code: ///////////////////////////////////////////////////////////////////////////////////////////////
  // checkstyle: Checks Java source code and other text files for adherence to a set of rules.
  // Copyright (C) 2001-2023 the original author or authors.
  //
  // This library is free software; you can redistribute it and/or
  // modify it under the terms of the GNU Lesser General Public
  // License as published by the Free Software Foundation; either
  // version 2.1 of the License, or (at your option) any later version.
  //
  // This library is distributed in the hope that it will be useful,
  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  // Lesser General Public License for more details.
  //
  // You should have received a copy of the GNU Lesser General Public
  // License along with this library; if not, write to the Free Software
  // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  ///////////////////////////////////////////////////////////////////////////////////////////////
  
  package com.puppycrawl.tools.checkstyle.bdd;
  
  import java.util.Collections;
  import java.util.HashMap;
  import java.util.Map;
  
  import com.puppycrawl.tools.checkstyle.DefaultConfiguration;
  
  public final class ModuleInputConfiguration {
  
      /** The module name. */
      private final String moduleName;
  
      /** Map of default properties. */
      private final Map<String, String> defaultProperties;
  
      /** Map of non default properties. */
      private final Map<String, String> nonDefaultProperties;
  
      /** Map of module messages. */
      private final Map<String, String> moduleMessages;
  
      private ModuleInputConfiguration(String moduleName,
                                       Map<String, String> defaultProperties,
                                       Map<String, String> nonDefaultProperties,
                                       Map<String, String> moduleMessages) {
          this.moduleName = moduleName;
          this.defaultProperties = defaultProperties;
          this.nonDefaultProperties = nonDefaultProperties;
          this.moduleMessages = moduleMessages;
      }
  
      public String getModuleName() {
          return moduleName;
      }
  
      public Map<String, String> getAllProperties() {
          final Map<String, String> properties = new HashMap<>();
          properties.putAll(defaultProperties);
          properties.putAll(nonDefaultProperties);
          return Collections.unmodifiableMap(properties);
      }
  
      public Map<String, String> getDefaultProperties() {
          return Collections.unmodifiableMap(defaultProperties);
      }
  
      public Map<String, String> getNonDefaultProperties() {
          return Collections.unmodifiableMap(nonDefaultProperties);
      }
  
      public Map<String, String> getModuleMessages() {
          return Collections.unmodifiableMap(moduleMessages);
      }
  
      public DefaultConfiguration createConfiguration() {
          final DefaultConfiguration parsedConfig = new DefaultConfiguration(moduleName);
          nonDefaultProperties.forEach(parsedConfig::addProperty);
          moduleMessages.forEach(parsedConfig::addMessage);
          return parsedConfig;
      }
  
      public String getDefaultPropertyValue(String key) {
          return defaultProperties.get(key);
      }
  
      public static final class Builder {
  
          private final Map<String, String> defaultProperties = new HashMap<>();
  
          private final Map<String, String> nonDefaultProperties = new HashMap<>();
  
          private final Map<String, String> moduleMessages = new HashMap<>();
  
          private String moduleName;
  
          public void setModuleName(String moduleName) {
              this.moduleName = moduleName;
          }
  
          public void addDefaultProperty(String propertyName, String defaultPropertyValue) {
              defaultProperties.put(propertyName, defaultPropertyValue);
          }
  
          public void addNonDefaultProperty(String propertyName, String nonDefaultPropertyValue) {
              nonDefaultProperties.put(propertyName, nonDefaultPropertyValue);
          }
  
          public void addModuleMessage(String messageKey, String messageString) {
              moduleMessages.put(messageKey, messageString);
          }
  
          public ModuleInputConfiguration build() {
              return new ModuleInputConfiguration(
                      moduleName,
                      defaultProperties,
                      nonDefaultProperties,
                      moduleMessages
              );
          }
      }
  }
  