001/* java.beans.beancontext.BeanContextServiceAvailableEvent 002 Copyright (C) 1999 Free Software Foundation, Inc. 003 004This file is part of GNU Classpath. 005 006GNU Classpath is free software; you can redistribute it and/or modify 007it under the terms of the GNU General Public License as published by 008the Free Software Foundation; either version 2, or (at your option) 009any later version. 010 011GNU Classpath is distributed in the hope that it will be useful, but 012WITHOUT ANY WARRANTY; without even the implied warranty of 013MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014General Public License for more details. 015 016You should have received a copy of the GNU General Public License 017along with GNU Classpath; see the file COPYING. If not, write to the 018Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 01902110-1301 USA. 020 021Linking this library statically or dynamically with other modules is 022making a combined work based on this library. Thus, the terms and 023conditions of the GNU General Public License cover the whole 024combination. 025 026As a special exception, the copyright holders of this library give you 027permission to link this library with independent modules to produce an 028executable, regardless of the license terms of these independent 029modules, and to copy and distribute the resulting executable under 030terms of your choice, provided that you also meet, for each linked 031independent module, the terms and conditions of the license of that 032module. An independent module is a module which is not derived from 033or based on this library. If you modify this library, you may extend 034this exception to your version of the library, but you are not 035obligated to do so. If you do not wish to do so, delete this 036exception statement from your version. */ 037 038 039package java.beans.beancontext; 040 041import java.util.Iterator; 042 043/** 044 * Event fired when new services become available through a <code>BeanContextServices</code>. 045 * 046 * @author John Keiser 047 * @since JDK1.2 048 * @see java.beans.beancontext.BeanContextServicesListener 049 */ 050 051public class BeanContextServiceAvailableEvent extends BeanContextEvent { 052 private static final long serialVersionUID = -5333985775656400778L; 053 054 /** 055 * The <code>Class</code> representing the service which is now 056 * available. 057 */ 058 protected Class serviceClass; 059 060 /** 061 * Create a new service available event. 062 * @param services the <code>BeanContextServices</code> through 063 * which the service is available. This is also the source 064 * of the event. 065 * @param serviceClass the service class that is now available. 066 */ 067 public BeanContextServiceAvailableEvent(BeanContextServices services, Class serviceClass) { 068 super(services); 069 this.serviceClass = serviceClass; 070 } 071 072 /** 073 * Get the current service selectors of the service class. 074 * This is identical to <code>getSourceAsBeanContextServices().getCurrentServiceSelectors(getServiceClass())</code> 075 * @return the current service selectors of the service class. 076 */ 077 public Iterator getCurrentServiceSelectors() { 078 return getSourceAsBeanContextServices().getCurrentServiceSelectors(serviceClass); 079 } 080 081 /** 082 * Get the newly available service class. 083 * @return the service class. 084 */ 085 public Class getServiceClass() { 086 return serviceClass; 087 } 088 089 /** 090 * Get the <code>BeanContextServices</code> through which the new service is available. 091 * @return the <code>BeanContextServices</code> through which the 092 * new service is available. 093 */ 094 public BeanContextServices getSourceAsBeanContextServices() { 095 return (BeanContextServices)getSource(); 096 } 097}