liquibase-core/src/main/java/liquibase/util/csv/opencsv/bean/HeaderColumnNameMappingStrategy.java
protected BeanField findField(String name) {
      if (null == fieldMap) {
         fieldMap = loadFieldMap(); //lazy load fields
      }
      return fieldMap.get(name.toUpperCase().trim());
   }
protected BeanField findField(String name) {
      if (null == fieldMap) {
         fieldMap = loadFieldMap(); //lazy load fields
      }
      return fieldMap.get(name.toUpperCase().trim());
   }
Find the field for a given column.

@param name - the column name to look up.
@return - BeanField containing the field - and whether it is mandatory - for the column.