001    /*
002     * Copyright (c) 2009 The openGion Project.
003     *
004     * Licensed under the Apache License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     *
008     *     http://www.apache.org/licenses/LICENSE-2.0
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
013     * either express or implied. See the License for the specific language
014     * governing permissions and limitations under the License.
015     */
016    package org.opengion.fukurou.model;
017    
018    import java.util.regex.Pattern ;
019    
020    /**
021     * Native Type(int型やlong型?を管?るEnum型です?
022     *
023     * @og.group 画面表示
024     *
025     * @version  4.0
026     * @author   Hiroki Nakamura
027     * @since    JDK5.0,
028     */
029    public enum NativeType {
030    
031            /** NATIVEの?[int] の識別コー?(INT)  */
032            INT             ,
033    
034            /** NATIVEの?[long] の識別コー?(LONG)  */
035            LONG    ,
036    
037            /** NATIVEの?[double] の識別コー?(DOUBLE)  */
038            DOUBLE  ,
039    
040            /** NATIVEの?[String] の識別コー?(STRING)  */
041            STRING  ,
042    
043            /** NATIVEの?[Calendar] の識別コー?(CALENDAR)  */
044            CALENDAR ;
045    
046            private static final Pattern P_INT              = Pattern.compile("-?[0-9]{1,9}");
047            private static final Pattern P_LONG             = Pattern.compile("-?[0-9]+");
048            private static final Pattern P_DOUBLE   = Pattern.compile("-?[0-9]+\\.?[0-9]+");
049            private static final Pattern P_CALENDAR = Pattern.compile("[0-9]{4}/[01]{1}[0-9]{1}/[0-3]{1}[0-9]{1}");
050    
051            /**
052             * ????が?どの、NativeType なのか?判定します?
053             *
054             * 判定ロジ?は、以下?様にして?す?
055             * <pre>
056             *   INT      = Pattern.compile("-?[0-9]{1,9}");
057             *   LONG     = Pattern.compile("-?[0-9]+");
058             *   DOUBLE   = Pattern.compile("-?[0-9]+\\.?[0-9]+");
059             *   CALENDAR = Pattern.compile("[0-9]{4}/[01]{1}[0-9]{1}/[0-3]{1}[0-9]{1}");
060             * </pre>
061             *
062             * @og.rev 5.1.8.0 (2010/07/01) 新規追?
063             *
064             * @param       str     判定する文字?
065             *
066             * @return      判定結果
067             */
068            public static NativeType getType( final String str ) {
069                    if( str == null ) { return STRING   ; }
070                    else if( P_INT.matcher(      str ).matches() ) { return INT      ; }
071                    else if( P_LONG.matcher(     str ).matches() ) { return LONG     ; }
072                    else if( P_DOUBLE.matcher(   str ).matches() ) { return DOUBLE   ; }
073                    else if( P_CALENDAR.matcher( str ).matches() ) { return CALENDAR ; }
074                    else                                           { return STRING   ; }
075            }
076    }