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Java > Open Source Codes > com > jeantessier > dependency > ClosureStopSelector


1 /*
2  * Copyright (c) 2001-2005, Jean Tessier
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  *
9  * * Redistributions of source code must retain the above copyright
10  * notice, this list of conditions and the following disclaimer.
11  *
12  * * Redistributions in binary form must reproduce the above copyright
13  * notice, this list of conditions and the following disclaimer in the
14  * documentation and/or other materials provided with the distribution.
15  *
16  * * Neither the name of Jean Tessier nor the names of his contributors
17  * may be used to endorse or promote products derived from this software
18  * without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
24  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
26  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
27  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
28  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
29  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
30  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32
33 package com.jeantessier.dependency;
34
35 import java.util.*;
36
37 public class ClosureStopSelector implements Visitor {
38     private boolean done = false;
39     
40     private SelectionCriteria criteria;
41     
42     public ClosureStopSelector(SelectionCriteria criteria) {
43         this.criteria = criteria;
44     }
45
46     public boolean isDone() {
47         return done;
48     }
49     
50     public void traverseNodes(Collection nodes) {
51         if (nodes.isEmpty()) {
52             done = true;
53         } else {
54             Iterator i = nodes.iterator();
55             while (i.hasNext()) {
56                 ((Node) i.next()).accept(this);
57             }
58         }
59     }
60
61     public void visitPackageNode(PackageNode node) {
62         if (criteria.matches(node)) {
63             done = true;
64         }
65     }
66     
67     public void visitInboundPackageNode(PackageNode node) {
68         // Do nothing
69 }
70     
71     public void visitOutboundPackageNode(PackageNode node) {
72         // Do nothing
73 }
74
75     public void visitClassNode(ClassNode node) {
76         if (criteria.matches(node)) {
77             done = true;
78         }
79     }
80     
81     public void visitInboundClassNode(ClassNode node) {
82         // Do nothing
83 }
84     
85     public void visitOutboundClassNode(ClassNode node) {
86         // Do nothing
87 }
88
89     public void visitFeatureNode(FeatureNode node) {
90         if (criteria.matches(node)) {
91             done = true;
92         }
93     }
94     
95     public void visitInboundFeatureNode(FeatureNode node) {
96         // Do nothing
97 }
98     
99     public void visitOutboundFeatureNode(FeatureNode node) {
100         // Do nothing
101 }
102 }
103
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