adds user agent to mediawikisystem

Author: WolfgangFahl

simplegraph-mediawiki/src/main/java/com/bitplan/simplegraph/mediawiki/MediaWikiSystem.java

@@ -35,6 +35,17 @@
 public class MediaWikiSystem extends SimpleSystemImpl implements SimpleSystem {
 
   SSLWiki wiki;
+  
+  private static final String USER_AGENT = 
+	      "SimpleGraph-MediaWiki/1.0 (https://github.com/BITPlan/com.bitplan.simplegraph; webmaster@bitplan.com)";
+  
+  static {
+    // Set default User-Agent for all HTTP connections made by this JVM
+    // This ensures ImageIO.read() and other URL-based operations include User-Agent
+    System.setProperty("http.agent", USER_AGENT);
+  }
+
+
   @Override
   public SimpleNode moveTo(String nodeQuery, String ...keys) {
     return new MediaWikiPageNode(this,nodeQuery,keys);

simplegraph-mediawiki/src/test/java/com/bitplan/simplegraph/mediawiki/TestMediaWikiSystem.java

@@ -58,7 +58,7 @@ public void testGetPage() throws Exception {
 
   @Test
   public void testGetImageInfo() throws Exception {
-    // debug = true;
+    debug = true;
     MediaWikiSystem mws = new MediaWikiSystem();
     MediaWikiPageNode pageNode = (MediaWikiPageNode) mws
         .connect("https://commons.wikimedia.org", "/w")