1 /* 2 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package javax.lang.model.util; 27 28 import javax.lang.model.element.*; 29 import javax.annotation.processing.SupportedSourceVersion; 30 import static javax.lang.model.element.ElementKind.*; 31 import javax.lang.model.SourceVersion; 32 import static javax.lang.model.SourceVersion.*; 33 34 35 /** 36 * A simple visitor of program elements with default behavior 37 * appropriate for the {@link SourceVersion#RELEASE_6 RELEASE_6} 38 * source version. 39 * 40 * Visit methods corresponding to {@code RELEASE_6} language 41 * constructs call {@link #defaultAction}, passing their arguments to 42 * {@code defaultAction}'s corresponding parameters. 43 * 44 * <p> Methods in this class may be overridden subject to their 45 * general contract. Note that annotating methods in concrete 46 * subclasses with {@link java.lang.Override @Override} will help 47 * ensure that methods are overridden as intended. 48 * 49 * <p> <b>WARNING:</b> The {@code ElementVisitor} interface 50 * implemented by this class may have methods added to it in the 51 * future to accommodate new, currently unknown, language structures 52 * added to future versions of the Java™ programming language. 53 * Therefore, methods whose names begin with {@code "visit"} may be 54 * added to this class in the future; to avoid incompatibilities, 55 * classes which extend this class should not declare any instance 56 * methods with names beginning with {@code "visit"}. 57 * 58 * <p>When such a new visit method is added, the default 59 * implementation in this class will be to call the {@link 60 * #visitUnknown visitUnknown} method. A new simple element visitor 61 * class will also be introduced to correspond to the new language 62 * level; this visitor will have different default behavior for the 120 * @param e {@inheritDoc} 121 * @param p {@inheritDoc} 122 * @return the result of {@code defaultAction} 123 */ 124 public R visitPackage(PackageElement e, P p) { 125 return defaultAction(e, p); 126 } 127 128 /** 129 * {@inheritDoc} This implementation calls {@code defaultAction}. 130 * 131 * @param e {@inheritDoc} 132 * @param p {@inheritDoc} 133 * @return the result of {@code defaultAction} 134 */ 135 public R visitType(TypeElement e, P p) { 136 return defaultAction(e, p); 137 } 138 139 /** 140 * {@inheritDoc} This implementation calls {@code defaultAction}. 141 * 142 * @param e {@inheritDoc} 143 * @param p {@inheritDoc} 144 * @return the result of {@code defaultAction} 145 */ 146 public R visitVariable(VariableElement e, P p) { 147 return defaultAction(e, p); 148 } 149 150 /** 151 * {@inheritDoc} This implementation calls {@code defaultAction}. 152 * 153 * @param e {@inheritDoc} 154 * @param p {@inheritDoc} 155 * @return the result of {@code defaultAction} 156 */ 157 public R visitExecutable(ExecutableElement e, P p) { 158 return defaultAction(e, p); 159 } 160 161 /** 162 * {@inheritDoc} This implementation calls {@code defaultAction}. 163 * 164 * @param e {@inheritDoc} 165 * @param p {@inheritDoc} 166 * @return the result of {@code defaultAction} 167 */ | 1 /* 2 * Copyright (c) 2005, 2011, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package javax.lang.model.util; 27 28 import javax.lang.model.element.*; 29 import javax.annotation.processing.SupportedSourceVersion; 30 import static javax.lang.model.element.ElementKind.*; 31 import javax.lang.model.SourceVersion; 32 import static javax.lang.model.SourceVersion.*; 33 34 35 /** 36 * A simple visitor of program elements with default behavior 37 * appropriate for the {@link SourceVersion#RELEASE_6 RELEASE_6} 38 * source version. 39 * 40 * Visit methods corresponding to {@code RELEASE_6} language 41 * constructs call {@link #defaultAction defaultAction}, passing their 42 * arguments to {@code defaultAction}'s corresponding parameters. 43 * 44 * For constructs introduced in {@code RELEASE_7} and later, {@code 45 * visitUnknown} is called instead. 46 * 47 * <p> Methods in this class may be overridden subject to their 48 * general contract. Note that annotating methods in concrete 49 * subclasses with {@link java.lang.Override @Override} will help 50 * ensure that methods are overridden as intended. 51 * 52 * <p> <b>WARNING:</b> The {@code ElementVisitor} interface 53 * implemented by this class may have methods added to it in the 54 * future to accommodate new, currently unknown, language structures 55 * added to future versions of the Java™ programming language. 56 * Therefore, methods whose names begin with {@code "visit"} may be 57 * added to this class in the future; to avoid incompatibilities, 58 * classes which extend this class should not declare any instance 59 * methods with names beginning with {@code "visit"}. 60 * 61 * <p>When such a new visit method is added, the default 62 * implementation in this class will be to call the {@link 63 * #visitUnknown visitUnknown} method. A new simple element visitor 64 * class will also be introduced to correspond to the new language 65 * level; this visitor will have different default behavior for the 123 * @param e {@inheritDoc} 124 * @param p {@inheritDoc} 125 * @return the result of {@code defaultAction} 126 */ 127 public R visitPackage(PackageElement e, P p) { 128 return defaultAction(e, p); 129 } 130 131 /** 132 * {@inheritDoc} This implementation calls {@code defaultAction}. 133 * 134 * @param e {@inheritDoc} 135 * @param p {@inheritDoc} 136 * @return the result of {@code defaultAction} 137 */ 138 public R visitType(TypeElement e, P p) { 139 return defaultAction(e, p); 140 } 141 142 /** 143 * {@inheritDoc} 144 * 145 * This implementation calls {@code defaultAction}, unless the 146 * element is a {@code RESOURCE_VARIABLE} in which case {@code 147 * visitUnknown} is called. 148 * 149 * @param e {@inheritDoc} 150 * @param p {@inheritDoc} 151 * @return the result of {@code defaultAction} or {@code visitUnknown} 152 */ 153 public R visitVariable(VariableElement e, P p) { 154 if (e.getKind() != ElementKind.RESOURCE_VARIABLE) 155 return defaultAction(e, p); 156 else 157 return visitUnknown(e, p); 158 } 159 160 /** 161 * {@inheritDoc} This implementation calls {@code defaultAction}. 162 * 163 * @param e {@inheritDoc} 164 * @param p {@inheritDoc} 165 * @return the result of {@code defaultAction} 166 */ 167 public R visitExecutable(ExecutableElement e, P p) { 168 return defaultAction(e, p); 169 } 170 171 /** 172 * {@inheritDoc} This implementation calls {@code defaultAction}. 173 * 174 * @param e {@inheritDoc} 175 * @param p {@inheritDoc} 176 * @return the result of {@code defaultAction} 177 */ |