/* gnu.classpath.tools.doclets.xmldoclet.PackageMatcher Copyright (C) 2001 Free Software Foundation, Inc. This file is part of GNU Classpath. GNU Classpath is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. GNU Classpath is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GNU Classpath; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ package gnu.classpath.tools.doclets.xmldoclet; import java.util.Iterator; import java.util.HashSet; import java.util.Set; import java.util.SortedSet; import java.util.TreeSet; import java.util.regex.Matcher; import java.util.regex.Pattern; import com.sun.javadoc.PackageDoc; /** * Filters a set of packages according to a set of wildcards. */ public class PackageMatcher { private Set patterns = new HashSet(); /** * Add a wildcard to be matched. Wildcards can contain asterisk * characters which match zero or more characters. * * @throw InvalidPackageWildcardException if the wildcard cannot * match any valid package name. */ public void addWildcard(String wildcard) throws InvalidPackageWildcardException { final int STATE_ID_START = 0; final int STATE_ID = 1; int state = STATE_ID_START; char[] wildcardChars = wildcard.toCharArray(); StringBuffer regexString = new StringBuffer(); for (int i=0; i