content: /**
   *  Licensed to the Apache Software Foundation (ASF) under one or more
   *  contributor license agreements.  See the NOTICE file distributed with
   *  this work for additional information regarding copyright ownership.
   *  The ASF licenses this file to You 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
   *  limitations under the License.
   */
  package org.apache.aries.blueprint.spring;
  
  import java.net.URI;
  
  import org.apache.aries.blueprint.NamespaceHandler;
  import org.apache.aries.blueprint.ParserContext;
  import org.osgi.service.blueprint.container.ComponentDefinitionException;
  import org.springframework.beans.factory.xml.NamespaceHandlerResolver;
  
  public class SpringNamespaceHandlerResolver implements NamespaceHandlerResolver {
  
      private final ParserContext parserContext;
  
      public SpringNamespaceHandlerResolver(ParserContext parserContext) {
          this.parserContext = parserContext;
      }
  
      @Override
      public org.springframework.beans.factory.xml.NamespaceHandler resolve(String namespaceUri) {
          try {
              NamespaceHandler handler = parserContext.getNamespaceHandler(URI.create(namespaceUri));
              if (handler instanceof BlueprintNamespaceHandler) {
                  return ((BlueprintNamespaceHandler) handler).getSpringHandler();
              }
              else if (handler != null) {
                  return new SpringNamespaceHandler(parserContext, handler);
              }
          } catch (ComponentDefinitionException e) {
              // Ignore
          }
          return null;
      }
  }
  