/** * Copyright (c) 2015-present, Facebook, Inc. * All rights reserved. * * This source code is licensed under the BSD-style license found in the * LICENSE file in the root directory of this source tree. An additional grant * of patent rights can be found in the PATENTS file in the same directory. */ package com.facebook.react.bridge; import com.facebook.jni.Countable; import com.facebook.proguard.annotations.DoNotStrip; import com.facebook.soloader.SoLoader; /** * Implementation of a read-only map in native memory. This will generally be constructed and filled * in native code so you shouldn't construct one yourself. */ @DoNotStrip public class ReadableNativeMap extends NativeMap implements ReadableMap { static { SoLoader.loadLibrary(ReactBridge.REACT_NATIVE_LIB); } @Override public native boolean hasKey(String name); @Override public native boolean isNull(String name); @Override public native boolean getBoolean(String name); @Override public native double getDouble(String name); @Override public native int getInt(String name); @Override public native String getString(String name); @Override public native ReadableNativeArray getArray(String name); @Override public native ReadableNativeMap getMap(String name); @Override public native ReadableType getType(String name); @Override public ReadableMapKeySetIterator keySetIterator() { return new ReadableNativeMapKeySetIterator(this); } /** * Implementation of a {@link ReadableNativeMap} iterator in native memory. */ @DoNotStrip private static class ReadableNativeMapKeySetIterator extends Countable implements ReadableMapKeySetIterator { private final ReadableNativeMap mReadableNativeMap; public ReadableNativeMapKeySetIterator(ReadableNativeMap readableNativeMap) { mReadableNativeMap = readableNativeMap; initialize(mReadableNativeMap); } @Override public native boolean hasNextKey(); @Override public native String nextKey(); private native void initialize(ReadableNativeMap readableNativeMap); } }