*) be more tolerant against missing ports in url

"http://yacy.net:/" is now interpreted as "http://yacy.net/"
   See: http://www.yacy-forum.de/viewtopic.php?p=27102

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@2852 6c8d7289-2bf4-0310-a012-ef5d649a1542

source/de/anomic/net/URL.java

@@ -371,13 +371,15 @@ public class URL {
     
     private void identPort(String inputURL) throws MalformedURLException {
         // identify ref in file
-        int r = host.indexOf(':');
+        int r = this.host.indexOf(':');
         if (r < 0) {
             this.port = -1;
-        } else {
+        } else {        	
             try {
-                this.port = Integer.parseInt(host.substring(r + 1));
-                this.host = host.substring(0, r);
+            	String portStr = this.host.substring(r + 1);
+                if (portStr.trim().length() > 0) this.port = Integer.parseInt(portStr);
+                else this.port =  -1;             	
+                this.host = this.host.substring(0, r);
             } catch (NumberFormatException e) {
                 throw new MalformedURLException("wrong port in host fragment '" + this.host + "' of input url '" + inputURL + "'");
             }

test/de/anomic/net/URLTest.java

@@ -37,4 +37,27 @@ public class URLTest extends TestCase {
 		}		
 	}
 	
+	public void testIdentPort() throws MalformedURLException {
+		String[][] testStrings = new String[][] {
+				new String[]{"http://www.yacy.net:","http://www.yacy.net/"},
+				new String[]{"http://www.yacy.net:-1","http://www.yacy.net/"},
+				new String[]{"http://www.yacy.net:/","http://www.yacy.net/"},
+				new String[]{"http://www.yacy.net: /","http://www.yacy.net/"}
+		};
+		
+		for (int i=0; i < testStrings.length; i++) {
+			// desired conversion result
+			System.out.print("testIdentPort: " + testStrings[i][0]);
+			String shouldBe = testStrings[i][1];
+			
+			// conversion result
+			String resolvedURL = (new URL(testStrings[i][0])).toString();
+			
+			// test if equal
+			assertEquals(shouldBe,resolvedURL);
+			System.out.println(" -> " + resolvedURL);
+			
+		}			
+	}
+	
 }