/** * Copyright (C) 2013 Jakob Külzer (jakob.kuelzer@gmail.com) * * Licensed 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 de.jakusys.jackhammer.cli.upload.handler.factory; import de.jakusys.jackhammer.cli.path.Path; import de.jakusys.jackhammer.cli.upload.handler.FileHandler; import de.jakusys.jackhammer.cli.upload.handler.Operation; import de.jakusys.jackhammer.cli.upload.handler.impl.CreateAndUpdateFileFileHandler; import de.jakusys.jackhammer.cli.upload.handler.impl.CreateDirectoryFileHandler; import de.jakusys.jackhammer.cli.upload.handler.impl.DeleteFileHandler; import de.jakusys.jackhammer.cli.util.PathRelativizer; import java.io.File; import static com.google.common.base.Preconditions.checkState; /** * @author Jakob Külzer */ public class DefaultFileHandlerFactory implements FileHandlerFactory { private final PathRelativizer pathRelativizer; public DefaultFileHandlerFactory(PathRelativizer pathRelativizer) { this.pathRelativizer = pathRelativizer; } @Override public FileHandler create(Operation operation, File file) { final boolean isDirectory = file.isDirectory(); final Path path = pathRelativizer.relativize(file); switch (operation) { case Delete: return new DeleteFileHandler(path); case Create: case Update: checkState(file.canRead(), "File " + file.getAbsolutePath() + " is not readable."); if (isDirectory) { return new CreateDirectoryFileHandler(path, file); } else { return new CreateAndUpdateFileFileHandler(path, file); } default: } return NoOpFileHandler.INSTANCE; } }