
String line;
|
||||
while ((line = buff.readLine()) != null) {
|
||||
counter++;
|
||||
// Search for the download link
|
||||
if (line.contains("<li class=\"user-action user-action-download\">")) {
|
||||
// Get the raw link
|
||||
download = line.split("<a href=\"")[1]
|
||||
.split("\">Download</a>")[0];
|
||||
}
|
||||
// Search for size
|
||||
else if (line.contains("<dt>Size</dt>")) {
|
||||
sizeLine = counter + 1;
|
||||
} else if (counter == sizeLine) {
|
||||
String size = line.replaceAll("<dd>", "").replaceAll(
|
||||
"</dd>", "");
|
||||
multiplier = size.contains("MiB") ? 1048576 : 1024;
|
||||
size = size.replace(" KiB", "").replace(" MiB", "");
|
||||
totalSize = (long) (Double.parseDouble(size) * multiplier);
|
||||
}
|
||||
}
|
||||
urlConn = null;
|
||||
inStream = null;
|
||||
buff.close();
|
||||
buff = null;
|
||||
} catch (Exception ex) {
|
||||
ex.printStackTrace();
|
||||
MessageM.sendMessage(
|
||||
null,
|
||||
"%WThe auto-updater tried to contact dev.bukkit.org, but was unsuccessful.",
|
||||
true);
|
||||
result = Updater.UpdateResult.FAIL_DBO;
|
||||
return null;
|
||||
}
|
||||
return download;
|
||||
}
|
||||
|
||||
/**
|
||||
* Check to see if the program should continue by evaluation whether the
|
||||
* plugin is already updated, or shouldn't be updated
|
||||
*/
|
||||
private boolean versionCheck(String title) {
|
||||
if (type != UpdateType.NO_VERSION_CHECK) {
|
||||
String version = plugin.getDescription().getVersion();
|
||||
if (title.split(" v").length == 2) {
|
||||
String remoteVersion = title.split(" v")[1].split(" ")[0]; // Get
|
||||
// the
|
||||
// newest
|
||||
// file's
|
||||
// version
|
||||
// number
|
||||
int remVer = -1, curVer = 0;
|
||||
try {
|
||||
remVer = calVer(remoteVersion);
|
||||
curVer = calVer(version);
|
||||
} catch (NumberFormatException nfe) {
|
||||
remVer = -1;
|
||||
}
|
||||
if (hasTag(version) || version.equalsIgnoreCase(remoteVersion)
|
||||
|| curVer >= remVer) {
|
||||
// We already have the latest version, or this build is
|
||||
// tagged for no-update
|
||||
result = Updater.UpdateResult.NO_UPDATE;
|
||||
return false;
|
||||
}
|
||||
} else {
|
||||
// The file's name did not contain the string 'vVersion'
|
||||
MessageM.sendMessage(null, "%WThe author of this plugin ("
|
||||
+ plugin.getDescription().getAuthors().get(0)
|
||||
+ ") has misconfigured their Auto Update system", true);
|
||||
MessageM.sendMessage(
|
||||
null,
|
||||
"%WFiles uploaded to BukkitDev should contain the version number, seperated from the name by a 'v', such as PluginName v1.0",
|
||||
true);
|
||||
result = Updater.UpdateResult.FAIL_NOVERSION;
|
||||
return false;
|
||||
}
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* Used to calculate the version string as an Integer
|
||||
*/
|
||||
private Integer calVer(String s) throws NumberFormatException {
|
||||
if (s.contains(".")) {
|
||||
StringBuilder sb = new StringBuilder();
|
||||
for (int i = 0; i < s.length(); i++) {
|
||||
Character c = s.charAt(i);
|
||||
if (Character.isLetterOrDigit(c)) {
|
||||
sb.append(c);
|
||||
}
|
||||
}
|
||||
return Integer.parseInt(sb.toString());
|
||||
}
|
||||
return Integer.parseInt(s);
|
||||
}
|
||||
|
||||
/**
|
||||
* Evaluate whether the version number is marked showing that it should not
|
||||
* be updated by this program
|
||||
*/
|
||||
private boolean hasTag(String version) {
|
||||
for (String string : noUpdateTag) {
|
||||
if (version.contains(string)) {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* Part of RSS Reader by Vogella, modified by H31IX for use with Bukkit
|
||||
*/
|
||||
private boolean readFeed() {
|
||||
try {
|
||||
// Set header values intial to the empty string
|
||||
String title = "";
|
||||
String link = "";
|
||||
// First create a new XMLInputFactory
|
||||
XMLInputFactory inputFactory = XMLInputFactory.newInstance();
|
||||
// Setup a new eventReader
|
||||
InputStream in = read();
|
||||
if (in != null) {
|
||||
XMLEventReader eventReader = inputFactory
|
||||
.createXMLEventReader(in);
|
||||
// Read the XML document
|
||||
while (eventReader.hasNext()) {
|
||||
XMLEvent event = eventReader.nextEvent();
|
||||
if (event.isStartElement()) {
|
||||
if (event.asStartElement().getName().getLocalPart()
|
||||
.equals(TITLE)) {
|
||||
event = eventReader.nextEvent();
|
||||
title = event.asCharacters().getData();
|
||||
continue;
|
||||
}
|
||||
if (event.asStartElement().getName().getLocalPart()
|
||||
.equals(LINK)) {
|
||||
event = eventReader.nextEvent();
|
||||
link = event.asCharacters().getData();
|
||||
continue;
|
||||
}
|
||||
} else if (event.isEndElement()) {
|
||||
if (event.asEndElement().getName().getLocalPart()
|
||||
.equals(ITEM)) {
|
||||
// Store the title and link of the first entry we
|
||||
// get - the first file on the list is all we need
|
||||
versionTitle = title;
|
||||
versionLink = link;
|
||||
// All done, we don't need to know about older
|
||||
// files.
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
return true;
|
||||
} else {
|
||||
return false;
|
||||
}
|
||||
} catch (XMLStreamException e) {
|
||||
MessageM.sendMessage(
|
||||
null,
|
||||
"%WCould not reach dev.bukkit.org for update checking. Is it offline?",
|
||||
true);
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Open the RSS feed
|
||||
*/
|
||||
private InputStream read() {
|
||||
try {
|
||||
return url.openStream();
|
||||
} catch (IOException e) {
|
||||
MessageM.sendMessage(
|
||||
null,
|
||||
"%WCould not reach BukkitDev file stream for update checking. Is dev.bukkit.org offline?",
|
||||
true);
|
||||
return null;
|
||||
}
|
||||
}
|
||||
|
||||
private class UpdateRunnable implements Runnable {
|
||||
|
||||
public void run() {
|
||||
if (url != null) {
|
||||
// Obtain the results of the project's file feed
|
||||
if (readFeed()) {
|
||||
if (versionCheck(versionTitle)) {
|
||||
String fileLink = getFile(versionLink);
|
||||
if (fileLink != null && type != UpdateType.NO_DOWNLOAD) {
|
||||
String name = file.getName();
|
||||
// If it's a zip file, it shouldn't be downloaded as
|
||||
// the plugin's name
|
||||
if (fileLink.endsWith(".zip")) {
|
||||
String[] split = fileLink.split("/");
|
||||
name = split[split.length - 1];
|
||||
}
|
||||
saveFile(new File("plugins/" + updateFolder), name,
|
||||
fileLink);
|
||||
} else {
|
||||
result = UpdateResult.UPDATE_AVAILABLE;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user