src/java.management/share/classes/javax/management/ImmutableDescriptor.java

rev 52881 : 8214971: Replace use of string.equals("") with isEmpty()
Reviewed-by: jlaskey, prappo, lancea, dfuchs, redestad

@@ -108,11 +108,11 @@
             throw new IllegalArgumentException("Null Map");
         SortedMap<String, Object> map =
                 new TreeMap<String, Object>(String.CASE_INSENSITIVE_ORDER);
         for (Map.Entry<String, ?> entry : fields.entrySet()) {
             String name = entry.getKey();
-            if (name == null || name.equals(""))
+            if (name == null || name.isEmpty())
                 throw new IllegalArgumentException("Empty or null field name");
             if (map.containsKey(name))
                 throw new IllegalArgumentException("Duplicate name: " + name);
             map.put(name, entry.getValue());
         }

@@ -164,11 +164,11 @@
             throw new IllegalArgumentException("Different size arrays");
         SortedMap<String, Object> map =
                 new TreeMap<String, Object>(String.CASE_INSENSITIVE_ORDER);
         for (int i = 0; i < fieldNames.length; i++) {
             String name = fieldNames[i];
-            if (name == null || name.equals(""))
+            if (name == null || name.isEmpty())
                 throw new IllegalArgumentException("Empty or null field name");
             Object old = map.put(name, fieldValues[i]);
             if (old != null) {
                 throw new IllegalArgumentException("Duplicate field name: " +
                                                    name);

@@ -331,11 +331,11 @@
         if (fieldNames == null)
             return values.clone();
         Object[] result = new Object[fieldNames.length];
         for (int i = 0; i < fieldNames.length; i++) {
             String name = fieldNames[i];
-            if (name != null && !name.equals(""))
+            if (name != null && !name.isEmpty())
                 result[i] = getFieldValue(name);
         }
         return result;
     }
 

@@ -541,11 +541,11 @@
         else
             return d;
     }
 
     private static void checkIllegalFieldName(String name) {
-        if (name == null || name.equals(""))
+        if (name == null || name.isEmpty())
             illegal("Null or empty field name");
     }
 
     private static void unsupported() {
         UnsupportedOperationException uoe =