/*
    * 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.shared.renderkit.html.util;
  
  import java.io.IOException;
  import java.io.InputStream;
  import java.lang.reflect.InvocationTargetException;
  import java.lang.reflect.Method;
  import java.util.Collection;
  import javax.faces.FacesException;
  import javax.faces.FacesWrapper;
  import javax.faces.component.StateHolder;
  import javax.faces.context.FacesContext;
  import javax.servlet.http.Part;
  
  public class HttpPartWrapper implements Part, FacesWrapper<Part>, StateHolder
  {
      private Part delegate;
  
      public HttpPartWrapper()
      {
      }
      
      public HttpPartWrapper(Part delegate)
      {
          this.delegate = delegate;
      }
  
      public void delete() throws IOException
      {
          getWrapped().delete();
      }
  
      public String getContentType()
      {
          return getWrapped().getContentType();
      }
  
      public String getHeader(String headerName)
      {
          return getWrapped().getHeader(headerName);
      }
  
      public Collection<String> getHeaderNames()
      {
          return getWrapped().getHeaderNames();
      }
  
      public Collection<String> getHeaders(String headerName)
      {
          return getWrapped().getHeaders(headerName);
      }
  
      public InputStream getInputStream() throws IOException
      {
          return getWrapped().getInputStream();
      }
  
      public String getName()
      {
          return getWrapped().getName();
      }
  
      public long getSize()
      {
          return getWrapped().getSize();
      }
  
      public void write(String fileName) throws IOException
      {
          getWrapped().write(fileName);
      }
      
      public String getSubmittedFileName()
      {
          Part wrapped = getWrapped();
          try
          {
              Method m = wrapped.getClass().getMethod("getSubmittedFileName");
              return (String) m.invoke(wrapped);
          }
          catch (NoSuchMethodException ex)
          {
             throw new FacesException(ex);
         }
         catch (SecurityException ex)
         {
             throw new FacesException(ex);
         } 
         catch (IllegalAccessException ex)
         {
             throw new FacesException(ex);
         } 
         catch (IllegalArgumentException ex)
         {
             throw new FacesException(ex);
         }
         catch (InvocationTargetException ex)
         {
             throw new FacesException(ex);
         }
     }
 
     public Object saveState(FacesContext context)
     {
         return null;
     }
 
     public void restoreState(FacesContext context, Object state)
     {
     }
 
     public boolean isTransient()
     {
         return true;
     }
 
     public void setTransient(boolean newTransientValue)
     {
     }
 
     public Part getWrapped()
     {
         return delegate;
     }
     
 }