Package com.github.fge.jsonschema.format

Format attribute base classes

See: Description

Interface Summary

Interface	Description
FormatAttribute	Interface for a format attribute validator

Class Summary

Class	Description
AbstractFormatAttribute	Base abstract class for a format attribute

Package com.github.fge.jsonschema.format Description

Format attribute base classes

The format keyword plays a particular role in JSON Schema validation, since it is the only keyword performing semantic validation. Note that supporting it is optional, and that implementations are asked to provide a way to deactivate format checking on demand. This implementation offers this option.

Draft v4 defines a narrower subset of format attributes than draft v3. The following format attributes are common to both draft v3 and draft v4:

• date-time;
• email;
• host-name;
• ipv6;
• regex;
• uri.

Draft v3 defines the following additional attributes:

• date;
• phone;
• time;
• utc-millisec;
• color (unsupported);
• style (unsupported).

Additionally, there is an attribute named ip-address in draft v3, and ipv4 in draft v4, which can validate IPv4 addresses.