org.springframework.validation Documentation Differences

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Default implementation of the MessageCodesResolver interface.

Will create two message codes for an object error, in the following order (when using the prefixed formatter):

• 1.: code + "." + object name
• 2.: code

Will create four message codes for a field specification, in the following order:

• 1.: code + "." + object name + "." + field
• 2.: code + "." + field
• 3.: code + "." + field type
• 4.: code

For example, in case of code "typeMismatch", object name "user", field "age":

• 1. try "typeMismatch.user.age"
• 2. try "typeMismatch.age"
• 3. try "typeMismatch.int"
• 4. try "typeMismatch"

This resolution algorithm thus can be leveraged for example to show specific messages for binding errors like "required" and "typeMismatch":

• at the object + field level ("age" field, but only on "user");
• at the field level (all "age" fields, no matter which object name);
• or at the general level (all fields, on any object).

In case of array, List or java.util.Map properties, both codes for specific elements and for the whole collection are generated. Assuming a field "name" of an array "groups" in object "user":

• 1. try "typeMismatch.user.groups[0].name"
• 2. try "typeMismatch.user.groups.name"
• 3. try "typeMismatch.groups[0].name"
• 4. try "typeMismatch.groups.name"
• 5. try "typeMismatch.name"
• 6. try "typeMismatch.java.lang.String"
• 7. try "typeMismatch"

By default the {@code errorCode}s will be placed at the beginning of constructed message strings. The messageCodeFormatter property can be used to specify an alternative concatenation format.

In order to group all codes into a specific category within your resource bundles, e.g. "validation.typeMismatch.name" instead of the default "typeMismatch.name", consider specifying a prefix to be applied. @author Juergen Hoeller @author Phillip Webb @author Chris Beams @since 1.0.1