001 package org.apache.myfaces.tobago.context; 002 003 /* 004 * Licensed to the Apache Software Foundation (ASF) under one or more 005 * contributor license agreements. See the NOTICE file distributed with 006 * this work for additional information regarding copyright ownership. 007 * The ASF licenses this file to You under the Apache License, Version 2.0 008 * (the "License"); you may not use this file except in compliance with 009 * the License. You may obtain a copy of the License at 010 * 011 * http://www.apache.org/licenses/LICENSE-2.0 012 * 013 * Unless required by applicable law or agreed to in writing, software 014 * distributed under the License is distributed on an "AS IS" BASIS, 015 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 016 * See the License for the specific language governing permissions and 017 * limitations under the License. 018 */ 019 020 021 import javax.faces.component.StateHolder; 022 import javax.faces.context.FacesContext; 023 import java.io.Serializable; 024 025 /* 026 * Date: May 3, 2007 027 * Time: 5:44:04 PM 028 */ 029 public class TransientStateHolder implements StateHolder, Serializable { 030 031 private static final long serialVersionUID = -5260593843885016768L; 032 033 private transient Object object; 034 035 public TransientStateHolder() { 036 } 037 038 public TransientStateHolder(Object object) { 039 this.object = object; 040 } 041 042 public Object saveState(FacesContext context) { 043 // do nothing 044 return null; 045 } 046 047 public void put(Object object) { 048 this.object = object; 049 } 050 051 public boolean isEmpty() { 052 return object == null; 053 } 054 055 public Object get() { 056 return object; 057 } 058 059 public void restoreState(FacesContext context, Object state) { 060 // do nothing 061 } 062 063 public boolean isTransient() { 064 return true; 065 } 066 067 public void setTransient(boolean newTransientValue) { 068 // do nothing 069 } 070 071 }