java json代码自动生成

浏览数：28 / 时间：2015年06月08日

package code;

import java.io.FileReader;
import java.io.FileWriter;
import java.io.LineNumberReader;
import java.util.ArrayList;
import java.util.List;

public class Code {

   private static List<String> readFile(String filename)
   {
       List<String> fileline = new ArrayList<String>();

       try {

           FileReader in = new FileReader(filename);
           LineNumberReader reader = new LineNumberReader(in);

           String s = reader.readLine();
           while( s != null )
           {
               if(!s.startsWith("#"))
               {
                   fileline.add(s);
               }
               s = reader.readLine();
           }

           reader.close();
           in.close();
       }catch(Exception e)
       {
           e.printStackTrace();
       }

       return fileline;
   }

   public static void genarateCode(List<String> line)
   {
        String cr="\r\n";

       try{

           FileWriter fw = new FileWriter("class.java");
            for(int i = 0;i < line.size();i++)
            {
                String [] data = line.get(i).split(",");
                if(data[1].trim().equalsIgnoreCase("int"))
                {
                   fw.write("@SerializedName(\""+data[0]+"\")"+cr);
                   fw.write("private Integer "+toLowerCaseFirst(data[0])+";"+cr);
                }
                else if(data[1].trim().equalsIgnoreCase("string"))
                {
                    fw.write("@SerializedName(\""+data[0]+"\")"+cr);
                    fw.write("private String "+toLowerCaseFirst(data[0])+";"+cr);
                }
            }

            fw.write(cr);
            fw.write(cr);

            for(int i = 0;i < line.size();i++)
             {
                 String [] data = line.get(i).split(",");
                 if(data[1].trim().equalsIgnoreCase("int"))
                 {
                     fw.write("public void set"+data[0]+"(Integer value)"+cr);
                     fw.write("{"+cr);
                     fw.write("    "+toLowerCaseFirst(data[0])+"="+"value;"+cr);
                     fw.write("}"+cr);

                     fw.write("public Integer get"+data[0]+"()"+cr);
                     fw.write("{"+cr);
                     fw.write("    return "+toLowerCaseFirst(data[0])+";"+cr);
                     fw.write("}"+cr);
                 }
                 else if(data[1].trim().equalsIgnoreCase("string"))
                 {
                     fw.write("public void set"+data[0]+"(String value)"+cr);
                   fw.write("{"+cr);
                   fw.write("    "+toLowerCaseFirst(data[0])+"="+"value;"+cr);
                   fw.write("}"+cr);

                   fw.write("public String get"+data[0]+"()"+cr);
                   fw.write("{"+cr);
                   fw.write("    return "+toLowerCaseFirst(data[0])+";"+cr);
                   fw.write("}"+cr);
                 }
             }

            fw.close();
       }catch(Exception e)
       {

       }
   }

   public static String toLowerCaseFirst(String str)
   {
       StringBuilder sb = new StringBuilder(str);
       sb.setCharAt(0, Character.toLowerCase(sb.charAt(0)));
       str = sb.toString();
       return str;
   }

   public static void main(String args[])
   {

       List<String> fileline = readFile("field.txt");

          genarateCode(fileline);
          System.out.println("success!");

   }

}