Java SE 6 新特性: 编译器 API

01 package compile;
02 import java.util.Date;
03 public class Target {
04   public void doSomething(){
05     Date date = new Date(10, 3, 3); 
         // 这个构造函数被标记为deprecated, 编译时会
         // 向错误输出输出信息。
06     System.out.println("Doing...");
07   }
08 }

09 package compile;
10 import javax.tools.*;
11 import java.io.FileOutputStream;
12 public class Compiler {
13   public static void main(String[] args) throws Exception{
14     String fullQuanlifiedFileName = "compile" + java.io.File.separator +
             "Target.java";     
15     JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();

16     FileOutputStream err = new FileOutputStream("err.txt");

17     int compilationResult = compiler.run(null, null, err, fullQuanlifiedFileName);

18     if(compilationResult == 0){
19       System.out.println("Done");
20     } else {
21       System.out.println("Fail");
22     }
23   }
24 }
   

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