结束：全部代码：
（问什么不能带附件？）
TimerTask.java:
import java.util.*;
import org.apache.tools.ant.Task;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.BuildException;
/**
* TimerTask.java
* <p>Copyright: Copyright (c) 2003 你可以对本程序随意修改，复制，使用，但请保留这里注释声明！！！</p>
* @author 李尚强 blundblade@sina.com
*/
public class TimerTask extends Task {
private List fooList = new ArrayList();
private String action = ""; //init, print
private static final String TIME_PROPERTY_INTERNAL = "timer.msecs";
private static final String TIME_PROPERTY_NAME = "timer.passed";
public void execute() throws BuildException {
System.out.println("I am a timer");
System.out.println("but there are so many foos: " + fooList);
if (this.getOwningTarget() == null)
return;
Project proj = this.getOwningTarget().getProject();
String strTime = proj.getProperty(TIME_PROPERTY_INTERNAL);
try {
long currMSecs = System.currentTimeMillis();
if (action.equals("print")){
if (strTime == null)
proj.setProperty(TIME_PROPERTY_NAME, "Timer not initilized");
else {
long startMSecs = Long.parseLong(strTime);
long passedSecs = currMSecs - startMSecs;
int minutes = (int) ( passedSecs * 1.0 / (1000 * 60 * 60) );
int hours = minutes / 60;
minutes = minutes % 60;
strTime = hours + " hours " + minutes + " minutes";
proj.setProperty(TIME_PROPERTY_NAME, strTime);
}
}
else if (action.equals("init")) {
proj.setProperty(TIME_PROPERTY_INTERNAL, Long.toString(currMSecs));
}
}
catch (NumberFormatException nfe) {
throw new BuildException(nfe.getMessage());
}
}
public void addFoo(FooTask foo){
fooList.add(foo);
}
/**
* @return
*/
public String getAction() {
return action;
}
/**
* @param string
*/
public void setAction(String string) {
action = string;
}
}