/**
* 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");
String preMoveNamePrefix = (String) params.get("preMoveNamePrefix");
String preMoveNamePostfix = (String) params.get("preMoveNamePostfix");
Expression expression = (Expression) params.get("expression");
Expression preMoveExpression = (Expression) params.get("preMoveExpression");
boolean move = moveNamePrefix != null || moveNamePostfix != null;
boolean preMove = preMoveNamePrefix != null || preMoveNamePostfix != null;
if (params.containsKey("noop")) {
return new NoOpFileProcessStrategy(isLock);
} else if (move || preMove) {
RenameFileProcessStrategy strategy = new RenameFileProcessStrategy(isLock);
if (move) {
strategy.setCommitRenamer(new DefaultFileRenamer(moveNamePrefix, moveNamePostfix));
}
if (preMove) {
strategy.setBeginRenamer(new DefaultFileRenamer(preMoveNamePrefix, preMoveNamePostfix));
}
return strategy;
} else if (expression != null || preMoveExpression != null) {
RenameFileProcessStrategy strategy = new RenameFileProcessStrategy(isLock);
if (expression != null) {
FileExpressionRenamer renamer = new FileExpressionRenamer();
renamer.setExpression(expression);
strategy.setCommitRenamer(renamer);
}
if (preMoveExpression != null) {
FileExpressionRenamer renamer = new FileExpressionRenamer();
renamer.setExpression(preMoveExpression);
strategy.setBeginRenamer(renamer);
}
return strategy;
} else if (isDelete) {
return new DeleteFileProcessStrategy(isLock);
} else {
// default strategy will move to .camel subfolder
return new RenameFileProcessStrategy(isLock);
}
}
}