/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package edu.uci.ics.crawler4j.example.advanced;
import edu.uci.ics.crawler4j.crawler.HTMLParser;
import edu.uci.ics.crawler4j.crawler.Page;
import edu.uci.ics.crawler4j.crawler.PageFetchStatus;
import edu.uci.ics.crawler4j.crawler.PageFetcher;
import edu.uci.ics.crawler4j.url.WebURL;
public class Downloader {
// This class is not currently used and is only a demonstration of how
// the crawler4j infrastructure can be used to download a single page
// and extract its title and text
private HTMLParser htmlParser = new HTMLParser();
public Page download(String url) {
WebURL curURL = new WebURL();
curURL.setURL(url);
Page page = new Page(curURL);
int statusCode = PageFetcher.fetch(page, true);
if (statusCode == PageFetchStatus.OK) {
try {
htmlParser.parse(page.getHTML(), curURL.getURL());
page.setText(htmlParser.getText());
page.setTitle(htmlParser.getTitle());
return page;
} catch (Exception e) {
e.printStackTrace();
}
}
return null;
}
public static void main(String[] args) {
Downloader myDownloader = new Downloader();
Page page = myDownloader.download("http://ics.uci.edu");
if (page != null) {
System.out.println(page.getText());
}
}
}