AbstractMavenGitCodeFormatMojo#formatterOptions Map can be null

Author: reda-alaoui

core/src/main/java/com/cosium/code/format/AbstractMavenGitCodeFormatMojo.java

@@ -11,8 +11,10 @@
 import java.nio.file.Paths;
 import java.util.ArrayList;
 import java.util.Collection;
+import java.util.Collections;
 import java.util.List;
 import java.util.Map;
+import java.util.Optional;
 import java.util.ServiceLoader;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
@@ -85,7 +87,8 @@ private List<CodeFormatter> createCodeFormatters() {
     ServiceLoader.load(CodeFormatterFactory.class).forEach(formatterFactories::add);
 
     CodeFormatterConfigurationFactory formatterConfigurationFactory =
-        new CodeFormatterConfigurationFactory(formatterOptions);
+        new CodeFormatterConfigurationFactory(
+            Optional.ofNullable(formatterOptions).orElseGet(Collections::emptyMap));
 
     return formatterFactories.stream()
         .map(

core/src/main/java/com/cosium/code/format/formatter/CodeFormatterConfigurationFactory.java

@@ -1,5 +1,7 @@
 package com.cosium.code.format.formatter;
 
+import static java.util.Objects.requireNonNull;
+
 import com.cosium.code.format_spi.CodeFormatterConfiguration;
 import java.util.Map;
 
@@ -11,7 +13,7 @@ public class CodeFormatterConfigurationFactory {
   private final Map<String, String> globalConfiguration;
 
   public CodeFormatterConfigurationFactory(Map<String, String> globalConfiguration) {
-    this.globalConfiguration = globalConfiguration;
+    this.globalConfiguration = requireNonNull(globalConfiguration);
   }
 
   public CodeFormatterConfiguration build(String formatterConfigurationId) {