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