/**
* 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.strategy;
import java.util.Map;
import org.apache.camel.Expression;
import org.apache.camel.component.file.FileProcessStrategy;
/**
* Factory to provide the {@link org.apache.camel.component.file.FileProcessStrategy} to use.
*/
public final class FileProcessStrategyFactory {
private FileProcessStrategyFactory() {
// Factory class
}
/**
* A strategy method to lazily create the file strategy to use.
*/
public static FileProcessStrategy createFileProcessStrategy(Map<String, Object> params) {
// We assume a value is present only if its value not null for String and 'true' for boolean
boolean isDelete = params.get("delete") != null;
boolean isLock = params.get("lock") != null;
String moveNamePrefix = (String) params.get("moveNamePrefix");
String moveNamePostfix = (String) params.get("moveNamePostfix");
Expression expression = (Expression) params.get("expression");
if (params.containsKey("noop")) {
return new NoOpFileProcessStrategy(isLock);
} else if (moveNamePostfix != null || moveNamePrefix != null) {
if (isDelete) {
throw new IllegalArgumentException("You cannot set the deleteFiles property "
+ "and a moveFilenamePostfix or moveFilenamePrefix");
}
return new RenameFileProcessStrategy(isLock, moveNamePrefix, moveNamePostfix);
} else if (expression != null) {
FileExpressionRenamer renamer = new FileExpressionRenamer();
renamer.setExpression(expression);
RenameFileProcessStrategy strategy = new RenameFileProcessStrategy(isLock);
strategy.setRenamer(renamer);
return strategy;
} else if (isDelete) {
return new DeleteFileProcessStrategy(isLock);
} else {
return new RenameFileProcessStrategy(isLock);
}
}
}