/*
 * 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
 *
 *      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
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package org.springframework.expression;

Implementers of this interface are expected to be able to locate types. They may use a custom ClassLoader and/or deal with common package prefixes (e.g. java.lang) however they wish.

See StandardTypeLocator for an example implementation.

Author:Andy Clement
Since:3.0
/** * 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. String or java.lang.String).
Params:
  • typeName – the type to be located
Throws:
Returns:the Class object representing that type
/** * 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; }