spring TypeLocator 源码
spring TypeLocator 代码
文件路径：/spring-expression/src/main/java/org/springframework/expression/TypeLocator.java
/*
* Copyright 2002-2016 the original author or authors.
*
* 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
*
* https://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.springframework.expression;
/**
* Implementers of this interface are expected to be able to locate types.
* They may use a custom {@link ClassLoader} and/or deal with common
* package prefixes (e.g. {@code java.lang}) however they wish.
*
* <p>See {@link org.springframework.expression.spel.support.StandardTypeLocator}
* for an example implementation.
*
* @author Andy Clement
* @since 3.0
*/
@FunctionalInterface
public interface TypeLocator {
/**
* Find a type by name. The name may or may not be fully qualified
* (e.g. {@code String} or {@code java.lang.String}).
* @param typeName the type to be located
* @return the {@code Class} object representing that type
* @throws EvaluationException if there is a problem finding the type
*/
Class<?> findType(String typeName) throws EvaluationException;
}
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