text: /*
   * Copyright 2015, The Querydsl Team (http://www.querydsl.com/team)
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   * http://www.apache.org/licenses/LICENSE-2.0
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package com.querydsl.sql.codegen;
  
  import static javax.lang.model.SourceVersion.isKeyword;
  
  /**
   * {@code Naming} provides name normalization functionality
   *
   * @author tiwe
   *
   */
  public final class Naming {
  
      public static String normalize(String s, String reservedSuffix) {
          if (isKeyword(s)) {
              return s + reservedSuffix;
          } else {
              StringBuilder sb = new StringBuilder(s.length() + 1);
              for (char c : s.toCharArray()) {
                  if (!Character.isJavaIdentifierPart(c)) {
                      sb.append("_");
                  } else if (sb.length() == 0 && !Character.isJavaIdentifierStart(c)) {
                      sb.append("_").append(c);
                  } else {
                      sb.append(c);
                  }
              }
              return sb.toString();
          }
      }
  
      private Naming() { }
  
  }
  