ISD-AS assignment (#13)

* ISD-AS assignment

---------

Co-authored-by: Tilmann Zäschke <[email protected]>

Author: tzaeschke

CHANGELOG.md

@@ -7,7 +7,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 
-- Nothing yet
+### Fixed
+
+- ISD-AS assignment parser broken after website change
+  [#12](https://github.com/netsec-ethz/scion-java-multiping/pull/12)
 
 ## [0.4.0] - 2025-04-04
 

pom.xml

@@ -83,7 +83,7 @@
         <dependency>
             <groupId>org.scion</groupId>
             <artifactId>jpan</artifactId>
-            <version>0.5.1</version>
+            <version>0.5.3</version>
         </dependency>
 
         <dependency>

src/main/java/org/scion/multiping/util/DownloadAssignmentsFromWeb.java

@@ -17,14 +17,15 @@
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
+
 import org.jsoup.Jsoup;
 import org.jsoup.nodes.Document;
 import org.jsoup.nodes.Element;
 import org.scion.jpan.ScionUtil;
 
 public class DownloadAssignmentsFromWeb {
   private static final String HTTPS_URL =
-      "https://docs.anapaya.net/en/latest/resources/isd-as-assignments/";
+          "https://docs.anapaya.net/en/latest/resources/isd-as-assignments/";
 
   public static void main(String[] args) throws IOException {
     new DownloadAssignmentsFromWeb().jsoup();
@@ -42,22 +43,26 @@ public static List<ParseAssignments.HostEntry> getList() {
   public List<ParseAssignments.HostEntry> jsoup() throws IOException {
     List<ParseAssignments.HostEntry> result = new ArrayList<>(100);
     Document doc = Jsoup.connect(HTTPS_URL).get();
-    for (Element bc : doc.body().getElementsByAttributeValue("id", "isd-membership")) {
-      // System.out.println("eee " + bc);
-      for (Element bc2 : bc.getElementsByTag("tbody")) {
-        // System.out.println("eee2 " + bc2);
-        for (Element bc3 : bc2.children()) {
-          // System.out.println("eee3 " + bc3);
-          String isdAs = bc3.child(0).getElementsByTag("p").text();
-          String name = bc3.child(1).getElementsByTag("p").text();
-          // System.out.println(isdAs + " " + name);
-          result.add(new ParseAssignments.HostEntry(ScionUtil.parseIA(isdAs), name));
-          //                    for (Element bc4 : bc3.children()) {
-          //                        System.out.println("eee4 " + bc4.getElementsByTag("p").text());
-          //                    }
+
+    for (Element table : doc.getElementsByTag("table")) {
+      for (Element isd_as : table.getElementsContainingText("ISD-AS")) {
+        if ("table".equals(isd_as.tagName())) {
+          for (Element te : table.children()) {
+            if ("thead".equals(te.tagName())) {
+              continue;
+            }
+            for (Element te2 : te.children()) {
+              // System.out.println("     te3: " + te2.tag());
+              String isdAs = te2.child(0).getElementsByTag("td").text();
+              String name = te2.child(1).getElementsByTag("td").text();
+              // System.out.println(isdAs + " " + name);
+              result.add(new ParseAssignments.HostEntry(ScionUtil.parseIA(isdAs), name));
+            }
+          }
         }
       }
     }
+
     return result;
   }
 }