87 lines
3.3 KiB
Java
87 lines
3.3 KiB
Java
/*
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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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public class TestAnonSourceNames extends JavacTestingAbstractProcessor {
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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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}
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