Java tutorial
/* * #%L * BroadleafCommerce Framework Web * %% * Copyright (C) 2009 - 2015 Broadleaf Commerce * %% * Licensed 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. * #L% */ package org.broadleafcommerce.core.web.api.jaxrs; import org.apache.commons.lang3.ClassUtils; import org.springframework.context.annotation.Condition; import org.springframework.context.annotation.ConditionContext; import org.springframework.core.type.AnnotatedTypeMetadata; /** * <p> * Condition class that checks for the presence of a JAXRS class to determine if JAXRS is actually loaded * * <p> * By default, this checks the existence of javax.ws.rs.core.UriInfo * * @author Phillip Verheyden (phillipuniverse) */ public class IsJaxrsAvailableCondition implements Condition { /** * Fully-qualified name of a class that is representative of JAXRS being loaded */ public static String JAXRSCLASS = "javax.ws.rs.core.UriInfo"; @Override public boolean matches(ConditionContext context, AnnotatedTypeMetadata metadata) { try { ClassUtils.getClass(JAXRSCLASS); } catch (ClassNotFoundException e) { return false; } return true; } }