001 package org.apache.fulcrum.yaafi.service.systemproperty; 002 003 /* 004 * Licensed to the Apache Software Foundation (ASF) under one 005 * or more contributor license agreements. See the NOTICE file 006 * distributed with this work for additional information 007 * regarding copyright ownership. The ASF licenses this file 008 * to you under the Apache License, Version 2.0 (the 009 * "License"); you may not use this file except in compliance 010 * with the License. You may obtain a copy of the License at 011 * 012 * http://www.apache.org/licenses/LICENSE-2.0 013 * 014 * Unless required by applicable law or agreed to in writing, 015 * software distributed under the License is distributed on an 016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 017 * KIND, either express or implied. See the License for the 018 * specific language governing permissions and limitations 019 * under the License. 020 */ 021 022 import org.apache.avalon.framework.configuration.Configuration; 023 import org.apache.avalon.framework.configuration.ConfigurationException; 024 import org.apache.avalon.framework.configuration.Reconfigurable; 025 import org.apache.avalon.framework.logger.AbstractLogEnabled; 026 027 028 /** 029 * Copies the properties found in the configuration into the SystemProperties 030 * 031 * @author <a href="mailto:siegfried.goeschl@it20one.at">Siegfried Goeschl</a> 032 */ 033 034 public class SystemPropertyServiceImpl 035 extends AbstractLogEnabled 036 implements SystemPropertyService, Reconfigurable 037 { 038 /** 039 * Constructor 040 */ 041 public SystemPropertyServiceImpl() 042 { 043 // nothing to do here 044 } 045 046 /** 047 * @see org.apache.avalon.framework.configuration.Configurable#configure(org.apache.avalon.framework.configuration.Configuration) 048 */ 049 public void configure(Configuration configuration) throws ConfigurationException 050 { 051 String key = null; 052 String value = null; 053 String oldValue = null; 054 Configuration[] systemProperties = configuration.getChildren("property"); 055 056 for( int i=0; i<systemProperties.length; i++ ) 057 { 058 key = systemProperties[i].getAttribute("name"); 059 value = systemProperties[i].getValue(); 060 oldValue = System.getProperty(key); 061 062 if( oldValue != null ) 063 { 064 this.getLogger().debug( 065 "Changing the value of " + key + " from " + oldValue + " to " + value 066 ); 067 } 068 else 069 { 070 this.getLogger().debug( 071 "Setting the value of " + key + " to " + value 072 ); 073 } 074 075 System.setProperty( key, value ); 076 077 } 078 079 this.getLogger().debug( "Processed the following number of properties : " + systemProperties.length ); 080 } 081 082 /** 083 * @see org.apache.avalon.framework.configuration.Reconfigurable#reconfigure(org.apache.avalon.framework.configuration.Configuration) 084 */ 085 public void reconfigure(Configuration configuration) 086 throws ConfigurationException 087 { 088 this.configure(configuration); 089 } 090 }