/*
    * Copyright (c) 2011-2024 PrimeFaces Extensions
    *
    *  Permission is hereby granted, free of charge, to any person obtaining a copy
    *  of this software and associated documentation files (the "Software"), to deal
    *  in the Software without restriction, including without limitation the rights
    *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    *  copies of the Software, and to permit persons to whom the Software is
    *  furnished to do so, subject to the following conditions:
   *
   *  The above copyright notice and this permission notice shall be included in
   *  all copies or substantial portions of the Software.
   *
   *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
   *  THE SOFTWARE.
   */
  package org.primefaces.extensions.util;
  
  import javax.el.ELContext;
  import javax.el.ValueExpression;
  
  /**
   * Dummy {@link ValueExpression} which just provides the type.
   *
   * @author Thomas Andraschko / last modified by $Author$
   * @version $Revision$
   * @since 0.5
   */
  public class DummyValueExpression extends ValueExpression {
  
      private static final long serialVersionUID = 1L;
  
      private final Class<?> type;
  
      public DummyValueExpression(final Class<?> type) {
          this.type = type;
      }
  
      @Override
      public Class<?> getExpectedType() {
          return null;
      }
  
      @Override
      public Class<?> getType(final ELContext context) {
          return type;
      }
  
      @Override
      public Object getValue(final ELContext context) {
          return null;
      }
  
      @Override
      public boolean isReadOnly(final ELContext context) {
          return false;
      }
  
      @Override
      public void setValue(final ELContext context, final Object value) {
          /* NOOP */
      }
  
      @Override
      public boolean equals(final Object obj) {
          return this == obj;
      }
  
      @Override
      public String getExpressionString() {
          return null;
      }
  
      @Override
      public int hashCode() {
          return 0;
      }
  
      @Override
      public boolean isLiteralText() {
          return false;
      }
  }