/**
* Copyright (C) 2009 eXo Platform SAS.
*
* This 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 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.exoplatform.webui.form.validator;
import java.io.Serializable;
import org.exoplatform.web.application.CompoundApplicationMessage;
import org.exoplatform.webui.form.UIFormInput;
/**
* Created by The eXo Platform SARL Author : Dang Van Minh minhdv81@yahoo.com Jun 7, 2006
*
* Validates whether this number is in a correct format
*/
public class NumberFormatValidator extends MultipleConditionsValidator implements Serializable {
@Override
protected void validate(String value, String label, CompoundApplicationMessage messages, UIFormInput uiInput) {
validateInteger(value, label, messages);
}
protected Integer validateInteger(String value, String label, CompoundApplicationMessage messages) {
Object[] args = { label };
if (value.charAt(0) == '0' && value.length() > 1) {
messages.addMessage("NumberFormatValidator.msg.Invalid-number", args);
} else if (value.charAt(0) == '-' && value.length() > 1 && value.charAt(1) == '0') {
messages.addMessage("NumberFormatValidator.msg.Invalid-number", args);
}
try {
return Integer.parseInt(value);
} catch (NumberFormatException e) {
messages.addMessage("NumberFormatValidator.msg.Invalid-number", args);
return null;
}
}
}