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Operate Common

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/*
 * Copyright Camunda Services GmbH and/or licensed to Camunda Services GmbH under
 * one or more contributor license agreements. See the NOTICE file distributed
 * with this work for additional information regarding copyright ownership.
 * Licensed under the Camunda License 1.0. You may not use this file
 * except in compliance with the Camunda License 1.0.
 */
package io.camunda.operate.util;

import java.util.Arrays;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.function.Supplier;

/**
 * MapPath enables retrieving values from a Map recursive tree-like data structure
 * by path
 */
public class MapPath {
  private final Map map;

  public MapPath(Map map) {
    this.map = map;
  }

  public static MapPath from(Map map) {
    return new MapPath(map);
  }

  public Optional getByPath(String... path) {
    return getByPath(Arrays.asList(path));
  }

  public Optional getByPath(List path) {
    final Supplier pathHead = () -> path.get(0);
    final Supplier> pathTail = () -> path.subList(1, path.size());
    final Supplier