author | jjg |
Mon, 06 Sep 2010 12:55:09 -0700 | |
changeset 6590 | f745e683da2c |
parent 5520 | 86e4b9a9da40 |
child 6720 | f16f91662ad8 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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import java.io.*; |
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import javax.annotation.processing.*; |
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import javax.lang.model.*; |
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import javax.lang.model.element.*; |
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import javax.lang.model.type.*; |
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import javax.lang.model.util.*; |
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import java.util.*; |
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import com.sun.source.tree.*; |
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import com.sun.source.util.*; |
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import static javax.tools.Diagnostic.Kind.*; |
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/** |
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* Using the tree API, retrieve element representations of anonymous |
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* classes and verify their names are as specified. |
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*/ |
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@SupportedAnnotationTypes("*") |
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public class TestAnonSourceNames extends AbstractProcessor { |
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public boolean process(Set<? extends TypeElement> annotations, |
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RoundEnvironment roundEnv) { |
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if (!roundEnv.processingOver()) { |
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Trees trees = Trees.instance(processingEnv); |
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for(Element rootElement : roundEnv.getRootElements()) { |
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TreePath treePath = trees.getPath(rootElement); |
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(new ClassTreeScanner(trees)). |
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scan(trees.getTree(rootElement), |
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treePath.getCompilationUnit()); |
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} |
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} |
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return true; |
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} |
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class ClassTreeScanner extends TreeScanner<Void, CompilationUnitTree> { |
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private Trees trees; |
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public ClassTreeScanner(Trees trees) { |
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super(); |
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this.trees = trees; |
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} |
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@Override |
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public Void visitClass(ClassTree node, CompilationUnitTree cu) { |
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Element element = trees.getElement(trees.getPath(cu, node)); |
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if (element == null) { |
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processingEnv.getMessager().printMessage(ERROR, |
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"No element retrieved for node named ''" + |
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node.getSimpleName() + "''."); |
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} else { |
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System.out.println("\nVisiting class ``" + element.getSimpleName() + |
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"'' of kind " + element.getKind()); |
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if (element instanceof TypeElement) { |
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TypeElement typeElement = (TypeElement) element; |
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String s = typeElement.getQualifiedName().toString(); |
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System.out.println("\tqualified name:" + s); |
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} else { |
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throw new RuntimeException("TypeElement not gotten from ClassTree."); |
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} |
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} |
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return super.visitClass(node, cu); |
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} |
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} |
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@Override |
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public SourceVersion getSupportedSourceVersion() { |
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return SourceVersion.latest(); |
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} |
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} |