001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.wicket.devutils.pagestore.browser; 018 019import java.util.ArrayList; 020import java.util.Collections; 021import java.util.List; 022 023import org.apache.wicket.model.IModel; 024import org.apache.wicket.model.LoadableDetachableModel; 025import org.apache.wicket.pageStore.DefaultPageContext; 026import org.apache.wicket.pageStore.DiskPageStore; 027import org.apache.wicket.pageStore.IPageContext; 028import org.apache.wicket.pageStore.IPersistentPageStore; 029 030/** 031 * A model that collects the keys from the {@link DiskPageStore} folder 032 */ 033public class SessionIdentifiersModel extends LoadableDetachableModel<List<String>> 034{ 035 private final IModel<IPersistentPageStore> store; 036 037 public SessionIdentifiersModel(IModel<IPersistentPageStore> store) 038 { 039 this.store = store; 040 } 041 042 @Override 043 protected List<String> load() 044 { 045 IPersistentPageStore store = this.store.getObject(); 046 if (store == null) 047 { 048 return Collections.emptyList(); 049 } 050 051 ArrayList<String> identifiers = new ArrayList<>(store.getSessionIdentifiers()); 052 053 IPageContext context = new DefaultPageContext(); 054 String current = store.getSessionIdentifier(context); 055 if (identifiers.contains(current) == false) 056 { 057 // identifiers of the store seem no to match their sessions ids, 058 // thus add the default identifier so the select works properly 059 identifiers.add(current); 060 } 061 062 return identifiers; 063 } 064 065 @Override 066 public void detach() 067 { 068 super.detach(); 069 070 store.detach(); 071 } 072}