package com.atlassian.plugins.rest.module;
   
   import com.atlassian.plugin.Plugin;
   
   public class InvalidVersionException extends RuntimeException {
       private final String invalidVersion;
       private final Plugin plugin;
       private final RestModuleDescriptor moduleDescriptor;
   
      InvalidVersionException(String invalidVersion) {
          this(null, null, invalidVersion);
      }
  
      InvalidVersionException(Plugin plugin, RestModuleDescriptor moduleDescriptor, InvalidVersionException e) {
          this(plugin, moduleDescriptor, e.getInvalidVersion());
      }
  
      private InvalidVersionException(Plugin plugin, RestModuleDescriptor moduleDescriptor, String invalidVersion) {
          this.plugin = plugin;
          this.moduleDescriptor = moduleDescriptor;
          this.invalidVersion = invalidVersion;
      }
  
      public String getInvalidVersion() {
          return invalidVersion;
      }
  
      @Override
      public String getMessage() {
          if (invalidVersion == null) {
              return "The REST module descriptor '" + moduleDescriptor + "'defined by plugin '" + plugin + "' doesn't specify a version, this is a required attribute. "
                      + "Please sepcify a version in the format 'major[.minor][.micro][.classifier]'";
          } else {
              return "The version (" + invalidVersion + ")set on the REST module descriptor '" + moduleDescriptor + "' of plugin '" + plugin + "' is not valid. " +
                      "It must follow the following pattern 'major[.minor][.micro][.classifier]'";
          }
      }
  }