Android Open Source - ixming-android-inject Injector Utils

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License

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

package org.ixming.android.inject;
// www.j a  v a2  s .  com
import java.lang.reflect.Field;
import java.lang.reflect.Method;

import org.ixming.android.inject.core.BaseInjectLoader;
import org.ixming.android.inject.core.InjectLoaderFactory;

import android.app.Activity;
import android.content.Context;
import android.view.View;

/**
 * ????????layout?????????????????????????????target??????????????
 * 
 * <p>
 * <strong>????</strong> ????????????????????????????????OOM?????<br/>
 * ????????????????????????<br/>
 * ????????????????????/????????????????????????????
 * </p>
 * 
 * @author Yin Yong
 * @version 1.0
 */
public class InjectorUtils {

  final String TAG = InjectorUtils.class.getSimpleName();

  private static InjectorUtils mSingleton = null;
  /**
   * ??????????????????????????????????????InjectConfigure??
   */
  public static synchronized InjectorUtils buildAsSingleton(InjectConfigure configure) {
    if (null == mSingleton) {
      mSingleton = new InjectorUtils(configure);
    }
    return mSingleton;
  }
  
  /**
   * ?????????????
   * 
   * <p>
   * Tips:?????{@link InjectorUtils#buildAsSingleton(InjectConfigure)}???????????
   * ?????????<br/>
   * ????????????????????????
   * </p>
   */
  public static InjectorUtils defaultInstance() {
    return null == mSingleton ? new InjectorUtils(new InjectConfigure()) : mSingleton;
  }

  /**
   * ???????????configure????????????
   */
  public static InjectorUtils instanceBuildFrom(InjectConfigure configure) {
    return new InjectorUtils(configure);
  }
  
  private final InjectConfigure mConfigure;
  InjectorUtils() {
    this(new InjectConfigure());
  }

  InjectorUtils(InjectConfigure configure) {
    if (null == configure) {
      // new default
      configure = new InjectConfigure();
    }
    mConfigure = configure;
  }

  /**
   * ?????Activity????????
   * 
   * @param context
   *            ?????????????????Context
   */
  public void inject(Activity context) {
    BaseInjectLoader baseLoader = InjectLoaderFactory.createFrom(context,
        context, null);
    innerInject(context, mConfigure, baseLoader);
  }

  /**
   * ????????View??????????????????????
   * <p>
   * ?????{@link #inject(View, Context)}??View.getContext()??????????
   * </p>
   * 
   * <p>
   * ???????????View???Context???????{@link #inject(View, Context)}
   * </p>
   * 
   * @param view
   *            ?????????????????Context
   *            
   * @see {@link #inject(View, Context)}
   */
  public void inject(View view) {
    inject(view, view.getContext());
  }

  /**
   * ????????View??????????????????????
   * <p>
   * ?????{@link #inject(View, Context)}??View.getContext()??????????
   * </p>
   * 
   * <p>
   * ???????????View???Context???????{@link #inject(View, Context)}
   * </p>
   * 
   * @param view
   *            ???????
   * @param localContext
   *            ????Context
   *            
   * @see {@link #inject(View, Context)}
   */
  public void inject(View view, Context localContext) {
    BaseInjectLoader baseLoader = InjectLoaderFactory.createFrom(view,
        localContext, null);
    innerInject(view, mConfigure, baseLoader);
  }

  /**
   * ??????????????????????????Activity??View????????Fragment
   * 
   * @param target
   *            ?????????????????
   * @param contentView
   *            ????????View????????Context??
   */
  public void inject(Object target, View contentView) {
    inject(target, contentView, contentView.getContext());
  }

  /**
   * ??????????????????????????Activity??View????????Fragment
   * 
   * @param target
   *            ?????????????????
   * @param contentView
   *            ????????View
   * @param localContext
   *            ?????????Context??
   */
  public void inject(Object target, View contentView, Context localContext) {
    BaseInjectLoader baseLoader = InjectLoaderFactory.createFrom(
        contentView, localContext, null);
    innerInject(target, mConfigure, baseLoader);
  }

  private void innerInject(Object target, InjectConfigure config, BaseInjectLoader baseLoader) {
    boolean isInjectReses = config.isInjectReses();
    boolean isInjectViews = config.isInjectViews();
    boolean isInjectOnClickMethods = config.isInjectOnClickMethods();
    // inject object
    if (isInjectReses || isInjectViews) Inject1: {
      Field[] fields = target.getClass().getDeclaredFields();
      if (null == fields || fields.length == 0) {
        break Inject1;
      }
      for (Field field : fields) {
        if (isInjectViews && baseLoader.injectView(target, field)) {
          continue;
        }
        // next
        if (isInjectReses && baseLoader.injectRes(target, field)) {
          continue;
        }
        // to be continued
      }
    }
    
    if (isInjectOnClickMethods) Inject2: {
      Method[] methods = target.getClass().getDeclaredMethods();
      if (null == methods || methods.length == 0) {
        break Inject2;
      }
      for (Method method : methods) {
        if (baseLoader.injectOnClickMethodListener(target, method)) {
          continue ;
        }
      }
    }
    // force GC
    System.gc();
  }
}
Java Source Code List
