1 /* 2 * Copyright 2010 Sun Microsystems, Inc. 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. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, 20 * CA 95054 USA or visit www.sun.com if you need additional information or 21 * have any questions. 22 */ 23 24 import java.io.*; 25 import javax.annotation.processing.*; 26 import javax.lang.model.*; 27 import javax.lang.model.element.*; 28 import javax.lang.model.type.*; 29 import javax.lang.model.util.*; 30 import java.util.*; 31 import com.sun.source.tree.*; 32 import com.sun.source.util.*; 33 import static javax.tools.Diagnostic.Kind.*; 34 35 /** 36 * Using the tree API, retrieve element representations of anonymous 37 * classes are verify their names are as specified. 38 */ 39 @SupportedAnnotationTypes("*") 40 public class TestAnonSourceNames extends AbstractProcessor { 41 42 public boolean process(Set<? extends TypeElement> annotations, 43 RoundEnvironment roundEnv) { 44 if (!roundEnv.processingOver()) { 45 Trees trees = Trees.instance(processingEnv); 46 47 for(Element rootElement : roundEnv.getRootElements()) { 48 TreePath treePath = trees.getPath(rootElement); 49 50 (new ClassTreeScanner(trees)). 51 scan(trees.getTree(rootElement), 52 treePath.getCompilationUnit()); 53 } 54 } 55 return true; 56 } 57 58 class ClassTreeScanner extends TreeScanner<Void, CompilationUnitTree> { 59 private Trees trees; 60 61 public ClassTreeScanner(Trees trees) { 62 super(); 63 this.trees = trees; 64 } 65 @Override 66 public Void visitClass(ClassTree node, CompilationUnitTree cu) { 67 Element element = trees.getElement(trees.getPath(cu, node)); 68 if (element == null) { 69 processingEnv.getMessager().printMessage(ERROR, 70 "No element retreived for node named ''" + 71 node.getSimpleName() + "''."); 72 } else { 73 74 System.out.println("\nVisiting class ``" + element.getSimpleName() + 75 "'' of kind " + element.getKind()); 76 if (element instanceof TypeElement) { 77 TypeElement typeElement = (TypeElement) element; 78 String s = typeElement.getQualifiedName().toString(); 79 System.out.println("\tqualified name:" + s); 80 } else { 81 throw new RuntimeException("TypeElement not gotten from ClassTree."); 82 } 83 } 84 return super.visitClass(node, cu); 85 } 86 } 87 88 @Override 89 public SourceVersion getSupportedSourceVersion() { 90 return SourceVersion.latest(); 91 } 92 }