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License Agreement. JBoss RichFaces - Ajax4jsf Component Library Copyright (C) 2007 Exadel, Inc. This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License version 2.1 as published by the Free Software Foundation. This library 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 library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
 package org.richfaces.component;
 
 import  javax.faces.application.FacesMessage;
 import  javax.faces.component.UIInput;
 import  javax.faces.context.FacesContext;
 

Author(s):
Nick - mailto:nbelaevski@exadel.com created 20.02.2007
 
 public abstract class UIRangedNumberInput extends UIInput {
     public abstract String getMaxValue();
 
     public abstract void setMaxValue(String value);
 
     public abstract String getMinValue();
 
     public abstract void setMinValue(String value);
 
     public abstract boolean isDisabled();
 
     public abstract void setDisabled(boolean disabled);
 
     @Override
     public void decode(FacesContext arg0) {
         if (this.isDisabled()) {
             return;
         }
 
         super.decode(arg0);
     }
 
     @Override
     protected void validateValue(FacesContext contextObject newValue) {
         if (isValid() && !isEmpty(newValue)) {
             String label = MessageUtil.getLabel(contextthis).toString();
             Double minValue = null;
             Double maxValue = null;
             Double value = null;
 
             try {
                 minValue = convert(getMinValue());
                 maxValue = convert(getMaxValue());
 
                 // convert value and check if it is in range
                 value = convert(newValue);
             } catch (Exception e) {
                 setValid(false);
 
                 FacesMessage mess = new FacesMessage(label + ": " + e.getLocalizedMessage());
 
                 mess.setSeverity(FacesMessage.SEVERITY_ERROR);
                 context.addMessage(this.getClientId(context), mess);
             }
 
             if (value != null) {
                 if ((null == minValue) || (null == maxValue)) {
                     setValid(false);
 
                     FacesMessage mess = new FacesMessage(label + ": conversation error, maxValue or minValue is null!");
 
                     mess.setSeverity(FacesMessage.SEVERITY_ERROR);
                     context.addMessage(this.getClientId(context), mess);
                 } else if (minValue.doubleValue() > value.doubleValue()) {
                     setValid(false);
 
                     FacesMessage mess = new FacesMessage(label + ": input value is less than minimal value!");
 
                     mess.setSeverity(FacesMessage.SEVERITY_ERROR);
                     context.addMessage(this.getClientId(context), mess);
                 } else if (maxValue.doubleValue() < value.doubleValue()) {
                     setValid(false);
 
                     FacesMessage mess = new FacesMessage(label + ": input value is more than maximum value!");
 
                     mess.setSeverity(FacesMessage.SEVERITY_ERROR);
                     context.addMessage(this.getClientId(context), mess);
                 }
            } else {
                setValid(false);
                FacesMessage mess = new FacesMessage(label + ": input value can't be null!");
                mess.setSeverity(FacesMessage.SEVERITY_ERROR);
                context.addMessage(this.getClientId(context), mess);
            }
        }
        super.validateValue(contextnewValue);
    }
    private Double convert(Object object) {
        if (object == null) {
            return null;
        }
        return new Double(object.toString());
    }
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