通过反射生成类的utils

package com.gu.utils;

import java.io.BufferedWriter;
import java.io.File;
import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.Writer;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import som.gu.core.DBManager;
import som.gu.core.MysqlTypeConvertor;
import som.gu.core.tableContext;
import som.gu.core.typeConvetor;

import com.gu.bean.JavaFieldGetSet;
import com.gu.bean.columnInfo;
import com.gu.bean.tableInfo;

/**
 * 生成类源码常用的操作
 * @author 谷
 *
 */
public class javaFieldUtils {

    /**
     * 生成类某属性和get，set方法
     * @param column
     * @param converter
     * @return
     */
    public static JavaFieldGetSet createjavaFieldSetGetSRC(columnInfo column,typeConvetor converter){
        JavaFieldGetSet jfgs=new JavaFieldGetSet();
        String javaFieldType=converter.databassType2javatype(column.getDateType());
        jfgs.setFieldInfo("	private "+javaFieldType+" "+column.getName()+";
");
        //get方法
        StringBuilder str=new StringBuilder();
        str.append("	public "+javaFieldType+" Get"+StringUtils.firstChar2uppercase(column.getName())+"(){
");
        str.append("		return "+column.getName()+";
	}
");
        jfgs.setGetInfo(str.toString());
        //set方法
        StringBuilder set=new StringBuilder();
        set.append("	public "+" void Set"+StringUtils.firstChar2uppercase(column.getName())+"("+javaFieldType+" "+column.getName()+"){
");
        set.append("		this."+column.getName()+"="+column.getName()+";
	}
");
        jfgs.setSetInfo(set.toString());
        
        return jfgs;
    }
    /**
     * 生成某个类中所有信息
     * @param table
     * @param conver
     * @return
     */
    public static String JavaSrc(tableInfo table,typeConvetor conver){
        StringBuilder src=new StringBuilder();
         Map<String, columnInfo> columns=table.getColumns();
         List<JavaFieldGetSet>list=new ArrayList<>();//所有属性列表
         
         
         for(columnInfo column:columns.values()){
             list.add(createjavaFieldSetGetSRC(column, conver));
         }
         //生成包名；
         src.append("package "+DBManager.getPoPackage()+";
");
         //生成类名
         src.append("public class "+StringUtils.firstChar2uppercase(table.gettName())+" {
");
         //生成属性
         for(JavaFieldGetSet f:list){
             src.append(f.getFieldInfo());
         }
         src.append("

");
         //生成get，set方法
         for(JavaFieldGetSet f:list){
             src.append(f.getGetInfo());
         }
         for(JavaFieldGetSet f:list){
             src.append(f.getSetInfo());
         }
         src.append("}");
         return src.toString();
    }
    /**
     * 生成表对应的java文件
     * @param table
     * @param conver
     */
    public static void creatJavaPoFile(tableInfo table,typeConvetor conver){
        String po=JavaSrc(table,conver);
        String srcPath=DBManager.getSrcPath().replaceAll("\\", "/");;
        String PoPackagePath=DBManager.getPoPackage().replaceAll("\.","/");
        //String filePath=srcPath+"/"+PoPackagePath+"/"+table.gettName()+".java";
        
        File f=new File(srcPath+"/"+PoPackagePath);
        
        if(!f.exists()){
            f.mkdirs();
        }
    //    System.out.print(f.getAbsolutePath());
        BufferedWriter writer=null;
        try {
         writer=new BufferedWriter(new FileWriter(f.getAbsolutePath()+"/"+StringUtils.firstChar2uppercase(table.gettName())+".java"));
         writer.write(po);
         writer.close();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        
    } 
        }

}