java 判断方法调用是否超时 设置方法调用的超时时间

package a;

import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.FutureTask;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;

public class Test {

	public static void main(String[] args) {
		getQingStorUrl();
	}

	private static void getQingStorUrl() {
		ExecutorService executor = Executors.newSingleThreadExecutor();
		FutureTask<String> future = new FutureTask<String>(new Callable<String>() {
			public String call() throws Exception {
				// TODO Auto-generated method stub
				Test m = new Test();
				return m.getValue();
			}
		});
		
		executor.execute(future);
		try {
			String result = future.get(1, TimeUnit.SECONDS);
			System.out.println(result);
		} catch (InterruptedException e) {
			// TODO: handle exception
			System.out.println("方法执行中断");
			 future.cancel(true);
		} catch (ExecutionException e) {
			System.out.println("Excution异常");
			// TODO: handle exception
			future.cancel(true);
		} catch (TimeoutException e) {
			// TODO: handle exception
			System.out.println("方法执行时间超时");
			future.cancel(true);
		}
		System.out.println("正常");
		// 关闭线程
		try { 
	        // 向学生传达“问题解答完毕后请举手示意！” 
	        executor.shutdown(); 
	        // 等待300毫秒后中断
	        if(!executor.awaitTermination(300, TimeUnit.MILLISECONDS)){ 
	            // 超时的时候向线程池中所有的线程发出中断(interrupted)。 
	            executor.shutdownNow(); 
	        } 
	    } catch (InterruptedException e) { 
	        // awaitTermination方法被中断的时候也中止线程池中全部的线程的执行。 
	        System.out.println("awaitTermination interrupted: " + e); 
	        executor.shutdownNow(); 
	    } 
	}

	public String getValue() {
		try {
//			Thread.sleep(2000);
		} catch (Exception e) {
			e.printStackTrace();// TODO: handle exception
		}
		return "拿到结果";
	}
}