avoid exception logged when searching a cache

2 files changed, 4 insertions, 3 deletions

diff --git a/main/src/cgeo/geocaching/connector/oc/OCCZConnector.java b/main/src/cgeo/geocaching/connector/oc/OCCZConnector.java
index 0ffbbef..f1ece61 100644
--- a/main/src/cgeo/geocaching/connector/oc/OCCZConnector.java
+++ b/main/src/cgeo/geocaching/connector/oc/OCCZConnector.java
@@ -17,6 +17,9 @@ public class OCCZConnector extends OCConnector {
     @Override
     @Nullable
     public String getGeocodeFromUrl(@NonNull final String url) {
+        if (!StringUtils.containsIgnoreCase(url, "opencaching.cz")) {
+            return null;
+        }
         final String id = StringUtils.substringAfter(url, "cacheid=");
         try {
             final String geocode = GEOCODE_PREFIX + StringUtils.leftPad(Integer.toHexString(Integer.valueOf(id)), 4, '0');
diff --git a/tests/src/cgeo/geocaching/connector/oc/OCCZConnectorTest.java b/tests/src/cgeo/geocaching/connector/oc/OCCZConnectorTest.java
index bf271b3..52fc5c8 100644
--- a/tests/src/cgeo/geocaching/connector/oc/OCCZConnectorTest.java
+++ b/tests/src/cgeo/geocaching/connector/oc/OCCZConnectorTest.java
@@ -1,9 +1,6 @@
 package cgeo.geocaching.connector.oc;
 
 import static org.assertj.core.api.Assertions.assertThat;
-
-import cgeo.geocaching.connector.oc.OCCZConnector;
-
 import junit.framework.TestCase;
 
 public class OCCZConnectorTest extends TestCase {
@@ -11,6 +8,7 @@ public class OCCZConnectorTest extends TestCase {
     public static void testGetGeocodeFromUrl() throws Exception {
         final OCCZConnector connector = new OCCZConnector();
         assertThat(connector.getGeocodeFromUrl("http://opencaching.cz/viewcache.php?cacheid=610")).isEqualTo("OZ0262");
+        assertThat(connector.getGeocodeFromUrl("http://www.opencaching.de/viewcache.php?cacheid=151223")).isNull();
     }
 
 }