1 files changed, 12 insertions, 3 deletions
diff --git a/src/provider/CompositeResultListener.java b/src/provider/CompositeResultListener.java
index 3db91da..bc8ad74 100644
--- a/src/provider/CompositeResultListener.java
+++ b/src/provider/CompositeResultListener.java
@@ -1,9 +1,9 @@
 package provider;
 
+import java.io.Closeable;
 import java.util.ArrayList;
 import java.util.List;
-import java.util.Set;
-import java.util.TreeSet;
+import org.apache.commons.io.IOUtils;
 import org.json.JSONObject;
 
 /**
@@ -11,7 +11,7 @@ import org.json.JSONObject;
  *
  * @author Peter Wu
  */
-public class CompositeResultListener implements ResultListener {
+public class CompositeResultListener implements ResultListener, Closeable {
 
     private final List<ResultListener> listeners;
 
@@ -53,4 +53,13 @@ public class CompositeResultListener implements ResultListener {
             rl.profileGenerated(obj);
         }
     }
+
+    @Override
+    public void close() {
+        for (ResultListener rl : listeners) {
+            if (rl instanceof Closeable) {
+                IOUtils.closeQuietly((Closeable) rl);
+            }
+        }
+    }
 }