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.camel.component.file;
  
  import java.util.function.Supplier;
  
  import org.apache.camel.Exchange;
  import org.apache.camel.support.MessageHelper;
  
  public final class GenericFileHelper {
  
      private GenericFileHelper() {
      }
  
      public static String asExclusiveReadLockKey(GenericFile file, String key) {
          // use the copy from absolute path as that was the original path of the
          // file when the lock was acquired
          // for example if the file consumer uses preMove then the file is moved
          // and therefore has another name
          // that would no longer match
          String path
                  = file.getCopyFromAbsoluteFilePath() != null ? file.getCopyFromAbsoluteFilePath() : file.getAbsoluteFilePath();
          return asExclusiveReadLockKey(path, key);
      }
  
      public static String asExclusiveReadLockKey(String path, String key) {
          return path + "-" + key;
      }
  
      public static <T> Exchange createDummy(GenericFileEndpoint<T> endpoint, Exchange dynamic, Supplier<GenericFile<T>> file) {
          Exchange dummy = endpoint.createExchange(file.get());
          if (dynamic != null) {
              // enrich with data from dynamic source
              if (dynamic.getMessage().hasHeaders()) {
                  MessageHelper.copyHeaders(dynamic.getMessage(), dummy.getMessage(), true);
                  if (dynamic.hasVariables()) {
                      dummy.getVariables().putAll(dynamic.getVariables());
                  }
              }
          }
          return dummy;
      }
  
  }
  