47 lines
1.7 KiB
Java
47 lines
1.7 KiB
Java
/****************************************************************************
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* This software is part of the gCube Project.
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* Site: http://www.gcube-system.org/
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****************************************************************************
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* The gCube/gCore software is licensed as Free Open Source software
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* conveying to the EUPL (http://ec.europa.eu/idabc/eupl).
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* The software and documentation is provided by its authors/distributors
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* "as is" and no expressed or
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* implied warranty is given for its use, quality or fitness for a
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* particular case.
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****************************************************************************
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* Filename: XMLValidator.java
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****************************************************************************
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* @author <a href="mailto:daniele.strollo@isti.cnr.it">Daniele Strollo</a>
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***************************************************************************/
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package org.gcube.portlets.admin.sepeditor.client.forms.validators;
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import com.extjs.gxt.ui.client.widget.form.Field;
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import com.extjs.gxt.ui.client.widget.form.Validator;
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/**
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* @author Daniele Strollo (ISTI-CNR)
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*
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*/
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public class StringValidator implements Validator {
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private int maxLenght = 256;
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private boolean emptyAllowed = false;
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public StringValidator(final int maxLenght, final boolean emptyAllowed) {
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this.maxLenght = maxLenght;
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this.emptyAllowed = emptyAllowed;
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}
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public final String validate(final Field<?> field, final String value) {
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if (!emptyAllowed && (value == null || value.trim().length() == 0)) {
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return "The field value is invalid. Empty or null value not allowed.";
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}
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if (value != null && value.length() > this.maxLenght) {
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return "The value is too long. Limit of " + this.maxLenght + " chars exceeded.";
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}
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return null;
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}
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}
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