org.springframework.boot.autoconfigure.hazelcast.HazelcastServerConfiguration Maven / Gradle / Ivy
/*
* Copyright 2012-2021 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
*
* https://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.boot.autoconfigure.hazelcast;
import java.io.IOException;
import java.net.URL;
import com.hazelcast.config.Config;
import com.hazelcast.config.XmlConfigBuilder;
import com.hazelcast.config.YamlConfigBuilder;
import com.hazelcast.core.Hazelcast;
import com.hazelcast.core.HazelcastInstance;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnSingleCandidate;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Conditional;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.io.Resource;
import org.springframework.core.io.ResourceLoader;
import org.springframework.util.ResourceUtils;
import org.springframework.util.StringUtils;
/**
* Configuration for Hazelcast server.
*
* @author Stephane Nicoll
* @author Vedran Pavic
*/
@Configuration(proxyBeanMethods = false)
@ConditionalOnMissingBean(HazelcastInstance.class)
class HazelcastServerConfiguration {
static final String CONFIG_SYSTEM_PROPERTY = "hazelcast.config";
private static HazelcastInstance getHazelcastInstance(Config config) {
if (StringUtils.hasText(config.getInstanceName())) {
return Hazelcast.getOrCreateHazelcastInstance(config);
}
return Hazelcast.newHazelcastInstance(config);
}
@Configuration(proxyBeanMethods = false)
@ConditionalOnMissingBean(Config.class)
@Conditional(ConfigAvailableCondition.class)
static class HazelcastServerConfigFileConfiguration {
@Bean
HazelcastInstance hazelcastInstance(HazelcastProperties properties, ResourceLoader resourceLoader)
throws IOException {
Resource configLocation = properties.resolveConfigLocation();
Config config = (configLocation != null) ? loadConfig(configLocation) : Config.load();
config.setClassLoader(resourceLoader.getClassLoader());
return getHazelcastInstance(config);
}
private Config loadConfig(Resource configLocation) throws IOException {
URL configUrl = configLocation.getURL();
Config config = loadConfig(configUrl);
if (ResourceUtils.isFileURL(configUrl)) {
config.setConfigurationFile(configLocation.getFile());
}
else {
config.setConfigurationUrl(configUrl);
}
return config;
}
private static Config loadConfig(URL configUrl) throws IOException {
String configFileName = configUrl.getPath();
if (configFileName.endsWith(".yaml")) {
return new YamlConfigBuilder(configUrl).build();
}
return new XmlConfigBuilder(configUrl).build();
}
}
@Configuration(proxyBeanMethods = false)
@ConditionalOnSingleCandidate(Config.class)
static class HazelcastServerConfigConfiguration {
@Bean
HazelcastInstance hazelcastInstance(Config config) {
return getHazelcastInstance(config);
}
}
/**
* {@link HazelcastConfigResourceCondition} that checks if the
* {@code spring.hazelcast.config} configuration key is defined.
*/
static class ConfigAvailableCondition extends HazelcastConfigResourceCondition {
ConfigAvailableCondition() {
super(CONFIG_SYSTEM_PROPERTY, "file:./hazelcast.xml", "classpath:/hazelcast.xml", "file:./hazelcast.yaml",
"classpath:/hazelcast.yaml");
}
}
}