| Clover coverage report - Ledge Components - SNAPSHOT |
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| Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
| DateFormatter.java | - | 100% | 100% | 100% |
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| 1 | // | |
| 2 | // Copyright (c) 2003, Caltha - Gajda, Krzewski, Mach, Potempski Sp.J. | |
| 3 | // All rights reserved. | |
| 4 | // | |
| 5 | // Redistribution and use in source and binary forms, with or without modification, | |
| 6 | // are permitted provided that the following conditions are met: | |
| 7 | // | |
| 8 | // * Redistributions of source code must retain the above copyright notice, | |
| 9 | // this list of conditions and the following disclaimer. | |
| 10 | // * Redistributions in binary form must reproduce the above copyright notice, | |
| 11 | // this list of conditions and the following disclaimer in the documentation | |
| 12 | // and/or other materials provided with the distribution. | |
| 13 | // * Neither the name of the Caltha - Gajda, Krzewski, Mach, Potempski Sp.J. | |
| 14 | // nor the names of its contributors may be used to endorse or promote products | |
| 15 | // derived from this software without specific prior written permission. | |
| 16 | // | |
| 17 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
| 18 | // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
| 19 | // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. | |
| 20 | // IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, | |
| 21 | // INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | |
| 22 | // BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, | |
| 23 | // OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, | |
| 24 | // WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 25 | // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
| 26 | // POSSIBILITY OF SUCH DAMAGE. | |
| 27 | // | |
| 28 | package org.objectledge.utils; | |
| 29 | ||
| 30 | import java.text.DateFormat; | |
| 31 | import java.text.ParseException; | |
| 32 | import java.text.SimpleDateFormat; | |
| 33 | import java.util.Date; | |
| 34 | import java.util.Locale; | |
| 35 | ||
| 36 | import org.apache.commons.pool.BasePoolableObjectFactory; | |
| 37 | import org.apache.commons.pool.ObjectPool; | |
| 38 | import org.apache.commons.pool.impl.GenericObjectPool; | |
| 39 | ||
| 40 | /** | |
| 41 | * Date formatter component. | |
| 42 | * | |
| 43 | * @author <a href="mailto:rafal@caltha.pl">Rafal Krzewski</a> | |
| 44 | * @version $Id: DateFormatter.java,v 1.2 2004/12/27 05:17:43 rafal Exp $ | |
| 45 | */ | |
| 46 | public class DateFormatter | |
| 47 | { | |
| 48 | private String pattern; | |
| 49 | ||
| 50 | private Locale locale; | |
| 51 | ||
| 52 | private ObjectPool dateFormatPool = new GenericObjectPool(new DateFormatFactory()); | |
| 53 | ||
| 54 | /** | |
| 55 | * Constructs an instance of the date formatter. | |
| 56 | * | |
| 57 | * @param pattern the formatting pattern. | |
| 58 | * @param locale the locale name. | |
| 59 | */ | |
| 60 | 92 | public DateFormatter(String pattern, String locale) |
| 61 | { | |
| 62 | 92 | this.pattern = pattern; |
| 63 | 92 | this.locale = StringUtils.getLocale(locale); |
| 64 | } | |
| 65 | ||
| 66 | /** | |
| 67 | * Format date to string according to defined pattern. | |
| 68 | * | |
| 69 | * @param date the date. | |
| 70 | * @return the string representation of date. | |
| 71 | */ | |
| 72 | 46 | public String format(Date date) |
| 73 | { | |
| 74 | 46 | DateFormat df = getDateFormat(); |
| 75 | 46 | try |
| 76 | { | |
| 77 | 46 | return df.format(date); |
| 78 | } | |
| 79 | finally | |
| 80 | { | |
| 81 | 46 | releaseDateForamt(df); |
| 82 | } | |
| 83 | } | |
| 84 | ||
| 85 | /** | |
| 86 | * Parse date from string. | |
| 87 | * | |
| 88 | * @param source the string representation of date. | |
| 89 | * @return the date. | |
| 90 | * @throws ParseException if string format is invalid. | |
| 91 | */ | |
| 92 | 46 | public Date parse(String source) |
| 93 | throws ParseException | |
| 94 | { | |
| 95 | 46 | DateFormat df = getDateFormat(); |
| 96 | 46 | try |
| 97 | { | |
| 98 | 46 | return df.parse(source); |
| 99 | } | |
| 100 | finally | |
| 101 | { | |
| 102 | 46 | releaseDateForamt(df); |
| 103 | } | |
| 104 | } | |
| 105 | ||
| 106 | /** | |
| 107 | * Acquired DateFormat object from the pool. | |
| 108 | * | |
| 109 | * @return DateFormat object. | |
| 110 | */ | |
| 111 | 92 | private DateFormat getDateFormat() |
| 112 | { | |
| 113 | 92 | try |
| 114 | { | |
| 115 | 92 | return (DateFormat)dateFormatPool.borrowObject(); |
| 116 | } | |
| 117 | ///CLOVER:OFF | |
| 118 | catch(Exception e) | |
| 119 | { | |
| 120 | throw (RuntimeException)new IllegalStateException("unexpected object pool failure"). | |
| 121 | initCause(e); | |
| 122 | } | |
| 123 | ///CLOVER:ON | |
| 124 | } | |
| 125 | ||
| 126 | /** | |
| 127 | * Releases DateFormat object into the pool. | |
| 128 | * | |
| 129 | * @param format DateFormat object. | |
| 130 | */ | |
| 131 | 92 | private void releaseDateForamt(DateFormat format) |
| 132 | { | |
| 133 | 92 | try |
| 134 | { | |
| 135 | 92 | dateFormatPool.returnObject(format); |
| 136 | } | |
| 137 | ///CLOVER:OFF | |
| 138 | catch(Exception e) | |
| 139 | { | |
| 140 | throw (RuntimeException)new IllegalStateException("unexpected object pool failure"). | |
| 141 | initCause(e); | |
| 142 | } | |
| 143 | ///CLOVER:ON | |
| 144 | } | |
| 145 | ||
| 146 | /** | |
| 147 | * A factory of DateFormat objects. | |
| 148 | */ | |
| 149 | private class DateFormatFactory | |
| 150 | extends BasePoolableObjectFactory | |
| 151 | { | |
| 152 | /** | |
| 153 | * {@inheritDoc} | |
| 154 | */ | |
| 155 | 92 | public Object makeObject() throws Exception |
| 156 | { | |
| 157 | 92 | return new SimpleDateFormat(pattern, locale); |
| 158 | } | |
| 159 | } | |
| 160 | } | |
| 161 |
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