Android Open Source - markj Jw Member Mapper

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License

The source code is released under:

GNU Lesser General Public License

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Java Source Code

package com.markjmind.mobile.api.android.controller;
/* ww  w . j a  v a2s  . c  o  m*/
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import java.lang.reflect.AccessibleObject;
import java.lang.reflect.Field;

import android.view.View;
/**
 * 
 * @author ???
 * @email markjmind@gmail.com
 */

public class JwMemberMapper {
  
  @Retention( RetentionPolicy.RUNTIME )
  @Target( ElementType.FIELD )
  public @interface getView
  {
    int value() default -1;
    String click() default "";
  }
  
  @Retention( RetentionPolicy.RUNTIME )
  @Target( ElementType.FIELD )
  public @interface getViewClick
  {
    int value() default -1;
    String click() default "";
  }
  
  @Retention( RetentionPolicy.RUNTIME )
  @Target(ElementType.TYPE)
  public @interface layout
  {
    int value();
  }
  public static int injectionLayout(Class<?> viewerClass){
    if(viewerClass.isAnnotationPresent(layout.class)){
      layout lytId = viewerClass.getAnnotation(layout.class);
      return lytId.value();
    }else{
      throw new JwMapperException("\n["+viewerClass.getName()+"] ?? Viewer?? layout??? ???? annotation??? ????.",null);
    }
    
  }
  
  public static void injectField(JwViewer obj){
    Field[] fields = obj.getClass().getDeclaredFields();
    for(int i=0;i<fields.length;i++){
      if(fields[i].isAnnotationPresent(getView.class)){
        getView ab = fields[i].getAnnotation(getView.class);
        int id = ab.value();
        id = setField(obj,id,fields[i]);
        String click = ab.click();
        if(!"".equals(click) && click.length()>0){
          obj.setOnClickListener(click, id);
        }
      }else if(fields[i].isAnnotationPresent(getViewClick.class)){
        getViewClick ab = fields[i].getAnnotation(getViewClick.class);
        int id = ab.value();
        id = setField(obj,id,fields[i]);
        String click = ab.click();
        if(!"".equals(click) && click.length()>0){
        }else{
          click = fields[i].getName();
        }
        obj.setOnClickListener(click, id);
      }
    }
  }
  
  private static int setField(JwViewer obj, int id, Field field){
    if(id==-1){
      id = JwStringID.getID(field.getName(), obj.getActivity().getApplication());
    }
    View v = obj.getView(id);
    if(v==null){
      throw new JwMapperException("\n["+obj.getClass().getName()+"] Field:"+field.getName()+", Filed?? ???? ID(Null)? ?? ?????????.",null);
    }
    try {
      field.setAccessible(true);
      field.set(obj, v);
    } catch (IllegalArgumentException e) {
      throw new JwMapperException("\n["+obj.getClass().getName()+"] Field:"+field.getName()+", ????? Field?? ???? ID? ????? ????.",e);
    } catch (IllegalAccessException e) {
      throw new JwMapperException("\n["+obj.getClass().getName()+"] Field:"+field.getName()+", ??????? ?? ?????.",e);
    }
    return id;
  }
  
  
  

}

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