一个Java类

/**
 * 
 */
package com.gb.soa.core.util;

import java.util.ArrayList;

import com.gb.soa.core.accountbalance.model.Join;
import com.gb.soa.core.accountbalance.model.JoinField;
import com.gb.soa.core.accountbalance.model.ShowField;
import com.gb.soa.core.accountbalance.model.Where;
import com.gb.soa.core.config.jni.json.JSONObject;

/**
 * @author Ling-Feng.Wu
 *
 */
public class JavaJsonQueryUtil {
	
	/**
     * json字符串转换成Join对象
     * @param jsonString
     * @return
     */
    public static Join json2Join(String jsonString){  
    	
    }
	/**
     * json字符串转换成Join对象
     * @param jsonString
     * @return
     */
    public static Join json2Join(JSONObject jo){    	
    	Join join=new Join();
		//
		String joinType=ConfigJsonUtil.getJsonValues(jsonString, "joinType");
		join.setJoinType(joinType);
		
		String vjoinfields=ConfigJsonUtil.getJsonPropertyValue(jsonString, "joinfields");		
		if(null!=vjoinfields && vjoinfields.trim().length()>0 && vjoinfields.trim().startsWith("[") ){
        	String[] joinfields=JavaJsonUtil.getDTOArray(vjoinfields);
        	ArrayList<JoinField> joinlist=new ArrayList<JoinField>(joinfields.length);
        	for(int i=0;i<joinfields.length;i++){        		
        		JoinField jf=json2JoinField(joinfields[i]);
        		joinlist.add(jf);
        	}
        	join.setJoinfields(joinlist);
		}
		//
		String jointablealias=ConfigJsonUtil.getJsonPropertyValue(jsonString, "jointablealias");
		join.setJointablealias(jointablealias);
		//
		String jointablename=ConfigJsonUtil.getJsonPropertyValue(jsonString, "jointablename");
		join.setJointablename(jointablename);
		return join;
    }
    
    /**
     * json字符串转换成JoinField对象
     * @param jsonString
     * @return
     */
    public static JoinField json2JoinField(String jsonString){    	
    	JoinField joinfield=new JoinField();   	
		//
		String leftBracket=ConfigJsonUtil.getJsonPropertyValue(jsonString, "leftBracket");
		joinfield.setLeftBracket(leftBracket);
		//
		String leftfield=ConfigJsonUtil.getJsonPropertyValue(jsonString, "leftfield");
		joinfield.setLeftfield(leftfield);
		//
		String lefttable=ConfigJsonUtil.getJsonPropertyValue(jsonString, "lefttable");
		joinfield.setLefttable(lefttable);
		//
		String operator=ConfigJsonUtil.getJsonPropertyValue(jsonString, "operator");
		joinfield.setOperator(operator);
		//
		String rightBracket=ConfigJsonUtil.getJsonPropertyValue(jsonString, "rightBracket");
		joinfield.setRightBracket(rightBracket);
		//
		String rightfield=ConfigJsonUtil.getJsonPropertyValue(jsonString, "rightfield");
		joinfield.setRightfield(rightfield);
		//
		String righttable=ConfigJsonUtil.getJsonPropertyValue(jsonString, "righttable");
		joinfield.setRighttable(righttable);
		//
		String righttablealias=ConfigJsonUtil.getJsonPropertyValue(jsonString, "righttablealias");
		joinfield.setRighttablealias(righttablealias);		
		return joinfield;
    }
    
    /**
     * json字符串转换成ShowField对象
     * @param jsonString
     * @return
     */
    public static ShowField json2ShowField(String jsonString){    	
    	ShowField showfield=new ShowField();   	
		String fieldname=ConfigJsonUtil.getJsonPropertyValue(jsonString, "fieldname");
		showfield.setFieldname(fieldname);
		//
		String fieldoname=ConfigJsonUtil.getJsonPropertyValue(jsonString, "fieldoname");
		showfield.setFieldoname(fieldoname);
		//
		String isorder=ConfigJsonUtil.getJsonPropertyValue(jsonString, "isorder");
		showfield.setIsorder(isorder);
		//
		String isgroup=ConfigJsonUtil.getJsonPropertyValue(jsonString, "isgroup");
		showfield.setIsgroup(isgroup);
		//
		String ordername=ConfigJsonUtil.getJsonPropertyValue(jsonString, "ordername");
		showfield.setOrdername(ordername);
		//
		String isshow=ConfigJsonUtil.getJsonPropertyValue(jsonString, "isshow");
		showfield.setIsshow(isshow);
				
		return showfield;
    }
    
    /**
     * json字符串转换成Where对象
     * @param jsonString
     * @return
     */
    public static Where json2Where(String jsonString){    	
    	Where where=new Where();   
		String andor=ConfigJsonUtil.getJsonPropertyValue(jsonString, "andor");
		where.setAndor(andor);
		//
		String leftBracket=ConfigJsonUtil.getJsonPropertyValue(jsonString, "leftBracket");
		where.setLeftBracket(leftBracket);
		//
		String rightBracket=ConfigJsonUtil.getJsonPropertyValue(jsonString, "rightBracket");
		where.setRightBracket(rightBracket);
		//
		String leftField=ConfigJsonUtil.getJsonPropertyValue(jsonString, "leftField");
		where.setLeftField(leftField);
		//
		String leftTable=ConfigJsonUtil.getJsonPropertyValue(jsonString, "leftTable");
		where.setLeftTable(leftTable);
		//
		String operator=ConfigJsonUtil.getJsonPropertyValue(jsonString, "operator");
		where.setOperator(operator);
		//
		String param=ConfigJsonUtil.getJsonPropertyValue(jsonString, "param");
		where.setParam(param);
		//
		String paramType=ConfigJsonUtil.getJsonPropertyValue(jsonString, "paramType");
		where.setParamType(paramType);
		//
		String fieldType=ConfigJsonUtil.getJsonPropertyValue(jsonString, "fieldType");
		where.setFieldType(fieldType);
		return where;
    }
}