package org.apache.fulcrum.intake.model;
   
   /*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you under the Apache License, Version 2.0 (the
    * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  
  import java.io.Serializable;
  
  import javax.xml.bind.annotation.XmlAccessType;
  import javax.xml.bind.annotation.XmlAccessorType;
  import javax.xml.bind.annotation.XmlAttribute;
  import javax.xml.bind.annotation.XmlType;
  import javax.xml.bind.annotation.XmlValue;
  
  import org.apache.fulcrum.intake.validator.Constraint;
  
  /**
   * A Class for holding data about a constraint on a property.
   *
   * @author <a href="mailto:jmcnally@collab.net">John McNally</a>
   * @author <a href="mailto:tv@apache.org">Thomas Vandahl</a>
   * @version $Id$
   */
  @XmlType(name="rule")
  @XmlAccessorType(XmlAccessType.NONE)
  public class Rule implements Constraint, Serializable
  {
      /**
       * Serial version id
       */
      private static final long serialVersionUID = -4059931768288150848L;
  
      @XmlAttribute(required=true)
      private String name;
  
      @XmlAttribute(required=true)
      private String value;
  
      @XmlValue
      private String message;
  
      /**
       * Get the name of the parameter
       */
      @Override
      public String getName()
      {
          return name;
      }
  
      /**
       * Get the value of the parameter
       */
      @Override
      public String getValue()
      {
          return value;
      }
  
      /**
       * Get the error message
       */
      @Override
      public String getMessage()
      {
          return message;
      }
  
      /**
       * String representation of the column. This
       * is an xml representation.
       */
      @Override
      public String toString()
      {
          StringBuilder result = new StringBuilder(100);
  
          result.append("<rule name=\"").append(name).append("\"")
              .append(" value=\"").append(value).append("\"");
  
          if (message == null)
          {
              result.append(" />\n");
          }
         else
         {
             result.append(">")
                     .append(message)
                     .append("</rule>\n");
         }
 
         return result.toString();
     }
 }