91 lines
3.4 KiB
Java
91 lines
3.4 KiB
Java
/*
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* Copyright (c) 2004, 2007, 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 com.sun.mirror.apt.*;
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import com.sun.mirror.declaration.*;
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import com.sun.mirror.type.*;
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import com.sun.mirror.util.*;
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import java.util.Collection;
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import java.util.Set;
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import java.util.Arrays;
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import static java.util.Collections.*;
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import static com.sun.mirror.util.DeclarationVisitors.*;
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/*
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* Indirect test of whether source or class files are used to provide
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* declaration information.
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*/
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public class FreshnessApf implements AnnotationProcessorFactory {
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// Process any set of annotations
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private static final Collection<String> supportedAnnotations
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= unmodifiableCollection(Arrays.asList("*"));
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// No supported options
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private static final Collection<String> supportedOptions = emptySet();
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public Collection<String> supportedAnnotationTypes() {
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return supportedAnnotations;
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}
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public Collection<String> supportedOptions() {
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return supportedOptions;
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}
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public AnnotationProcessor getProcessorFor(
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Set<AnnotationTypeDeclaration> atds,
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AnnotationProcessorEnvironment env) {
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return new FreshnessAp(env);
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}
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private static class FreshnessAp implements AnnotationProcessor {
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private final AnnotationProcessorEnvironment env;
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FreshnessAp(AnnotationProcessorEnvironment env) {
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this.env = env;
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}
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public void process() {
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System.out.println("Testing for freshness.");
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boolean empty = true;
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for (TypeDeclaration typeDecl : env.getSpecifiedTypeDeclarations()) {
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for (FieldDeclaration fieldDecl: typeDecl.getFields() ) {
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empty = false;
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System.out.println(typeDecl.getQualifiedName() +
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"." + fieldDecl.getSimpleName());
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// Verify the declaration for the type of the
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// field is a class with an annotation.
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System.out.println(((DeclaredType) fieldDecl.getType()).getDeclaration().getAnnotationMirrors());
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if (((DeclaredType) fieldDecl.getType()).getDeclaration().getAnnotationMirrors().size() == 0)
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env.getMessager().printError("Expected an annotation.");
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}
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}
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if (empty)
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env.getMessager().printError("No fields encountered.");
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}
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}
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}
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