Source for java.beans.beancontext.BeanContextServiceAvailableEvent

   1: /* java.beans.beancontext.BeanContextServiceAvailableEvent
   2:    Copyright (C) 1999 Free Software Foundation, Inc.
   3: 
   4: This file is part of GNU Classpath.
   5: 
   6: GNU Classpath is free software; you can redistribute it and/or modify
   7: it under the terms of the GNU General Public License as published by
   8: the Free Software Foundation; either version 2, or (at your option)
   9: any later version.
  10:  
  11: GNU Classpath is distributed in the hope that it will be useful, but
  12: WITHOUT ANY WARRANTY; without even the implied warranty of
  13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14: General Public License for more details.
  15: 
  16: You should have received a copy of the GNU General Public License
  17: along with GNU Classpath; see the file COPYING.  If not, write to the
  18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19: 02110-1301 USA.
  20: 
  21: Linking this library statically or dynamically with other modules is
  22: making a combined work based on this library.  Thus, the terms and
  23: conditions of the GNU General Public License cover the whole
  24: combination.
  25: 
  26: As a special exception, the copyright holders of this library give you
  27: permission to link this library with independent modules to produce an
  28: executable, regardless of the license terms of these independent
  29: modules, and to copy and distribute the resulting executable under
  30: terms of your choice, provided that you also meet, for each linked
  31: independent module, the terms and conditions of the license of that
  32: module.  An independent module is a module which is not derived from
  33: or based on this library.  If you modify this library, you may extend
  34: this exception to your version of the library, but you are not
  35: obligated to do so.  If you do not wish to do so, delete this
  36: exception statement from your version. */
  37: 
  38: 
  39: package java.beans.beancontext;
  40: 
  41: import java.util.Iterator;
  42: 
  43: /**
  44:  * Event fired when new services become available through a <code>BeanContextServices</code>.
  45:  *
  46:  * @author John Keiser
  47:  * @since JDK1.2
  48:  * @see java.beans.beancontext.BeanContextServicesListener
  49:  */
  50: 
  51: public class BeanContextServiceAvailableEvent extends BeanContextEvent {
  52:        private static final long serialVersionUID = -5333985775656400778L;
  53: 
  54:        /**
  55:      * The <code>Class</code> representing the service which is now
  56:      * available.
  57:      */
  58:     protected Class serviceClass;
  59: 
  60:     /**
  61:      * Create a new service available event.
  62:      * @param services the <code>BeanContextServices</code> through
  63:      *        which the service is available.  This is also the source
  64:      *        of the event.
  65:      * @param serviceClass the service class that is now available.
  66:      */
  67:     public BeanContextServiceAvailableEvent(BeanContextServices services, Class serviceClass) {
  68:         super(services);
  69:         this.serviceClass = serviceClass;
  70:     }
  71: 
  72:     /**
  73:      * Get the current service selectors of the service class.
  74:      * This is identical to <code>getSourceAsBeanContextServices().getCurrentServiceSelectors(getServiceClass())</code>
  75:      * @return the current service selectors of the service class.
  76:      */
  77:     public Iterator getCurrentServiceSelectors() {
  78:         return getSourceAsBeanContextServices().getCurrentServiceSelectors(serviceClass);
  79:     }
  80: 
  81:     /**
  82:      * Get the newly available service class.
  83:      * @return the service class.
  84:      */
  85:     public Class getServiceClass() {
  86:         return serviceClass;
  87:     }
  88: 
  89:     /**
  90:      * Get the <code>BeanContextServices</code> through which the new service is available.
  91:      * @return the <code>BeanContextServices</code> through which the
  92:      *         new service is available.
  93:      */
  94:     public BeanContextServices getSourceAsBeanContextServices() {
  95:         return (BeanContextServices)getSource();
  96:     }
  97: }