Rekognition support

Rekognition/android/build.gradle

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+buildscript {
+    repositories {
+        mavenCentral()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:+'
+    }
+}
+
+apply plugin: 'com.android.library'
+
+android {
+    compileSdkVersion 23
+    buildToolsVersion "23.0.3"
+
+    defaultConfig {
+        minSdkVersion 16
+        targetSdkVersion 23
+        versionCode 1
+        versionName "1.0"
+    }
+}
+
+repositories {
+    mavenCentral()
+}
+
+dependencies {
+    compile project(':aws-sdk-react-native-core')
+    compile 'com.facebook.react:react-native:+'
+    compile 'com.amazonaws:aws-android-sdk-core:+'
+    compile 'com.amazonaws:aws-android-sdk-rekognition:+'
+}

Rekognition/android/settings.gradle

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+include ':aws-sdk-react-native-core'
+project(':aws-sdk-react-native-core').projectDir = new File(rootProject.projectDir, '../node_modules/aws-sdk-react-native-core/android')
+include ':aws-sdk-react-native-rekognition'
+project(':aws-sdk-react-native-rekognition').projectDir = new File(rootProject.projectDir, '../node_modules/aws-sdk-react-native-rekognition/android')

Rekognition/android/src/main/AndroidManifest.xml

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+<!--
+    Copyright 2010-2016 Amazon.com, Inc. or its affiliates. All Rights Reserved.
+
+    Licensed under the Apache License, Version 2.0 (the "License").
+    You may not use this file except in compliance with the License.
+    A copy of the License is located at
+
+    http://aws.amazon.com/apache2.0
+
+    or in the "license" file accompanying this file. This file is distributed
+    on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
+    express or implied. See the License for the specific language governing
+    permissions and limitations under the License.
+-->
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.amazonaws.reactnative.rekognition">
+</manifest>

Rekognition/android/src/main/java/com/amazonaws/reactnative/rekognition/AWSRNRekognitionClient.java

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+//
+// Copyright 2010-2016 Amazon.com, Inc. or its affiliates. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License").
+// You may not use this file except in compliance with the License.
+// A copy of the License is located at
+//
+// http://aws.amazon.com/apache2.0
+//
+// or in the "license" file accompanying this file. This file is distributed
+// on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
+// express or implied. See the License for the specific language governing
+// permissions and limitations under the License.
+//
+
+package com.amazonaws.reactnative.rekognition;
+
+import android.util.Log;
+
+import com.amazonaws.reactnative.core.AWSRNClientConfiguration;
+import com.amazonaws.reactnative.core.AWSRNClientMarshaller;
+import com.amazonaws.reactnative.core.AWSRNCognitoCredentials;
+import com.amazonaws.regions.Region;
+import com.amazonaws.regions.Regions;
+import com.amazonaws.services.rekognition.*;
+import com.amazonaws.services.rekognition.model.*;
+import com.facebook.react.bridge.Arguments;
+import com.facebook.react.bridge.Promise;
+import com.facebook.react.bridge.ReactApplicationContext;
+import com.facebook.react.bridge.ReactContextBaseJavaModule;
+import com.facebook.react.bridge.ReactMethod;
+import com.facebook.react.bridge.ReadableMap;
+import com.facebook.react.bridge.WritableMap;
+import com.google.gson.FieldNamingPolicy;
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+
+import org.json.JSONObject;
+
+import java.io.IOException;
+import java.io.RandomAccessFile;
+
+import java.nio.ByteBuffer;
+import java.nio.MappedByteBuffer;
+
+import java.nio.channels.FileChannel;
+
+public class AWSRNRekognitionClient extends ReactContextBaseJavaModule {
+
+    private AmazonRekognitionClient rekognitionClient;
+    private Gson gson;
+
+    public AWSRNRekognitionClient(final ReactApplicationContext context) {
+        super(context);
+    }
+
+    @Override
+    public String getName() {
+        return "AWSRNRekognitionClient";
+    }
+
+    @ReactMethod
+    public void initWithOptions(final ReadableMap options) {
+        final AWSRNCognitoCredentials credentials = this.getReactApplicationContext().getNativeModule(AWSRNCognitoCredentials.class);
+        if (credentials.getCredentialsProvider() == null) {
+            throw new IllegalArgumentException("AWSCognitoCredentials is not initialized");
+        }
+        gson = new GsonBuilder().setFieldNamingStrategy(FieldNamingPolicy.UPPER_CAMEL_CASE).registerTypeAdapter(ByteBuffer.class, AWSRNClientMarshaller.getSerializer()).registerTypeAdapter(ByteBuffer.class, AWSRNClientMarshaller.getDeserializer()).create();
+        rekognitionClient = new AmazonRekognitionClient(credentials.getCredentialsProvider(), new AWSRNClientConfiguration().withUserAgent("Rekognition"));
+    }
+
+    @ReactMethod
+    public void CompareFaces(final ReadableMap options, final Promise promise) {
+        try {
+            final CompareFacesRequest request = gson.fromJson(new JSONObject(AWSRNClientMarshaller.readableMapToMap(options)).toString(), CompareFacesRequest.class);
+            final CompareFacesResult response = rekognitionClient.compareFaces(request);
+            final WritableMap map = AWSRNClientMarshaller.jsonToReact(new JSONObject(gson.toJson(response)));
+            promise.resolve(map);
+        } catch (Exception e) {
+            promise.reject(e);
+            return;
+        }
+    }
+
+    @ReactMethod
+    public void CreateCollection(final ReadableMap options, final Promise promise) {
+        try {
+            final CreateCollectionRequest request = gson.fromJson(new JSONObject(AWSRNClientMarshaller.readableMapToMap(options)).toString(), CreateCollectionRequest.class);
+            final CreateCollectionResult response = rekognitionClient.createCollection(request);
+            final WritableMap map = AWSRNClientMarshaller.jsonToReact(new JSONObject(gson.toJson(response)));
+            promise.resolve(map);
+        } catch (Exception e) {
+            promise.reject(e);
+            return;
+        }
+    }
+
+    @ReactMethod
+    public void DeleteCollection(final ReadableMap options, final Promise promise) {
+        try {
+            final DeleteCollectionRequest request = gson.fromJson(new JSONObject(AWSRNClientMarshaller.readableMapToMap(options)).toString(), DeleteCollectionRequest.class);
+            final DeleteCollectionResult response = rekognitionClient.deleteCollection(request);
+            final WritableMap map = AWSRNClientMarshaller.jsonToReact(new JSONObject(gson.toJson(response)));
+            promise.resolve(map);
+        } catch (Exception e) {
+            promise.reject(e);
+            return;
+        }
+    }
+
+    @ReactMethod
+    public void DeleteFaces(final ReadableMap options, final Promise promise) {
+        try {
+            final DeleteFacesRequest request = gson.fromJson(new JSONObject(AWSRNClientMarshaller.readableMapToMap(options)).toString(), DeleteFacesRequest.class);
+            final DeleteFacesResult response = rekognitionClient.deleteFaces(request);
+            final WritableMap map = AWSRNClientMarshaller.jsonToReact(new JSONObject(gson.toJson(response)));
+            promise.resolve(map);
+        } catch (Exception e) {
+            promise.reject(e);
+            return;
+        }
+    }
+
+    @ReactMethod
+    public void DetectFaces(final ReadableMap options, final Promise promise) {
+        try {
+            final DetectFacesRequest request = gson.fromJson(new JSONObject(AWSRNClientMarshaller.readableMapToMap(options)).toString(), DetectFacesRequest.class);
+            final DetectFacesResult response = rekognitionClient.detectFaces(request);
+            final WritableMap map = AWSRNClientMarshaller.jsonToReact(new JSONObject(gson.toJson(response)));
+            promise.resolve(map);
+        } catch (Exception e) {
+            promise.reject(e);
+            return;
+        }
+    }
+
+    @ReactMethod
+    public void DetectLabels(final ReadableMap options, final Promise promise) {
+        try {
+            final DetectLabelsRequest request = gson.fromJson(new JSONObject(AWSRNClientMarshaller.readableMapToMap(options)).toString(), DetectLabelsRequest.class);
+            final DetectLabelsResult response = rekognitionClient.detectLabels(request);
+            final WritableMap map = AWSRNClientMarshaller.jsonToReact(new JSONObject(gson.toJson(response)));
+            promise.resolve(map);
+        } catch (Exception e) {
+            promise.reject(e);
+            return;
+        }
+    }
+
+    @ReactMethod
+    public void IndexFaces(final ReadableMap options, final Promise promise) {
+        try {
+            final IndexFacesRequest request = new IndexFacesRequest();
+            request.setCollectionId(options.getString("CollectionId"));
+            try {
+              RandomAccessFile file = new RandomAccessFile(options.getString("Image"), "r");
+              FileChannel inChannel = file.getChannel();
+              MappedByteBuffer buffer = inChannel.map(FileChannel.MapMode.READ_ONLY, 0, inChannel.size());
+              final Image image = new Image();
+              image.withBytes(buffer);
+              request.setImage(image);
+            } catch(IOException e) {
+              Log.w(this.getClass().toString(), e.getMessage());
+            }
+
+            final IndexFacesResult response = rekognitionClient.indexFaces(request);
+            final WritableMap map = AWSRNClientMarshaller.jsonToReact(new JSONObject(gson.toJson(response)));
+            promise.resolve(map);
+        } catch (Exception e) {
+            promise.reject(e);
+            return;
+        }
+    }
+
+    @ReactMethod
+    public void ListCollections(final ReadableMap options, final Promise promise) {
+        try {
+            final ListCollectionsRequest request = gson.fromJson(new JSONObject(AWSRNClientMarshaller.readableMapToMap(options)).toString(), ListCollectionsRequest.class);
+            final ListCollectionsResult response = rekognitionClient.listCollections(request);
+            final WritableMap map = AWSRNClientMarshaller.jsonToReact(new JSONObject(gson.toJson(response)));
+            promise.resolve(map);
+        } catch (Exception e) {
+            promise.reject(e);
+            return;
+        }
+    }
+
+    @ReactMethod
+    public void ListFaces(final ReadableMap options, final Promise promise) {
+        try {
+            final ListFacesRequest request = gson.fromJson(new JSONObject(AWSRNClientMarshaller.readableMapToMap(options)).toString(), ListFacesRequest.class);
+            final ListFacesResult response = rekognitionClient.listFaces(request);
+            final WritableMap map = AWSRNClientMarshaller.jsonToReact(new JSONObject(gson.toJson(response)));
+            promise.resolve(map);
+        } catch (Exception e) {
+            promise.reject(e);
+            return;
+        }
+    }
+
+    @ReactMethod
+    public void SearchFaces(final ReadableMap options, final Promise promise) {
+        try {
+            final SearchFacesRequest request = gson.fromJson(new JSONObject(AWSRNClientMarshaller.readableMapToMap(options)).toString(), SearchFacesRequest.class);
+            final SearchFacesResult response = rekognitionClient.searchFaces(request);
+            final WritableMap map = AWSRNClientMarshaller.jsonToReact(new JSONObject(gson.toJson(response)));
+            promise.resolve(map);
+        } catch (Exception e) {
+            promise.reject(e);
+            return;
+        }
+    }
+
+    @ReactMethod
+    public void SearchFacesByImage(final ReadableMap options, final Promise promise) {
+        try {
+            final SearchFacesByImageRequest request = new SearchFacesByImageRequest();
+            request.setCollectionId(options.getString("CollectionId"));
+            if (options.hasKey("MaxFaces")) {
+              request.setMaxFaces(options.getInt("MaxFaces"));
+            }
+            if (options.hasKey("FaceMatchThreshold")) {
+              request.setFaceMatchThreshold((float)options.getDouble("FaceMatchThreshold"));
+            }
+            try {
+              RandomAccessFile file = new RandomAccessFile(options.getString("Image"), "r");
+              FileChannel inChannel = file.getChannel();
+              MappedByteBuffer buffer = inChannel.map(FileChannel.MapMode.READ_ONLY, 0, inChannel.size());
+              final Image image = new Image();
+              image.withBytes(buffer);
+              request.setImage(image);
+            } catch(IOException e) {
+              Log.w(this.getClass().toString(), e.getMessage());
+            }
+
+            final SearchFacesByImageResult response = rekognitionClient.searchFacesByImage(request);
+            final WritableMap map = AWSRNClientMarshaller.jsonToReact(new JSONObject(gson.toJson(response)));
+            promise.resolve(map);
+        } catch (Exception e) {
+            promise.reject(e);
+            return;
+        }
+    }
+
+}

Rekognition/android/src/main/java/com/amazonaws/reactnative/rekognition/AWSRNRekognitionPackage.java

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+//
+// Copyright 2010-2016 Amazon.com, Inc. or its affiliates. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License").
+// You may not use this file except in compliance with the License.
+// A copy of the License is located at
+//
+// http://aws.amazon.com/apache2.0
+//
+// or in the "license" file accompanying this file. This file is distributed
+// on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
+// express or implied. See the License for the specific language governing
+// permissions and limitations under the License.
+//
+
+package com.amazonaws.reactnative.rekognition;
+
+import com.facebook.react.ReactPackage;
+import com.facebook.react.bridge.JavaScriptModule;
+import com.facebook.react.bridge.NativeModule;
+import com.facebook.react.bridge.ReactApplicationContext;
+import com.facebook.react.uimanager.ViewManager;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * This is a package to expose AWSRNRekognitionClient.java to AWSRekognitionRekognitionClient.js
+ * This package is a member of the Integration Testing package for the AWSRekognition SDK for React Native
+ * <p>
+ * Do not use this package to add any custom classes.
+ * Please create your own package if necessary.
+ */
+public class AWSRNRekognitionPackage implements ReactPackage {
+    @Override
+    public List<NativeModule> createNativeModules(ReactApplicationContext reactContext) {
+        List<NativeModule> modules = new ArrayList<>();
+        modules.add(new AWSRNRekognitionClient(reactContext));
+        return modules;
+    }
+
+    @Override
+    public List<Class<? extends JavaScriptModule>> createJSModules() {
+        return Collections.emptyList();
+    }
+
+    @Override
+    public List<ViewManager> createViewManagers(ReactApplicationContext reactContext) {
+        return Collections.emptyList();
+    }
+}

Rekognition/package.json

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+{
+  "name": "aws-sdk-react-native-rekognition",
+  "version": "0.0.1",
+  "description": "A React Native wrapper for AWS SDK for Rekognition.",
+  "main": "./src/index.js",
+  "files": [
+    "android/",
+    "src/"
+  ],
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/awslabs/aws-sdk-react-native.git"
+  },
+  "keywords": [
+    "aws",
+    "aws mobile",
+    "react-native",
+    "react",
+    "native",
+    "rekognition"
+  ],
+  "author": "Dane Summers",
+  "license": "Apache-2.0",
+  "peerDependencies": {},
+  "dependencies": {}
+}