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 /*
  * 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.sling.api.resource;
Optional service to decorate Resources returned by the ResourceResolver. Typical use cases for a decorator are - overwrite resource type/resource super type (for example based on the resource path) - add metadata

Since:
2.1
public interface ResourceDecorator {

    
Decorate a resource. If the service decorates the resource it should return the new resource. If the service does not want to decorate the resource, it should return the original resource. Returning null is considered the same as returning the original resource.

Parameters:
resource The resource to decorate
Returns:
The decorated resource, the original resource or null.
    Resource decorate(Resource resource);

    
Decorate a resource. If the service decorates the resource it should return the new resource. If the service does not want to decorate the resource, it should return the original resource. Returning null is considered the same as returning the original resource.

Parameters:
resource The resource to decorate
request The current request.
Returns:
The decorated resource, the original resource or null.
    Resource decorate(Resource resourceHttpServletRequest request);
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