1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package org.apache.maven.shared.dependency.analyzer.asm;
20
21 import org.objectweb.asm.AnnotationVisitor;
22 import org.objectweb.asm.FieldVisitor;
23 import org.objectweb.asm.Opcodes;
24
25 /**
26 * Computes the set of classes referenced by visited code.
27 * Inspired by <code>org.objectweb.asm.depend.DependencyVisitor</code> in the ASM dependencies example.
28 *
29 * @author <a href="mailto:markhobson@gmail.com">Mark Hobson</a>
30 */
31 public class DefaultFieldVisitor extends FieldVisitor {
32 private final AnnotationVisitor annotationVisitor;
33
34 private final ResultCollector resultCollector;
35
36 /**
37 * <p>Constructor for DefaultFieldVisitor.</p>
38 *
39 * @param annotationVisitor a {@link org.objectweb.asm.AnnotationVisitor} object.
40 * @param resultCollector a {@link org.apache.maven.shared.dependency.analyzer.asm.ResultCollector} object.
41 */
42 public DefaultFieldVisitor(AnnotationVisitor annotationVisitor, ResultCollector resultCollector) {
43 super(Opcodes.ASM9);
44 this.annotationVisitor = annotationVisitor;
45 this.resultCollector = resultCollector;
46 }
47
48 /** {@inheritDoc} */
49 public AnnotationVisitor visitAnnotation(final String desc, final boolean visible) {
50 resultCollector.addDesc(desc);
51
52 return annotationVisitor;
53 }
54 }