/*
*
* Copyright (c) 2015, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* 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 org.wso2.carbon.device.mgt.iot.agent.kura.display.config;
import org.apache.commons.configuration.Configuration;
import org.apache.commons.configuration.ConfigurationException;
import org.apache.commons.configuration.HierarchicalConfiguration;
import org.apache.commons.configuration.XMLConfiguration;
import org.apache.commons.configuration.reloading.FileChangedReloadingStrategy;
import org.wso2.carbon.device.mgt.iot.agent.kura.display.LauncherConstants;
import java.io.File;
import java.util.logging.Logger;
public class ConfigManager {
private final static Logger log = Logger.getLogger(ConfigManager.class.getName());
private static final ConfigManager instance = new ConfigManager();
private HierarchicalConfiguration runner_config = null;
private HierarchicalConfiguration content_config = null;
private ConfigManager(){
}
public static ConfigManager getInstance(){
return ConfigManager.instance;
}
/**
* Initialize the configurations.
*/
public void initConfig(){
runner_config = getConfiguration(
LauncherConstants.CONF_PATH + File.separator + "digital_display_runner.xml");
content_config = getConfiguration(
LauncherConstants.CONF_PATH + File.separator + "digital_display_content.xml");
}
public HierarchicalConfiguration getRunnerConfig(){
return runner_config;
}
public HierarchicalConfiguration getContentConfig(){
return content_config;
}
/**
* Returns configuration for xml file.
* @param xmlConfigFile path to xml file
* @return
*/
public HierarchicalConfiguration getConfiguration(String xmlConfigFile) {
HierarchicalConfiguration config = null;
try {
config = loadConfigFile(xmlConfigFile);
} catch (ConfigurationException e) {
log.severe("Couldn't load the configuration file `" + xmlConfigFile + "`");
System.exit(1);
}
return config;
}
private HierarchicalConfiguration loadConfigFile(String configXmlFileName)
throws ConfigurationException {
XMLConfiguration config = null;
config = new XMLConfiguration(configXmlFileName);
FileChangedReloadingStrategy strategy = new FileChangedReloadingStrategy();
strategy.setRefreshDelay(config.getInt(ConfigConstants.CONFIG_REFRESH_DELAY, 5000));
config.setReloadingStrategy(strategy);
return config;
}
}