| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| Configuration |
|
| 1.0;1 |
| 1 | package org.apache.ojb.broker.util.configuration; | |
| 2 | ||
| 3 | /* Copyright 2002-2005 The Apache Software Foundation | |
| 4 | * | |
| 5 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
| 6 | * you may not use this file except in compliance with the License. | |
| 7 | * You may obtain a copy of the License at | |
| 8 | * | |
| 9 | * http://www.apache.org/licenses/LICENSE-2.0 | |
| 10 | * | |
| 11 | * Unless required by applicable law or agreed to in writing, software | |
| 12 | * distributed under the License is distributed on an "AS IS" BASIS, | |
| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 14 | * See the License for the specific language governing permissions and | |
| 15 | * limitations under the License. | |
| 16 | */ | |
| 17 | ||
| 18 | import org.apache.ojb.broker.util.logging.Logger; | |
| 19 | ||
| 20 | /** | |
| 21 | * The <code>Configuration</code> interface defines lookup-methods to lookup | |
| 22 | * typed configuration-values. | |
| 23 | * For example <code>boolean getBoolean(String key, boolean defaultValue)</code> | |
| 24 | * looks up a boolean value associated with <code>key</code>. | |
| 25 | * If no value is found for <code>key</code> the boolean <code>defaultValue</code> | |
| 26 | * is returned. | |
| 27 | * @author Thomas Mahler | |
| 28 | * @version $Id: Configuration.java,v 1.1 2007-08-24 22:17:30 ewestfal Exp $ | |
| 29 | */ | |
| 30 | public interface Configuration | |
| 31 | { | |
| 32 | ||
| 33 | /** | |
| 34 | * this method allows to set a logger that tracks configuration events. | |
| 35 | * @param loggerInstance the logger to set | |
| 36 | */ | |
| 37 | public void setLogger(Logger loggerInstance); | |
| 38 | ||
| 39 | /** | |
| 40 | * Returns the boolean value for the specified key. If no value for this key | |
| 41 | * is found in the configuration or the value is not an legal boolean | |
| 42 | * <code>defaultValue</code> is returned. | |
| 43 | * | |
| 44 | * @param key the key | |
| 45 | * @param defaultValue the default Value | |
| 46 | * @return the value for the key, or <code>defaultValue</code> | |
| 47 | */ | |
| 48 | public boolean getBoolean(String key, boolean defaultValue); | |
| 49 | ||
| 50 | /** | |
| 51 | * Returns the class specified by the value for the specified key. If no | |
| 52 | * value for this key is found in the configuration, no class of this name | |
| 53 | * can be found or the specified class is not assignable | |
| 54 | * <code>assignable</code> <code>defaultValue</code> is returned. | |
| 55 | * | |
| 56 | * @param key the key | |
| 57 | * @param defaultValue the default Value | |
| 58 | * @param assignable a classe and/or interface the specified class must | |
| 59 | * extend/implement. | |
| 60 | * @return the value for the key, or <code>defaultValue</code> | |
| 61 | */ | |
| 62 | public Class getClass(String key, Class defaultValue, Class assignable); | |
| 63 | ||
| 64 | /** | |
| 65 | * Returns the class specified by the value for the specified key. If no | |
| 66 | * value for this key is found in the configuration, no class of this name | |
| 67 | * can be found or the specified class is not assignable to each | |
| 68 | * class/interface in <code>assignables</code> <code>defaultValue</code> is | |
| 69 | * returned. | |
| 70 | * | |
| 71 | * @param key the key | |
| 72 | * @param defaultValue the default Value | |
| 73 | * @param assignables classes and/or interfaces the specified class must | |
| 74 | * extend/implement. | |
| 75 | * @return the value for the key, or <code>defaultValue</code> | |
| 76 | */ | |
| 77 | public Class getClass(String key, Class defaultValue, Class[] assignables); | |
| 78 | ||
| 79 | /** | |
| 80 | * Returns the class specified by the value for the specified key. If no | |
| 81 | * value for this key is found in the configuration or no class of this name | |
| 82 | * can be found <code>defaultValue</code> is returned. | |
| 83 | * | |
| 84 | * @param key the key | |
| 85 | * @param defaultValue the default Value | |
| 86 | * @return the value for the key, or <code>defaultValue</code> | |
| 87 | */ | |
| 88 | public Class getClass(String key, Class defaultValue); | |
| 89 | ||
| 90 | /** | |
| 91 | * Returns the integer value for the specified key. If no value for this key | |
| 92 | * is found in the configuration or the value is not an legal integer | |
| 93 | * <code>defaultValue</code> is returned. | |
| 94 | * | |
| 95 | * @param key the key | |
| 96 | * @param defaultValue the default Value | |
| 97 | * @return the value for the key, or <code>defaultValue</code> | |
| 98 | */ | |
| 99 | public int getInteger(String key, int defaultValue); | |
| 100 | ||
| 101 | /** | |
| 102 | * Returns the string value for the specified key. If no value for this key | |
| 103 | * is found in the configuration <code>defaultValue</code> is returned. | |
| 104 | * | |
| 105 | * @param key the key | |
| 106 | * @param defaultValue the default value | |
| 107 | * @return the value for the key, or <code>defaultValue</code> | |
| 108 | */ | |
| 109 | public String getString(String key, String defaultValue); | |
| 110 | ||
| 111 | /** | |
| 112 | * Gets an array of Strings from the value of the specified key, seperated | |
| 113 | * by any key from <code>seperators</code>. If no value for this key | |
| 114 | * is found the array contained in <code>defaultValue</code> is returned. | |
| 115 | * | |
| 116 | * @param key the key | |
| 117 | * @param defaultValue the default Value | |
| 118 | * @param seperators the seprators to be used | |
| 119 | * @return the strings for the key, or the strings contained in | |
| 120 | * <code>defaultValue</code> | |
| 121 | */ | |
| 122 | public String[] getStrings(String key, String defaultValue, String seperators); | |
| 123 | ||
| 124 | /** | |
| 125 | * Gets an array of Strings from the value of the specified key, seperated | |
| 126 | * by ";". If no value for this key | |
| 127 | * is found the array contained in <code>defaultValue</code> is returned. | |
| 128 | * | |
| 129 | * @param key the key | |
| 130 | * @param defaultValue the default Value | |
| 131 | * @return the strings for the key, or the strings contained in | |
| 132 | * <code>defaultValue</code> | |
| 133 | */ | |
| 134 | public String[] getStrings(String key, String defaultValue); | |
| 135 | } |