001    /**
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    package org.apache.camel.component.file.strategy;
018    
019    import org.apache.camel.component.file.FileProcessStrategy;
020    
021    /**
022     * Factory to provide the {@link org.apache.camel.component.file.FileProcessStrategy} to use.
023     */
024    public final class FileProcessStrategyFactory {
025    
026        private FileProcessStrategyFactory() {
027            // Utility class
028        }
029    
030        /**
031         * A strategy method to lazily create the file strategy to use.
032         */
033        public static FileProcessStrategy createFileProcessStrategy(boolean isNoop, boolean isDelete, boolean isLock, String moveNamePrefix, String moveNamePostfix) {
034            if (isNoop) {
035                return new NoOpFileProcessStrategy();
036            } else if (moveNamePostfix != null || moveNamePrefix != null) {
037                if (isDelete) {
038                    throw new IllegalArgumentException("You cannot set the deleteFiles property and a moveFilenamePostfix or moveFilenamePrefix");
039                }
040                return new RenameFileProcessStrategy(isLock, moveNamePrefix, moveNamePostfix);
041            } else if (isDelete) {
042                return new DeleteFileProcessStrategy(isLock);
043            } else {
044                return new RenameFileProcessStrategy(isLock);
045            }
046        }
047    }