001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.camel.reifier.validator; 018 019import java.util.HashMap; 020import java.util.Map; 021import java.util.function.Function; 022 023import org.apache.camel.CamelContext; 024import org.apache.camel.model.validator.CustomValidatorDefinition; 025import org.apache.camel.model.validator.EndpointValidatorDefinition; 026import org.apache.camel.model.validator.PredicateValidatorDefinition; 027import org.apache.camel.model.validator.ValidatorDefinition; 028import org.apache.camel.spi.Validator; 029 030public abstract class ValidatorReifier<T> { 031 032 private static final Map<Class<?>, Function<ValidatorDefinition, ValidatorReifier<? extends ValidatorDefinition>>> VALIDATORS; 033 static { 034 Map<Class<?>, Function<ValidatorDefinition, ValidatorReifier<? extends ValidatorDefinition>>> map = new HashMap<>(); 035 map.put(CustomValidatorDefinition.class, CustomValidatorReifier::new); 036 map.put(EndpointValidatorDefinition.class, EndpointValidatorReifier::new); 037 map.put(PredicateValidatorDefinition.class, PredicateValidatorReifier::new); 038 VALIDATORS = map; 039 } 040 041 protected final T definition; 042 043 ValidatorReifier(T definition) { 044 this.definition = definition; 045 } 046 047 public static ValidatorReifier<? extends ValidatorDefinition> reifier(ValidatorDefinition definition) { 048 Function<ValidatorDefinition, ValidatorReifier<? extends ValidatorDefinition>> reifier = VALIDATORS.get(definition.getClass()); 049 if (reifier != null) { 050 return reifier.apply(definition); 051 } 052 throw new IllegalStateException("Unsupported definition: " + definition); 053 } 054 055 public Validator createValidator(CamelContext context) throws Exception { 056 return doCreateValidator(context); 057 } 058 059 protected abstract Validator doCreateValidator(CamelContext context) throws Exception; 060 061}