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.commons.lang.StringUtils; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Component; import cognition.pipeline.service.CoordinatorClientService; @Component public class CommandClient implements CommandProcessor { @Autowired private CoordinatorClientService clientService; @Autowired private DNCPipelineService dncPipelineService; @Override public boolean isResponsibleFor(CommandLine cmd) { boolean client = cmd.hasOption("client"); boolean serverAddress = cmd.hasOption("server"); return client && serverAddress; } @Override public void process(CommandLine cmd) { clientService.setServerAddress(cmd.getOptionValue("server")); if (cmd.hasOption("cognitionName")) { clientService.setCognitionName(cmd.getOptionValue("cognitionName")); } if (cmd.hasOption("chunkSize")) { String chunkSize = cmd.getOptionValue("chunkSize"); if (!StringUtils.isNumeric(chunkSize)) { throw new IllegalArgumentException("The specified chunkSize must be an integer."); } clientService.setChunkSize(chunkSize); } clientService.startProcessing(); } @Override public void addOption(Options options) { options.addOption(OptionBuilder.withLongOpt("client") .withDescription("Application runs as a client of a coordinator web server.").withArgName("client") .create()) .addOption( OptionBuilder.withLongOpt("server").withDescription("The address of the coordinator server") .hasArg().withArgName("server").create()) .addOption( OptionBuilder.withLongOpt("cognitionName").withDescription("Cognition name of the computer") .hasArg().withArgName("cognitionName").create()) .addOption(OptionBuilder.withLongOpt("chunkSize") .withDescription("Number of work coordinates to ask from server.").hasArg() .withArgName("chunkSize").create()); } }