/** * 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.ambari.view.slider; import org.apache.commons.configuration.ConfigurationException; import org.apache.commons.configuration.PropertiesConfiguration; import org.slf4j.Logger; import org.slf4j.LoggerFactory; public class SliderAppsConfiguration { public static final SliderAppsConfiguration INSTANCE = new SliderAppsConfiguration(); private static final Logger logger = LoggerFactory .getLogger(SliderAppsConfiguration.class); private static final String SLIDER_APPS_PROPERTIES_FILE = "/slider.properties"; private PropertiesConfiguration propertiesConfig = null; private PropertiesConfiguration getConfiguration() throws ConfigurationException { if (propertiesConfig == null) { propertiesConfig = new PropertiesConfiguration(); propertiesConfig.load(getClass().getResourceAsStream( SLIDER_APPS_PROPERTIES_FILE)); } return propertiesConfig; } public String getVersion() { try { return getConfiguration().getString("slider.view.version"); } catch (ConfigurationException e) { logger.warn("Unable to get version configuration", e); } return null; } }