Java tutorial
/* Designed and developed by Ismail E. Kartoglu Copyright 2015 King's College London 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 cognition.pipeline.commandline; import cognition.pipeline.service.DNCPipelineService; import org.apache.commons.cli.CommandLine; import org.apache.commons.cli.OptionBuilder; import org.apache.commons.cli.Options; import org.apache.log4j.Logger; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Component; import java.io.File; import java.util.ArrayList; import java.util.Arrays; import java.util.List; @Component public class CommandRunFromFileSystem implements CommandProcessor { private static Logger logger = Logger.getLogger(CommandRunFromFileSystem.class); @Autowired private DNCPipelineService dncPipelineService; private String folderAbsolutePath; @Override public boolean isResponsibleFor(CommandLine cmd) { return cmd.hasOption("folder"); } @Override public void process(CommandLine cmd) { folderAbsolutePath = cmd.getOptionValue("folder"); File folder = new File(folderAbsolutePath); String[] files = folder.list(); List<String> fileList = new ArrayList<>(); fileList.addAll(Arrays.asList(files)); fileList.parallelStream().forEach(file -> { String absoluteFilePath = folderAbsolutePath + file; logger.info("Processing " + absoluteFilePath); dncPipelineService.processFile(absoluteFilePath); }); logger.info("Finished all files in directory " + folderAbsolutePath); } @Override public void addOption(Options options) { options.addOption(OptionBuilder.withLongOpt("folder") .withDescription("The absolute path of the folder in which binary files reside").hasArg() .withArgName("folder").create()); } }