package org.apache.commons.ognl;

 /*

  * 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.

  */

 /**

  * Exception thrown if a property is attempted to be extracted from an object that does not have such a property.

  * 

  * @author Luke Blanshard (blanshlu@netscape.net)

  * @author Drew Davidson (drew@ognl.org)

  */

 public class NoSuchPropertyException

     extends OgnlException

 {

     private static final long serialVersionUID = 2228428181127177178L;

     private Object target;

     private Object name;

     public NoSuchPropertyException( Object target, Object name )

     {

         super( getReason( target, name ) );

     }

     public NoSuchPropertyException( Object target, Object name, Throwable reason )

     {

         super( getReason( target, name ), reason );

         this.target = target;

         this.name = name;

     }

     static String getReason( Object target, Object name )

     {

         StringBuilder ret = new StringBuilder();

         if ( target == null )

         {

             ret.append( "null" );

         }

         else if ( target instanceof Class )

         {

             ret.append( ( (Class<?>) target ).getName() );

         }

         else

         {

             ret.append( target.getClass().getName() );

         }

         ret.append( "." ).append( name );

         return ret.toString();

     }

     public Object getTarget()

     {

         return target;

     }

     public Object getName()

     {

         return name;

     }

 }