/*
* Copyright 2010 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.stackexchange.client.examples;
import java.text.MessageFormat;
import java.util.EnumSet;
import java.util.List;
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.stackexchange.client.StackExchangeApiClient;
import com.google.code.stackexchange.client.StackExchangeApiClientFactory;
import com.google.code.stackexchange.schema.FilterOption;
import com.google.code.stackexchange.schema.PostTimeline;
import com.google.code.stackexchange.schema.Question;
/**
* The Class QuestionsApiExample.
*/
public class QuestionsApiExample {
/** The Constant APPLICATION_KEY_OPTION. */
private static final String APPLICATION_KEY_OPTION = "key";
/** The Constant ID_OPTION. */
private static final String ID_OPTION = "id";
/** The Constant HELP_OPTION. */
private static final String HELP_OPTION = "help";
/**
* The main method.
*
* @param args the arguments
*/
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.
*
* @param line the line
* @param options the options
*/
private static void processCommandLine(CommandLine line, Options options) {
if(line.hasOption(HELP_OPTION)) {
printHelp(options);
} else if(line.hasOption(APPLICATION_KEY_OPTION)) {
final String keyValue = line.getOptionValue(APPLICATION_KEY_OPTION);
final StackExchangeApiClientFactory factory = StackExchangeApiClientFactory.newInstance(keyValue);
final StackExchangeApiClient client = factory.createStackExchangeApiClient();
if(line.hasOption(ID_OPTION)) {
String idValue = line.getOptionValue(ID_OPTION);
List<Question> question = client.getQuestions(Long.valueOf(idValue));
printResult(question.get(0));
} else {
List<Question> questions = client.getQuestions(EnumSet.of(FilterOption.INCLUDE_BODY, FilterOption.INCLUDE_COMMENTS));
for (Question question : questions) {
printResult(question);
}
List<PostTimeline> questionTimeline = client.getQuestionsTimeline(2420689L);
for (PostTimeline timeline : questionTimeline) {
printResult(timeline);
}
}
} else {
printHelp(options);
}
}
/**
* Prints the result.
*
* @param timeline the timeline
*/
private static void printResult(PostTimeline timeline) {
System.out.println(timeline.getAction() + ":" + timeline.getTimelineType());
}
/**
* Prints the result.
*
* @param question the question
*/
private static void printResult(Question question) {
System.out.println(question.getTitle() + ":" + question.getAnswerCount());
}
/**
* Builds the options.
*
* @return the options
*/
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 Key.";
OptionBuilder.withArgName("key");
OptionBuilder.hasArg();
OptionBuilder.withDescription(consumerKeyMsg);
Option consumerKey = OptionBuilder.create(APPLICATION_KEY_OPTION);
opts.addOption(consumerKey);
String idMsg = "ID of the users to whom a message is to be sent (separated by comma).";
OptionBuilder.withArgName("id");
OptionBuilder.hasArg();
OptionBuilder.withDescription(idMsg);
Option id = OptionBuilder.create(ID_OPTION);
opts.addOption(id);
return opts;
}
/**
* Prints the help.
*
* @param options the options
*/
private static void printHelp(Options options) {
int width = 80;
String syntax = QuestionsApiExample.class.getName() + " <options>";
String header = MessageFormat.format("\nThe -{0} option is required. The -{1} option is optional.", APPLICATION_KEY_OPTION, ID_OPTION);
String footer = "";
new HelpFormatter().printHelp(width, syntax, header, options, footer, false);
}
}