001/**
002 * #-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=#
003 *   This file is part of the LDP4j Project:
004 *     http://www.ldp4j.org/
005 *
006 *   Center for Open Middleware
007 *     http://www.centeropenmiddleware.com/
008 * #-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=#
009 *   Copyright (C) 2014 Center for Open Middleware.
010 * #-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=#
011 *   Licensed under the Apache License, Version 2.0 (the "License");
012 *   you may not use this file except in compliance with the License.
013 *   You may obtain a copy of the License at
014 *
015 *             http://www.apache.org/licenses/LICENSE-2.0
016 *
017 *   Unless required by applicable law or agreed to in writing, software
018 *   distributed under the License is distributed on an "AS IS" BASIS,
019 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
020 *   See the License for the specific language governing permissions and
021 *   limitations under the License.
022 * #-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=#
023 *   Artifact    : org.ldp4j.framework:ldp4j-application-api:0.2.0
024 *   Bundle      : ldp4j-application-api-0.2.0.jar
025 * #-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=#
026 */
027package org.ldp4j.application.ext;
028
029import org.ldp4j.application.session.ResourceSnapshot;
030import org.ldp4j.application.data.DataSet;
031
032/**
033 * Interface to be implemented for handling RDF Source LDP resources. <br/>
034 * <br/>
035 *
036 * Handler implementations can be further extended by implementing the
037 * {@link Deletable} and/or {@link Modifiable} interfaces.
038 */
039public interface ResourceHandler {
040
041  /**
042   * Get a representation of a resource managed by the resource handler.
043   *
044   * @param resource
045   *            the resource whose representation is to be retrieved.
046   * @return the data set that represents the specified resource.
047   * @throws UnknownResourceException
048   *             if the resource handler does not manage the specified
049   *             resource.
050   * @throws ApplicationRuntimeException
051   *             if an internal exception prevents the retrieval of the
052   *             representation.
053   */
054  DataSet get(ResourceSnapshot resource) throws UnknownResourceException;
055
056}