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/*
Copyright 2020 Twitter, Inc.
SPDX-License-Identifier: Apache-2.0

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.

NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
https://openapi-generator.tech
Do not edit the class manually.
*/


package com.twitter.clientlib;

import java.util.Collection;
import java.util.Iterator;

@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen")
public class StringUtil {
  /**
   * Check if the given array contains the given value (with case-insensitive comparison).
   *
   * @param array The array
   * @param value The value to search
   * @return true if the array contains the value
   */
  public static boolean containsIgnoreCase(String[] array, String value) {
    for (String str : array) {
      if (value == null && str == null) {
        return true;
      }
      if (value != null && value.equalsIgnoreCase(str)) {
        return true;
      }
    }
    return false;
  }

  /**
   * Join an array of strings with the given separator.
   * 
   * Note: This might be replaced by utility method from commons-lang or guava someday
   * if one of those libraries is added as dependency.
   * 
   *
   * @param array     The array of strings
   * @param separator The separator
   * @return the resulting string
   */
  public static String join(String[] array, String separator) {
    int len = array.length;
    if (len == 0) {
      return "";
    }

    StringBuilder out = new StringBuilder();
    out.append(array[0]);
    for (int i = 1; i < len; i++) {
      out.append(separator).append(array[i]);
    }
    return out.toString();
  }

  /**
   * Join a list of strings with the given separator.
   *
   * @param list      The list of strings
   * @param separator The separator
   * @return the resulting string
   */
  public static String join(Collection list, String separator) {
    Iterator iterator = list.iterator();
    StringBuilder out = new StringBuilder();
    if (iterator.hasNext()) {
      out.append(iterator.next());
    }
    while (iterator.hasNext()) {
      out.append(separator).append(iterator.next());
    }
    return out.toString();
  }
}