SLING-4294 - Servlet Filter Support adding sling.filter.pattern support

* added IT

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1656695 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/main/java/org/apache/sling/launchpad/testservices/filters/SlingFilterWithPattern.java b/src/main/java/org/apache/sling/launchpad/testservices/filters/SlingFilterWithPattern.java
new file mode 100644
index 0000000..c7ba64a
--- /dev/null
+++ b/src/main/java/org/apache/sling/launchpad/testservices/filters/SlingFilterWithPattern.java
@@ -0,0 +1,41 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.sling.launchpad.testservices.filters;
+
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Properties;
+import org.apache.felix.scr.annotations.Property;
+import org.apache.felix.scr.annotations.Service;
+
+/** Example/test Filter with sling.filter.pattern see also SLING-4294 */
+@Component(immediate=true, metatype=false)
+@Service(value=javax.servlet.Filter.class)
+@Properties({
+    @Property(name="service.description", value="SlingFilter Test Filter"),
+    @Property(name="service.vendor", value="The Apache Software Foundation"),
+    @Property(name="filter.scope", value="request"),
+    @Property(name="sling.filter.scope", value="request"),
+    @Property(name="sling.filter.pattern", value="/system.*")
+})
+public class SlingFilterWithPattern extends TestFilter {
+
+    @Override
+    protected String getHeaderName() {
+        return "FILTER_COUNTER_SLING_WITH_PATTERN";
+    }
+
+}