001// Copyright 2004, 2005 The Apache Software Foundation 002// 003// Licensed under the Apache License, Version 2.0 (the "License"); 004// you may not use this file except in compliance with the License. 005// You may obtain a copy of the License at 006// 007// http://www.apache.org/licenses/LICENSE-2.0 008// 009// Unless required by applicable law or agreed to in writing, software 010// distributed under the License is distributed on an "AS IS" BASIS, 011// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 012// See the License for the specific language governing permissions and 013// limitations under the License. 014 015package org.apache.tapestry.contrib.tree.simple; 016 017import org.apache.tapestry.contrib.tree.model.ITreeModel; 018import org.apache.tapestry.contrib.tree.model.ITreeSessionStateManager; 019 020/** 021 * @author ceco 022 */ 023public class NullSessionStateManager implements ITreeSessionStateManager { 024 025 /** 026 * Constructor for NullSessionStateManager. 027 */ 028 public NullSessionStateManager() { 029 super(); 030 } 031 032 /** 033 * @see org.apache.tapestry.contrib.tree.model.ITreeSessionStateManager#getSessionState(ITreeModel) 034 */ 035 public Object getSessionState(ITreeModel objModel) { 036 return null; 037 } 038 039 /** 040 * @see org.apache.tapestry.contrib.tree.model.ITreeSessionStateManager#getModel(Object) 041 */ 042 public ITreeModel getModel(Object objSessionState) { 043 return null; 044 } 045 046}