JavaでBasic認証（ただしマルチスレッドなサーバでは使えない…）

gistfile1.java

import java.net.Authenticator;
import java.net.PasswordAuthentication;

// Basic認証のAuthenticatorを作成
class HttpAuthenticator extends Authenticator {
	public String username;
	public String password;
	public HttpAuthenticator(String username, String password) {
		this.username = username;
		this.password = password;
	}
	protected PasswordAuthentication getPasswordAuthentication() {
		return new PasswordAuthentication(username, password.toCharArray());
	}
}

// 使う
HttpAuthenticator httpAuth = new HttpAuthenticator(user, pass);
Authenticator.setDefault(info.httpAuth);
URLConnection conn = url.openConnection();
conn.setConnectTimeout(CONNECT_TIMEOUT);
conn.setReadTimeout(READ_TIMEOUT);
conn.connect();