001/* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 */ 019package org.apache.maven.plugins.enforcer.internal; 020 021import javax.annotation.PreDestroy; 022import javax.inject.Named; 023import javax.inject.Singleton; 024 025import java.util.ArrayList; 026import java.util.HashMap; 027import java.util.List; 028import java.util.Map; 029 030import org.apache.maven.enforcer.rule.api.AbstractEnforcerRule; 031import org.slf4j.Logger; 032import org.slf4j.LoggerFactory; 033 034/** 035 * Service for manage rules cache storage. 036 * 037 * @author Slawomir Jaranowski 038 * @since 3.2.0 039 */ 040@Named 041@Singleton 042public class EnforcerRuleCache { 043 044 private final Logger logger = LoggerFactory.getLogger(EnforcerRuleCache.class); 045 046 private final Map<Class<? extends AbstractEnforcerRule>, List<String>> cache = new HashMap<>(); 047 048 public boolean isCached(AbstractEnforcerRule rule) { 049 050 String cacheId = rule.getCacheId(); 051 052 if (cacheId == null) { 053 return false; 054 } 055 056 Class<? extends AbstractEnforcerRule> ruleClass = rule.getClass(); 057 logger.debug("Check cache for {} with id {}", ruleClass, cacheId); 058 059 synchronized (this) { 060 List<String> cacheIdList = cache.computeIfAbsent(ruleClass, k -> new ArrayList<>()); 061 if (cacheIdList.contains(cacheId)) { 062 logger.debug("Already cached {} with id {}", ruleClass, cacheId); 063 return true; 064 } 065 logger.debug("Add cache {} with id {}", ruleClass, cacheId); 066 cacheIdList.add(cacheId); 067 } 068 069 return false; 070 } 071 072 @PreDestroy 073 public void cleanup() { 074 synchronized (this) { 075 cache.clear(); 076 } 077 } 078}