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.core.request.mapper; 018 019import org.apache.wicket.request.component.IRequestablePage; 020import org.apache.wicket.request.mapper.parameter.PageParameters; 021 022/** 023 * Interface for objects that are capable of getting and creating page instance. 024 * 025 * @author Matej Knopp 026 */ 027public interface IPageSource 028{ 029 /** 030 * Returns existing page instance if the page exists. 031 * 032 * @param pageId 033 * @return page instance or <code>null</code> if the page does not exist. 034 */ 035 IRequestablePage getPageInstance(int pageId); 036 037 /** 038 * Creates new page instance of page with given class. The page should be marked as create 039 * bookmarkable, so subsequent calls to {@link IRequestablePage#wasCreatedBookmarkable()} must 040 * return <code>true</code> 041 * 042 * @param pageClass 043 * @param pageParameters 044 * @return new page instance 045 */ 046 IRequestablePage newPageInstance(Class<? extends IRequestablePage> pageClass, 047 PageParameters pageParameters); 048 049}