/* * Copyright (c) 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 David Berkman * * This file is part of the SmallMind Code Project. * * The SmallMind Code Project is free software, you can redistribute * it and/or modify it under either, at your discretion... * * 1) The terms of GNU Affero General Public License as published by the * Free Software Foundation, either version 3 of the License, or (at * your option) any later version. * * ...or... * * 2) The terms of the Apache License, Version 2.0. * * The SmallMind Code Project is distributed in the hope that it will * be useful, but WITHOUT ANY WARRANTY; without even the implied warranty * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License or Apache License for more details. * * You should have received a copy of the GNU Affero General Public License * and the Apache License along with the SmallMind Code Project. If not, see * <http://www.gnu.org/licenses/> or <http://www.apache.org/licenses/LICENSE-2.0>. * * Additional permission under the GNU Affero GPL version 3 section 7 * ------------------------------------------------------------------ * If you modify this Program, or any covered work, by linking or * combining it with other code, such other code is not for that reason * alone subject to any of the requirements of the GNU Affero GPL * version 3. */ package org.smallmind.wicket.property; import java.io.IOException; import java.io.InputStream; import java.util.Properties; import java.util.WeakHashMap; import org.apache.wicket.protocol.http.WebApplication; public class PropertyFactory { private static final WeakHashMap<String, Properties> PROPERTY_MAP = new WeakHashMap<String, Properties>(); public static synchronized Properties getProperties (WebApplication webApplication, String resourcePath) throws PropertyException { Properties properties; if ((properties = PROPERTY_MAP.get(resourcePath)) == null) { try (InputStream inputStream = webApplication.getServletContext().getResourceAsStream(resourcePath)) { if (inputStream == null) { throw new PropertyException("Unable to locate properties at resource(%s)", resourcePath); } else { properties = new Properties(); properties.load(webApplication.getServletContext().getResourceAsStream(resourcePath)); PROPERTY_MAP.put(resourcePath, properties); } } catch (IOException ioException) { throw new PropertyException(ioException); } } return properties; } }