001// Copyright 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.portlet; 016 017import java.util.List; 018 019import javax.portlet.PortletSession; 020 021import org.apache.hivemind.util.Defense; 022import org.apache.tapestry.describe.DescriptionReceiver; 023import org.apache.tapestry.web.WebSession; 024import org.apache.tapestry.web.WebUtils; 025 026/** 027 * Adapts a {@link javax.portlet.PortletSession}as a {@link org.apache.tapestry.web.WebSession}. 028 * 029 * @author Howard M. Lewis Ship 030 * @since 4.0 031 */ 032public class PortletWebSession implements WebSession 033{ 034 private final PortletSession _portletSession; 035 036 public PortletWebSession(final PortletSession portletSession) 037 { 038 Defense.notNull(portletSession, "portletSession"); 039 040 _portletSession = portletSession; 041 } 042 043 public void describeTo(DescriptionReceiver receiver) 044 { 045 receiver.describeAlternate(_portletSession); 046 } 047 048 public String getId() 049 { 050 return _portletSession.getId(); 051 } 052 053 public boolean isNew() 054 { 055 return _portletSession.isNew(); 056 } 057 058 public List getAttributeNames() 059 { 060 return WebUtils.toSortedList(_portletSession.getAttributeNames()); 061 } 062 063 public Object getAttribute(String name) 064 { 065 return _portletSession.getAttribute(name); 066 } 067 068 public void setAttribute(String name, Object attribute) 069 { 070 _portletSession.setAttribute(name, attribute); 071 } 072 073 public void invalidate() 074 { 075 _portletSession.invalidate(); 076 } 077 078}