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package com.temp.shared.validators; |
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import com.temp.shared.ValueValidator; |
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import org.litesoft.core.util.externalization.E13nData; |
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import com.temp.shared.utils.StringUtils; |
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import org.litesoft.core.util.externalization.*; |
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import com.temp.shared.*; |
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import com.temp.shared.utils.*; |
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/** |
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* Email Address Validator, that requires at a minimum that an email address |
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* consists of at least: an addressee, an at sign ('@'), and a domain. |
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* |
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* <p/> |
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* Specifically, no spaces or control characters are allowed, addresses can not |
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* be empty, and the domain must consist of at least two levels separated by |
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* periods ('.'). |
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* |
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* <p/> |
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* The resulting format for the email is:<br /> |
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* <ul> |
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* (addressee)@[((domain).)*](secondary domain).(primary domain) |
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@@ -40,73 +41,71 @@ |
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protected EmailValidator() { |
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} |
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public boolean isValid(String email) { |
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return (null == checkValue(email)); |
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public boolean isValid( String email ) { |
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return (null == checkValue( email )); |
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} |
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@Override |
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public E13nData checkValue(String email) { |
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email = StringUtils.noEmpty(email); |
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if (email == null) { |
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return new E13nData(ErrorTemplateIdCode.EmailEmpty); |
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public E13nData checkValue( String email ) { |
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email = StringUtils.noEmpty( email ); |
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if ( email == null ) { |
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return new E13nData( ErrorTemplateIdCode.EmailEmpty ); |
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} |
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int at = email.indexOf(' '); |
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if (at != -1) { |
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return new E13nData(ErrorTemplateIdCode.EmailNoSpacesAllowed); |
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int at = email.indexOf( ' ' ); |
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if ( at != -1 ) { |
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return new E13nData( ErrorTemplateIdCode.EmailNoSpacesAllowed ); |
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} |
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at = StringUtils.indexOfControlCharacter(email); |
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if (at != -1) { |
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return new E13nData(ErrorTemplateIdCode.EmailNoCtrlCharsAllowed); |
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at = StringUtils.indexOfControlCharacter( email ); |
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if ( at != -1 ) { |
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return new E13nData( ErrorTemplateIdCode.EmailNoCtrlCharsAllowed ); |
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} |
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at = email.indexOf('@'); |
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if (at == -1) { |
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return new E13nData(ErrorTemplateIdCode.EmailNoAtSign); |
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at = email.indexOf( '@' ); |
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if ( at == -1 ) { |
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return new E13nData( ErrorTemplateIdCode.EmailNoAtSign ); |
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} |
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String addressee = email.substring(0, at); |
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String domain = email.substring(at + 1); |
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if (domain.indexOf('.') == -1) { |
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return new E13nData(ErrorTemplateIdCode.EmailNoSecondaryDomain); |
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String addressee = email.substring( 0, at ); |
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String domain = email.substring( at + 1 ); |
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if ( domain.indexOf( '.' ) == -1 ) { |
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return new E13nData( ErrorTemplateIdCode.EmailNoSecondaryDomain ); |
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} |
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if (!domainOK(domain)) { |
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return new E13nData(ErrorTemplateIdCode.EmailInvalidDomainFormat); |
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if ( !domainOK( domain ) ) { |
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return new E13nData( ErrorTemplateIdCode.EmailInvalidDomainFormat ); |
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} |
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if (addressee.length() == 0) { |
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return new E13nData(ErrorTemplateIdCode.EmailNoAddressee); |
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if ( addressee.length() == 0 ) { |
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return new E13nData( ErrorTemplateIdCode.EmailNoAddressee ); |
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} |
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return addresseeOK(addressee) ? null : new E13nData(ErrorTemplateIdCode.EmailInvalidAddresseeFormat); |
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return addresseeOK( addressee ) ? null : new E13nData( ErrorTemplateIdCode.EmailInvalidAddresseeFormat ); |
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} |
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protected boolean domainOK(String domain) { |
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protected boolean domainOK( String domain ) { |
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int from = 0; |
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for (int at; -1 != (at = domain.indexOf('.', from)); from = at + 1) { |
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if (!subDomainOK(domain.substring(from, at))) { |
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for ( int at; -1 != (at = domain.indexOf( '.', from )); from = at + 1 ) { |
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if ( !subDomainOK( domain.substring( from, at ) ) ) { |
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return false; |
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} |
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} |
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return subDomainOK(domain.substring(from)); |
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return subDomainOK( domain.substring( from ) ); |
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} |
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/** |
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* Check that the Sub-Domain is OK. |
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* |
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* <p/> |
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* TODO: this should be evolved to have the "real" rules! |
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* |
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* @param subDomain |
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* !null |
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* @param subDomain !null |
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*/ |
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protected boolean subDomainOK(String subDomain) { |
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protected boolean subDomainOK( String subDomain ) { |
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return (subDomain.length() != 0); |
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} |
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/** |
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* Check that the Addressee is OK. |
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* |
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* <p/> |
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* TODO: this should be evolved to have the "real" rules! |
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* |
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* @param addressee |
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* !null |
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* @param addressee !null |
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*/ |
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protected boolean addresseeOK(String addressee) { |
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protected boolean addresseeOK( String addressee ) { |
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return true; |
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} |
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} |
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