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Grace Framework : Grace Plugin Databinding
/*
* Copyright 2004-2022 the original author or authors.
*
* 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
*
* https://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 org.grails.databinding.converters
import java.time.Instant
import java.time.LocalDate
import java.time.LocalDateTime
import java.time.LocalTime
import java.time.OffsetDateTime
import java.time.OffsetTime
import java.time.Period
import java.time.ZonedDateTime
import java.time.format.DateTimeFormatter
import grails.databinding.TypedStructuredBindingEditor
import grails.databinding.converters.FormattedValueConverter
import grails.databinding.converters.ValueConverter
import org.grails.plugins.databinding.DataBindingConfigurationProperties
class Jsr310ConvertersConfiguration {
Set formatStrings = []
Jsr310ConvertersConfiguration() {
}
Jsr310ConvertersConfiguration(DataBindingConfigurationProperties configurationProperties) {
this.formatStrings = configurationProperties.dateFormats as Set
}
FormattedValueConverter offsetDateTimeConverter() {
new FormattedValueConverter() {
@Override
Object convert(Object value, String format) {
OffsetDateTime.parse((CharSequence) value, DateTimeFormatter.ofPattern(format))
}
@Override
Class getTargetType() {
OffsetDateTime
}
}
}
ValueConverter offsetDateTimeValueConverter() {
new Jsr310DateValueConverter() {
@Override
OffsetDateTime convert(Object value) {
convert(value) { String format ->
OffsetDateTime.parse((CharSequence) value, DateTimeFormatter.ofPattern(format))
}
}
@Override
Class getTargetType() {
OffsetDateTime
}
}
}
TypedStructuredBindingEditor offsetDateTimeStructuredBindingEditor() {
new CustomDateBindingEditor() {
@Override
OffsetDateTime getDate(Calendar c) {
OffsetDateTime.ofInstant(c.toInstant(), c.timeZone.toZoneId())
}
@Override
Class getTargetType() {
OffsetDateTime
}
}
}
FormattedValueConverter offsetTimeConverter() {
new FormattedValueConverter() {
@Override
Object convert(Object value, String format) {
OffsetTime.parse((CharSequence) value, DateTimeFormatter.ofPattern(format))
}
@Override
Class getTargetType() {
OffsetTime
}
}
}
ValueConverter offsetTimeValueConverter() {
new Jsr310DateValueConverter() {
@Override
OffsetTime convert(Object value) {
convert(value) { String format ->
OffsetTime.parse((CharSequence) value, DateTimeFormatter.ofPattern(format))
}
}
@Override
Class getTargetType() {
OffsetTime
}
}
}
TypedStructuredBindingEditor offsetTimeStructuredBindingEditor() {
new CustomDateBindingEditor() {
@Override
OffsetTime getDate(Calendar c) {
OffsetTime.ofInstant(c.toInstant(), c.timeZone.toZoneId())
}
@Override
Class getTargetType() {
OffsetTime
}
}
}
FormattedValueConverter localDateTimeConverter() {
new FormattedValueConverter() {
@Override
Object convert(Object value, String format) {
LocalDateTime.parse((CharSequence) value, DateTimeFormatter.ofPattern(format))
}
@Override
Class getTargetType() {
LocalDateTime
}
}
}
ValueConverter localDateTimeValueConverter() {
new Jsr310DateValueConverter() {
@Override
LocalDateTime convert(Object value) {
convert(value) { String format ->
LocalDateTime.parse((CharSequence) value, DateTimeFormatter.ofPattern(format))
}
}
@Override
Class getTargetType() {
LocalDateTime
}
}
}
TypedStructuredBindingEditor localDateTimeStructuredBindingEditor() {
new CustomDateBindingEditor() {
@Override
LocalDateTime getDate(Calendar c) {
LocalDateTime.ofInstant(c.toInstant(), c.timeZone.toZoneId())
}
@Override
Class getTargetType() {
LocalDateTime
}
}
}
FormattedValueConverter localDateConverter() {
new FormattedValueConverter() {
@Override
Object convert(Object value, String format) {
LocalDate.parse((CharSequence) value, DateTimeFormatter.ofPattern(format))
}
@Override
Class getTargetType() {
LocalDate
}
}
}
ValueConverter localDateValueConverter() {
new Jsr310DateValueConverter() {
@Override
LocalDate convert(Object value) {
convert(value) { String format ->
LocalDate.parse((CharSequence) value, DateTimeFormatter.ofPattern(format))
}
}
@Override
Class getTargetType() {
LocalDate
}
}
}
TypedStructuredBindingEditor localDateStructuredBindingEditor() {
new CustomDateBindingEditor() {
@Override
LocalDate getDate(Calendar c) {
LocalDate.of(c.get(Calendar.YEAR), c.get(Calendar.MONTH) + 1, c.get(Calendar.DAY_OF_MONTH))
}
@Override
Class getTargetType() {
LocalDate
}
}
}
FormattedValueConverter localTimeConverter() {
new FormattedValueConverter() {
@Override
Object convert(Object value, String format) {
LocalTime.parse((CharSequence) value, DateTimeFormatter.ofPattern(format))
}
@Override
Class getTargetType() {
LocalTime
}
}
}
ValueConverter localTimeValueConverter() {
new Jsr310DateValueConverter() {
@Override
LocalTime convert(Object value) {
convert(value) { String format ->
LocalTime.parse((CharSequence) value, DateTimeFormatter.ofPattern(format))
}
}
@Override
Class getTargetType() {
LocalTime
}
}
}
TypedStructuredBindingEditor localTimeStructuredBindingEditor() {
new CustomDateBindingEditor() {
@Override
LocalTime getDate(Calendar c) {
LocalTime.of(c.get(Calendar.HOUR_OF_DAY), c.get(Calendar.MINUTE), c.get(Calendar.SECOND))
}
@Override
Class getTargetType() {
LocalTime
}
}
}
FormattedValueConverter zonedDateTimeConverter() {
new FormattedValueConverter() {
@Override
Object convert(Object value, String format) {
ZonedDateTime.parse((CharSequence) value, DateTimeFormatter.ofPattern(format))
}
@Override
Class getTargetType() {
ZonedDateTime
}
}
}
ValueConverter zonedDateTimeValueConverter() {
new Jsr310DateValueConverter() {
@Override
ZonedDateTime convert(Object value) {
convert(value) { String format ->
ZonedDateTime.parse((CharSequence) value, DateTimeFormatter.ofPattern(format))
}
}
@Override
Class getTargetType() {
ZonedDateTime
}
}
}
TypedStructuredBindingEditor zonedDateTimeStructuredBindingEditor() {
new CustomDateBindingEditor() {
@Override
ZonedDateTime getDate(Calendar c) {
ZonedDateTime.ofInstant(c.toInstant(), c.timeZone.toZoneId())
}
@Override
Class getTargetType() {
ZonedDateTime
}
}
}
ValueConverter periodValueConverter() {
new Jsr310DateValueConverter() {
@Override
Period convert(Object value) {
Period.parse((CharSequence) value)
}
@Override
Class getTargetType() {
Period
}
}
}
ValueConverter instantStringValueConverter() {
new ValueConverter() {
@Override
boolean canConvert(Object value) {
value instanceof CharSequence
}
@Override
Object convert(Object value) {
Instant.parse((CharSequence) value)
}
@Override
Class getTargetType() {
Instant
}
}
}
ValueConverter instantValueConverter() {
new ValueConverter() {
@Override
boolean canConvert(Object value) {
value instanceof Number
}
@Override
Object convert(Object value) {
Instant.ofEpochMilli(((Number) value).longValue())
}
@Override
Class getTargetType() {
Instant
}
}
}
abstract class Jsr310DateValueConverter implements ValueConverter {
@Override
boolean canConvert(Object value) {
value instanceof String
}
T convert(Object value, Closure callable) {
T dateValue
if (value instanceof String) {
if (!value) {
return null
}
def firstException
formatStrings.each { String format ->
if (dateValue == null) {
try {
dateValue = (T) callable.call(format)
}
catch (Exception e) {
firstException = firstException ?: e
}
}
}
if (dateValue == null && firstException) {
throw firstException
}
}
dateValue
}
@Override
abstract Class getTargetType()
}
abstract class CustomDateBindingEditor extends AbstractStructuredDateBindingEditor implements TypedStructuredBindingEditor {
}
}
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