Renamed mage-updater-client to Mage.Updater

Mage.Updater/pom.xml

@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>mage-root</artifactId>
+        <groupId>org.mage</groupId>
+        <version>0.8.5</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+	<groupId>org.mage</groupId>
+	<artifactId>mage-updater</artifactId>
+	<name>Mage Updater</name>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-jar-plugin</artifactId>
+                <configuration>
+                    <archive>
+                        <manifest>
+                            <mainClass>com.magefree.update.Main</mainClass>
+                        </manifest>
+                    </archive>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+</project>

Mage.Updater/src/main/java/com/magefree/update/ChechsumHelper.java

@@ -0,0 +1,37 @@
+package com.magefree.update;
+
+import java.io.FileInputStream;
+import java.io.InputStream;
+import java.security.MessageDigest;
+
+public class ChechsumHelper {
+    public static byte[] createChecksum(String filename) throws
+            Exception
+    {
+        InputStream fis =  new FileInputStream(filename);
+
+        byte[] buffer = new byte[1024];
+        MessageDigest complete = MessageDigest.getInstance("SHA1");
+        int numRead;
+        do {
+            numRead = fis.read(buffer);
+            if (numRead > 0) {
+                complete.update(buffer, 0, numRead);
+            }
+        } while (numRead != -1);
+        fis.close();
+        return complete.digest();
+    }
+
+    // see this How-to for a faster way to convert
+    // a byte array to a HEX string
+    public static String getSHA1Checksum(String filename) throws Exception {
+        byte[] b = createChecksum(filename);
+        String result = "";
+        for (int i=0; i < b.length; i++) {
+            result +=
+                    Integer.toString( ( b[i] & 0xff ) + 0x100, 16).substring( 1 );
+        }
+        return result;
+    }
+}

Mage.Updater/src/main/java/com/magefree/update/Main.java

@@ -0,0 +1,147 @@
+package com.magefree.update;
+
+import java.io.*;
+import java.net.HttpURLConnection;
+import java.net.URL;
+import java.net.URLConnection;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Scanner;
+
+public class Main {
+    private final static String URL_PREFIX = "http://download.magefree.com/update/";
+
+    public static void main(String[] args) throws Exception {
+        Main m = new Main();
+        HashMap<String, String> local = m.readLocalData();
+        HashMap<String, String> remote = m.downloadAndParseUpdateData();
+        List<String> downloadList = m.findUpdated(local, remote);
+        downloadList.addAll(m.findNew(local, remote));
+        m.downloadAndUpdate(downloadList);
+        m.removeFiles(m.findRemoved(local, remote));
+    }
+
+    public HashMap<String, String> readLocalData() throws Exception {
+        HashMap<String, String> result = new HashMap<String, String>();
+        for (File f : findJars()) {
+            result.put(f.getPath().replaceAll("\\\\", "/"), ChechsumHelper.getSHA1Checksum(f.getPath()));
+        }
+        return result;
+    }
+
+    public List<File> findJars() throws Exception {
+        ArrayList<File> result = new ArrayList<File>();
+        result.addAll(findJarsInDir("mage-client/lib"));
+        result.addAll(findJarsInDir("mage-client/plugins"));
+        result.addAll(findJarsInDir("mage-server/lib"));
+        result.addAll(findJarsInDir("mage-server/plugins"));
+        return result;
+    }
+
+    public List<File> findJarsInDir(String dir) {
+        ArrayList<File> result = new ArrayList<File>();
+        File directory = new File(dir);
+        if (directory.exists() && directory.isDirectory()) {
+            for (File jar : directory.listFiles(new FilenameFilter() {
+                @Override
+                public boolean accept(File dir, String name) {
+                    return name.endsWith(".jar");
+                }
+            })) {
+                result.add(jar);
+            }
+        }
+        return result;
+    }
+
+    public HashMap<String, String> downloadAndParseUpdateData() throws Exception {
+        HashMap<String, String> result = new HashMap<String, String>();
+        URL url = new URL(URL_PREFIX + "update-data.txt");
+        URLConnection urlConnection = url.openConnection();
+        urlConnection.connect();
+        Scanner scanner = new Scanner(urlConnection.getInputStream());
+        while (scanner.hasNextLine()) {
+            String[] lines = scanner.nextLine().split("  ");
+            if (lines.length == 2) {
+                result.put(lines[1], lines[0]);
+                System.out.println("jar " + lines[1] + ", checksum " + lines[0]);
+            }
+        }
+        return result;
+    }
+
+    public List<String> findUpdated(HashMap<String, String> local, HashMap<String, String> remote) {
+        ArrayList<String> result = new ArrayList<String>();
+        for (String remoteFile : remote.keySet()) {
+            if (local.containsKey(remoteFile)) {
+                if (!local.get(remoteFile).equals(remote.get(remoteFile))) {
+                    System.out.println("jar need to be updated - " + remoteFile);
+                    result.add(remoteFile);
+                }
+            }
+        }
+        return result;
+    }
+
+    public List<String> findNew(HashMap<String, String> local, HashMap<String, String> remote) {
+        ArrayList<String> result = new ArrayList<String>();
+        for (String remoteFile : remote.keySet()) {
+            if (!local.containsKey(remoteFile)) {
+                System.out.println("new jar found - " + remoteFile);
+                result.add(remoteFile);
+            }
+        }
+        return result;
+    }
+    
+    public List<String> findRemoved(HashMap<String, String> local, HashMap<String, String> remote) {
+        ArrayList<String> result = new ArrayList<String>();
+        for (String localFile : local.keySet()) {
+            if (!remote.containsKey(localFile)) {
+                System.out.println("deleted jar found - " + localFile);
+                result.add(localFile);
+            }
+        }
+        return result;
+    }
+
+    public void downloadAndUpdate(List<String> downloadList) throws IOException {
+        for (String filename : downloadList) {
+            URL url = new URL(URL_PREFIX + filename);
+            HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
+            urlConnection.connect();
+            if (urlConnection.getResponseCode() == HttpURLConnection.HTTP_OK) {
+                System.out.println("downloading " + filename);
+                try {
+                    InputStream in = urlConnection.getInputStream();
+                    File f = new File(filename);
+                    if (!f.exists())
+                        f.getParentFile().mkdirs();
+                    FileOutputStream out = new FileOutputStream(filename);
+                    byte[] buf = new byte[4 * 1024];
+                    int bytesRead;
+                    while ((bytesRead = in.read(buf)) != -1) {
+                        out.write(buf, 0, bytesRead);
+                    }
+                } catch (IOException e) {
+                    System.out.println("i/o exception - " + e.getMessage());
+                }
+
+            } else {
+                System.out.println(filename + " error status : " + urlConnection.getResponseMessage());
+            }
+        }
+    }
+    
+    public void removeFiles(List<String> files) {
+        for (String filename : files) {
+            File f = new File(filename);
+            if (f.exists()) {
+                f.delete();
+            } else {
+                System.out.println("ERROR. File was found but currently not found");
+            }
+        }
+    }
+}

pom.xml

@@ -32,7 +32,7 @@
         <module>Mage.Server.Plugins</module>
 		<module>Mage.Server.Console</module>
         <module>Mage.Tests</module>
-        <module>mage.updater.client</module>
+        <module>Mage.Updater</module>
     </modules>
 
     <repositories>