Java tutorial
/* Copyright 2009-2010 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 * * 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.opencredo.demos.twityourl; import org.springframework.core.io.ClassPathResource; import org.springframework.util.StringUtils; import java.util.Properties; /** * @author Erich Eichinger * */ public class ConfigurationProperties { public static final String TWITTER_SCREENNAME = "twitter.screenName"; public static final String TWITTER_PASSWORD = "twitter.password"; private static Properties TEST_PROPERTIES; static { try { TEST_PROPERTIES = new Properties(); TEST_PROPERTIES.load((new ClassPathResource("test.properties").getInputStream())); } catch (Exception e) { throw new RuntimeException("Failed to load test.properties"); } } public static String getTwitterScreenName() { return get(TWITTER_SCREENNAME); } public static String getTwitterPassword() { return get(TWITTER_PASSWORD); } protected static String get(String propertyName) { String value = TEST_PROPERTIES.getProperty(propertyName); checkPropertySet(propertyName, value); return value; } protected static void checkPropertySet(String propertyName, String valueRetrieved) { if (!StringUtils.hasText(valueRetrieved) || valueRetrieved.equals("${" + propertyName + "}")) { throw new RuntimeException("No value for key " + propertyName + " found you may want to add this to your maven settings.xml"); } } }