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 * Commercial use is permitted to the extent that the code/component(s) 011 * do NOT become part of another Open Source or Commercially developed 012 * licensed development library or toolkit without explicit permission. 013 * 014 * DirectJNgine is distributed in the hope that it will be useful, 015 * but WITHOUT ANY WARRANTY; without even the implied warranty of 016 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 017 * GNU General Public License for more details. 018 * 019 * You should have received a copy of the GNU General Public License 020 * along with DirectJNgine. If not, see <http://www.gnu.org/licenses/>. 021 * 022 * This software uses the ExtJs library (http://extjs.com), which is 023 * distributed under the GPL v3 license (see http://extjs.com/license). 024 */ 025 026 package com.softwarementors.extjs.djn.servlet; 027 028 import java.util.List; 029 030 import com.softwarementors.extjs.djn.DirectJNgineException; 031 import com.softwarementors.extjs.djn.StringUtils; 032 import com.softwarementors.extjs.djn.gson.GsonBuilderConfigurator; 033 034 public class ServletConfigurationException extends DirectJNgineException { 035 private ServletConfigurationException( String message ) { 036 super(message); 037 038 assert !StringUtils.isEmpty(message); 039 } 040 041 private ServletConfigurationException( String message, Throwable cause ) { 042 super(message, cause); 043 044 assert !StringUtils.isEmpty(message); 045 assert cause != null; 046 } 047 048 public static ServletConfigurationException forMissingRequiredConfigurationParameter(List<String> missingParameters) { 049 assert missingParameters != null; 050 assert !missingParameters.isEmpty(); 051 052 String parameterNames = StringUtils.concatWithSeparator(missingParameters, ", "); 053 return new ServletConfigurationException( "The following servlet configuration parameters are missing: " + parameterNames + ". Please, check your servlet configuration in web.xml." ); 054 } 055 056 public static ServletConfigurationException forClassNotFound(String className, ClassNotFoundException cause) { 057 assert cause != null; 058 059 return new ServletConfigurationException( "Unable to find class '" + className + "'", cause ); 060 } 061 062 public static ServletConfigurationException forGsonBuilderConfiguratorMustImplementGsonBuilderConfiguratorInterface( 063 String configuratorClassName) { 064 return new ServletConfigurationException( "The specified gson configurator class, '" + configuratorClassName + "', must implement the '" + GsonBuilderConfigurator.class + "' interface"); 065 } 066 067 public static ServletConfigurationException forRegistryConfiguratorMustImplementGsonBuilderConfiguratorInterface( 068 String registryConfiguratorClassName) { 069 return new ServletConfigurationException( "The specified registry configurator class, '" + registryConfiguratorClassName + "', must implement the '" + RegistryConfigurator.class + "' interface"); 070 } 071 072 public static ServletConfigurationException forParameterMustBeAnIntegerGreaterOrEqualToValue(String parameterName, 073 int result, int minValue) { 074 assert !StringUtils.isEmpty(parameterName); 075 076 return new ServletConfigurationException( "Parameter, '" + parameterName + "' must be greater than or equal to '" + minValue + "'. It was '" + result + "'."); 077 } 078 079 public static ServletConfigurationException forParameterMustBeAValidInteger(String parameterName, String resultString) { 080 assert !StringUtils.isEmpty(parameterName); 081 assert !StringUtils.isEmpty(resultString); 082 083 return new ServletConfigurationException( "Parameter, '" + parameterName + "' must be a valid integer. It was '" +resultString + "'."); 084 } 085 086 public static ServletConfigurationException forMaxThreadPoolSizeMustBeEqualOrGreaterThanMinThreadPoolSize( 087 int batchRequestsMinThreadsPoolSize, int batchRequestsMaxThreadsPoolSize) { 088 return new ServletConfigurationException( "The maximum batch request pool ('" + DirectJNgineServlet.GlobalParameters.BATCH_REQUESTS_MAX_THREADS_POOOL_SIZE +"') size was " + batchRequestsMaxThreadsPoolSize + 089 ". It must be greater or equal to the minimum request pool size ('" + DirectJNgineServlet.GlobalParameters.BATCH_REQUESTS_MIN_THREADS_POOOL_SIZE +"'), which was " + batchRequestsMinThreadsPoolSize); 090 } 091 092 }