Java tutorial
/* * Copyright 2010-2011 Nabeel Mukhtar * * 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 com.google.code.linkedinapi.client.examples; import java.text.MessageFormat; import java.util.Arrays; import java.util.Collections; import org.apache.commons.cli.BasicParser; import org.apache.commons.cli.CommandLine; import org.apache.commons.cli.HelpFormatter; import org.apache.commons.cli.Option; import org.apache.commons.cli.OptionBuilder; import org.apache.commons.cli.Options; import org.apache.commons.cli.ParseException; import com.google.code.linkedinapi.client.LinkedInApiClient; import com.google.code.linkedinapi.client.LinkedInApiClientFactory; /** * @author Nabeel Mukhtar * */ public class MessagingApiExample { /** * Consumer Key */ private static final String CONSUMER_KEY_OPTION = "consumerKey"; /** * Consumer Secret */ private static final String CONSUMER_SECRET_OPTION = "consumerSecret"; /** * Access Token */ private static final String ACCESS_TOKEN_OPTION = "token"; /** * Access Token Secret */ private static final String ACCESS_TOKEN_SECRET_OPTION = "tokenSecret"; /** * ID */ private static final String ID_OPTION = "id"; /** * Email */ private static final String SUBJECT_OPTION = "subject"; /** * URL */ private static final String MESSAGE_OPTION = "message"; /** * Name of the help command line option. */ private static final String HELP_OPTION = "help"; /** * @param args */ public static void main(String[] args) { Options options = buildOptions(); try { CommandLine line = new BasicParser().parse(options, args); processCommandLine(line, options); } catch (ParseException exp) { System.err.println(exp.getMessage()); printHelp(options); } } /** * Process command line options and call the service. */ private static void processCommandLine(CommandLine line, Options options) { if (line.hasOption(HELP_OPTION)) { printHelp(options); } else if (line.hasOption(CONSUMER_KEY_OPTION) && line.hasOption(CONSUMER_SECRET_OPTION) && line.hasOption(ACCESS_TOKEN_OPTION) && line.hasOption(ACCESS_TOKEN_SECRET_OPTION) && line.hasOption(SUBJECT_OPTION) && line.hasOption(MESSAGE_OPTION)) { final String consumerKeyValue = line.getOptionValue(CONSUMER_KEY_OPTION); final String consumerSecretValue = line.getOptionValue(CONSUMER_SECRET_OPTION); final String accessTokenValue = line.getOptionValue(ACCESS_TOKEN_OPTION); final String tokenSecretValue = line.getOptionValue(ACCESS_TOKEN_SECRET_OPTION); final String subject = line.getOptionValue(SUBJECT_OPTION); final String message = line.getOptionValue(MESSAGE_OPTION); final LinkedInApiClientFactory factory = LinkedInApiClientFactory.newInstance(consumerKeyValue, consumerSecretValue); final LinkedInApiClient client = factory.createLinkedInApiClient(accessTokenValue, tokenSecretValue); if (line.hasOption(ID_OPTION)) { String idValue = line.getOptionValue(ID_OPTION); System.out.println("Sending message to users with ids:" + idValue); client.sendMessage(Arrays.asList(idValue.split(",")), subject, message); System.out.println("Your message has been sent. Check the LinkedIn site for confirmation."); } else { System.out.println("Sending message to current user."); client.sendMessage(Collections.singletonList("~"), subject, message); System.out.println("Your message has been sent. Check the LinkedIn site for confirmation."); } } else { printHelp(options); } } /** * Build command line options object. */ private static Options buildOptions() { Options opts = new Options(); String helpMsg = "Print this message."; Option help = new Option(HELP_OPTION, helpMsg); opts.addOption(help); String consumerKeyMsg = "You API Consumer Key."; OptionBuilder.withArgName("consumerKey"); OptionBuilder.hasArg(); OptionBuilder.withDescription(consumerKeyMsg); Option consumerKey = OptionBuilder.create(CONSUMER_KEY_OPTION); opts.addOption(consumerKey); String consumerSecretMsg = "You API Consumer Secret."; OptionBuilder.withArgName("consumerSecret"); OptionBuilder.hasArg(); OptionBuilder.withDescription(consumerSecretMsg); Option consumerSecret = OptionBuilder.create(CONSUMER_SECRET_OPTION); opts.addOption(consumerSecret); String accessTokenMsg = "You OAuth Access Token."; OptionBuilder.withArgName("accessToken"); OptionBuilder.hasArg(); OptionBuilder.withDescription(accessTokenMsg); Option accessToken = OptionBuilder.create(ACCESS_TOKEN_OPTION); opts.addOption(accessToken); String tokenSecretMsg = "You OAuth Access Token Secret."; OptionBuilder.withArgName("accessTokenSecret"); OptionBuilder.hasArg(); OptionBuilder.withDescription(tokenSecretMsg); Option accessTokenSecret = OptionBuilder.create(ACCESS_TOKEN_SECRET_OPTION); opts.addOption(accessTokenSecret); String idMsg = "IDs of the users to whom a message is to be sent (separated by comma)."; OptionBuilder.withArgName("ids"); OptionBuilder.hasArg(); OptionBuilder.withDescription(idMsg); Option id = OptionBuilder.create(ID_OPTION); opts.addOption(id); String subjectMsg = "Subject of the message."; OptionBuilder.withArgName("subject"); OptionBuilder.hasArg(); OptionBuilder.withDescription(subjectMsg); Option subject = OptionBuilder.create(SUBJECT_OPTION); opts.addOption(subject); String messageMsg = "Content of the message."; OptionBuilder.withArgName("message"); OptionBuilder.hasArg(); OptionBuilder.withDescription(messageMsg); Option message = OptionBuilder.create(MESSAGE_OPTION); opts.addOption(message); return opts; } /** * Print help and usage. */ private static void printHelp(Options options) { int width = 80; String syntax = MessagingApiExample.class.getName() + " <options>"; String header = MessageFormat.format( "\nThe -{0}, -{1}, -{2} , -{3}, -{4}, -{5} options are required. The -{6} option is optional.", CONSUMER_KEY_OPTION, CONSUMER_SECRET_OPTION, ACCESS_TOKEN_OPTION, ACCESS_TOKEN_SECRET_OPTION, SUBJECT_OPTION, MESSAGE_OPTION, ID_OPTION); String footer = MessageFormat.format( "\nIf you do not specify -{0} option, the message is sent to the current user. You can specify multiple ids separated by comma.", ID_OPTION); new HelpFormatter().printHelp(width, syntax, header, options, footer, false); } }