001/*
002 * Copyright 2002-2012 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.beans.factory.xml;
018
019/**
020 * Used by the {@link org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader} to
021 * locate a {@link NamespaceHandler} implementation for a particular namespace URI.
022 *
023 * @author Rob Harrop
024 * @since 2.0
025 * @see NamespaceHandler
026 * @see org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader
027 */
028public interface NamespaceHandlerResolver {
029
030        /**
031         * Resolve the namespace URI and return the located {@link NamespaceHandler}
032         * implementation.
033         * @param namespaceUri the relevant namespace URI
034         * @return the located {@link NamespaceHandler} (may be {@code null})
035         */
036        NamespaceHandler resolve(String namespaceUri);
037
038}