/* * Copyright 2002-2016 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.core.convert.support; import org.springframework.core.convert.ConversionService; import org.springframework.core.convert.TypeDescriptor; import org.springframework.core.convert.converter.ConditionalConverter; import org.springframework.util.ClassUtils; /** * A {@link ConditionalConverter} base implementation for enum-based converters. * * @author Stephane Nicoll * @since 4.3 */ abstract class AbstractConditionalEnumConverter implements ConditionalConverter { private final ConversionService conversionService; protected AbstractConditionalEnumConverter(ConversionService conversionService) { this.conversionService = conversionService; } @Override public boolean matches(TypeDescriptor sourceType, TypeDescriptor targetType) { for (Class<?> interfaceType : ClassUtils.getAllInterfacesForClass(sourceType.getType())) { if (this.conversionService.canConvert(TypeDescriptor.valueOf(interfaceType), targetType)) { return false; } } return true; } }