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1
2 import java.io.*;
3 import java.net.*;
4 import java.util.*;
5 import bplatt.spider.*;
6
7 public class SimpleSiteMapGen {
8 private String  site;
9 private final static String header = "<html><head><title>Site Map</title></head><body><ul>";
10 private final static String trailer = "</ul></body></html>";
11
12 public static void main(String [] args) {
13 if (args.length != 1) {
14 System.err.println("java SimpleSiteMapGen <url>");
15 System.exit(-1);
16 }
17 SimpleSiteMapGen s = new SimpleSiteMapGen(args[0]);
18 s.generate();
19 }
20
21 public SimpleSiteMapGen(String site) {
22 this.site = site;
23 }
24
25 public void generate() {
26 MySpider spider = null;
27 try { spider = new MySpider(site); }
28 catch(MalformedURLException e) {
29 System.err.println(e);
30 System.err.println("Invalid URL: "+site);
31 return;
32 }
33 System.out.println(header);
34 spider.traverse();
35 System.out.println(trailer);
36 }
37 }
38
39 class MySpider extends Arachnid {
40 public MySpider(String base) throws MalformedURLException
41 { super(base); }
42
43 protected void handleLink(PageInfo p) {
44 String link = p.getUrl().toString();
45 String title = p.getTitle();
46 if (link == null || title == null || link.length() == 0 || title.length() ==0) return;
47 else System.out.println("<li><a HREF=\""+link+"\">"+title+"</a></li>");
48 }
49 protected void handleBadLink(URL url,URL parent, PageInfo p) { }
50 protected void handleBadIO(URL url, URL parent) { }
51 protected void handleNonHTMLlink(URL url, URL parent,PageInfo p) { }
52 protected void handleExternalLink(URL url, URL parent) { }
53 } |
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Java API By Example, From Geeks To Geeks.