Package org.structr.core.entity

Source Code of org.structr.core.entity.ValidatedNode

/**
* Copyright (C) 2010-2014 Morgner UG (haftungsbeschränkt)
*
* This file is part of Structr <http://structr.org>.
*
* Structr is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* Structr 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 Structr.  If not, see <http://www.gnu.org/licenses/>.
*/
package org.structr.core.entity;

import org.structr.common.error.EmptyPropertyToken;
import org.structr.common.error.ErrorBuffer;
import org.structr.common.error.NullPropertyToken;
import org.structr.core.property.Property;

/**
* A node with validation. This is a convenience class that avoids having to
* implement the validation methods for all types separately.
*
* @author Christian Morgner
*/
public abstract class ValidatedNode extends AbstractNode {
 
  protected boolean nonEmpty(Property<String> property, ErrorBuffer errorBuffer) {
   
    String value  = getProperty(property);
    boolean valid = true;
   
    if (value == null) {
     
      errorBuffer.add(getClass().getSimpleName(), new NullPropertyToken(property));
      valid = false;
     
    } else if (value.isEmpty()) {
     
      errorBuffer.add(getClass().getSimpleName(), new EmptyPropertyToken(property));
      valid = false;
    }

    return valid;
  }
 
  protected boolean nonNull(Property property, ErrorBuffer errorBuffer) {
   
    Object value  = getProperty(property);
    boolean valid = true;
   
    if (value == null) {
     
      errorBuffer.add(getClass().getSimpleName(), new EmptyPropertyToken(property));
      valid = false;
    }

    return valid;
  }
}
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