/**
* This software is licensed to you under the Apache License, Version 2.0 (the
* "Apache License").
*
* LinkedIn's contributions are made under the Apache License. If you contribute
* to the Software, the contributions will be deemed to have been made under the
* Apache License, unless you expressly indicate otherwise. Please do not make any
* contributions that would be inconsistent with the Apache License.
*
* You may obtain a copy of the Apache License at http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, this software
* distributed under the Apache License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the Apache
* License for the specific language governing permissions and limitations for the
* software governed under the Apache License.
*
* © 2012 LinkedIn Corp. All Rights Reserved.
*/
package com.senseidb.servlet;
import java.io.File;
import javax.servlet.ServletContext;
import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;
import org.apache.commons.configuration.ConfigurationException;
import org.apache.commons.configuration.PropertiesConfiguration;
import org.apache.log4j.Logger;
public class SenseiConfigServletContextListener implements
ServletContextListener {
private static final Logger logger = Logger.getLogger(SenseiConfigServletContextListener.class);
public static final String SENSEI_CONF_FILE_PARAM = "config.file";
public static final String SENSEI_CONF_DIR_PARAM = "config.dir";
public static final String SENSEI_CONF_ZKURL = "sensei.search.cluster.zookeeper.url";
public static final String SENSEI_CONF_CLUSTER_CLIENT_NAME = "sensei.search.cluster.client-name";
public static final String SENSEI_CONF_CLUSTER_NAME = "sensei.search.cluster.name";
public static final String SENSEI_CONF_ZKTIMEOUT = "sensei.search.cluster.zookeeper.conn.timeout";
public static final String SENSEI_CONF_NC_OUTLIER_MULTIPLIER = "sensei.search.cluster.network.outlier.multiplier";
public static final String SENSEI_CONF_NC_OUTLIER_CONSTANT = "sensei.search.cluster.network.outlier.constant";
public static final String SENSEI_CONF_NC_CONN_TIMEOUT = "sensei.search.cluster.network.conn.timeout";
public static final String SENSEI_CONF_NC_WRITE_TIMEOUT = "sensei.search.cluster.network.write.timeout";
public static final String SENSEI_CONF_NC_MAX_CONN_PER_NODE = "sensei.search.cluster.network.max.conn.per.node";
public static final String SENSEI_CONF_NC_STALE_TIMEOUT_MINS = "sensei.search.cluster.network.stale.timeout.mins";
public static final String SENSEI_CONF_NC_STALE_CLEANUP_FREQ_MINS = "sensei.search.cluster.network.stale.cleanup.freq.mins";
public static final String SENSEI_CONF_VERSION_COMPARATOR = "sensei.search.version.comparator";
public static final String SENSEI_CONF_ROUTER_FACTORY = "sensei.search.router.factory";
public static final String SENSEI_CONF_SERIALIZER = "sensei.search.serializer";
public static final String SENSEI_CONF_OBJ = "sensei.search.configuration";
public static final String SENSEI_CONF_PLUGIN_REGISTRY = "sensei.search.pluginRegistry";
@Override
public void contextDestroyed(ServletContextEvent ctx) {
}
@Override
public void contextInitialized(ServletContextEvent ctxEvt) {
ServletContext ctx = ctxEvt.getServletContext();
String confFileName = ctx.getInitParameter(SENSEI_CONF_FILE_PARAM);
File confFile = null;
if (confFileName==null){
String confDirName = ctx.getInitParameter(SENSEI_CONF_DIR_PARAM);
if (confDirName!=null){
confFile = new File(confDirName,"sensei.properties");
}
}
else{
confFile = new File(confFileName);
}
if (confFile != null) {
try {
PropertiesConfiguration conf = new PropertiesConfiguration();
conf.setDelimiterParsingDisabled(true);
conf.load(confFile);
ctx.setAttribute(SENSEI_CONF_OBJ, conf);
}
catch (ConfigurationException e) {
logger.error(e.getMessage(),e);
}
}
else {
logger.warn("configuration is not set.");
}
}
}