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 }