/**
* 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;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import com.facebook.react.bridge.JavaScriptModule;
import com.facebook.react.bridge.NativeModule;
import com.facebook.react.bridge.ReactApplicationContext;
import com.facebook.react.uimanager.ViewManager;
/**
* {@code CompositeReactPackage} allows to create a single package composed of views and modules
* from several other packages.
*/
public class CompositeReactPackage implements ReactPackage {
private final List<ReactPackage> mChildReactPackages = new ArrayList<>();
/**
* The order in which packages are passed matters. It may happen that a NativeModule or
* or a ViewManager exists in two or more ReactPackages. In that case the latter will win
* i.e. the latter will overwrite the former. This re-occurrence is detected by
* comparing a name of a module.
*/
public CompositeReactPackage(ReactPackage arg1, ReactPackage arg2, ReactPackage... args) {
mChildReactPackages.add(arg1);
mChildReactPackages.add(arg2);
for (ReactPackage reactPackage: args) {
mChildReactPackages.add(reactPackage);
}
}
/**
* {@inheritDoc}
*/
@Override
public List<NativeModule> createNativeModules(ReactApplicationContext reactContext) {
final Map<String, NativeModule> moduleMap = new HashMap<>();
for (ReactPackage reactPackage: mChildReactPackages) {
for (NativeModule nativeModule: reactPackage.createNativeModules(reactContext)) {
moduleMap.put(nativeModule.getName(), nativeModule);
}
}
return new ArrayList(moduleMap.values());
}
/**
* {@inheritDoc}
*/
@Override
public List<Class<? extends JavaScriptModule>> createJSModules() {
final Set<Class<? extends JavaScriptModule>> moduleSet = new HashSet<>();
for (ReactPackage reactPackage: mChildReactPackages) {
for (Class<? extends JavaScriptModule> jsModule: reactPackage.createJSModules()) {
moduleSet.add(jsModule);
}
}
return new ArrayList(moduleSet);
}
/**
* {@inheritDoc}
*/
@Override
public List<ViewManager> createViewManagers(ReactApplicationContext reactContext) {
final Map<String, ViewManager> viewManagerMap = new HashMap<>();
for (ReactPackage reactPackage: mChildReactPackages) {
for (ViewManager viewManager: reactPackage.createViewManagers(reactContext)) {
viewManagerMap.put(viewManager.getName(), viewManager);
}
}
return new ArrayList(viewManagerMap.values());
}
}