Yoshioriの日記: Java で Lingr "hello world"

超簡単だった。

説明の必要もないくらい･･･
commons-httpclient と dom4j 使ってます。
(あと commons-logging も)
なんかそのまま Bot 作れそう･･･

package org.yoshiori.lingr;

import java.io.IOException;

import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.methods.PostMethod;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.dom4j.DocumentException;
import org.dom4j.io.SAXReader;

public class LingrHellowWorld {

public static void main(String[] args) throws Exception {
		if (args.length < 2) {
			System.err.println("appkey , channel");
			System.exit(1);
		}
		Lingr lingr = new Lingr("lingr hello world", args[0]);
		String room = args[1];
		if (lingr.login(room)) {
			lingr.say("hello world");
			lingr.quit();
		}
	}

static class Lingr {

private static final Log log = LogFactory.getLog(Lingr.class);

private HttpClient client = new HttpClient();

private SAXReader xmlReader = new SAXReader();

private String session;

private String name;

private String ticket;

public Lingr(String name, String apiKey) throws IOException,
				DocumentException {
			this.name = name;
			PostMethod post = new PostMethod(
					"http://www.lingr.com/api/session/create");
			post.addParameter("api_key", apiKey);
			session = post(post, "session");
		}

public boolean quit() throws IOException, DocumentException {
			if (ticket != null) {
				logout();
			}
			PostMethod post = new PostMethod(
					"http://www.lingr.com/api/session/destroy");
			post.setParameter("session", session);
			String status = post(post, "status");
			return "ok".equals(status);
		}

public boolean logout() throws IOException, DocumentException {
			PostMethod post = new PostMethod(
					"http://www.lingr.com/api/room/exit");
			post.setParameter("session", session);
			post.setParameter("ticket", ticket);
			String status = post(post, "status");
			if ("ok".equals(status)) {
				ticket = null;
				return true;
			}
			return false;
		}

public boolean say(String message) throws IOException,
				DocumentException {
			PostMethod post = new PostMethod(
					"http://www.lingr.com/api/room/say");
			post.setParameter("session", session);
			post.setParameter("ticket", ticket);
			post.setParameter("message", message);
			String status = post(post, "status");
			return "ok".equals(status);
		}

public boolean login(String room) throws IOException, DocumentException {
			PostMethod post = new PostMethod(
					"http://www.lingr.com/api/room/enter");
			post.setParameter("session", session);
			post.setParameter("id", room);
			post.setParameter("nickname", name);
			ticket = post(post, "ticket");
			return ticket != null;
		}

private String post(PostMethod post, String qname) throws IOException,
				DocumentException {
			try {
				client.executeMethod(post);
				String value = xmlReader.read(post.getResponseBodyAsStream())
						.getRootElement().elementText(qname);
				if (log.isDebugEnabled()) {
					log.debug(qname + " is " + value);
				}
				return value;
			} catch (IOException e) {
				throw e;
			} catch (DocumentException e) {
				throw e;
			} finally {
				post.releaseConnection();
			}
		}
	}
}

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Java で Lingr "hello world"

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