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.causeway.commons.io;
  
  import java.net.URL;
  import java.net.URLDecoder;
  import java.net.URLEncoder;
  import java.nio.charset.StandardCharsets;
  
  import org.jspecify.annotations.Nullable;
  
  import lombok.SneakyThrows;
  import lombok.experimental.UtilityClass;
  
  /**
   * Utilities for {@link URL}s.
   *
   * @since 2.0 {@index}
   */
  @UtilityClass
  public class UrlUtils {
  
      // -- DECODE
  
      /**
       * @see URLDecoder
       */
      @SneakyThrows
      public static String urlDecodeUtf8(final @Nullable String input) {
          return input!=null
               ? URLDecoder.decode(input, StandardCharsets.UTF_8)
               : input;
      }
  
      // -- ENCODE
  
      /**
       * @see URLEncoder
       */
      @SneakyThrows
      public static String urlEncodeUtf8(final @Nullable String input) {
          return input!=null
                  ? URLEncoder.encode(input, StandardCharsets.UTF_8)
                  : input;
      }
  
      // -- VALIDITY
  
  //XXX non optimized, so not published
  //    /**
  //     * Whether given url string is URL safe.
  //     * @implNote this check is potentially expensive,
  //     *      as it generates stacktraces for the non-happy cases
  //     */
  //    public boolean isUrlSafe(final String url) {
  //        try {
  //            new URL(url);
  //            return true;
  //        } catch (MalformedURLException e) {
  //            return false;
  //        }
  //    }
  
  }
  