From 227ddf4217e880858325f77f5f1502d88c9a15af Mon Sep 17 00:00:00 2001
From: "hyeongseok.heo" <hyeongseok.heo@samsung.com>
Date: Wed, 11 Dec 2013 13:36:45 +0900
Subject: [PATCH] COMMON : Add method to Preference

Add method which returns sorted list of keys in the Preference.

Refactoring some duplicated code.

Change-Id: Ia26c0501116b95add50893568db8b5b21d846431
Signed-off-by: hyeongseok.heo <hyeongseok.heo@samsung.com>
---
 .gitignore                                         |  2 ++
 .../src/org/tizen/common/config/Preference.java    | 31 +++++++++++++++++++---
 2 files changed, 29 insertions(+), 4 deletions(-)

diff --git a/.gitignore b/.gitignore
index e77d1db..a537aaa 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,6 +2,8 @@
 build_result
 bin
 *.class
+package/build
+package/dist
 common-eplugin_*.tar.gz
 common-eplugin_*_*.zip
 common-eplugin-test_*_*.zip
diff --git a/org.tizen.common/src/org/tizen/common/config/Preference.java b/org.tizen.common/src/org/tizen/common/config/Preference.java
index c076fbb..1e8286a 100755
--- a/org.tizen.common/src/org/tizen/common/config/Preference.java
+++ b/org.tizen.common/src/org/tizen/common/config/Preference.java
@@ -29,6 +29,8 @@ import java.util.Collection;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.HashSet;
+import java.util.Set;
+import java.util.TreeSet;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -187,15 +189,36 @@ Preference
         final String name
     )
     {
-        final HashSet<String> keys = new HashSet<String>();
-        //fixed by Harry Hyeongseok Heo 
-        //Fixed logic as JavaDoc says.
+        final Set<String> keys = new HashSet<String>();
+        return addAllKeys(name, keys);
+
+    }
+    
+    /**
+     * Return preference keys in namespace <code>name</code> with natural ordered.
+     * 
+     * @param name namespace name
+     * 
+     * @return preference keys
+     */
+    public static 
+    Collection<String>
+    sortedList(
+        final String name
+    )
+    {
+        final Set<String> keys = new TreeSet<String>();
+        return addAllKeys(name, keys);
+
+    }
+
+    private static Collection<String> addAllKeys(final String name,
+            final Set<String> keys) {
         PreferenceProvider preferenceProvider = name2provider.get(name);
         if( null != preferenceProvider) {
             keys.addAll( preferenceProvider.keys() );
         }
         return Collections.unmodifiableCollection( keys );
-
     }
     /* Value */
     /**
-- 
2.7.4