all the fillr stuff

By: Taylor Kelly <tkelly910@gmail.com>
2011-01-03 11:01:36 +08:00
parent d0a03cd4c4
commit 7f5bbdf764
9 changed files with 582 additions and 3 deletions
--- a/paper-api/src/main/java/org/bukkit/fillr/Downloader.java
+++ b/paper-api/src/main/java/org/bukkit/fillr/Downloader.java
@@ -0,0 +1,174 @@
+package org.bukkit.fillr;
+
+import org.bukkit.*;
+import org.bukkit.plugin.PluginDescriptionFile;
+
+import java.io.*;
+import java.net.MalformedURLException;
+import java.net.URL;
+
+public class Downloader {
+	private static String directory = Fillr.directory;
+	private static String downloads = directory + File.separator + "downloads";
+	private static String backup = "backup";
+
+	/**
+	 * Downloads the jar from a given url. If it is a compressed archive, it
+	 * tries to get the .jars out of it
+	 * 
+	 * @param url
+	 *            The url to download from
+	 */
+	public static void downloadJar(String url) throws Exception {
+		int index = url.lastIndexOf('/');
+		String name = url.substring(index + 1);
+
+		File file = new File(directory, name);
+		if (url.endsWith(".jar") && file.exists())
+			backupFile(file);
+
+		download(new URL(url), name, directory);
+		file = new File("plugins", name);
+		/*if (name.endsWith(".zip") || name.endsWith(".tar")
+				|| name.endsWith(".rar") || name.endsWith(".7z")) {
+			unzipPlugin(file);
+			file.delete();
+		}*/
+	}
+
+	/**
+	 * Downloads the file for a given plugin (if it's updatr file exists);
+	 * 
+	 * @param name
+	 *            The name of the plugin to download
+	 * @param player
+	 *            The player to send info to
+	 */
+	public void downloadFile(String name, Player player) throws Exception {
+		File file = new File(directory, name + ".jar");
+		if (file.exists()) {
+			player.sendMessage("Downloading " + name + "'s file");
+			PluginDescriptionFile pdfFile = Checker.getPDF(file);
+			FillReader reader = Checker.needsUpdate(pdfFile);
+			downloadFile(new URL(reader.getFile()));
+			player.sendMessage("Finished download");
+		} else {
+			System.out.println("Can't find " + name);
+		}
+	}
+
+	/**
+	 * Downloads the file to the Updatr/downloads directory
+	 * 
+	 * @param u
+	 *            The url of the file to download
+	 */
+	private void downloadFile(URL u) throws Exception {
+		String name = u.getFile();
+		int index = name.lastIndexOf('/');
+		name = name.substring(index + 1);
+		download(u, name, downloads);
+	}
+
+	/**
+	 * Downloads the file to a given directory with a given name
+	 * 
+	 * @param u
+	 *            The url of the file to download
+	 * @param name
+	 *            The name to give the file
+	 * @param directory
+	 *            The directory to put the file
+	 */
+	private static void download(URL u, String name, String directory)
+			throws Exception {
+		InputStream inputStream = null;
+		// try {
+		inputStream = u.openStream();
+
+		if (!new File(directory).exists())
+			new File(directory).mkdir();
+
+		File f = new File(directory, name);
+		if (f.exists())
+			f.delete();
+		f.createNewFile();
+
+		copyInputStream(inputStream, new BufferedOutputStream(
+				new FileOutputStream(f)));
+
+		try {
+			if (inputStream != null)
+				inputStream.close();
+		} catch (IOException ioe) {
+			System.out.println("[UPDATR]: Error closing inputStream");
+		}
+		// }
+	}
+
+	/**
+	 * Decompresses a file! How nice.
+	 * 
+	 * @param f
+	 *            the file to decompress
+	 */
+	private static void unzipPlugin(File f) {
+		try {
+			System.out.println("Extracting jars out of " + f.getName());
+			//ExtractorUtil.extract(f, f.getAbsolutePath());
+		} catch (Exception e) {
+			System.out.println("[UPDATR]: Error decompressing " + f.getName());
+		}
+	}
+
+	/**
+	 * Copies an InputStream to an OutputStream!
+	 * 
+	 * @param in
+	 *            InputStream
+	 * @param out
+	 *            OutputStream
+	 * @throws IOException
+	 */
+	public static final void copyInputStream(InputStream in, OutputStream out)
+			throws IOException {
+		byte[] buffer = new byte[1024];
+		int len;
+
+		while ((len = in.read(buffer)) >= 0)
+			out.write(buffer, 0, len);
+
+		in.close();
+		out.close();
+	}
+
+	/**
+	 * Downloads the new updatr file
+	 * 
+	 * @param url
+	 *            The url pointing to the updatr file
+	 * @param name
+	 *            The name of the plugin
+	 */
+	public static void downloadUpdatr(String url, String name) throws Exception {
+		// try {
+		download(new URL(url), name + ".updatr", Fillr.directory);
+	}
+
+	/**
+	 * Moves the file to the backup folder.
+	 * 
+	 * @param file
+	 *            The file to backup
+	 */
+	public static void backupFile(File file) {
+		if (file.exists()) {
+			System.out.println("Backing up old file: " + file.getName());
+			if (!new File(backup).exists())
+				new File(backup).mkdir();
+			file.renameTo(new File(backup, file
+					.getName() + ".bak"));
+		}
+	}
+
+}