Java tutorial
/* * Copyright 2011-2012 Daisuke Miyamoto. (http://d.hatena.ne.jp/daisuke-m) * Created on 2011/10/18 * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, * either express or implied. See the License for the specific language * governing permissions and limitations under the License. */ package jp.xet.baseunits.wicket; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Locale; import java.util.TimeZone; import jp.xet.baseunits.time.TimePointOfDay; import org.apache.wicket.util.convert.converter.AbstractConverter; import org.apache.wicket.util.lang.Args; import org.apache.wicket.util.string.Strings; /** * Converts from Object to {@link TimePointOfDay}. * * @author daisuke * @since 2.0 */ @SuppressWarnings("serial") public class TimePointOfDayConverter extends AbstractConverter<TimePointOfDay> { /** default time pattern */ public static final String DEFAILT_PATTERN = "HH:mm"; private final String timePattern; private final TimeZone timeZone; /** * ?? * * @param timePattern {@link SimpleDateFormat}???? * @param timeZone * @throws IllegalArgumentException ?{@code null}??? */ public TimePointOfDayConverter(String timePattern, TimeZone timeZone) { Args.notNull(timePattern, "timePattern"); Args.notNull(timeZone, "timeZone"); this.timePattern = timePattern; this.timeZone = timeZone; } /** * ?? * * @param timeZone * @throws IllegalArgumentException ?{@code null}??? */ public TimePointOfDayConverter(TimeZone timeZone) { this(DEFAILT_PATTERN, timeZone); } @Override public TimePointOfDay convertToObject(String value, Locale locale) { if (Strings.isEmpty(value)) { return null; } try { return TimePointOfDay.parse(value, timePattern, timeZone); } catch (ParseException e) { throw newConversionException("Cannot convert '" + value + "' to TimePointOfDay", value, locale); } } @Override public String convertToString(TimePointOfDay value, Locale locale) { return value == null ? null : value.toString(timePattern, timeZone); } @Override protected Class<TimePointOfDay> getTargetType() { return TimePointOfDay.class; } }