mytask.java

ant个人练习

package zhimin;

import java.io.*;
import java.util.*;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Task;

public class MyTask extends Task{
	private File file = null;
	private String text = "默认文本";
	
	public void setFile(File file){
		this.file = file;
	}
	
	public void setText(String text){
		if(text == null)
			text = "空值";
		else
			this.text = text;
	}
	
	public void execute() throws BuildException{
		PrintWriter printer = null;
		
		try{
			if(!file.exists())
				file.createNewFile();
			printer = new PrintWriter(file);
			printer.println(this.text);
			
		}catch(Exception ex){
			throw new BuildException(ex);
		}finally{
			if(printer != null){
				try	{
					printer.close();
				}catch(Exception ex){
				}
			}
		}
	}
}