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.Arrays;

    33 

    34 import static java.util.Collections.*;

    35 

    36 /*

    37  * This class is used to test the ability to store static state across

    38  * apt rounds.

    39  */

    40 public class StaticApf implements AnnotationProcessorFactory {

    41     static int round = -1;

    42 

    43     // Process any set of annotations

    44     private static final Collection<String> supportedAnnotations

    45         = unmodifiableCollection(Arrays.asList("*"));

    46 

    47     // No supported options

    48     private static final Collection<String> supportedOptions = emptySet();

    49 

    50     public Collection<String> supportedAnnotationTypes() {

    51         return supportedAnnotations;

    52     }

    53 

    54     public Collection<String> supportedOptions() {

    55         return supportedOptions;

    56     }

    57 

    58     public AnnotationProcessor getProcessorFor(Set<AnnotationTypeDeclaration> atds,

    59                                                AnnotationProcessorEnvironment env) {

    60         return new StaticAp(env);

    61     }

    62 

    63     private static class StaticAp implements AnnotationProcessor {

    64         private final AnnotationProcessorEnvironment env;

    65         StaticAp(AnnotationProcessorEnvironment env) {

    66             this.env = env;

    67         }

    68 

    69         public void process() {

    70             int size = env.getSpecifiedTypeDeclarations().size();

    71 

    72             try {

    73                 round++;

    74                 switch (size) {

    75                 case 0:

    76                     if (round == 0) {

    77                         env.getFiler().createSourceFile("Round1").print("class Round1 {}");

    78                     } else

    79                         throw new RuntimeException("Got " + size + " decl's in round " + round);

    80                     break;

    81 

    82                 case 1:

    83                     if (round == 1) {

    84                         env.getFiler().createSourceFile("AhOne").print("class AhOne {}");

    85                         env.getFiler().createSourceFile("AndAhTwo").print("class AndAhTwo {}");

    86                         env.getFiler().createClassFile("Foo");

    87                     } else

    88                         throw new RuntimeException("Got " + size + " decl's in round " + round);

    89                     break;

    90                 case 2:

    91                     if (round != 2) {

    92                         throw new RuntimeException("Got " + size + " decl's in round " + round);

    93                     }

    94                     break;

    95                 }

    96 

    97             } catch (java.io.IOException ioe) {

    98                     throw new RuntimeException();

    99                 }

   100 

   101             }

   102 

   103     }

   104 }