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.kafka.shell.node.printer;
  
  import org.apache.kafka.image.node.printer.MetadataNodePrinter;
  import org.apache.kafka.image.node.printer.MetadataNodeRedactionCriteria;
  
  import java.io.PrintWriter;
  
  
  /**
   * Prints Kafka metadata shell nodes.
   */
  public class ShellNodePrinter implements MetadataNodePrinter {
      private final PrintWriter writer;
      private int indentationLevel;
  
      public ShellNodePrinter(PrintWriter writer) {
          this.writer = writer;
      }
  
      String indentationString() {
          return " ".repeat(2).repeat(Math.max(0, indentationLevel));
      }
  
      @Override
      public MetadataNodeRedactionCriteria redactionCriteria() {
          return MetadataNodeRedactionCriteria.Disabled.INSTANCE;
      }
  
      @Override
      public void enterNode(String name) {
          writer.append(String.format("%s%s:%n", indentationString(), name));
          indentationLevel++;
      }
  
      @Override
      public void leaveNode() {
          indentationLevel--;
      }
  
      @Override
      public void output(String text) {
          writer.append(String.format("%s%s%n", indentationString(), text));
      }
  }
  