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) 2014-2016 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-kernel-api:0.2.1
024 *   Bundle      : ldp4j-application-kernel-api-0.2.1.jar
025 * #-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=#
026 */
027package org.ldp4j.application.kernel.resource;
028
029import org.ldp4j.application.kernel.template.ContainerTemplate;
030import org.ldp4j.application.kernel.template.ResourceTemplate;
031import org.ldp4j.application.kernel.template.SimpleTemplateVisitor;
032
033public final class Resources {
034
035  private static final class Checker extends SimpleTemplateVisitor {
036
037    private Class<? extends Resource> clazz;
038
039    private boolean result;
040
041    private Checker(Class<? extends Resource> clazz) {
042      this.clazz=clazz;
043    }
044
045    private boolean getResult() {
046      return this.result;
047    }
048
049    @Override
050    public void visitResourceTemplate(ResourceTemplate template) {
051      this.result=this.clazz.isAssignableFrom(Resource.class);
052    }
053
054    @Override
055    public void visitContainerTemplate(ContainerTemplate template) {
056      this.result=this.clazz.isAssignableFrom(Container.class);
057    }
058
059  }
060
061  private Resources() {
062  }
063
064  public static boolean areCompatible(Class<? extends Resource> clazz, ResourceTemplate template) {
065    Checker checker = new Checker(clazz);
066    template.accept(checker);
067    return checker.getResult();
068  }
069
070}
071