init doc

Author: issotina

websockets/.gitignore

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+/build

websockets/README.md

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+**Android webSocket client for Ratchet Server** http://socketo.me/
+This android library use autobahn-java https://github.com/crossbario/autobahn-java
+
+Installation

websockets/build.gradle

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+apply plugin: 'com.android.library'
+
+android {
+    compileSdkVersion 25
+    buildToolsVersion "25.0.2"
+
+    defaultConfig {
+        minSdkVersion 14
+        targetSdkVersion 25
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+dependencies {
+    compile fileTree(include: ['*.jar'], dir: 'libs')
+    androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
+        exclude group: 'com.android.support', module: 'support-annotations'
+    })
+    testCompile 'junit:junit:4.12'
+    compile 'org.codehaus.jackson:jackson-mapper-asl:1.9.13'
+    compile 'com.google.code.gson:gson:2.8.1'
+}

websockets/libs/autobahn-0.5.0.jar

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+# Add project specific ProGuard rules here.
+# By default, the flags in this file are appended to flags specified
+# in /Users/geecko/Environnement/Android/sdk_2/tools/proguard/proguard-android.txt
+# You can edit the include path and order by changing the proguardFiles
+# directive in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# Add any project specific keep options here:
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

websockets/proguard-rules.pro

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+package com.craftsman.websockets;
+
+import android.content.Context;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumentation test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+    @Test
+    public void useAppContext() throws Exception {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getTargetContext();
+
+        assertEquals("com.craftsman.websockets.test", appContext.getPackageName());
+    }
+}

websockets/src/androidTest/java/com/craftsman/websockets/ExampleInstrumentedTest.java

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+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+
+    package="com.craftsman.websockets">
+
+    <uses-permission android:name="android.permission.INTERNET" />
+
+    <application android:allowBackup="true" android:label="@string/app_name"
+        android:supportsRtl="true">
+
+    </application>
+
+</manifest>

websockets/src/main/AndroidManifest.xml

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+package com.craftsman.websockets;
+
+/**
+ * Created by ALI SHADAÏ (Software Craftman) on 15/09/2017.
+ */
+
+public interface Ws {
+
+    /**
+     *
+     * @return
+     */
+     Ws connect() throws Exception;
+
+
+    /**
+     *
+     * @param channelPath
+     * @param wsListner
+     */
+    <T> Ws on(String channelPath,Class<T> exceptedDataType, WsListner<T> wsListner);
+
+
+    /**
+     *
+     * @param channelPath
+     * @param wsListner
+     * @return
+     */
+     Ws on(String channelPath, WsListner wsListner);
+
+    /**
+     *
+     * @param channelPath
+     * @param text
+     */
+    void send(String channelPath,String text);
+
+
+    /**
+     *
+     * @param channelPath
+     * @param binary
+     */
+    void send(String channelPath,byte[] binary);
+
+    /**
+     *
+     */
+    interface WsListner<T> {
+
+        void onEvent(String eventUri,T data);
+    }
+
+
+    class Builder {
+        public Builder(){
+        }
+
+        public WsImpl from(String websocketServerUri){
+            return new WsImpl(websocketServerUri);
+        }
+    }
+}

websockets/src/main/java/com/craftsman/websockets/Ws.java

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+package com.craftsman.websockets;
+
+import android.util.Log;
+
+import com.google.gson.Gson;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import de.tavendo.autobahn.Autobahn;
+import de.tavendo.autobahn.AutobahnConnection;
+
+/**
+ * Created by ALI SHADAÏ (Software Craftman) on 15/09/2017.
+ */
+
+public class WsImpl implements Ws {
+
+    final String TAG = "Web Socket Impl";
+
+    final AutobahnConnection autobahnConnection = new AutobahnConnection();
+    final List<Payload> subscriptions = new ArrayList<>();
+    String serverUrl;
+
+    public WsImpl(String websocketServerUri) {
+        serverUrl = websocketServerUri;
+    }
+
+
+    @Override
+    public Ws connect() throws Exception {
+        if(serverUrl == null || !serverUrl.startsWith("ws")){
+            throw new Exception("Right server url is not provided");
+        }
+        autobahnConnection.connect(serverUrl, new Autobahn.SessionHandler() {
+            @Override
+            public void onOpen() {
+                Log.i(TAG,"Connected");
+
+                for (final Payload payload: subscriptions) {
+                    //setup listener for all subscribed channel
+                    if(payload == null || payload.channel == null || payload.channel.isEmpty()) continue;
+                    else if(payload.channel.startsWith("/")) payload.channel = payload.channel.substring(1);
+                    autobahnConnection.subscribe(payload.channel, Object.class, new Autobahn.EventHandler() {
+                        @Override
+                        public void onEvent(String s, Object o) {
+                            try {
+                                payload.listner.onEvent(s,
+                                        (payload.objectType != null) ?
+                                                new Gson().fromJson(o.toString(),payload.objectType)
+                                                 : o);
+
+                            }
+                            catch (Exception e){
+                                e.printStackTrace();
+                            }
+                        }
+                    });
+                }
+            }
+
+            @Override
+            public void onClose(int i, String s) {
+                Log.i(TAG,"Disconnected");
+            }
+        });
+        return this;
+    }
+
+    @Override
+    public <T> Ws on(final String channelPath, final Class<T> exceptedDataType, final WsListner<T> wsListner) {
+
+        if(!autobahnConnection.isConnected()){
+            subscriptions.add(new Payload<>(channelPath,exceptedDataType,wsListner));
+            return this;
+        }
+        else {
+            autobahnConnection.subscribe(channelPath, Object.class, new Autobahn.EventHandler() {
+                @Override
+                public void onEvent(String s, Object o) {
+                    wsListner.onEvent(s,new Gson().fromJson(o.toString(),exceptedDataType));
+                }
+            });
+        }
+
+        return this;
+    }
+
+    @Override
+    public Ws on(String channelPath, final WsListner wsListner) {
+        if(!autobahnConnection.isConnected()){
+            subscriptions.add(new Payload<>(channelPath,null,wsListner));
+            return this;
+        }
+        else autobahnConnection.subscribe(channelPath, Object.class, new Autobahn.EventHandler() {
+            @Override
+            public void onEvent(String s, Object o) {
+                wsListner.onEvent(s, o);
+            }
+        });
+
+        return this;
+    }
+
+    @Override
+    public void send(String channelPath, String text) {
+
+    }
+
+    @Override
+    public void send(String channelPath, byte[] binary) {
+
+    }
+
+    final private class Payload<T>{
+        String channel;
+        Class<T> objectType;
+        WsListner listner;
+
+
+
+        public Payload(String channel, Class<T> objectType, WsListner listner) {
+            this.channel = channel;
+            this.objectType = objectType;
+            this.listner = listner;
+        }
+    }
+}

websockets/src/main/java/com/craftsman/websockets/WsImpl.java

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+<resources>
+    <string name="app_name">websockets</string>
+</resources>