home.java

Enjoy Web Dev With Tapestry 一书的源代码

package com.ttdev.album;

import org.apache.tapestry.*;
import org.apache.tapestry.annotations.*;
import org.apache.tapestry.engine.*;
import org.apache.tapestry.html.*;

public abstract class Home extends BasePage {
	@InjectObject("engine-service:image")
	public abstract IEngineService getImageService();

	public String getImageUrl(int imageId) {
		return getImageService().getLink(false,
				new Object[] { Integer.toString(imageId) }).getURL();
	}

	public abstract String getImageId();

	public void onOk() {
		throw new RedirectException(getImageUrl(Integer.parseInt(getImageId())));
	}
}