java 对象转换成另外一个类对象 泛型

对象转换成另一个类对象

package com.mw.usims.fts.util;

import com.mw.usims.fts.model.BaseModel;
import org.apache.poi.ss.formula.functions.T;

import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;

/**
 * Created by LiAnAn on 2015/2/3.
 */
public class Test1 {
    public static   T convertClass(Object obj,Class cla) throws NoSuchMethodException, InvocationTargetException, IllegalAccessException, InstantiationException {
        Map maps = new HashMap();
        T  dataBean = null;
        if(null==obj) {
            return null;
        }
        Class cls = obj.getClass();
        dataBean = cla.newInstance();
        Field[] fields = cls.getDeclaredFields();
        Field[] beanFields = cla.getDeclaredFields();
        for(Field field:fields){
            String fieldName = field.getName();
            String strGet = "get" + fieldName.substring(0, 1).toUpperCase() + fieldName.substring(1, fieldName.length());
            Method methodGet = cls.getDeclaredMethod(strGet);
            Object object = methodGet.invoke(obj);
            maps.put(fieldName,object==null?"":object);
        }

        for(Field field:beanFields){
            field.setAccessible(true);
            String fieldName = field.getName();
            Class fieldType = field.getType();
            String fieldValue = maps.get(fieldName)==null?null:maps.get(fieldName).toString();
            if(fieldValue!=null){
                try {
                    if(String.class.equals(fieldType)){
                        field.set(dataBean, fieldValue);
                    }else if(byte.class.equals(fieldType)){
                        field.setByte(dataBean, Byte.parseByte(fieldValue));

                    }else if(Byte.class.equals(fieldType)){
                        field.set(dataBean, Byte.valueOf(fieldValue));

                    }else if(boolean.class.equals(fieldType)){
                        field.setBoolean(dataBean, Boolean.parseBoolean(fieldValue));

                    }else if(Boolean.class.equals(fieldType)){
                        field.set(dataBean, Boolean.valueOf(fieldValue));

                    }else if(short.class.equals(fieldType)){
                        field.setShort(dataBean, Short.parseShort(fieldValue));

                    }else if(Short.class.equals(fieldType)){
                        field.set(dataBean, Short.valueOf(fieldValue));

                    }else if(int.class.equals(fieldType)){
                        field.setInt(dataBean, Integer.parseInt(fieldValue));

                    }else if(Integer.class.equals(fieldType)){
                        field.set(dataBean, Integer.valueOf(fieldValue));

                    }else if(long.class.equals(fieldType)){
                        field.setLong(dataBean, Long.parseLong(fieldValue));

                    }else if(Long.class.equals(fieldType)){
                        field.set(dataBean, Long.valueOf(fieldValue));

                    }else if(float.class.equals(fieldType)){
                        field.setFloat(dataBean, Float.parseFloat(fieldValue));

                    }else if(Float.class.equals(fieldType)){
                        field.set(dataBean, Float.valueOf(fieldValue));

                    }else if(double.class.equals(fieldType)){
                        field.setDouble(dataBean, Double.parseDouble(fieldValue));

                    }else if(Double.class.equals(fieldType)){
                        field.set(dataBean, Double.valueOf(fieldValue));

                    }else if(Date.class.equals(fieldType)){
                        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS");
                        field.set(dataBean, sdf.parse(fieldValue));
                    }
                } catch (IllegalArgumentException e) {
                    e.printStackTrace();
                } catch (ParseException e) {
                    e.printStackTrace();
                }

            }
        }
        return dataBean;

    }

    public static void main(String arg0[]) throws NoSuchMethodException, IllegalAccessException, InvocationTargetException, InstantiationException {
        BaseModel baseModel = new BaseModel();
        baseModel.setId("1");
        baseModel.setDescription("2");
        baseModel.setSequence(3);
        baseModel.setType("4");
        baseModel.setValue("5");
        BaseModel base = convertClass(baseModel, BaseModel.class);
        System.out.println(base.getId());
    }
}