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/*
* The MIT License
*
* Copyright (c) 2009-2023 PrimeTek Informatics
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package org.primefaces.convert;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.time.ZoneId;
import java.time.format.DateTimeFormatter;
import java.util.HashMap;
import java.util.Locale;
import java.util.Map;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.convert.ConverterException;
import org.primefaces.component.datepicker.DatePicker;
import org.primefaces.util.CalendarUtils;
import org.primefaces.util.HTML;
public class DateTimeConverter extends javax.faces.convert.DateTimeConverter implements ClientConverter {
private Map metadata;
@Override
public Object getAsObject(FacesContext context, UIComponent component, String value) {
if (component instanceof DatePicker) {
return getAsObject(context, (DatePicker) component, value);
}
return super.getAsObject(context, component, value);
}
public Object getAsObject(FacesContext context, DatePicker datePicker, String value) {
if (value == null) {
return null;
}
String type = getType();
boolean isDate = "date".equals(type);
boolean isLocalDateTime = "localDateTime".equals(type);
if (isDate || isLocalDateTime) {
try {
DateTimeFormatter formatter = getDateTimeFormatter(context, datePicker);
LocalTime time = datePicker.isShowTime()
? LocalTime.parse(value, formatter)
: LocalTime.MIDNIGHT;
ZoneId zone = CalendarUtils.calculateZoneId(datePicker.getTimeZone());
LocalDateTime localDateTime = LocalDate.parse(value, formatter)
.atTime(time)
.atZone(zone)
.withZoneSameInstant(ZoneId.systemDefault())
.toLocalDateTime();
if (isDate) {
return CalendarUtils.convertLocalDateTime2Date(localDateTime);
}
return localDateTime;
}
catch (Exception ex) {
throw new ConverterException(ex.getMessage(), ex);
}
}
return super.getAsObject(context, datePicker, value);
}
protected DateTimeFormatter getDateTimeFormatter(FacesContext context, DatePicker datePicker) {
String pattern = datePicker.calculatePattern();
Locale locale = datePicker.calculateLocale(context);
return DateTimeFormatter.ofPattern(pattern, locale);
}
@Override
public Map getMetadata() {
if (metadata == null) {
String pattern = this.getPattern();
String type = this.getType();
String dateStyle = this.getDateStyle();
String timeStyle = this.getTimeStyle();
metadata = new HashMap<>();
if (pattern != null) {
metadata.put(HTML.ValidationMetadata.PATTERN, CalendarUtils.convertPattern(pattern));
}
if (type != null) {
String typeCleared = type;
if ("localDate".equalsIgnoreCase(typeCleared)) {
typeCleared = "date";
}
else if ("localTime".equalsIgnoreCase(typeCleared)) {
typeCleared = "time";
}
else if ("localDateTime".equalsIgnoreCase(typeCleared)) {
typeCleared = "both";
}
metadata.put(HTML.ValidationMetadata.DATETIME_TYPE, typeCleared);
if (pattern == null) {
DateFormat df = null;
if ("both".equals(type)) {
df = DateFormat.getDateInstance(getStyle(dateStyle), this.getLocale());
metadata.put(HTML.ValidationMetadata.DATE_STYLE_PATTERN, CalendarUtils.convertPattern(((SimpleDateFormat) df).toPattern()));
df = DateFormat.getTimeInstance(getStyle(timeStyle), this.getLocale());
metadata.put(HTML.ValidationMetadata.TIME_STYLE_PATTERN, CalendarUtils.convertPattern(((SimpleDateFormat) df).toPattern()));
}
else if ("date".equals(type)) {
df = DateFormat.getDateInstance(getStyle(dateStyle), this.getLocale());
metadata.put(HTML.ValidationMetadata.DATE_STYLE_PATTERN, CalendarUtils.convertPattern(((SimpleDateFormat) df).toPattern()));
}
else if ("time".equals(type)) {
df = DateFormat.getTimeInstance(getStyle(timeStyle), this.getLocale());
metadata.put(HTML.ValidationMetadata.TIME_STYLE_PATTERN, CalendarUtils.convertPattern(((SimpleDateFormat) df).toPattern()));
}
}
}
}
return metadata;
}
@Override
public String getConverterId() {
return DateTimeConverter.CONVERTER_ID;
}
private int getStyle(String style) {
if ("default".equals(style)) {
return (DateFormat.DEFAULT);
}
else if ("short".equals(style)) {
return (DateFormat.SHORT);
}
else if ("medium".equals(style)) {
return (DateFormat.MEDIUM);
}
else if ("long".equals(style)) {
return (DateFormat.LONG);
}
else if ("full".equals(style)) {
return (DateFormat.FULL);
}
else {
throw new ConverterException("Invalid style '" + style + '\'');
}
}
}
