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

    36 

    37 /*

    38  * Used to verify counts from different kinds of declaration scanners.

    39  */

    40 public class Counter implements AnnotationProcessorFactory {

    41     static class CounterProc implements AnnotationProcessor {

    42         static class CountingVisitor extends SimpleDeclarationVisitor {

    43             int count;

    44             int count() {

    45                 return count;

    46             }

    47 

    48             CountingVisitor() {

    49                 count = 0;

    50             }

    51 

    52             public void visitDeclaration(Declaration d) {

    53                 count++;

    54                 System.out.println(d.getSimpleName());

    55             }

    56         }

    57 

    58         AnnotationProcessorEnvironment env;

    59         CounterProc(AnnotationProcessorEnvironment env) {

    60             this.env = env;

    61         }

    62 

    63         public void process() {

    64             for(TypeDeclaration td: env.getSpecifiedTypeDeclarations() ) {

    65                 CountingVisitor sourceOrder = new CountingVisitor();

    66                 CountingVisitor someOrder = new CountingVisitor();

    67 

    68                 System.out.println("Source Order Scanner");

    69                 td.accept(getSourceOrderDeclarationScanner(sourceOrder,

    70                                                            NO_OP));

    71 

    72                 System.out.println("\nSome Order Scanner");

    73                 td.accept(getDeclarationScanner(someOrder,

    74                                                 NO_OP));

    75 

    76                 if (sourceOrder.count() != someOrder.count() )

    77                     throw new RuntimeException("Counts from different scanners don't agree");

    78             }

    79 

    80         }

    81     }

    82 

    83     static Collection<String> supportedTypes;

    84     static {

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

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

    87     }

    88 

    89     static Collection<String> supportedOptions;

    90     static {

    91         String options[] = {""};

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

    93     }

    94 

    95     public Collection<String> supportedOptions() {

    96         return supportedOptions;

    97     }

    98 

    99     public Collection<String> supportedAnnotationTypes() {

   100         return supportedTypes;

   101     }

   102 

   103     public AnnotationProcessor getProcessorFor(Set<AnnotationTypeDeclaration> atds,

   104                                                AnnotationProcessorEnvironment env) {

   105         return new CounterProc(env);

   106     }

   107 

   108 }