53 lines
1.8 KiB
Java
53 lines
1.8 KiB
Java
package net.Broken.Tools;
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import java.io.BufferedReader;
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import java.io.IOException;
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import java.io.InputStreamReader;
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import java.net.URL;
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import java.net.URLConnection;
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public class FindContentOnWebPage {
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/**
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* Find picture URL on webPage
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* @param url Web Page URL
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* @param divClass Div class where the picture is
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* @param htmlType HTML tag of image (img)
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* @return Picture URL
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* @throws IOException
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*/
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public static String doYourJob(String url, String divClass, String htmlType) throws IOException {
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System.out.println(url);
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String source = getSourceUrl(url);
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int divIndex = source.indexOf("class=\""+divClass);
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String sub = source.substring(divIndex);
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// System.out.println(sub);
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sub = sub.replace(divClass,"");
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sub = sub.substring(sub.indexOf(htmlType));
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sub = sub.substring(sub.indexOf("src"));
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sub = sub.replace("src=\"","");
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String[] split = sub.split("\"");
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// System.out.println(split[0]);
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return split[0];
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}
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/**
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* Get source code of web page
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* @param url Web page URL
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* @return Web page source as String
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* @throws IOException
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*/
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public static String getSourceUrl(String url) throws IOException {
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URL urlC = new URL(url);
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URLConnection yc = urlC.openConnection();
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yc.setRequestProperty("User-Agent","Googlebot/2.1 (+http://www.googlebot.com/bot.html)");
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BufferedReader in = new BufferedReader(new InputStreamReader(
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yc.getInputStream(), "UTF-8"));
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String inputLine;
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StringBuilder a = new StringBuilder();
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while ((inputLine = in.readLine()) != null)
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a.append(inputLine);
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in.close();
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return a.toString();
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}
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} |