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}