| // Copyright 2004 The Apache Software Foundation |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package org.apache.tapestry.wml; |
| |
| import javax.servlet.ServletException; |
| |
| import org.apache.tapestry.IRequestCycle; |
| import org.apache.tapestry.Tapestry; |
| import org.apache.tapestry.engine.BaseEngine; |
| |
| /** |
| * Subclass of {@link BaseEngine} used for WML applications to change the |
| * Exception, StaleLink and StaleSession pages. |
| * |
| * @author David Solis |
| * @version $Id$ |
| * @since 3.0 |
| * |
| **/ |
| |
| public class WMLEngine extends BaseEngine |
| { |
| protected void activateExceptionPage( |
| IRequestCycle cycle, |
| org.apache.tapestry.request.ResponseOutputStream output, |
| Throwable cause) |
| throws ServletException |
| { |
| super.activateExceptionPage(cycle, output, cause); |
| // Sometimes the exception page isn't enough |
| reportException( |
| Tapestry.getMessage("AbstractEngine.unable-to-process-client-request"), |
| cause); |
| } |
| |
| |
| /** @since 3.0 **/ |
| |
| protected String getExceptionPageName() |
| { |
| return EXCEPTION_PAGE; |
| } |
| |
| /** @since 3.0 **/ |
| |
| protected String getStaleLinkPageName() |
| { |
| return STALE_LINK_PAGE; |
| } |
| |
| /** @since 3.0 **/ |
| |
| protected String getStaleSessionPageName() |
| { |
| return STALE_SESSION_PAGE; |
| } |
| |
| /** |
| * The name of the page used for reporting exceptions. |
| * |
| **/ |
| private static final String EXCEPTION_PAGE = "WMLException"; |
| |
| /** |
| * The name of the page used for reporting stale links. |
| * |
| * */ |
| |
| private static final String STALE_LINK_PAGE = "WMLStaleLink"; |
| |
| /** |
| * The name of the page used for reporting state sessions. |
| * |
| **/ |
| |
| private static final String STALE_SESSION_PAGE = "WMLStaleSession"; |
| } |