/*
    * 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.view.facelets.el;
  
  import java.io.Externalizable;
  import java.io.IOException;
  import java.io.ObjectInput;
  import java.io.ObjectOutput;
  import javax.el.ELContext;
  import javax.el.ValueExpression;
  import javax.el.ValueReference;
  import javax.faces.FacesWrapper;
  
  /**
   *
   */
  public class CacheableValueExpressionWrapper extends ValueExpression
      implements FacesWrapper<ValueExpression>, Externalizable, CacheableValueExpression
  {
      private static final long serialVersionUID = -5636849184764526288L;
      
      ValueExpression delegate;
  
      public CacheableValueExpressionWrapper()
      {
      }
  
      public CacheableValueExpressionWrapper(ValueExpression delegate)
      {
          this.delegate = delegate;
      }
      
      @Override
      public Class<?> getExpectedType()
      {
          return delegate.getExpectedType();
      }
  
      @Override
      public Class<?> getType(ELContext context)
      {
          return delegate.getType(context);
      }
  
      @Override
      public Object getValue(ELContext context)
      {
          return delegate.getValue(context);
      }
  
      @Override
      public boolean isReadOnly(ELContext context)
      {
          return delegate.isReadOnly(context);
      }
  
      @Override
      public void setValue(ELContext context, Object value)
      {
          delegate.setValue(context, value);
      }
  
      @Override
      public boolean equals(Object obj)
      {
          return delegate.equals(obj);
      }
  
      @Override
      public String getExpressionString()
      {
          return delegate.getExpressionString();
      }
  
      @Override
      public int hashCode()
      {
          return delegate.hashCode();
      }
  
      @Override
      public boolean isLiteralText()
      {
         return delegate.isLiteralText();
     }
 
     @Override
     public ValueExpression getWrapped()
     {
         return delegate;
     }
     
     @Override
     public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException
     {
         this.delegate = (ValueExpression) in.readObject();
     }
 
     @Override
     public void writeExternal(ObjectOutput out) throws IOException
     {
         out.writeObject(this.delegate);
     }
     
     @Override
     public ValueReference getValueReference(ELContext context)
     {
         return getWrapped().getValueReference(context);
     }
 }