content: /*
   * 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.cassandra.tools.nodetool.stats;
  
  import java.io.PrintStream;
  import java.util.Iterator;
  import java.util.List;
  import java.util.Map;
  
  public class DataPathsPrinter<T extends StatsHolder>
  {
      public static StatsPrinter<DataPathsHolder> from(String format)
      {
          if ("json".equals(format))
              return new StatsPrinter.JsonPrinter<>();
          if ("yaml".equals(format))
              return new StatsPrinter.YamlPrinter<>();
  
          return new DefaultPrinter();
      }
  
      public static class DefaultPrinter implements StatsPrinter<DataPathsHolder>
      {
          @Override
          public void print(DataPathsHolder data, PrintStream out)
          {
              Iterator<Map.Entry<String, Object>> iterator = data.pathsHash.entrySet().iterator();
  
              while (iterator.hasNext())
              {
                  Map.Entry<String, Object> entry = iterator.next();
  
                  out.println("Keyspace: " + entry.getKey());
                  Map<String, List<String>> ksPaths = (Map<String, List<String>>) entry.getValue();
                  for (Map.Entry<String, List<String>> table : ksPaths.entrySet())
                  {
                      out.println("\tTable: " + table.getKey());
                      out.println("\tPaths:");
  
                      for (String path : table.getValue())
                          out.println("\t\t" + path);
  
                      out.println("");
                  }
              }
          }
      }
  }
  