001: /* ====================================================================
002: * The JRefactory License, Version 1.0
003: *
004: * Copyright (c) 2001 JRefactory. All rights reserved.
005: *
006: * Redistribution and use in source and binary forms, with or without
007: * modification, are permitted provided that the following conditions
008: * are met:
009: *
010: * 1. Redistributions of source code must retain the above copyright
011: * notice, this list of conditions and the following disclaimer.
012: *
013: * 2. Redistributions in binary form must reproduce the above copyright
014: * notice, this list of conditions and the following disclaimer in
015: * the documentation and/or other materials provided with the
016: * distribution.
017: *
018: * 3. The end-user documentation included with the redistribution,
019: * if any, must include the following acknowledgment:
020: * "This product includes software developed by the
021: * JRefactory (http://www.sourceforge.org/projects/jrefactory)."
022: * Alternately, this acknowledgment may appear in the software itself,
023: * if and wherever such third-party acknowledgments normally appear.
024: *
025: * 4. The names "JRefactory" must not be used to endorse or promote
026: * products derived from this software without prior written
027: * permission. For written permission, please contact seguin@acm.org.
028: *
029: * 5. Products derived from this software may not be called "JRefactory",
030: * nor may "JRefactory" appear in their name, without prior written
031: * permission of Chris Seguin.
032: *
033: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
034: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
035: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
036: * DISCLAIMED. IN NO EVENT SHALL THE CHRIS SEGUIN OR
037: * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
038: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
039: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
040: * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
041: * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
042: * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
043: * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
044: * SUCH DAMAGE.
045: * ====================================================================
046: *
047: * This software consists of voluntary contributions made by many
048: * individuals on behalf of JRefactory. For more information on
049: * JRefactory, please see
050: * <http://www.sourceforge.org/projects/jrefactory>.
051: */
052: package org.acm.seguin.summary.query;
053:
054: import org.acm.seguin.summary.PackageSummary;
055: import org.acm.seguin.summary.FileSummary;
056: import org.acm.seguin.summary.TypeSummary;
057: import java.util.Iterator;
058:
059: /**
060: * Determines if a specified package contains a class with that name
061: *
062: *@author Chris Seguin
063: *@created November 28, 1999
064: */
065: public class PackageContainsClass {
066: /**
067: * Checks to see if the package contains a class with that name
068: *
069: *@param packageName the name of the package
070: *@param className the name of the class
071: *@return true if it is included
072: */
073: public static boolean query(String packageName, String className) {
074: return query(PackageSummary.getPackageSummary(packageName),
075: className);
076: }
077:
078: /**
079: * Checks to see if the package contains a class with that name
080: *
081: *@param summary the summary of the package
082: *@param className the name of the class
083: *@return true if it is included
084: */
085: public static boolean query(PackageSummary summary, String className) {
086: Iterator iter = summary.getFileSummaries();
087: if (iter != null) {
088: while (iter.hasNext()) {
089: FileSummary next = (FileSummary) iter.next();
090: if (checkFile(next, className)) {
091: return true;
092: }
093: }
094: }
095:
096: return false;
097: }
098:
099: /**
100: * Checks a single file for the class
101: *
102: *@param summary the file summary
103: *@param className the name of the class
104: *@return true if this particular file contains that class
105: */
106: private static boolean checkFile(FileSummary summary,
107: String className) {
108: Iterator iter = summary.getTypes();
109: if (iter != null) {
110: while (iter.hasNext()) {
111: TypeSummary next = (TypeSummary) iter.next();
112: if (next.getName().equals(className)) {
113: return true;
114: }
115: }
116: }
117:
118: return false;
119: }
120: }
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