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 java.util.Properties;
020
021 import org.apache.camel.component.file.FileProcessStrategy;
022
023 /**
024 * Factory to provide the {@link org.apache.camel.component.file.FileProcessStrategy} to use.
025 */
026 public final class FileProcessStrategyFactory {
027
028 private FileProcessStrategyFactory() {
029 // Factory class
030 }
031
032 /**
033 * A strategy method to lazily create the file strategy to use.
034 */
035 public static FileProcessStrategy createFileProcessStrategy(Properties params) {
036
037 // We assume a value is present only if its value not null for String and 'true' for boolean
038 boolean isDelete = params.getProperty("delete") != null;
039 boolean isLock = params.getProperty("lock") != null;
040 String moveNamePrefix = params.getProperty("moveNamePrefix");
041 String moveNamePostfix = params.getProperty("moveNamePostfix");
042
043 if (params.getProperty("noop") != null) {
044 return new NoOpFileProcessStrategy(isLock);
045 } else if (moveNamePostfix != null || moveNamePrefix != null) {
046 if (isDelete) {
047 throw new IllegalArgumentException("You cannot set the deleteFiles property "
048 + "and a moveFilenamePostfix or moveFilenamePrefix");
049 }
050 return new RenameFileProcessStrategy(isLock, moveNamePrefix, moveNamePostfix);
051 } else if (isDelete) {
052 return new DeleteFileProcessStrategy(isLock);
053 } else {
054 return new RenameFileProcessStrategy(isLock);
055 }
056 }
057 }