February 2014
Beginner
1248 pages
62h 25m
English
Content preview from Java™ How To Program (Early Objects), Tenth EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Section 30.7 Validation Using JSF Standard Validators
• Form validation (p. 21) helps prevent processing errors due to incomplete or improperly formatted user input.
• An f:validateLength validator (p. 21) determines whether a field contains an acceptable number of characters.
• f:validateDoubleRange and f:validateLongRange validators (p. 21) determine whether numeric input falls within acceptable ranges.
• An f:validateRequired validator (p. 21) determines whether a field contains a value.
• An f:validateRegex validator (p. 21) determines whether a field contains a string that matches a specified regular expression pattern.
• An f:validateBean validator (p. 21) invokes a bean method that performs custom validation.
• An h:outputText element ...
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