1 /*

     2  * Copyright (c) 2004, 2007, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    23 

    24 

    25 import com.sun.mirror.apt.*;

    26 import com.sun.mirror.declaration.*;

    27 import com.sun.mirror.type.*;

    28 import com.sun.mirror.util.*;

    29 

    30 import java.util.Collection;

    31 import java.util.Set;

    32 import java.util.Map;

    33 import java.util.Arrays;

    34 

    35 

    36 import static java.util.Collections.*;

    37 import static com.sun.mirror.util.DeclarationVisitors.*;

    38 

    39 /*

    40  * Construct a processor that does nothing but report a warning.

    41  */

    42 public class WarnAPF implements AnnotationProcessorFactory {

    43     static class WarnAP implements AnnotationProcessor {

    44         AnnotationProcessorEnvironment env;

    45         WarnAP(AnnotationProcessorEnvironment env) {

    46             this.env = env;

    47         }

    48 

    49         public void process() {

    50             Messager messager = env.getMessager();

    51             messager.printWarning("Beware the ides of March!");

    52 

    53             for(TypeDeclaration typeDecl : env.getSpecifiedTypeDeclarations()) {

    54                 messager.printNotice(typeDecl.getPosition(),  "You are about to be warned");

    55                 messager.printWarning(typeDecl.getPosition(), "Strange class name");

    56 

    57                 for(AnnotationMirror annotMirror : typeDecl.getAnnotationMirrors()) {

    58                     messager.printNotice("MIRROR " + annotMirror.getPosition().toString());

    59 

    60                      Map<AnnotationTypeElementDeclaration,AnnotationValue> map =

    61                          annotMirror.getElementValues();

    62                      if (map.keySet().size() > 0)

    63                          for(AnnotationTypeElementDeclaration key : map.keySet() ) {

    64                              AnnotationValue annotValue = map.get(key);

    65                              Object o = annotValue.getValue();

    66                              // asserting getPosition is non-null

    67                              messager.printNotice("VALUE " + annotValue.getPosition().toString());

    68                          }

    69                      else {

    70                          Collection<AnnotationTypeElementDeclaration> ateds =

    71                          annotMirror.getAnnotationType().getDeclaration().getMethods();

    72                          for(AnnotationTypeElementDeclaration ated : ateds ) {

    73                              AnnotationValue annotValue = ated.getDefaultValue();

    74                              Object o = annotValue.getValue();

    75                              messager.printNotice("VALUE " + "HelloAnnotation.java:5");

    76                          }

    77                      }

    78                 }

    79             }

    80         }

    81     }

    82 

    83     static final Collection<String> supportedTypes;

    84     static {

    85         String types[] = {"*"};

    86         supportedTypes = unmodifiableCollection(Arrays.asList(types));

    87     }

    88     public Collection<String> supportedAnnotationTypes() {return supportedTypes;}

    89 

    90     static final Collection<String> supportedOptions;

    91     static {

    92         String options[] = {""};

    93         supportedOptions = unmodifiableCollection(Arrays.asList(options));

    94     }

    95     public Collection<String> supportedOptions() {return supportedOptions;}

    96 

    97     public AnnotationProcessor getProcessorFor(Set<AnnotationTypeDeclaration> atds,

    98                                                AnnotationProcessorEnvironment env) {

    99         return new WarnAP(env);

   100     }

   101 }