loadtext.java

来自「PIY(Program It Yourself)是一个基于Java的应用程序开发」· Java 代码 · 共 35 行

package piy.action;

import piy.PIYAction;
import piy.FixedProperty;
import java.io.*;

/**
* Loads text from a file into a String object, then returns the string.
*
* @author David Vivash
* @version 1.0, 28/04/01
*/
public class LoadText implements PIYAction, Serializable {
	private FixedProperty loadFrom = new FixedProperty(null, File.class);

	public FixedProperty getLoadFrom() { return loadFrom; }
	public void setLoadFrom(FixedProperty file) { loadFrom = file; }

	public Class getReturnType() { return String.class; }
	
	public Object execute() {		
		byte[] text = null;
	
		try {
			FileInputStream input = new FileInputStream((File)loadFrom.getActualValue());
			input.read(text = new byte[input.available()]);
			input.close();	
		} catch (Exception e) {
			System.out.println("Couldn't load text file: " + loadFrom);
		}

		return new String(text);
	}

}