/*

  * 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.

  */

 package org.apache.myfaces.config.impl.digester.elements;

 import java.io.Serializable;

 import javax.faces.context.FacesContext;

 import javax.faces.el.ValueBinding;

 import org.apache.myfaces.util.ContainerUtils;

 /**

  * @author <a href="mailto:oliver@rossmueller.com">Oliver Rossmueller</a> (latest modification by $Author$)

  * @author Anton Koinov

  *

  * @version $Revision$ $Date$

  */

 public class ManagedPropertyImpl extends org.apache.myfaces.config.element.ManagedProperty implements Serializable

 {

     private static final ValueBinding DUMMY_VB = new DummyValueBinding();

     private int                       _type    = TYPE_UNKNOWN;

     private String                    _propertyName;

     private String                    _propertyClass;

     private transient ValueBinding    _valueBinding;

     private String                    _value;

     private org.apache.myfaces.config.element.MapEntries                _mapEntries;

     private org.apache.myfaces.config.element.ListEntries               _listEntries;

     public int getType()

     {

         return _type;

     }

     public org.apache.myfaces.config.element.MapEntries getMapEntries()

     {

         return _mapEntries;

     }

     public void setMapEntries(org.apache.myfaces.config.element.MapEntries mapEntries)

     {

         _mapEntries = mapEntries;

         _type = TYPE_MAP;

     }

     public org.apache.myfaces.config.element.ListEntries getListEntries()

     {

         return _listEntries;

     }

     public void setListEntries(ListEntriesImpl listEntries)

     {

         _listEntries = listEntries;

         _type = TYPE_LIST;

     }

     public String getPropertyName()

     {

         return _propertyName;

     }

     public void setPropertyName(String propertyName)

     {

         _propertyName = propertyName;

     }

     public String getPropertyClass()

     {

         return _propertyClass;

     }

     public void setPropertyClass(String propertyClass)

     {

         _propertyClass = propertyClass;

     }

     public boolean isNullValue()

     {

         return _type == TYPE_NULL;

     }

     public void setNullValue()

     {

         _type = TYPE_NULL;

     }

     public void setValue(String value)

     {

         _value = value;

         _type = TYPE_VALUE;

     }

     public String getValue()

     {

         return _value;

     }

     public Object getRuntimeValue(FacesContext facesContext)

     {

         getValueBinding(facesContext);

         return (_valueBinding == DUMMY_VB)

             ? _value : _valueBinding.getValue(facesContext);

     }

     public ValueBinding getValueBinding(FacesContext facesContext)

     {

         if (_valueBinding == null)

         {

             _valueBinding =

                 isValueReference()

                 ? facesContext.getApplication().createValueBinding(_value)

                 : DUMMY_VB;

         }

         return _valueBinding;

     }

     public boolean isValueReference()

     {

         return ContainerUtils.isValueReference(_value);

     }

     private static class DummyValueBinding extends ValueBinding

     {

         @Override

         public String getExpressionString()

         {

             throw new UnsupportedOperationException();

         }

         @Override

         public Class<?> getType(FacesContext facesContext)

         {

             throw new UnsupportedOperationException();

         }

         @Override

         public Object getValue(FacesContext facesContext)

         {

             throw new UnsupportedOperationException();

         }

         @Override

         public boolean isReadOnly(FacesContext facesContext)

         {

             throw new UnsupportedOperationException();

         }

         @Override

         public void setValue(FacesContext facesContext, Object value)

         {

             throw new UnsupportedOperationException();

         }

     }

 }