| /* |
| * 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.cocoon.util; |
| |
| import java.util.List; |
| |
| /** |
| * This object holds the property settings for Cocoon. This interface is loosely based on the Settings interface |
| * introduced in 2.2 but is note equivalent to it as it is only meant to hold configuration properties. |
| * |
| * @version $Id$ |
| */ |
| public interface Settings { |
| /** The role to lookup this bean. */ |
| String ROLE = Settings.class.getName(); |
| |
| /** Name of the property specifying a custom user properties file. */ |
| String PROPERTY_USER_SETTINGS = "org.apache.cocoon.settings"; |
| |
| /** |
| * Get the value of a property. |
| * @param key The name of the property. |
| * @return The value of the property or null. |
| */ |
| String getProperty(String key); |
| |
| /** |
| * Get the value of a property. |
| * @param key The name of the property. |
| * @param defaultValue The value returned if the property is not available. |
| * @return The value of the property or if the property cannot |
| * be found the default value. |
| */ |
| String getProperty(String key, String defaultValue); |
| |
| /** |
| * Return all available properties starting with the prefix. |
| * @param keyPrefix The prefix each property name must have. |
| * @return A list of property names (including the prefix) or |
| * an empty list. |
| */ |
| List getProperties(String keyPrefix); |
| |
| /** |
| * Return all available properties |
| * @return A list of all property names or an empty list. |
| */ |
| List getProperties(); |
| |
| /** |
| * Return the number of properties that have been defined |
| * @return The number of properties that have been defined. |
| */ |
| int size(); |
| } |