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 import com.softwarementors.extjs.djn.router.GsonBuilderConfigurator; 029 030 public class ServletConfigurationException extends DirectJNgineException { 031 private ServletConfigurationException( String message ) { 032 super(message); 033 034 assert !StringUtils.isEmpty(message); 035 } 036 037 private ServletConfigurationException( String message, Throwable cause ) { 038 super(message, cause); 039 040 assert !StringUtils.isEmpty(message); 041 assert cause != null; 042 } 043 044 public static ServletConfigurationException forMissingRequiredConfigurationParameter(List<String> missingParameters) { 045 assert missingParameters != null; 046 assert !missingParameters.isEmpty(); 047 048 String parameterNames = StringUtils.concatWithSeparator(missingParameters, ", "); 049 return new ServletConfigurationException( "The following servlet configuration parameters are missing: " + parameterNames + ". Please, check your servlet configuration in web.xml." ); 050 } 051 052 public static ServletConfigurationException forClassNotFound(String className, ClassNotFoundException cause) { 053 assert cause != null; 054 055 return new ServletConfigurationException( "Unable to find class '" + className + "'", cause ); 056 } 057 058 public static ServletConfigurationException forGsonBuilderConfiguratorMustImplementGsonBuilderConfiguratorInterface( 059 String configuratorClassName) { 060 return new ServletConfigurationException( "The specified gson configurator class, '" + configuratorClassName + "', must implement the '" + GsonBuilderConfigurator.class + "' interface"); 061 } 062 063 public static ServletConfigurationException forParameterMustBeAnIntegerGreaterOrEqualToValue(String parameterName, 064 int result, int minValue) { 065 assert !StringUtils.isEmpty(parameterName); 066 067 return new ServletConfigurationException( "Parameter, '" + parameterName + "' must be greater than or equal to '" + minValue + "'. It was '" + result + "'."); 068 } 069 070 public static ServletConfigurationException forParameterMustBeAValidInteger(String parameterName, String resultString) { 071 assert !StringUtils.isEmpty(parameterName); 072 assert !StringUtils.isEmpty(resultString); 073 074 return new ServletConfigurationException( "Parameter, '" + parameterName + "' must be a valid integer. It was '" +resultString + "'."); 075 } 076 077 public static ServletConfigurationException forMaxThreadPoolSizeMustBeEqualOrGreaterThanMinThreadPoolSize( 078 int batchRequestsMinThreadsPoolSize, int batchRequestsMaxThreadsPoolSize) { 079 return new ServletConfigurationException( "The maximum batch request pool ('" + DirectJNgineServlet.GlobalParameters.BATCH_REQUESTS_MAX_THREADS_POOOL_SIZE +"') size was " + batchRequestsMaxThreadsPoolSize + 080 ". It must be greater or equal to the minimum request pool size ('" + DirectJNgineServlet.GlobalParameters.BATCH_REQUESTS_MIN_THREADS_POOOL_SIZE +"'), which was " + batchRequestsMinThreadsPoolSize); 081 } 082 083 }