dubbo EnumTypeDefinitionBuilder 源码
dubbo EnumTypeDefinitionBuilder 代码
文件路径：/dubbo-metadata/dubbo-metadata-processor/src/main/java/org/apache/dubbo/metadata/annotation/processing/builder/EnumTypeDefinitionBuilder.java
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.dubbo.metadata.annotation.processing.builder;
import org.apache.dubbo.metadata.annotation.processing.util.FieldUtils;
import org.apache.dubbo.metadata.definition.model.TypeDefinition;
import javax.annotation.processing.ProcessingEnvironment;
import javax.lang.model.element.Element;
import javax.lang.model.element.Name;
import javax.lang.model.type.DeclaredType;
import java.util.Map;
import static org.apache.dubbo.metadata.annotation.processing.util.FieldUtils.getDeclaredFields;
import static org.apache.dubbo.metadata.annotation.processing.util.TypeUtils.isEnumType;
/**
* {@link TypeBuilder} for Java {@link Enum}
*
* @since 2.7.6
*/
public class EnumTypeDefinitionBuilder implements DeclaredTypeDefinitionBuilder {
@Override
public boolean accept(ProcessingEnvironment processingEnv, DeclaredType type) {
return isEnumType(type);
}
@Override
public TypeDefinition build(ProcessingEnvironment processingEnv, DeclaredType type, Map<String, TypeDefinition> typeCache) {
TypeDefinition typeDefinition = new TypeDefinition(type.toString());
getDeclaredFields(type, FieldUtils::isEnumMemberField)
.stream()
.map(Element::getSimpleName)
.map(Name::toString)
.forEach(typeDefinition.getEnums()::add);
return typeDefinition;
}
@Override
public int getPriority() {
return MIN_PRIORITY - 2;
}
}
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