FELIX-1947: [Karaf] Remove import java.util.* from karaf.main.StringMap and replace with proper import list.

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@906440 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/karaf/main/src/main/java/org/apache/felix/karaf/main/StringMap.java b/karaf/main/src/main/java/org/apache/felix/karaf/main/StringMap.java
index ce6e00d..4ef648f 100644
--- a/karaf/main/src/main/java/org/apache/felix/karaf/main/StringMap.java
+++ b/karaf/main/src/main/java/org/apache/felix/karaf/main/StringMap.java
@@ -18,7 +18,9 @@
  */
 package org.apache.felix.karaf.main;
 
-import java.util.*;
+import java.util.Comparator;
+import java.util.Map;
+import java.util.TreeMap;
 
 /**
  * Simple utility class that creates a map for string-based keys by
@@ -92,4 +94,4 @@
             m_isCaseSensitive = b;
         }
     }
-}
\ No newline at end of file
+}
diff --git a/karaf/main/src/test/java/org/apache/felix/karaf/main/StringMapTest.java b/karaf/main/src/test/java/org/apache/felix/karaf/main/StringMapTest.java
new file mode 100644
index 0000000..9ce6389
--- /dev/null
+++ b/karaf/main/src/test/java/org/apache/felix/karaf/main/StringMapTest.java
@@ -0,0 +1,38 @@
+/*
+ * 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.felix.karaf.main;
+
+import junit.framework.TestCase;
+
+/**
+ * Test cased for {@link org.apache.felix.karaf.main.StringMap}
+ */
+public class StringMapTest extends TestCase {
+
+    public void testPut() throws Exception {
+        StringMap sm = new StringMap();
+        Object key = new String("key");
+        Object value = new String("value");
+        sm.put(key, value);
+        Object result = sm.get(key);
+        assertFalse(result == null);
+        assertTrue(result.equals(value));
+    }
+
+}