001/*
002 * (C) Copyright 2015 Nuxeo SA (http://nuxeo.com/) and contributors.
003 *
004 * All rights reserved. This program and the accompanying materials
005 * are made available under the terms of the GNU Lesser General Public License
006 * (LGPL) version 2.1 which accompanies this distribution, and is available at
007 * http://www.gnu.org/licenses/lgpl-2.1.html
008 *
009 * This library is distributed in the hope that it will be useful,
010 * but WITHOUT ANY WARRANTY; without even the implied warranty of
011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
012 * Lesser General Public License for more details.
013 *
014 * Contributors:
015 *      Andre Justo
016 *      Anahide Tchertchian
017 */
018package org.nuxeo.runtime.services.config;
019
020/**
021 * Service holding runtime configuration properties.
022 *
023 * @since 7.4
024 */
025public interface ConfigurationService {
026
027    /**
028     * Returns the given property value if any, otherwise null.
029     *
030     * @param key the property key
031     */
032    String getProperty(String key);
033
034    /**
035     * Returns the given property value if any, otherwise returns the given default value.
036     *
037     * @param key the property key
038     * @param defaultValue the default value for this key
039     */
040    String getProperty(String key, String defaultValue);
041
042    /**
043     * Returns true if given property is true when compared to a boolean value.
044     */
045    boolean isBooleanPropertyTrue(String key);
046
047    /**
048     * Returns true if given property is false when compared to a boolean value.
049     */
050    boolean isBooleanPropertyFalse(String key);
051
052}