Android Open Source - kirin-for-android Kirin Extensions

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From Project

Back to project page kirin-for-android.

License

The source code is released under:

Apache License

Java Source Code

package com.futureplatforms.kirin.extensions;
/*from   w w  w . j  a  v a 2  s  .c o m*/
import java.util.Collection;
import java.util.LinkedList;

import android.content.Context;
import android.util.Log;

import com.futureplatforms.kirin.C;
import com.futureplatforms.kirin.extensions.databases.DatabasesBackend;
import com.futureplatforms.kirin.extensions.networking.NetworkingBackend;
import com.futureplatforms.kirin.extensions.settings.SettingsBackend;
import com.futureplatforms.kirin.extensions.settings.PreferencesBackendImpl;

public class KirinExtensions {

  private boolean mIsStarted = false;
  
  private Collection<IKirinExtension> mAllExtensions;
  
  public static KirinExtensions coreExtensions(Context context) {
    KirinExtensions extensions = emptyExtensions();
    Log.i(C.TAG, "Registering core extensions");
    // this one is stable.
    extensions.registerExtension(new SettingsBackend(context));
    // this one is in alpha.
    extensions.registerExtension(new PreferencesBackendImpl(context));
    extensions.registerExtension(new NetworkingBackend(context));
    extensions.registerExtension(new DatabasesBackend(context));
    
    
    return extensions;
  }

  private static KirinExtensions emptyExtensions() {
    return new KirinExtensions();
  }
  
  public KirinExtensions() {
    mAllExtensions = new LinkedList<IKirinExtension>();
  }
  
  public void registerExtension(IKirinExtension extension) {
    mAllExtensions.add(extension);
    extension.onLoad();
    if (mIsStarted) {
      extension.onStart();
    }
  }
  
  public void ensureStarted() {
    if (mIsStarted) {
      return;
    }
    // TODO consider using Locks to make sure that this is thread safe.
    mIsStarted = true;
    
    for (IKirinExtension extension : mAllExtensions) {
      extension.onStart();
    }
  }
  
  
  public void unloadExtensions() {
    if (!mIsStarted) {
      return;
    }
    
    for (IKirinExtension extension : mAllExtensions) {
      extension.onStop();
    }
    
    for (IKirinExtension extension : mAllExtensions) {
      extension.onUnload();
    }
    
    mIsStarted = false;
  }
  
  public boolean isStarted() {
    return mIsStarted;
  }
}

Java Source Code List

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