001/*
002 * Copyright 2002-2016 the original author or authors.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *      https://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package org.springframework.scripting.groovy;
018
019import groovy.lang.GroovyObject;
020
021/**
022 * Strategy used by {@link GroovyScriptFactory} to allow the customization of
023 * a created {@link GroovyObject}.
024 *
025 * <p>This is useful to allow the authoring of DSLs, the replacement of missing
026 * methods, and so forth. For example, a custom {@link groovy.lang.MetaClass}
027 * could be specified.
028 *
029 * @author Rod Johnson
030 * @since 2.0.2
031 * @see GroovyScriptFactory
032 */
033@FunctionalInterface
034public interface GroovyObjectCustomizer {
035
036        /**
037         * Customize the supplied {@link GroovyObject}.
038         * <p>For example, this can be used to set a custom metaclass to
039         * handle missing methods.
040         * @param goo the {@code GroovyObject} to customize
041         */
042        void customize(GroovyObject goo);
043
044}