1 /* IgnoringScannerState.java -- A ScannerState that does nothing. 2 Copyright (C) 2005 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 gnu.java.beans.encoder; 40 41 /** A special {@link ScannerState} implementation that ignores all child 42 * elements. 43 * 44 * <p>Consider the call hierarchy: 45 * <code> 46 * methodInvocation 47 * objectInstantiation 48 * classResolution* 49 * objectInstantiation 50 * classResolution 51 * </code> 52 * </p> 53 * 54 * <p>When the ignoring state is active one can filter the elements of 55 * one level. One has to set up the state machine that a transition 56 * via "class resolution" from a state that was reached via "object 57 * instantation" reaches an <code>IgnoringScannerState</code>.</p> 58 * 59 * <p>Setting the default successor of a <code>IgnoringScannerState</code> 60 * to itself causes all elements of the call hierarchy to be skipped 61 * until another state is reached by going back.</p> 62 * 63 * @author Robert Schuster (robertschuster@fsfe.org) 64 * 65 */ 66 class IgnoringScannerState extends ScannerState 67 { 68 methodInvocation(String methodName)69 void methodInvocation(String methodName) 70 { 71 } 72 staticMethodInvocation(String className, String methodName)73 void staticMethodInvocation(String className, String methodName) 74 { 75 } 76 staticFieldAccess(String className, String fieldName)77 void staticFieldAccess(String className, String fieldName) 78 { 79 } 80 classResolution(String className)81 void classResolution(String className) 82 { 83 } 84 objectInstantiation(String className, ObjectId objectId)85 void objectInstantiation(String className, ObjectId objectId) 86 { 87 } 88 primitiveInstantiation(String primitiveName, String valueAsString)89 void primitiveInstantiation(String primitiveName, String valueAsString) 90 { 91 } 92 objectArrayInstantiation(String arrayClassName, String lengthAsString, ObjectId objectId)93 void objectArrayInstantiation(String arrayClassName, String lengthAsString, ObjectId objectId) 94 { 95 } 96 primitiveArrayInstantiation(String arrayClassName, String lengthAsString, ObjectId objectId)97 void primitiveArrayInstantiation(String arrayClassName, String lengthAsString, ObjectId objectId) 98 { 99 } 100 arraySet(String indexAsString)101 void arraySet(String indexAsString) 102 { 103 } 104 arrayGet(String indexAsString)105 void arrayGet(String indexAsString) 106 { 107 } 108 listGet()109 void listGet() 110 { 111 } 112 listSet()113 void listSet() 114 { 115 } 116 nullObject()117 void nullObject() 118 { 119 } 120 stringReference(String string)121 void stringReference(String string) 122 { 123 } 124 objectReference(ObjectId id)125 void objectReference(ObjectId id) 126 { 127 } 128 end()129 void end() 130 { 131 } 132 133 } 134