Make the functional static builder optional (#105)

Closes #100

record-builder-core/src/main/java/io/soabase/recordbuilder/core/RecordBuilder.java

@@ -246,6 +246,12 @@ public @interface RecordBuilder {
          * name of that class.
          */
         String fromWithClassName() default "_FromWith";
+
+        /**
+         * If true, a functional-style builder is added so that record instances can be instantiated
+         * without {@code new}.
+         */
+        boolean addStaticBuilder() default true;
     }
 
     @Retention(RetentionPolicy.CLASS)

record-builder-processor/src/main/java/io/soabase/recordbuilder/processor/InternalRecordBuilderProcessor.java

@@ -81,7 +81,9 @@ class InternalRecordBuilderProcessor {
             addBeanNestedClass();
         }
         addDefaultConstructor();
+        if (metaData.addStaticBuilder()) {
             addStaticBuilder();
+        }
         if (recordComponents.size() > 0) {
             addAllArgsConstructor();
         }

record-builder-test/src/main/java/io/soabase/recordbuilder/test/NoStaticBuilder.java

@@ -0,0 +1,23 @@
+package io.soabase.recordbuilder.test;
+
+import io.soabase.recordbuilder.core.RecordBuilder;
+
+/**
+ * Copyright 2019 Jordan Zimmerman
+ *
+ * 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.
+ */
+@RecordBuilder.Options(addStaticBuilder = false)
+@RecordBuilder
+public record NoStaticBuilder(String foo) {
+}

record-builder-test/src/test/java/io/soabase/recordbuilder/test/TestVariousOptions.java

@@ -15,13 +15,14 @@
  */
 package io.soabase.recordbuilder.test;
 
-import java.util.List;
 import org.junit.jupiter.api.Test;
 
-import static org.junit.jupiter.api.Assertions.assertEquals;
-import static org.junit.jupiter.api.Assertions.assertTrue;
+import java.util.List;
+import java.util.stream.Stream;
 
-public class TestCustomMethodNames {
+import static org.junit.jupiter.api.Assertions.*;
+
+public class TestVariousOptions {
 
   @Test
   public void builderGetsCustomSetterAndGetterNames() {
@@ -54,4 +55,15 @@ public class TestCustomMethodNames {
     assertEquals(List.of(2), obj.getTheList());
     assertTrue(obj.isTheBoolean());
   }
+
+  @Test
+  public void noStaticBuilder() {
+    boolean hasStaticBuilder = Stream.of(NoStaticBuilderBuilder.class.getDeclaredMethods())
+            .anyMatch(method -> method.getName().equals("NoStaticBuilder"));
+    assertFalse(hasStaticBuilder);
+
+    hasStaticBuilder = Stream.of(SimpleRecordBuilder.class.getDeclaredMethods())
+            .anyMatch(method -> method.getName().equals("SimpleRecord"));
+    assertTrue(hasStaticBuilder);
+  }
 }