Factor out some common code

Author: jeffgbutler

src/main/java/org/mybatis/dynamic/sql/insert/render/BatchInsertRenderer.java

@@ -18,11 +18,9 @@
 import static org.mybatis.dynamic.sql.util.StringUtilities.spaceBefore;
 
 import java.util.Objects;
-import java.util.function.Function;
 
 import org.mybatis.dynamic.sql.insert.BatchInsertModel;
 import org.mybatis.dynamic.sql.render.RenderingStrategy;
-import org.mybatis.dynamic.sql.util.InsertMapping;
 
 public class BatchInsertRenderer<T> {
 
@@ -36,22 +34,14 @@ private BatchInsertRenderer(Builder<T> builder) {
 
     public BatchInsert<T> render() {
         ValuePhraseVisitor visitor = new ValuePhraseVisitor(renderingStrategy, "record"); //$NON-NLS-1$
-        FieldAndValueCollector collector = model.mapColumnMappings(toFieldAndValue(visitor))
+        FieldAndValueCollector collector = model.mapColumnMappings(MultiRowRenderingUtilities.toFieldAndValue(visitor))
                 .collect(FieldAndValueCollector.collect());
 
         return BatchInsert.withRecords(model.records())
                 .withInsertStatement(calculateInsertStatement(collector))
                 .build();
     }
 
-    private Function<InsertMapping, FieldAndValue> toFieldAndValue(ValuePhraseVisitor visitor) {
-        return insertMapping -> toFieldAndValue(visitor, insertMapping);
-    }
-    
-    private FieldAndValue toFieldAndValue(ValuePhraseVisitor visitor, InsertMapping insertMapping) {
-        return insertMapping.accept(visitor);
-    }
-
     private String calculateInsertStatement(FieldAndValueCollector collector) {
         return "insert into" //$NON-NLS-1$
                 + spaceBefore(model.table().tableNameAtRuntime())

src/main/java/org/mybatis/dynamic/sql/insert/render/MultiRowInsertRenderer.java

@@ -18,11 +18,9 @@
 import static org.mybatis.dynamic.sql.util.StringUtilities.spaceBefore;
 
 import java.util.Objects;
-import java.util.function.Function;
 
 import org.mybatis.dynamic.sql.insert.MultiRowInsertModel;
 import org.mybatis.dynamic.sql.render.RenderingStrategy;
-import org.mybatis.dynamic.sql.util.InsertMapping;
 
 public class MultiRowInsertRenderer<T> {
 
@@ -36,22 +34,14 @@ private MultiRowInsertRenderer(Builder<T> builder) {
 
     public MultiRowInsertStatementProvider<T> render() {
         ValuePhraseVisitor visitor = new ValuePhraseVisitor(renderingStrategy, "records[%s]"); //$NON-NLS-1$
-        FieldAndValueCollector collector = model.mapColumnMappings(toFieldAndValue(visitor))
+        FieldAndValueCollector collector = model.mapColumnMappings(MultiRowRenderingUtilities.toFieldAndValue(visitor))
                 .collect(FieldAndValueCollector.collect());
 
         return new DefaultMultiRowInsertStatementProvider.Builder<T>().withRecords(model.records())
                 .withInsertStatement(calculateInsertStatement(collector))
                 .build();
     }
 
-    private Function<InsertMapping, FieldAndValue> toFieldAndValue(ValuePhraseVisitor visitor) {
-        return insertMapping -> toFieldAndValue(visitor, insertMapping);
-    }
-    
-    private FieldAndValue toFieldAndValue(ValuePhraseVisitor visitor, InsertMapping insertMapping) {
-        return insertMapping.accept(visitor);
-    }
-
     private String calculateInsertStatement(FieldAndValueCollector collector) {
         return "insert into" //$NON-NLS-1$
                 + spaceBefore(model.table().tableNameAtRuntime())

src/main/java/org/mybatis/dynamic/sql/insert/render/MultiRowRenderingUtilities.java

@@ -0,0 +1,33 @@
+/**
+ *    Copyright 2016-2019 the original author or authors.
+ *
+ *    Licensed under the Apache License, Version 2.0 (the "License");
+ *    you may not use this file except in compliance with the License.
+ *    You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *    Unless required by applicable law or agreed to in writing, software
+ *    distributed under the License is distributed on an "AS IS" BASIS,
+ *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *    See the License for the specific language governing permissions and
+ *    limitations under the License.
+ */
+package org.mybatis.dynamic.sql.insert.render;
+
+import java.util.function.Function;
+
+import org.mybatis.dynamic.sql.util.InsertMapping;
+
+public class MultiRowRenderingUtilities {
+    
+    private MultiRowRenderingUtilities() {}
+    
+    public static Function<InsertMapping, FieldAndValue> toFieldAndValue(ValuePhraseVisitor visitor) {
+        return insertMapping -> MultiRowRenderingUtilities.toFieldAndValue(visitor, insertMapping);
+    }
+    
+    public static FieldAndValue toFieldAndValue(ValuePhraseVisitor visitor, InsertMapping insertMapping) {
+        return insertMapping.accept(visitor);
+    }
+}