001 /* 002 * Copyright © 2008, 2009 Pedro Agulló Soliveres. 003 * 004 * This file is part of DirectJNgine. 005 * 006 * DirectJNgine is free software: you can redistribute it and/or modify 007 * it under the terms of the GNU General Public License as published by 008 * the Free Software Foundation, either version 3 of the License. 009 * 010 * DirectJNgine is distributed in the hope that it will be useful, 011 * but WITHOUT ANY WARRANTY; without even the implied warranty of 012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 013 * GNU General Public License for more details. 014 * 015 * You should have received a copy of the GNU General Public License 016 * along with DirectJNgine. If not, see <http://www.gnu.org/licenses/>. 017 * 018 * This software uses the ExtJs library (http://extjs.com), which is 019 * distributed under the GPL v3 license (see http://extjs.com/license). 020 */ 021 022 package com.softwarementors.extjs.djn.servlet; 023 024 import java.util.List; 025 026 import com.softwarementors.extjs.djn.DirectJNgineException; 027 import com.softwarementors.extjs.djn.StringUtils; 028 029 public class ServletConfigurationException extends DirectJNgineException { 030 private ServletConfigurationException( String message ) { 031 super(message); 032 033 assert !StringUtils.isEmpty(message); 034 } 035 036 private ServletConfigurationException( String message, Throwable cause ) { 037 super(message, cause); 038 039 assert !StringUtils.isEmpty(message); 040 assert cause != null; 041 } 042 043 public static ServletConfigurationException forMissingRequiredConfigurationParameter(List<String> missingParameters) { 044 assert missingParameters != null; 045 assert !missingParameters.isEmpty(); 046 047 String parameterNames = StringUtils.concatWithSeparator(missingParameters, ", "); 048 return new ServletConfigurationException( "The following servlet configuration parameters are missing: " + parameterNames + ". Please, check your servlet configuration in web.xml." ); 049 } 050 051 public static ServletConfigurationException forClassNotFound(String className, ClassNotFoundException cause) { 052 assert cause != null; 053 054 return new ServletConfigurationException( "Unable to find class '" + className + "'", cause ); 055 } 056 057 }