EmailValidator (Apache Commons Validator 1.6 API)

java.lang.Object
- org.apache.commons.validator.routines.EmailValidator

All Implemented Interfaces:

Serializable
```
public class EmailValidator
extends Object
implements Serializable
```
Perform email validations.

Based on a script by Sandeep V. Tamhankar http://javascript.internet.com

This implementation is not guaranteed to catch all possible errors in an email address.
.

Since:

Validator 1.4

Version:

$Revision: 1723573 $

See Also:
Serialized Form

Constructor Summary

Constructors
Modifier	Constructor and Description
`protected`	`EmailValidator(boolean allowLocal)` Protected constructor for subclasses to use.
`protected`	`EmailValidator(boolean allowLocal, boolean allowTld)` Protected constructor for subclasses to use.

Method Summary

Methods
Modifier and Type	Method and Description
`static EmailValidator`	`getInstance()` Returns the Singleton instance of this validator.
`static EmailValidator`	`getInstance(boolean allowLocal)` Returns the Singleton instance of this validator, with local validation as required.
`static EmailValidator`	`getInstance(boolean allowLocal, boolean allowTld)` Returns the Singleton instance of this validator, with local validation as required.
`boolean`	`isValid(String email)` Checks if a field has a valid e-mail address.
`protected boolean`	`isValidDomain(String domain)` Returns true if the domain component of an email address is valid.
`protected boolean`	`isValidUser(String user)` Returns true if the user component of an email address is valid.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - EmailValidator
```
protected EmailValidator(boolean allowLocal,
              boolean allowTld)
```
    Protected constructor for subclasses to use.
    
    Parameters:
    allowLocal - Should local addresses be considered valid?
    allowTld - Should TLDs be allowed?
  - EmailValidator
```
protected EmailValidator(boolean allowLocal)
```
    Protected constructor for subclasses to use.
    
    Parameters:
    allowLocal - Should local addresses be considered valid?
- Method Detail
  - getInstance
```
public static EmailValidator getInstance()
```
    Returns the Singleton instance of this validator.
    
    Returns:
    singleton instance of this validator.
  - getInstance
```
public static EmailValidator getInstance(boolean allowLocal,
                         boolean allowTld)
```
    Returns the Singleton instance of this validator, with local validation as required.
    
    Parameters:
    allowLocal - Should local addresses be considered valid?
    allowTld - Should TLDs be allowed?
    
    Returns:
    singleton instance of this validator
  - getInstance
```
public static EmailValidator getInstance(boolean allowLocal)
```
    Returns the Singleton instance of this validator, with local validation as required.
    
    Parameters:
    allowLocal - Should local addresses be considered valid?
    
    Returns:
    singleton instance of this validator
  - isValid
```
public boolean isValid(String email)
```
    Checks if a field has a valid e-mail address.
    
    Parameters:
    email - The value validation is being performed on. A null value is considered invalid.
    
    Returns:
    true if the email address is valid.
  - isValidDomain
```
protected boolean isValidDomain(String domain)
```
    Returns true if the domain component of an email address is valid.
    
    Parameters:
    domain - being validated, may be in IDN format
    
    Returns:
    true if the email address's domain is valid.
  - isValidUser
```
protected boolean isValidUser(String user)
```
    Returns true if the user component of an email address is valid.
    
    Parameters:
    user - being validated
    
    Returns:
    true if the user name is valid.

Class EmailValidator

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

EmailValidator

EmailValidator

Method Detail

getInstance

getInstance

getInstance

isValid

isValidDomain

isValidUser