移除 EnumTypeHandler

mybatis-plus-extension/src/main/java/com/baomidou/mybatisplus/extension/handlers/EnumTypeHandler.java

@@ -1,122 +0,0 @@
-/*
- * Copyright (c) 2011-2020, baomidou (jobob@qq.com).
- * <p>
- * 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
- * <p>
- * https://www.apache.org/licenses/LICENSE-2.0
- * <p>
- * 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 com.baomidou.mybatisplus.extension.handlers;
-
-import com.baomidou.mybatisplus.annotation.EnumValue;
-import com.baomidou.mybatisplus.core.enums.IEnum;
-import com.baomidou.mybatisplus.core.toolkit.EnumUtils;
-import com.baomidou.mybatisplus.core.toolkit.ExceptionUtils;
-import com.baomidou.mybatisplus.core.toolkit.ReflectionKit;
-import org.apache.ibatis.logging.Log;
-import org.apache.ibatis.logging.LogFactory;
-import org.apache.ibatis.type.BaseTypeHandler;
-import org.apache.ibatis.type.JdbcType;
-
-import java.lang.reflect.Field;
-import java.lang.reflect.InvocationTargetException;
-import java.lang.reflect.Method;
-import java.sql.CallableStatement;
-import java.sql.PreparedStatement;
-import java.sql.ResultSet;
-import java.sql.SQLException;
-import java.util.Arrays;
-import java.util.Map;
-import java.util.Optional;
-import java.util.concurrent.ConcurrentHashMap;
-
-/**
- * 自定义枚举属性转换器
- *
- * @author hubin
- * @since 2017-10-11
- */
-@Deprecated
-public class EnumTypeHandler<E extends Enum<?>> extends BaseTypeHandler<Enum<?>> {
-
-    private static final Log LOGGER = LogFactory.getLog(EnumTypeHandler.class);
-
-    private static final Map<Class<?>, Method> TABLE_METHOD_OF_ENUM_TYPES = new ConcurrentHashMap<>();
-
-    private final Class<E> type;
-
-    private final Method method;
-
-    public EnumTypeHandler(Class<E> type) {
-        if (type == null) {
-            throw new IllegalArgumentException("Type argument cannot be null");
-        }
-        this.type = type;
-        if (IEnum.class.isAssignableFrom(type)) {
-            try {
-                this.method = type.getMethod("getValue");
-            } catch (NoSuchMethodException e) {
-                throw new IllegalArgumentException(String.format("NoSuchMethod getValue() in Class: %s.", type.getName()));
-            }
-        } else {
-            this.method = TABLE_METHOD_OF_ENUM_TYPES.computeIfAbsent(type, k -> {
-                Field field = dealEnumType(this.type).orElseThrow(() -> new IllegalArgumentException(String.format("Could not find @EnumValue in Class: %s.", type.getName())));
-                return ReflectionKit.getMethod(this.type, field);
-            });
-        }
-    }
-
-    @SuppressWarnings("Duplicates")
-    @Override
-    public void setNonNullParameter(PreparedStatement ps, int i, Enum<?> parameter, JdbcType jdbcType)
-        throws SQLException {
-        try {
-            this.method.setAccessible(true);
-            if (jdbcType == null) {
-                ps.setObject(i, this.method.invoke(parameter));
-            } else {
-                // see r3589
-                ps.setObject(i, this.method.invoke(parameter), jdbcType.TYPE_CODE);
-            }
-        } catch (IllegalAccessException e) {
-            LOGGER.error("unrecognized jdbcType, failed to set StringValue for type=" + parameter);
-        } catch (InvocationTargetException e) {
-            throw ExceptionUtils.mpe("Error: NoSuchMethod in %s.  Cause:", e, this.type.getName());
-        }
-    }
-
-    @Override
-    public E getNullableResult(ResultSet rs, String columnName) throws SQLException {
-        if (null == rs.getObject(columnName) && rs.wasNull()) {
-            return null;
-        }
-        return EnumUtils.valueOf(this.type, rs.getObject(columnName), this.method);
-    }
-
-    @Override
-    public E getNullableResult(ResultSet rs, int columnIndex) throws SQLException {
-        if (null == rs.getObject(columnIndex) && rs.wasNull()) {
-            return null;
-        }
-        return EnumUtils.valueOf(this.type, rs.getObject(columnIndex), this.method);
-    }
-
-    @Override
-    public E getNullableResult(CallableStatement cs, int columnIndex) throws SQLException {
-        if (null == cs.getObject(columnIndex) && cs.wasNull()) {
-            return null;
-        }
-        return EnumUtils.valueOf(this.type, cs.getObject(columnIndex), this.method);
-    }
-
-    public static Optional<Field> dealEnumType(Class<?> clazz) {
-        return clazz.isEnum() ? Arrays.stream(clazz.getDeclaredFields()).filter(field -> field.isAnnotationPresent(EnumValue.class)).findFirst() : Optional.empty();
-    }
-}