001: /*
002: * Copyright (c) 2001-2007, Jean Tessier
003: * All rights reserved.
004: *
005: * Redistribution and use in source and binary forms, with or without
006: * modification, are permitted provided that the following conditions
007: * are met:
008: *
009: * * Redistributions of source code must retain the above copyright
010: * notice, this list of conditions and the following disclaimer.
011: *
012: * * Redistributions in binary form must reproduce the above copyright
013: * notice, this list of conditions and the following disclaimer in the
014: * documentation and/or other materials provided with the distribution.
015: *
016: * * Neither the name of Jean Tessier nor the names of his contributors
017: * may be used to endorse or promote products derived from this software
018: * without specific prior written permission.
019: *
020: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
021: * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
022: * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
023: * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
024: * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
025: * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
026: * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
027: * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
028: * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
029: * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
030: * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
031: */
032:
033: package com.jeantessier.dependency;
034:
035: import java.util.*;
036:
037: public class ClosureStopSelector implements Visitor {
038: private boolean done = false;
039:
040: private SelectionCriteria criteria;
041:
042: public ClosureStopSelector(SelectionCriteria criteria) {
043: this .criteria = criteria;
044: }
045:
046: public boolean isDone() {
047: return done;
048: }
049:
050: public void traverseNodes(Collection<? extends Node> nodes) {
051: if (nodes.isEmpty()) {
052: done = true;
053: } else {
054: for (Node node : nodes) {
055: node.accept(this );
056: }
057: }
058: }
059:
060: public void visitPackageNode(PackageNode node) {
061: if (criteria.matches(node)) {
062: done = true;
063: }
064: }
065:
066: public void visitInboundPackageNode(PackageNode node) {
067: // Do nothing
068: }
069:
070: public void visitOutboundPackageNode(PackageNode node) {
071: // Do nothing
072: }
073:
074: public void visitClassNode(ClassNode node) {
075: if (criteria.matches(node)) {
076: done = true;
077: }
078: }
079:
080: public void visitInboundClassNode(ClassNode node) {
081: // Do nothing
082: }
083:
084: public void visitOutboundClassNode(ClassNode node) {
085: // Do nothing
086: }
087:
088: public void visitFeatureNode(FeatureNode node) {
089: if (criteria.matches(node)) {
090: done = true;
091: }
092: }
093:
094: public void visitInboundFeatureNode(FeatureNode node) {
095: // Do nothing
096: }
097:
098: public void visitOutboundFeatureNode(FeatureNode node) {
099: // Do nothing
100: }
101: }
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