Source for gnu.classpath.jdwp.event.filters.FieldOnlyFilter

   1: /* FieldOnlyFilter.java -- filter on field
   2:    Copyright (C) 2005 Free Software Foundation
   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: terms of your choice, provided that you also meet, for each linked
  32: independent module, the terms and conditions of the license of that
  33: module.  An independent module is a module which is not derived from
  34: or based on this library.  If you modify this library, you may extend
  35: this exception to your version of the library, but you are not
  36: obligated to do so.  If you do not wish to do so, delete this
  37: exception statement from your version. */
  38: 
  39: 
  40: package gnu.classpath.jdwp.event.filters;
  41: 
  42: import gnu.classpath.jdwp.event.Event;
  43: import gnu.classpath.jdwp.exception.InvalidClassException;
  44: import gnu.classpath.jdwp.exception.InvalidFieldException;
  45: import gnu.classpath.jdwp.id.ReferenceTypeId;
  46: 
  47: /**
  48:  * Restricts reported events to those that occur for a given field.
  49:  *
  50:  * This modifier can be used with field access and field modification event
  51:  * kinds only.
  52:  *
  53:  * @author Keith Seitz  (keiths@redhat.com)
  54:  */
  55: public class FieldOnlyFilter
  56:   implements IEventFilter
  57: {
  58:   private ReferenceTypeId _refId;
  59:   private ReferenceTypeId _fieldId;
  60: 
  61:   /**
  62:    * Constructs a new <code>FieldOnlyFilter</code>.
  63:    *
  64:    * @param  refId  class for field
  65:    * @param  fid    field
  66:    * @throws InvalidClassException if class is invalid
  67:    * @throws InvalidFieldException if field is invalid
  68:    */
  69:   public FieldOnlyFilter (ReferenceTypeId refId, /*Field*/ReferenceTypeId fid)
  70:     throws InvalidClassException, InvalidFieldException
  71:   {
  72:     if (refId == null || refId.getReference().get () == null)
  73:       throw new InvalidClassException (refId.getId ());
  74: 
  75:     if (fid == null)
  76:       throw new InvalidFieldException (fid.getId ());
  77: 
  78:     _refId = refId;
  79:     _fieldId = fid;
  80:   }
  81: 
  82:   /**
  83:    * Returns the class in which the field is declared
  84:    *
  85:    * @return the class's id
  86:    */
  87:   public ReferenceTypeId getType ()
  88:   {
  89:     return _refId;
  90:   }
  91: 
  92:   /**
  93:    * Returns the field for which to restrict events
  94:    *
  95:    * @return the field's id
  96:    */
  97:   public ReferenceTypeId getField ()
  98:   {
  99:     return _fieldId;
 100:   }
 101: 
 102:   /**
 103:    * Does the given event match the filter?
 104:    *
 105:    * @param event  the <code>Event</code> to scrutinize
 106:    */
 107:   public boolean matches (Event event)
 108:   {
 109:     // FIXME
 110:     throw new RuntimeException ("FieldOnlyFilter.matches not implemented");
 111:   }
 112: }