/* * Copyright 2015 the original author or authors. * * 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. */ package org.springframework.data.rest.core.support; import org.springframework.core.GenericTypeResolver; /** * {@link EntityLookup} implementation base class to derive the supported domain type from the generics signature. * * @author Oliver Gierke * @since 2.5 * @soundtrack Elephants Crossing - The New (Live at Stadtfest Dresden - * https://soundcloud.com/elephants-crossing/sets/live-at-stadtfest-dresden) */ public abstract class EntityLookupSupport<T> implements EntityLookup<T> { private final Class<?> domainType; /** * Creates a new {@link EntityLookupSupport} instance discovering the supported type from the generics signature. */ public EntityLookupSupport() { this.domainType = GenericTypeResolver.resolveTypeArgument(getClass(), EntityLookup.class); } /* * (non-Javadoc) * @see org.springframework.plugin.core.Plugin#supports(java.lang.Object) */ @Override public boolean supports(Class<?> delimiter) { return domainType.isAssignableFrom(delimiter); } }