ProbeFactory.getProbe() 的使用

xiaoxiao2021-03-01  5

import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import com.ibatis.common.beans.Probe; import com.ibatis.common.beans.ProbeFactory; import com.newheight.model.TempProduct; /** * <pre> * ProbeFactory.getProbe()测试 * </pre> * * @author liuhongbo * @version $Id: TestProbe.java, v 0.1 2012-3-22 上午09:47:45 liuhongbo Exp $ */ public class TestProbe { private static final Probe PROBE = ProbeFactory.getProbe(); /** * * <pre> * 从List的E中返回valueProp属性的List * </pre> * * @param <E> * @param list * @param propertyName * @return */ public static <E> List<Object> GetPropertyList(List<E> list,String propertyName) { List<Object> valueList = new ArrayList<Object>(); for (Object o : list) { Object value = PROBE.getObject(o, propertyName); valueList.add(value); } return valueList; } /** * * <pre> * 从List的E中返回valueProp属性的List * </pre> * * @param <E> * @param list * @param keyProp map中的的key值 * @param valueProp map中的value值,为null时,取对象本身 * @return */ public static <E> Map<Object,Object> ListforMap(List<E> list, String keyProp, String valueProp) { Map<Object,Object> map = new HashMap<Object,Object>(); for (int i = 0, n = list.size(); i < n; i++) { Object object = list.get(i); if(null == object){ continue; } Object key = PROBE.getObject(object, keyProp); Object value = null; if (valueProp == null || "".equals(valueProp)){ value = object; } else { value = PROBE.getObject(object, valueProp); } map.put(key, value); } return map; } public static void main(String[] args) { TempProduct tp1 = new TempProduct(); tp1.setId(789456L); TempProduct tp2 = new TempProduct(); tp2.setId(789451L); TempProduct tp3 = new TempProduct(); tp3.setId(789453L); List<TempProduct> array = new ArrayList<TempProduct>(); array.add(tp1); array.add(tp2); array.add(tp3); List<Object> list1 = GetPropertyList(array,"id"); for (Object o : list1) { System.out.println(o.toString()); } System.out.println(ListforMap(array,"id",null)); } }

 

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