htmlpageretriever.java

这是一个用于测试用的搜索引擎的案例

package ir.webutils;

import java.net.*;


/**
 * HTMLPageRetriever allows clients to download web pages from URLs.
 * This is the default implementation, which performs no processing
 * aside from downloading web pages from a URL.  This class does not
 * maintain any state, so subclasses do not need to worry about
 * fields.
 *
 * @author Ted Wild */
public class HTMLPageRetriever {
    
    /**
     * Constructs a HTMLPageRetriever object.  Subclasses wishing to
     * behave as singletons do not need to worry about overriding the
     * constructor.  */
    public HTMLPageRetriever() {
    }

    /**
     * Downloads a web page from a given URL.
     *
     * @param link The <code>Link</code> with the URL to download the
     * page from.
     *
     * @return An <code>HTML</code> page representing the page
     * downloaded from the <code>Link</code>. */
    public HTMLPage getHTMLPage(Link link) throws PathDisallowedException {
	return new HTMLPage(link, WebPage.getWebPage(link.getURL()));
    }
}// HTMLPageRetriever