001/*
002 * (C) Copyright 2015 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *      Andre Justo
018 *      Anahide Tchertchian
019 */
020package org.nuxeo.runtime.services.config;
021
022/**
023 * Service holding runtime configuration properties.
024 *
025 * @since 7.4
026 */
027public interface ConfigurationService {
028
029    /**
030     * Returns the given property value if any, otherwise null.
031     *
032     * @param key the property key
033     */
034    String getProperty(String key);
035
036    /**
037     * Returns the given property value if any, otherwise returns the given default value.
038     *
039     * @param key the property key
040     * @param defaultValue the default value for this key
041     */
042    String getProperty(String key, String defaultValue);
043
044    /**
045     * Returns true if given property is true when compared to a boolean value.
046     */
047    boolean isBooleanPropertyTrue(String key);
048
049    /**
050     * Returns true if given property is false when compared to a boolean value.
051     */
052    boolean isBooleanPropertyFalse(String key);
053
054}