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This library provides a subclass of DateFormat class to parse and format dates formats of which are specified by ISO 8601.

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ISO 8601 DateFormat

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This library provides a subclass of DateFormat class to parse and format dates formats of which are specified by ISO 8601 (or by RFC 3339 or W3C-DTF).

Currently, only combined date and time representations with extended format are supported.

  • 2016-01-01T00:30:21Z
  • 2016-01-01T09:30:21+09:00

Targets of this library

  • Java SE 6 environments
  • Android platforms

On these runtime environments, the SimpleDateFormat class doesn't support ISO 8601 time zone fully. (On Android platforms, the Z pattern character is able to read a time zone style of which is ±HH:MM. But it cannot read Z.)

On Java SE 7 environments (or later), you can use X pattern character with SimpleDateFormat class. (e.g. new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssX", Locale.ROOT).)

On Java SE 8 environments (or later), you should probably use the Date and Time API. If you want to use Date and Time API on Android platforms, see ThreeTen Android Backport.

Dependencies

This library is published to JCenter. With Gradle, write following settings to use this library.

repositories { jcenter() }
dependencies {
    compile 'info.vividcode:date-format-iso8601:1.0.0'
}

Usage

import info.vividcode.time.iso8601.Iso8601ExtendedOffsetDateTimeFormat;

DateFormat f = new Iso8601ExtendedOffsetDateTimeFormat();
Date d1 = f.parse("1970-01-01T00:00:00Z");
Date d2 = f.parse("1970-01-01T09:00:00+09:00");

License

Copyright 2016 NOBUOKA Yu

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.

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This library provides a subclass of DateFormat class to parse and format dates formats of which are specified by ISO 8601.

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