initial update

.gitignore

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+# ignore output folders
+.idea/
+out/
+target/
+
+# ignore files
+config.json
+*.iml
+

LICENSE

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+shadowsocks-java is distributed under the following BSD-style license:
+
+Copyright (c) 2015, Blake <stfl0622@gmail.com>
+All Rights Reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice,
+this list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright notice,
+this list of conditions and the following disclaimer in the documentation
+and/or other materials provided with the distribution.
+
+3. The name of the author may not be used to endorse or promote
+products derived from this software without specific prior
+written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.

README.md

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+shadowsocks-java
+================
+
+shadowsocks-java is a pure JAVA client for [shadowsocks](https://github.com/shadowsocks/shadowsocks) project.
+
+Only tested AES encryption.
+
+### Requirements
+    * Bouncy Castle v1.5.2 [Release](https://www.bouncycastle.org/)
+    * json-simple v1.1.1 [Release](https://code.google.com/p/json-simple/)
+
+### Developers
+    * Using Non-blocking server
+        Config config = new Config("SS_SERVER_IP", "SS_SERVER_PORT", "LOCAL_IP", "LOCAL_PORT", "CIPHER_NAME", "PASSWORD");
+        NioLocalServer server = new NioLocalServer(config);
+        new Thread(server).start();
+        
+    * Using blocking server
+        Config config = new Config("SS_SERVER_IP", "SS_SERVER_PORT", "LOCAL_IP", "LOCAL_PORT", "CIPHER_NAME", "PASSWORD");
+        LocalServer server = new LocalServer(config);
+        new Thread(server).start();

pom.xml

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+<?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">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>com.stfl</groupId>
+    <artifactId>shadowsocks-java</artifactId>
+    <version>0.1-SNAPSHOT</version>
+
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>1.7</source>
+                    <target>1.7</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.bouncycastle</groupId>
+            <artifactId>bcprov-jdk15on</artifactId>
+            <version>1.52</version>
+        </dependency>
+        <dependency>
+            <groupId>com.googlecode.json-simple</groupId>
+            <artifactId>json-simple</artifactId>
+            <version>1.1.1</version>
+            <!-- remove junit dependency since it's not required during runtime -->
+            <exclusions>
+                <exclusion>
+                    <groupId>junit</groupId>
+                    <artifactId>junit</artifactId>
+                </exclusion>
+                <exclusion>
+                    <groupId>org.hamcrest</groupId>
+                    <artifactId>hamcrest-core</artifactId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+    </dependencies>
+</project>

src/main/java/com/stfl/Main.java

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+package com.stfl;
+
+import com.stfl.misc.Config;
+import com.stfl.misc.Util;
+import com.stfl.network.LocalServer;
+import com.stfl.network.NioLocalServer;
+import com.stfl.ss.CryptFactory;
+
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.logging.Logger;
+
+public class Main {
+
+    public static void main(String[] args) {
+        Logger logger = Logger.getLogger(Main.class.getName());
+        Config config;
+
+        config = parseArgument(args);
+        if (config == null) {
+            printUsage();
+            return;
+        }
+
+        String s = config.saveToJson();
+        PrintWriter writer = null;
+        try {
+            writer = new PrintWriter("config.json");
+            writer.println(s);
+            writer.close();
+        } catch (FileNotFoundException e) {
+            logger.warning("Unable to save config");
+        }
+
+        try {
+            //LocalServer server = new LocalServer(config);
+            NioLocalServer server = new NioLocalServer(config);
+            Thread t = new Thread(server);
+            t.start();
+            logger.info("Shadowsocks-Java v" + Util.getVersion());
+            logger.info("Server starts at port: " + config.getLocalPort());
+            t.join();
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    private static Config parseArgument(String[] args) {
+        Config config = new Config();
+
+        if (args.length == 2) {
+            if (args[0].equals("--config")) {
+                Path path = Paths.get(args[1]);
+                try {
+                    String json = new String(Files.readAllBytes(path));
+                    config.loadFromJson(json);
+                } catch (IOException e) {
+                    System.out.println("Unable to read configuration file: " + args[1]);
+                    return null;
+                }
+                return config;
+            }
+            else {
+                return null;
+            }
+        }
+
+        if (args.length != 8) {
+            return null;
+        }
+
+        // parse arguments
+        for (int i = 0; i < args.length; i+=2) {
+            String[] tempArgs;
+            if (args[i].equals("--local")) {
+                tempArgs = args[i+1].split(":");
+                if (tempArgs.length < 2) {
+                    System.out.println("Invalid argument: " + args[i]);
+                    return null;
+                }
+                config.setLocalIpAddress(tempArgs[0]);
+                config.setLocalPort(Integer.parseInt(tempArgs[1]));
+            }
+            else if (args[i].equals("--remote")) {
+                tempArgs = args[i+1].split(":");
+                if (tempArgs.length < 2) {
+                    System.out.println("Invalid argument: " + args[i]);
+                    return null;
+                }
+                config.setRemoteIpAddress(tempArgs[0]);
+                config.setRemotePort(Integer.parseInt(tempArgs[1]));
+            }
+            else if (args[i].equals("--cipher")) {
+                config.setMethod(args[i+1]);
+            }
+            else if (args[i].equals("--password")) {
+                config.setPassword(args[i + 1]);
+            }
+        }
+
+        return config;
+    }
+
+    private static void printUsage() {
+        System.out.println("Usage: ss --[option] value --[option] value...");
+        System.out.println("Option:");
+        System.out.println("  --local [IP:PORT]");
+        System.out.println("  --remote [IP:PORT]");
+        System.out.println("  --cipher [CIPHER_NAME]");
+        System.out.println("  --password [PASSWORD]");
+        System.out.println("  --config [CONFIG_FILE]");
+        System.out.println("Support Ciphers:");
+        for (String s : CryptFactory.getSupportedCiphers()) {
+            System.out.printf("  %s\n", s);
+        }
+        System.out.println("Example:");
+        System.out.println("  ss --local \"127.0.0.1:1080\" --remote \"[SS_SERVER_IP]:8080\" --cipher \"aes-256-cfb\" --password \"HelloWorld\"");
+        System.out.println("  ss --config config.json");
+
+    }
+}