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/**
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* Copyright (C) 2009 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.cdm.validation.constraint;
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import javax.validation.ConstraintValidator;
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import javax.validation.ConstraintValidatorContext;
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import eu.etaxonomy.cdm.validation.annotation.NullOrNotEmpty;
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public class NullOrNotEmptyValidator implements ConstraintValidator<NullOrNotEmpty, String> {
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@Override
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public void initialize(NullOrNotEmpty nullOrNotEmpty) { }
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@Override
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public boolean isValid(String string, ConstraintValidatorContext constraintContext) {
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boolean isValid = false;
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if(string == null) {
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isValid = true;
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} else if(string.trim().length() > 0) {
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isValid = true;
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}
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return isValid;
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}
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}
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