| /** |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.apache.camel.component.ehcache; |
| |
| import java.io.IOException; |
| import java.net.URL; |
| import java.util.Map; |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.concurrent.ConcurrentMap; |
| |
| import org.apache.camel.CamelContext; |
| import org.apache.camel.Endpoint; |
| import org.apache.camel.impl.DefaultComponent; |
| import org.apache.camel.spi.ClassResolver; |
| import org.apache.camel.spi.Metadata; |
| import org.apache.camel.util.ObjectHelper; |
| import org.apache.camel.util.ResourceHelper; |
| import org.ehcache.CacheManager; |
| import org.ehcache.config.CacheConfiguration; |
| import org.ehcache.config.Configuration; |
| import org.ehcache.config.builders.CacheManagerBuilder; |
| import org.ehcache.xml.XmlConfiguration; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Represents the component that manages {@link DefaultComponent}. |
| */ |
| public class EhcacheComponent extends DefaultComponent { |
| private static final Logger LOGGER = LoggerFactory.getLogger(EhcacheComponent.class); |
| |
| private final ConcurrentMap<Object, EhcacheManager> managers = new ConcurrentHashMap<>(); |
| |
| @Metadata(label = "advanced") |
| private EhcacheConfiguration configuration = new EhcacheConfiguration(); |
| |
| public EhcacheComponent() { |
| } |
| |
| public EhcacheComponent(CamelContext context) { |
| super(context); |
| } |
| |
| @Override |
| protected Endpoint createEndpoint(String uri, String remaining, Map<String, Object> parameters) throws Exception { |
| EhcacheConfiguration configuration = this.configuration.copy(); |
| setProperties(configuration, parameters); |
| |
| return new EhcacheEndpoint(uri, this, remaining, createCacheManager(configuration), configuration); |
| } |
| |
| // **************************** |
| // Helpers |
| // **************************** |
| |
| private EhcacheManager createCacheManager(EhcacheConfiguration configuration) throws IOException { |
| ObjectHelper.notNull(configuration, "Camel Ehcache configuration"); |
| |
| // Check if a cache manager has been configured |
| if (configuration.hasCacheManager()) { |
| LOGGER.info("EhcacheManager configured with supplied CacheManager"); |
| |
| return managers.computeIfAbsent( |
| configuration.getCacheManager(), |
| m -> new EhcacheManager( |
| CacheManager.class.cast(m), |
| false, |
| configuration) |
| ); |
| } |
| |
| // Check if a cache manager configuration has been provided |
| if (configuration.hasCacheManagerConfiguration()) { |
| LOGGER.info("EhcacheManager configured with supplied CacheManagerConfiguration"); |
| |
| return managers.computeIfAbsent( |
| configuration.getCacheManagerConfiguration(), |
| c -> new EhcacheManager( |
| CacheManagerBuilder.newCacheManager(Configuration.class.cast(c)), |
| true, |
| configuration |
| ) |
| ); |
| } |
| |
| // Check if a configuration file has been provided |
| if (configuration.hasConfigurationUri()) { |
| String configurationUri = configuration.getConfigurationUri(); |
| ClassResolver classResolver = getCamelContext().getClassResolver(); |
| |
| URL url = ResourceHelper.resolveMandatoryResourceAsUrl(classResolver, configurationUri); |
| |
| LOGGER.info("EhcacheManager configured with supplied URI {}", url); |
| |
| return managers.computeIfAbsent( |
| url, |
| u -> new EhcacheManager( |
| CacheManagerBuilder.newCacheManager(new XmlConfiguration(URL.class.cast(u))), |
| true, |
| configuration |
| ) |
| ); |
| } |
| |
| LOGGER.info("EhcacheManager configured with default builder"); |
| return new EhcacheManager(CacheManagerBuilder.newCacheManagerBuilder().build(), true, configuration); |
| } |
| |
| // **************************** |
| // Properties |
| // **************************** |
| |
| public EhcacheConfiguration getConfiguration() { |
| return configuration; |
| } |
| |
| /** |
| * Sets the global component configuration |
| */ |
| public void setConfiguration(EhcacheConfiguration configuration) { |
| // The component configuration can't be null |
| ObjectHelper.notNull(configuration, "EhcacheConfiguration"); |
| |
| this.configuration = configuration; |
| } |
| |
| public CacheManager getCacheManager() { |
| return configuration.getCacheManager(); |
| } |
| |
| /** |
| * The cache manager |
| */ |
| public void setCacheManager(CacheManager cacheManager) { |
| this.configuration.setCacheManager(cacheManager); |
| } |
| |
| public Configuration getCacheManagerConfiguration() { |
| return configuration.getCacheManagerConfiguration(); |
| } |
| |
| /** |
| * The cache manager configuration |
| */ |
| public void setCacheManagerConfiguration(Configuration cacheManagerConfiguration) { |
| this.configuration.setCacheManagerConfiguration(cacheManagerConfiguration); |
| } |
| |
| /** |
| * The default cache configuration to be used to create caches. |
| */ |
| public void setCacheConfiguration(CacheConfiguration<?, ?> cacheConfiguration) { |
| this.configuration.setConfiguration(cacheConfiguration); |
| } |
| |
| public CacheConfiguration<?, ?> getCacheConfiguration() { |
| return this.configuration.getConfiguration(); |
| } |
| |
| public Map<String, CacheConfiguration<?, ?>> getCachesConfigurations() { |
| return configuration.getConfigurations(); |
| } |
| |
| /** |
| * A map of caches configurations to be used to create caches. |
| */ |
| public void setCachesConfigurations(Map<String, CacheConfiguration<?, ?>> configurations) { |
| configuration.setConfigurations(configurations); |
| } |
| |
| public void addCachesConfigurations(Map<String, CacheConfiguration<?, ?>> configurations) { |
| configuration.addConfigurations(configurations); |
| } |
| |
| public String getCacheConfigurationUri() { |
| return this.configuration.getConfigurationUri(); |
| } |
| |
| /** |
| * URI pointing to the Ehcache XML configuration file's location |
| */ |
| public void setCacheConfigurationUri(String configurationUri) { |
| this.configuration.setConfigurationUri(configurationUri); |
| } |
| } |