Start work merging #2241

Author: cowtowncoder

src/main/java/com/fasterxml/jackson/databind/PropertyNamingStrategy.java

@@ -76,6 +76,15 @@ public class PropertyNamingStrategy // NOTE: was abstract until 2.7
      */
     public static final PropertyNamingStrategy KEBAB_CASE = new KebabCaseStrategy();
 
+    /**
+     * Naming convention widely used as configuration properties name, where words are in
+     * lower-case letters, separated by dots.
+     * See {@link LowerDotCaseStrategy} for details.
+     *
+     * @since 2.10
+     */
+    public static final PropertyNamingStrategy LOWER_DOT_CASE = new LowerDotCaseStrategy();
+
     /*
     /**********************************************************
     /* API
@@ -396,7 +405,26 @@ public String translate(String input)
             return result.toString();
         }
     }
-    
+
+    /**
+     * Naming strategy similar to {@link KebabCaseStrategy}, but instead of hyphens
+     * as separators, uses dots. Naming convention widely used as configuration properties name.
+     *
+     * @since 2.10
+     */
+    public static class LowerDotCaseStrategy extends PropertyNamingStrategyBase {
+        /*
+        @Override
+        public String translate(String input){
+            return translateLowerCaseWithSeparator(input, '.');
+        }
+        */
+        @Override
+        public String translate(String input) {
+            return input.toLowerCase();
+        }
+    }
+
     /*
     /**********************************************************
     /* Deprecated variants, aliases

src/test/java/com/fasterxml/jackson/databind/BaseMapTest.java

@@ -233,14 +233,13 @@ protected static ObjectMapper newObjectMapper() {
         return new ObjectMapper();
     }
 
-    // @since 2.10s
+    // @since 2.10
     protected static JsonMapper.Builder objectMapperBuilder() {
-        /* 27-Aug-2018, tatu: Now this is weird -- with Java 7, we seem to need
-         *   explicit type parameters, but not with Java 8.
-         *   This need renders builder-approach pretty much useless for Java 7,
-         *   which is ok for 3.x (where baseline is Java 8), but potentially
-         *   problematic for 2.10. Oh well.
-         */
+        return JsonMapper.builder();
+    }
+
+    // @since 2.10
+    protected static JsonMapper.Builder jsonMapperBuilder() {
         return JsonMapper.builder();
     }
 

src/test/java/com/fasterxml/jackson/databind/introspect/TestNamingStrategyStd.java

@@ -337,6 +337,42 @@ public void testSimpleKebabCase() throws Exception
         assertEquals("Billy", result.firstName);
     }
 
+    /*
+    /**********************************************************
+    /* Test methods for LOWER_DOT_CASE
+    /**********************************************************
+     */
+
+    /*
+    public void testLowerCaseWithDotsStrategyStandAlone()
+    {
+        assertEquals("some.value",
+            PropertyNamingStrategy.LOWER_DOT_CASE.nameForField(null, null, "someValue"));
+        assertEquals("some.value",
+            PropertyNamingStrategy.LOWER_DOT_CASE.nameForField(null, null, "SomeValue"));
+        assertEquals("url",
+            PropertyNamingStrategy.LOWER_DOT_CASE.nameForField(null, null, "URL"));
+        assertEquals("url.stuff",
+            PropertyNamingStrategy.LOWER_DOT_CASE.nameForField(null, null, "URLStuff"));
+        assertEquals("some.url.stuff",
+            PropertyNamingStrategy.LOWER_DOT_CASE.nameForField(null, null, "SomeURLStuff"));
+    }
+
+    public void testSimpleLowerCaseWithDots() throws Exception
+    {
+        final ObjectMapper m = jsonMapperBuilder()
+            .propertyNamingStrategy(PropertyNamingStrategy.LOWER_DOT_CASE)
+            .build();
+
+        final FirstNameBean input = new FirstNameBean("Bob");
+        assertEquals(aposToQuotes("{'first.name':'Bob'}"), m.writeValueAsString(input));
+
+        FirstNameBean result = m.readValue(aposToQuotes("{'first.name':'Billy'}"),
+                FirstNameBean.class);
+        assertEquals("Billy", result.firstName);
+    }
+    */
+
     /*
     /**********************************************************
     /* Test methods, other