Java tutorial
/** * 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 * <p/> * http://www.apache.org/licenses/LICENSE-2.0 * <p/> * 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.stratos.cli.commands; import org.apache.commons.cli.*; import org.apache.stratos.cli.Command; import org.apache.stratos.cli.RestCommandLineService; import org.apache.stratos.cli.StratosCommandContext; import org.apache.stratos.cli.exception.CommandException; import org.apache.stratos.cli.utils.CliConstants; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import static org.apache.stratos.cli.utils.CliUtils.mergeOptionArrays; /** * List cartridges by partial domain search */ public class ListPartialSearchTenantsCommand implements Command<StratosCommandContext> { private static final Logger log = LoggerFactory.getLogger(ListPartialSearchTenantsCommand.class); private final Options options; public ListPartialSearchTenantsCommand() { options = constructOptions(); } private Options constructOptions() { final Options options = new Options(); Option partialDomainOption = new Option(CliConstants.TENANT_PARTIAL_SEARCH_OPTION, CliConstants.TENANT_PARTIAL_SEARCH_LONG_OPTION, true, "partialDomain"); partialDomainOption.setArgName("partialDomain"); options.addOption(partialDomainOption); return options; } public String getName() { return "list-tenants-by-partial-domain"; } public String getDescription() { return "List cartridges by partial domain search"; } public String getArgumentSyntax() { return null; } public int execute(StratosCommandContext context, String[] args, Option[] alreadyParsedOpts) throws CommandException { if (log.isDebugEnabled()) { log.debug("Executing {} command...", getName()); } if (args != null && args.length > 0) { String partialDomain = null; final CommandLineParser parser = new GnuParser(); CommandLine commandLine; try { commandLine = parser.parse(options, args); //merge newly discovered options with previously discovered ones. Options opts = mergeOptionArrays(alreadyParsedOpts, commandLine.getOptions()); if (log.isDebugEnabled()) { log.debug("List cartridges by partial domain search"); } if (opts.hasOption(CliConstants.TENANT_PARTIAL_SEARCH_OPTION)) { if (log.isTraceEnabled()) { log.trace("Partial domain option is passed"); } partialDomain = opts.getOption(CliConstants.TENANT_PARTIAL_SEARCH_OPTION).getValue(); } if (partialDomain == null) { context.getStratosApplication().printUsage(getName()); return CliConstants.COMMAND_FAILED; } RestCommandLineService.getInstance().listTenantsByPartialDomain(partialDomain); return CliConstants.COMMAND_SUCCESSFULL; } catch (ParseException e) { log.error("Error parsing arguments", e); System.out.println(e.getMessage()); return CliConstants.COMMAND_FAILED; } } else { context.getStratosApplication().printUsage(getName()); return CliConstants.COMMAND_FAILED; } } public Options getOptions() { return options; } }