/*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you 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 org.apache.hadoop.hbase.classification.tools;
  
  import com.sun.javadoc.DocErrorReporter;
  
  import java.util.ArrayList;
  import java.util.List;
  
  class StabilityOptions {
    public static final String STABLE_OPTION = "-stable";
    public static final String EVOLVING_OPTION = "-evolving";
    public static final String UNSTABLE_OPTION = "-unstable";
  
    public static Integer optionLength(String option) {
      String opt = option.toLowerCase();
      if (opt.equals(UNSTABLE_OPTION)) return 1;
      if (opt.equals(EVOLVING_OPTION)) return 1;
      if (opt.equals(STABLE_OPTION)) return 1;
      return null;
    }
  
    public static void validOptions(String[][] options, DocErrorReporter reporter) {
      for (int i = 0; i < options.length; i++) {
        String opt = options[i][0].toLowerCase();
        if (opt.equals(UNSTABLE_OPTION)) {
          RootDocProcessor.stability = UNSTABLE_OPTION;
        } else if (opt.equals(EVOLVING_OPTION)) {
          RootDocProcessor.stability = EVOLVING_OPTION;
        } else if (opt.equals(STABLE_OPTION)) {
          RootDocProcessor.stability = STABLE_OPTION;
        }
      }
    }
  
    public static String[][] filterOptions(String[][] options) {
      List<String[]> optionsList = new ArrayList<String[]>();
      for (int i = 0; i < options.length; i++) {
        if (!options[i][0].equalsIgnoreCase(UNSTABLE_OPTION)
            && !options[i][0].equalsIgnoreCase(EVOLVING_OPTION)
            && !options[i][0].equalsIgnoreCase(STABLE_OPTION)) {
          optionsList.add(options[i]);
        }
      }
      String[][] filteredOptions = new String[optionsList.size()][];
      int i = 0;
      for (String[] option : optionsList) {
        filteredOptions[i++] = option;
      }
      return filteredOptions;
    }
  
  }