Android Open Source - AndroidPlugin Plugin Delegate Service Impl

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License

The source code is released under:
MIT License
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Java Source Code

/*
 * Copyright (C) 2014 achellies//  ww w  .j  av  a2  s  . c  o m
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License 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.limemobile.app.plugin.internal;

import java.lang.reflect.Constructor;

import android.annotation.TargetApi;
import android.app.Service;
import android.content.Intent;
import android.content.pm.PackageInfo;
import android.content.pm.ServiceInfo;
import android.content.res.AssetManager;
import android.content.res.Resources;
import android.content.res.Resources.Theme;
import android.os.Build;
import android.text.TextUtils;

import com.limemobile.app.plugin.IPluginService;

public class PluginDelegateServiceImpl {
  protected String mPluginClientServiceClass;
  protected String mPluginClientPackageName;

  protected PluginClientInfo mPluginClient;
  protected PluginClientManager mPluginManager;

  protected AssetManager mAssetManager;
  protected Resources mResources;
  protected Theme mTheme;

  protected ServiceInfo mServiceInfo;
  protected Service mPluginHostService;
  protected IPluginService mDelegatedService;

  public PluginDelegateServiceImpl(Service service) {
    mPluginHostService = service;
  }

  public void onCreate(Intent intent) {
    mPluginClientPackageName = intent
        .getStringExtra(PluginClientManager.INTENT_EXTRA_PLUGIN_CLIENT_PACKAGE_NAME);
    mPluginClientServiceClass = intent
        .getStringExtra(PluginClientManager.INTENT_EXTRA_PLUGIN_CLIENT_SERVICE_CLASS);

    mPluginManager = PluginClientManager.sharedInstance(mPluginHostService);
    mPluginClient = mPluginManager
        .getPluginClient(mPluginClientPackageName);
    mAssetManager = mPluginClient.mAssetManager;
    mResources = mPluginClient.mResources;

    initializeServiceInfo();
    handleServiceInfo();
    launchTargetService();
  }

  private void initializeServiceInfo() {
    PackageInfo packageInfo = mPluginClient.mClientPackageInfo;
    if ((packageInfo.services != null) && (packageInfo.services.length > 0)) {
      if (TextUtils.isEmpty(mPluginClientServiceClass)) {
        mPluginClientServiceClass = packageInfo.services[0].name;
      }
      for (ServiceInfo a : packageInfo.services) {
        if (a.name.equals(mPluginClientServiceClass)) {
          mServiceInfo = a;
        }
      }
    }
  }

  private void handleServiceInfo() {
    Theme superTheme = mPluginHostService.getTheme();
    mTheme = mResources.newTheme();
    mTheme.setTo(superTheme);
  }

  @TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH)
  protected void launchTargetService() {
    try {
      Class<?> localClass = getClassLoader().loadClass(
          mPluginClientServiceClass);
      Constructor<?> localConstructor = localClass
          .getConstructor(new Class[] {});
      Object instance = localConstructor.newInstance(new Object[] {});
      if (!(instance instanceof IPluginService)) {
        throw new IllegalArgumentException();
      }
      mDelegatedService = (IPluginService) instance;
      ((IPluginServiceDelegate) mPluginHostService)
          .attach(mDelegatedService);

      mDelegatedService.setDelegate(mPluginHostService, mPluginClient);

      mDelegatedService.onCreate();
    } catch (Exception e) {
      e.printStackTrace();
    }
  }

  public ClassLoader getClassLoader() {
    return mPluginClient.mClassLoader;
  }

  public AssetManager getAssets() {
    return mAssetManager;
  }

  public Resources getResources() {
    return mResources;
  }

  public Theme getTheme() {
    return mTheme;
  }

  public IPluginService getRemoteService() {
    return mDelegatedService;
  }
}
Java Source Code List
