test/tools/apt/Basics/FreshnessApf.java

Sat, 01 Dec 2007 00:00:00 +0000

author
duke
date
Sat, 01 Dec 2007 00:00:00 +0000
changeset 1
9a66ca7c79fa
child 554
9d9f26857129
permissions
-rw-r--r--

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     1 /*
     2  * Copyright 2004-2007 Sun Microsystems, Inc.  All Rights Reserved.
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     4  *
     5  * This code is free software; you can redistribute it and/or modify it
     6  * under the terms of the GNU General Public License version 2 only, as
     7  * published by the Free Software Foundation.
     8  *
     9  * This code is distributed in the hope that it will be useful, but WITHOUT
    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    12  * version 2 for more details (a copy is included in the LICENSE file that
    13  * accompanied this code).
    14  *
    15  * You should have received a copy of the GNU General Public License version
    16  * 2 along with this work; if not, write to the Free Software Foundation,
    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    18  *
    19  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
    20  * CA 95054 USA or visit www.sun.com if you need additional information or
    21  * have any questions.
    22  */
    25 import com.sun.mirror.apt.*;
    26 import com.sun.mirror.declaration.*;
    27 import com.sun.mirror.type.*;
    28 import com.sun.mirror.util.*;
    30 import java.util.Collection;
    31 import java.util.Set;
    32 import java.util.Arrays;
    34 import static java.util.Collections.*;
    35 import static com.sun.mirror.util.DeclarationVisitors.*;
    37 /*
    38  * Indirect test of whether source or class files are used to provide
    39  * declaration information.
    40  */
    41 public class FreshnessApf implements AnnotationProcessorFactory {
    42     // Process any set of annotations
    43     private static final Collection<String> supportedAnnotations
    44         = unmodifiableCollection(Arrays.asList("*"));
    46     // No supported options
    47     private static final Collection<String> supportedOptions = emptySet();
    49     public Collection<String> supportedAnnotationTypes() {
    50         return supportedAnnotations;
    51     }
    53     public Collection<String> supportedOptions() {
    54         return supportedOptions;
    55     }
    57     public AnnotationProcessor getProcessorFor(
    58             Set<AnnotationTypeDeclaration> atds,
    59             AnnotationProcessorEnvironment env) {
    60         return new FreshnessAp(env);
    61     }
    63     private static class FreshnessAp implements AnnotationProcessor {
    64         private final AnnotationProcessorEnvironment env;
    65         FreshnessAp(AnnotationProcessorEnvironment env) {
    66             this.env = env;
    67         }
    69         public void process() {
    70             System.out.println("Testing for freshness.");
    71             boolean empty = true;
    72             for (TypeDeclaration typeDecl : env.getSpecifiedTypeDeclarations()) {
    73                 for (FieldDeclaration fieldDecl: typeDecl.getFields() ) {
    74                     empty = false;
    75                     System.out.println(typeDecl.getQualifiedName() +
    76                                        "." + fieldDecl.getSimpleName());
    78                     // Verify the declaration for the type of the
    79                     // field is a class with an annotation.
    80                     System.out.println(((DeclaredType) fieldDecl.getType()).getDeclaration().getAnnotationMirrors());
    81                     if (((DeclaredType) fieldDecl.getType()).getDeclaration().getAnnotationMirrors().size() == 0)
    82                         env.getMessager().printError("Expected an annotation.");
    83                 }
    84             }
    86             if (empty)
    87                 env.getMessager().printError("No fields encountered.");
    88         }
    89     }
    90 }

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