1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, 13 * software distributed under the License is distributed on an 14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 * KIND, either express or implied. See the License for the 16 * specific language governing permissions and limitations 17 * under the License. 18 */ 19 package org.apache.fulcrum.yaafi.framework.configuration; 20 21 import java.util.Properties; 22 23 /** 24 * A implementation to provide out-of-the-box component configuration properties 25 * using the following algorithm: 26 * 27 * <ul> 28 * <li>add the user-supplied defaults to the result<li> 29 * <li>add the system properties to the result<li> 30 * <li>add the Merlin context entries to the result<li> 31 * </ul> 32 * 33 * @author <a href="mailto:siegfried.goeschl@it20one.at">Siegfried Goeschl</a> 34 */ 35 public class ComponentConfigurationPropertiesResolverImpl 36 extends ComponentConfigurationPropertiesResolverBaseImpl 37 { 38 /** 39 * @see org.apache.fulcrum.yaafi.framework.configuration.ComponentConfigurationPropertiesResolver#resolve(java.util.Properties) 40 */ 41 public Properties resolve(Properties defaults) throws Exception 42 { 43 String location = this.getLocation(); 44 Properties result = this.loadProperties(location); 45 46 if(defaults != null) 47 { 48 result.putAll(defaults); 49 } 50 51 result.putAll(System.getProperties()); 52 this.addAvalonContext(result); 53 54 return result; 55 } 56 }