/*
    * 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.tobago.component;
  
  import javax.el.ELException;
  import javax.el.MethodExpression;
  import javax.faces.component.StateHolder;
  import javax.faces.context.FacesContext;
  import javax.faces.el.EvaluationException;
  import javax.faces.el.MethodBinding;
  import javax.faces.el.MethodNotFoundException;
  
  /**
   * @deprecated since 1.6.0
   */
  @Deprecated
  public class MethodExpressionToMethodBinding extends MethodBinding implements StateHolder {
  
    private MethodExpression methodExpression;
  
    private boolean isTransient = false;
  
    public MethodExpressionToMethodBinding() {
      methodExpression = null;
    }
  
    /**
     * Creates a new instance of MethodExpressionToMethodBinding
     */
    public MethodExpressionToMethodBinding(MethodExpression methodExpression) {
      this.methodExpression = methodExpression;
    }
  
    @Override
    public String getExpressionString() {
      return methodExpression.getExpressionString();
    }
  
    public Class getType(FacesContext facesContext)
        throws MethodNotFoundException {
  
      try {
        return methodExpression.getMethodInfo(facesContext.getELContext()).getReturnType();
      } catch (javax.el.MethodNotFoundException e) {
        throw new javax.faces.el.MethodNotFoundException(e);
      } catch (ELException e) {
        throw new EvaluationException(e);
      }
    }
  
    public Object invoke(FacesContext facesContext, Object[] params)
        throws EvaluationException {
  
      try {
        return methodExpression.invoke(facesContext.getELContext(), params);
      } catch (javax.el.MethodNotFoundException e) {
        throw new javax.faces.el.MethodNotFoundException(e);
      } catch (ELException e) {
        throw new EvaluationException(e);
      }
    }
  
  
    public void restoreState(FacesContext context, Object state) {
      if (state != null) {
        methodExpression = (MethodExpression) state;
      }
    }
  
    public Object saveState(FacesContext context) {
      if (!isTransient) {
        return methodExpression;
      }
      return null;
    }
  
    public void setTransient(boolean newTransientValue) {
      isTransient = newTransientValue;
    }
  
    public boolean isTransient() {
      return isTransient;
   }
 
 }