001    /*
002     * $Id: Searchable.java,v 1.4 2005/11/14 15:23:55 kizune Exp $
003     *
004     * Copyright 2004 Sun Microsystems, Inc., 4150 Network Circle,
005     * Santa Clara, California 95054, U.S.A. All rights reserved.
006     *
007     * This library is free software; you can redistribute it and/or
008     * modify it under the terms of the GNU Lesser General Public
009     * License as published by the Free Software Foundation; either
010     * version 2.1 of the License, or (at your option) any later version.
011     * 
012     * This library is distributed in the hope that it will be useful,
013     * but WITHOUT ANY WARRANTY; without even the implied warranty of
014     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
015     * Lesser General Public License for more details.
016     * 
017     * You should have received a copy of the GNU Lesser General Public
018     * License along with this library; if not, write to the Free Software
019     * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
020     */
021    
022    package org.jdesktop.swingx;
023    
024    import java.util.regex.Pattern;
025    
026    /**
027     * Interface that used to implement search logic in all the search capable 
028     * components. 
029     *
030     * @author Ramesh Gupta
031     */
032    public interface Searchable {
033    
034        /**
035         * Search <code>searchString</code> from the beginning of a document.
036         *
037         * @param searchString <code>String</code> we should find in a document.
038         *
039         * @return index of matched <code>String</code> or -1 if a match cannot be found.
040         */
041        public int search(String searchString);
042        
043        /**
044         * Search <code>searchString</code> from the given position in a document.
045         *
046         * @param searchString <code>String</code> we should find in a document.
047         * @param startIndex Start position in a document or -1 if we want to search from the beginning.
048         *
049         * @return index of matched <code>String</code> or -1 if a match cannot be found.
050         */
051        public int search(String searchString, int startIndex);
052    
053        /**
054         * Search <code>searchString</code> in the given direction from the some position in a document.
055         *
056         * @param searchString <code>String</code> we should find in a document.
057         * @param startIndex Start position in a document or -1 if we want to search from the beginning.
058         * @param backward Indicates search direction, will search from the given position towards the 
059         *                 beginning of a document if this parameter is <code>true</code>.
060         *
061         * @return index of matched <code>String</code> or -1 if a match cannot be found.
062         */
063        public int search(String searchString, int startIndex, boolean backward);
064        
065        /**
066         * Search for the pattern from the beginning of the document.
067         *
068         * @param pattern Pattern for search
069         *
070         * @return  index of matched <code>Pattern</code> or -1 if a match cannot be found.
071         */
072        public int search(Pattern pattern);
073    
074        /**
075         * Search for the pattern from the start index.
076         * @param pattern Pattern for search
077         * @param startIndex starting index of search. If -1 then start from the beginning
078         * @return index of matched pattern or -1 if a match cannot be found.
079         */
080        public int search(Pattern pattern, int startIndex);
081    
082        /**
083         * Search for the pattern from the start index.
084         * @param pattern Pattern for search
085         * @param startIndex starting index of search. If -1 then start from the beginning
086         * @param backward indicates the direction if true then search is backwards
087         * @return index of matched pattern or -1 if a match cannot be found.
088         */
089        public int search(Pattern pattern, int startIndex, boolean backward);
090    }