AutoMapper 增加 useEnums 属性，支持手动配置转换时需要的枚举，解决跨模块枚举无法自动转换的问题。

mapstruct-plus-processor/src/main/java/io/github/linpeilie/processor/AbstractAdapterMapperGenerator.java

@@ -12,7 +12,6 @@ import io.github.linpeilie.processor.metadata.AbstractAdapterMethodMetadata;
 import io.github.linpeilie.processor.metadata.AdapterMapMethodMetadata;
 import io.github.linpeilie.processor.metadata.AdapterMethodMetadata;
 import io.github.linpeilie.utils.ClassUtil;
-import io.github.linpeilie.utils.MapperUtils;
 import java.io.IOException;
 import java.io.Writer;
 import java.util.ArrayList;

mapstruct-plus-processor/src/main/java/io/github/linpeilie/processor/AutoMapperProcessor.java

@@ -29,6 +29,7 @@ import io.github.linpeilie.processor.metadata.AutoMapMapperMetadata;
 import io.github.linpeilie.processor.metadata.AutoMapperMetadata;
 import io.github.linpeilie.processor.metadata.AutoMappingMetadata;
 import io.github.linpeilie.processor.utils.ExceptionUtils;
+import io.github.linpeilie.processor.utils.MapperUtils;
 import io.github.linpeilie.processor.utils.ObjectUtils;
 import io.github.linpeilie.utils.CollectionUtils;
 import io.github.linpeilie.utils.StrUtil;
@@ -756,7 +757,15 @@ public class AutoMapperProcessor extends AbstractProcessor {
 
         AutoMapperMetadata metadata = initAutoMapperMetadata(source, target, autoMapperGem.cycleAvoiding().get());
 
-        metadata.setUsesClassNameList(transToClassNameList(autoMapperGem.uses().get()));
+        List<ClassName> usesClassNameList = transToClassNameList(autoMapperGem.uses().get());
+        List<ClassName> useEnumClassNameList = transToClassNameList(autoMapperGem.useEnums().get()).stream()
+            .map(enumClass -> ClassName.get(MapperUtils.getMapperPackage(enumClass.packageName()),
+                MapperUtils.getEnumMapperClassName(enumClass.simpleName())))
+            .collect(Collectors.toList());
+
+        usesClassNameList.addAll(useEnumClassNameList);
+
+        metadata.setUsesClassNameList(usesClassNameList);
         metadata.setImportsClassNameList(transToClassNameList(autoMapperGem.imports().get()));
         metadata.setFieldMappingList(autoMappingMetadataList);
         metadata.setFieldReverseMappingList(reverseMappingMetadataList);
@@ -966,7 +975,7 @@ public class AutoMapperProcessor extends AbstractProcessor {
 
     private List<ClassName> transToClassNameList(List<TypeMirror> typeMirrors) {
         if (typeMirrors == null) {
-            return Collections.emptyList();
+            return new ArrayList<>();
         }
         return typeMirrors.stream()
             .map(this::transToClassName)

mapstruct-plus-processor/src/main/java/io/github/linpeilie/processor/metadata/AbstractMapperMetadata.java

@@ -2,6 +2,7 @@ package io.github.linpeilie.processor.metadata;
 
 import com.squareup.javapoet.ClassName;
 import io.github.linpeilie.processor.AutoMapperProperties;
+import io.github.linpeilie.processor.utils.MapperUtils;
 import io.github.linpeilie.utils.StrUtil;
 
 public abstract class AbstractMapperMetadata {
@@ -9,8 +10,7 @@ public abstract class AbstractMapperMetadata {
     protected ClassName sourceClassName;
 
     public String mapperPackage() {
-        return StrUtil.isNotEmpty(AutoMapperProperties.getMapperPackage())
+        return MapperUtils.getMapperPackage(sourceClassName.packageName());
-               ? AutoMapperProperties.getMapperPackage() : sourceClassName.packageName();
     }
 
     public abstract String mapperName();

mapstruct-plus-processor/src/main/java/io/github/linpeilie/processor/metadata/AdapterMethodMetadata.java

@@ -2,7 +2,6 @@ package io.github.linpeilie.processor.metadata;
 
 import com.squareup.javapoet.ClassName;
 import io.github.linpeilie.utils.ClassUtil;
-import io.github.linpeilie.utils.MapperUtils;
 
 public class AdapterMethodMetadata extends AbstractAdapterMethodMetadata {
 

mapstruct-plus-processor/src/main/java/io/github/linpeilie/processor/metadata/AutoEnumMapperMetadata.java

@@ -1,7 +1,7 @@
 package io.github.linpeilie.processor.metadata;
 
-import com.squareup.javapoet.ClassName;
 import com.squareup.javapoet.TypeName;
+import io.github.linpeilie.processor.utils.MapperUtils;
 
 public class AutoEnumMapperMetadata extends AbstractMapperMetadata {
 
@@ -27,7 +27,7 @@ public class AutoEnumMapperMetadata extends AbstractMapperMetadata {
 
     @Override
     public String mapperName() {
-        return sourceClassName.simpleName() + "Mapper";
+        return MapperUtils.getEnumMapperClassName(sourceClassName.simpleName());
     }
 
     public String toEnumMethodName() {

mapstruct-plus-processor/src/main/java/io/github/linpeilie/processor/metadata/AutoMapperMetadata.java

@@ -1,7 +1,7 @@
 package io.github.linpeilie.processor.metadata;
 
 import com.squareup.javapoet.ClassName;
-import io.github.linpeilie.utils.MapperUtils;
+import io.github.linpeilie.processor.utils.MapperUtils;
 import io.github.linpeilie.utils.StrUtil;
 import java.util.List;
 import org.mapstruct.NullValueMappingStrategy;
@@ -23,6 +23,8 @@ public class AutoMapperMetadata extends AbstractMapperMetadata {
 
     private List<ClassName> usesClassNameList;
 
+    private List<ClassName> useEnumClassNameList;
+
     private List<ClassName> importsClassNameList;
 
     private List<AutoMappingMetadata> fieldMappingList;
@@ -107,6 +109,14 @@ public class AutoMapperMetadata extends AbstractMapperMetadata {
         return this;
     }
 
+    public List<ClassName> getUseEnumClassNameList() {
+        return useEnumClassNameList;
+    }
+
+    public void setUseEnumClassNameList(List<ClassName> useEnumClassNameList) {
+        this.useEnumClassNameList = useEnumClassNameList;
+    }
+
     public List<ClassName> getImportsClassNameList() {
         return importsClassNameList;
     }

mapstruct-plus-processor/src/main/java/io/github/linpeilie/processor/utils/MapperUtils.java

@@ -1,4 +1,7 @@
-package io.github.linpeilie.utils;
+package io.github.linpeilie.processor.utils;
+
+import io.github.linpeilie.processor.AutoMapperProperties;
+import io.github.linpeilie.utils.StrUtil;
 
 public class MapperUtils {
 
@@ -11,4 +14,14 @@ public class MapperUtils {
         return mapperClassName.substring(0, 1).toUpperCase() + mapperClassName.substring(1) + "Mapper";
     }
 
+    public static String getEnumMapperClassName(String sourceSimpleName) {
+        return sourceSimpleName + "Mapper";
+    }
+
+    public static String getMapperPackage(String sourcePackage) {
+        return StrUtil.isNotEmpty(AutoMapperProperties.getMapperPackage())
+               ? AutoMapperProperties.getMapperPackage() : sourcePackage;
+
+    }
+
 }

mapstruct-plus/src/main/java/io/github/linpeilie/annotations/AutoMapper.java

@@ -29,6 +29,11 @@ public @interface AutoMapper {
 
     Class<?>[] uses() default {};
 
+    /**
+     * 转换需要依赖的枚举，依赖的枚举，需要被 AutoEnumMapper 所注解
+     */
+    Class<?>[] useEnums() default {};
+
     Class<?>[] imports() default {};
 
     /**