DynamicPasswordService.java

package org.xmx0632.deliciousfruit.service;

import net.sf.ehcache.Cache;
import net.sf.ehcache.Element;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.xmx0632.deliciousfruit.api.v1.helper.PasswordHelper;
import org.xmx0632.deliciousfruit.entity.UserAccount;
import org.xmx0632.deliciousfruit.utilities.sms.SmsService;

@Component
public class DynamicPasswordService {

	public static final String CACHE_NAME = "DYNAMIC_PASSWORD_CACHE";

	private static Logger log = LoggerFactory
			.getLogger(DynamicPasswordService.class);

	@Autowired
	private SmsService smsService;

	@Autowired
	private UserAccountService userAccountService;

	@Autowired
	private Cache dynamicPasswordCache;

	private String getCurrentTimeString() {
		return String.valueOf(System.currentTimeMillis());
	}

	public boolean sendDynamicPassword(String phoneNumber) {
		UserAccount userAccount = userAccountService
				.findByUsername(phoneNumber);
		if (userAccount == null) {
			log.debug("userAccount not exist [{}]", phoneNumber);
			return false;
		}
		String currentTime = getCurrentTimeString();
		String password = PasswordHelper.generatePassword(currentTime, 4);
		boolean sendDynamicPasswordSuccess = smsService.sendDynamicPassword(
				phoneNumber, password);
		if (sendDynamicPasswordSuccess) {
			log.debug("generate dynamic passord [{}] for [{}]", password,
					phoneNumber);
			String encodedPassword = PasswordHelper.md5(password);
			dynamicPasswordCache.put(new Element(phoneNumber, encodedPassword));
			return true;
		}
		return false;
	}
}