Coverage Report - org.apache.myfaces.lifecycle.RestoreViewSupport
 
Classes in this File Line Coverage Branch Coverage Complexity
RestoreViewSupport
N/A
N/A
1
 
 1  
 /*
 2  
  * Licensed to the Apache Software Foundation (ASF) under one
 3  
  * or more contributor license agreements.  See the NOTICE file
 4  
  * distributed with this work for additional information
 5  
  * regarding copyright ownership.  The ASF licenses this file
 6  
  * to you under the Apache License, Version 2.0 (the
 7  
  * "License"); you may not use this file except in compliance
 8  
  * with the License.  You may obtain a copy of the License at
 9  
  *
 10  
  *   http://www.apache.org/licenses/LICENSE-2.0
 11  
  *
 12  
  * Unless required by applicable law or agreed to in writing,
 13  
  * software distributed under the License is distributed on an
 14  
  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 15  
  * KIND, either express or implied.  See the License for the
 16  
  * specific language governing permissions and limitations
 17  
  * under the License.
 18  
  */
 19  
 package org.apache.myfaces.lifecycle;
 20  
 
 21  
 import javax.faces.FacesException;
 22  
 import javax.faces.component.UIComponent;
 23  
 import javax.faces.context.ExternalContext;
 24  
 import javax.faces.context.FacesContext;
 25  
 
 26  
 /**
 27  
  * Support class for restore view phase
 28  
  * 
 29  
  * @author Mathias Broekelmann (latest modification by $Author: mbr $)
 30  
  * @version $Revision: 517403 $ $Date: 2007-03-12 16:17:00 -0500 (Mon, 12 Mar 2007) $
 31  
  */
 32  
 public interface RestoreViewSupport
 33  
 {
 34  
     /**
 35  
      * <p>
 36  
      * Calculates the view id from the given faces context by the following algorithm
 37  
      * </p>
 38  
      * <ul>
 39  
      * <li>lookup the viewid from the request attribute "javax.servlet.include.path_info"
 40  
      * <li>if null lookup the value for viewid by {@link ExternalContext#getRequestPathInfo()}
 41  
      * <li>if null lookup the value for viewid from the request attribute "javax.servlet.include.servlet_path"
 42  
      * <li>if null lookup the value for viewid by {@link ExternalContext#getRequestServletPath()}
 43  
      * <li>if null throw a {@link FacesException}
 44  
      * </ul>
 45  
      */
 46  
     String calculateViewId(FacesContext facesContext);
 47  
 
 48  
     /**
 49  
      * Processes the component tree. For each component (including the given one) in the tree determine if a value
 50  
      * expression for the attribute "binding" is defined. If the expression is not null set the component instance to
 51  
      * the value of this expression
 52  
      * 
 53  
      * @param facesContext
 54  
      * @param component
 55  
      *            the root component
 56  
      */
 57  
     void processComponentBinding(FacesContext facesContext, UIComponent component);
 58  
 
 59  
     /**
 60  
      * <p>
 61  
      * Determine if the current request is a post back by the following algorithm.
 62  
      * </p>
 63  
      * <p>
 64  
      * Find the render-kit-id for the current request by calling calculateRenderKitId() on the Application’s
 65  
      * ViewHandler. Get that RenderKit’s ResponseStateManager and call its isPostback() method, passing the given
 66  
      * FacesContext.
 67  
      * </p>
 68  
      * 
 69  
      * @param facesContext
 70  
      * @return
 71  
      */
 72  
     boolean isPostback(FacesContext facesContext);
 73  
 }