/* * Copyright 1999-2012 Alibaba Group. * * 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 com.alibaba.dubbo.validation.support; import java.util.concurrent.ConcurrentHashMap; import java.util.concurrent.ConcurrentMap; import com.alibaba.dubbo.common.URL; import com.alibaba.dubbo.validation.Validation; import com.alibaba.dubbo.validation.Validator; /** * AbstractValidation * * @author william.liangf */ public abstract class AbstractValidation implements Validation { private final ConcurrentMap<String, Validator> validators = new ConcurrentHashMap<String, Validator>(); public Validator getValidator(URL url) { String key = url.toFullString(); Validator validator = validators.get(key); if (validator == null) { validators.put(key, createValidator(url)); validator = validators.get(key); } return validator; } protected abstract Validator createValidator(URL url); }