| /* |
| * 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.any23.configuration; |
| |
| /** |
| * Defines the main <i>Any23</i> configuration. |
| */ |
| public interface Configuration { |
| |
| /** |
| * Returns all the defined configuration properties. |
| * |
| * @return list of defined properties. |
| */ |
| String[] getProperties(); |
| |
| /** |
| * Checks whether a property is defined or not in configuration. |
| * |
| * @param propertyName |
| * name of property to check. |
| * |
| * @return <code>true</code> if defined, <code>false</code> otherwise. |
| */ |
| boolean defineProperty(String propertyName); |
| |
| /** |
| * Returns the value of a specified property, of the default value if property is not defined. |
| * |
| * @param propertyName |
| * name of property |
| * @param defaultValue |
| * default value if not found. |
| * |
| * @return the value associated to <i>propertyName</i>. |
| */ |
| String getProperty(String propertyName, String defaultValue); |
| |
| /** |
| * Returns the value of the specified <code>propertyName</code> or raises an exception if <code>propertyName</code> |
| * is not defined. |
| * |
| * @param propertyName |
| * name of property to be returned. |
| * |
| * @return property value. |
| * |
| * @throws IllegalArgumentException |
| * if the property name is not defined or the found property value is blank or empty. |
| */ |
| String getPropertyOrFail(String propertyName); |
| |
| /** |
| * Returns the {@link Integer} value of the specified <code>propertyName</code> or raises an exception if |
| * <code>propertyName</code> is not defined. |
| * |
| * @param propertyName |
| * name of property to be returned. |
| * |
| * @return property value. |
| * |
| * @throws NullPointerException |
| * if the property name is not defined. |
| * @throws IllegalArgumentException |
| * if the found property value is blank or empty. |
| * @throws NumberFormatException |
| * if the found property value is not a valid {@link Integer}. |
| */ |
| int getPropertyIntOrFail(String propertyName); |
| |
| /** |
| * Returns the value of a <i> flag property</i>. Such properties can assume only two values: |
| * <ul> |
| * <li><code>on</code> if flag is active (<code>true</code> is returned). |
| * <li><code>off</code> if flag is inactive (<code>false</code> is returned). |
| * </ul> |
| * |
| * @param propertyName |
| * name of property flag. |
| * |
| * @return <code>true</code> for <code>on</code>, <code>false</code> for <code>off</code>. |
| * |
| * @throws IllegalArgumentException |
| * if the <code>propertyName</code> is not declared. |
| */ |
| boolean getFlagProperty(final String propertyName); |
| |
| /** |
| * Returns a human readable string containing the configuration dump. |
| * |
| * @return a string describing the configuration options. |
| */ |
| String getConfigurationDump(); |
| |
| } |