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