Minor refactor

Author: emacarron

src/main/java/org/apache/ibatis/builder/xml/XMLMapperBuilder.java

@@ -217,7 +217,7 @@ private void parameterMapElement(List<XNode> list) throws Exception {
         String resultMap = parameterNode.getStringAttribute("resultMap");
         String mode = parameterNode.getStringAttribute("mode");
         String typeHandler = parameterNode.getStringAttribute("typeHandler");
-        Integer numericScale = parameterNode.getIntAttribute("numericScale", null);
+        Integer numericScale = parameterNode.getIntAttribute("numericScale");
         ParameterMode modeEnum = resolveParameterMode(mode);
         Class<?> javaTypeClass = resolveClass(javaType);
         JdbcType jdbcTypeEnum = resolveJdbcType(jdbcType);
@@ -253,7 +253,7 @@ private ResultMap resultMapElement(XNode resultMapNode, List<ResultMapping> addi
             resultMapNode.getStringAttribute("resultType",
                 resultMapNode.getStringAttribute("javaType"))));
     String extend = resultMapNode.getStringAttribute("extends");
-    Boolean autoMapping = resultMapNode.getBooleanAttribute("autoMapping", null);
+    Boolean autoMapping = resultMapNode.getBooleanAttribute("autoMapping");
     Class<?> typeClass = resolveClass(type);
     Discriminator discriminator = null;
     List<ResultMapping> resultMappings = new ArrayList<ResultMapping>();

src/main/java/org/apache/ibatis/builder/xml/XMLStatementBuilder.java

@@ -54,12 +54,10 @@ public void parseStatementNode() {
     String id = context.getStringAttribute("id");
     String databaseId = context.getStringAttribute("databaseId");
 
-    if (!databaseIdMatchesCurrent(id, databaseId, this.requiredDatabaseId)) {
-      return;
-    }
+    if (!databaseIdMatchesCurrent(id, databaseId, this.requiredDatabaseId)) return;
 
-    Integer fetchSize = context.getIntAttribute("fetchSize", null);
-    Integer timeout = context.getIntAttribute("timeout", null);
+    Integer fetchSize = context.getIntAttribute("fetchSize");
+    Integer timeout = context.getIntAttribute("timeout");
     String parameterMap = context.getStringAttribute("parameterMap");
     String parameterType = context.getStringAttribute("parameterType");
     Class<?> parameterTypeClass = resolveClass(parameterType);
@@ -192,5 +190,4 @@ private LanguageDriver getLanguageDriver(String lang) {
     return configuration.getLanguageRegistry().getDriver(langClass);
   }
 
-  
 }