/**
* Copyright (C) 2003-2011 eXo Platform SAS.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 3
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see<http://www.gnu.org/licenses/>.
*/
package org.exoplatform.webui.form.validator;
import org.exoplatform.commons.serialization.api.annotations.Serialized;
import org.exoplatform.web.application.ApplicationMessage;
import org.exoplatform.webui.core.UIComponent;
import org.exoplatform.webui.exception.MessageException;
import org.exoplatform.webui.form.UIForm;
import org.exoplatform.webui.form.UIFormInput;
/**
* @author <a href="mailto:haint@exoplatform.com">Nguyen Thanh Hai</a>
*
* @datOct 11, 2011
*
* Validates whether this value is composed of letters or spaces
*/
@Serialized
public class NaturalLanguageValidator implements Validator
{
public void validate(UIFormInput uiInput) throws Exception
{
UIComponent uiComponent = (UIComponent)uiInput;
UIForm uiForm = uiComponent.getAncestorOfType(UIForm.class);
String label;
try
{
label = uiForm.getId() + ".label." + uiInput.getName();
}
catch (Exception e)
{
label = uiInput.getName();
}
Object[] args = {label};
if (uiInput.getValue() == null || ((String)uiInput.getValue()).trim().length() == 0)
{
return;
}
String s = (String)uiInput.getValue();
for (int i = 0; i < s.length(); i++)
{
char c = s.charAt(i);
if (Character.isLetter(c) || Character.isSpaceChar(c))
{
continue;
}
throw new MessageException(new ApplicationMessage("NaturalLanguageValidator.msg.Invalid-char", args));
}
}
}