SmsService.java

package org.xmx0632.deliciousfruit.utilities.sms;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

import javax.mail.MessagingException;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
import org.springframework.ui.freemarker.FreeMarkerTemplateUtils;

import freemarker.template.Configuration;
import freemarker.template.Template;
import freemarker.template.TemplateException;

@Component
public class SmsService {
	private static Logger log = LoggerFactory.getLogger(SmsService.class);

	private static final String DEFAULT_ENCODING = "utf-8";

	private SmsSender smsSender;

	private Template resetPasswordTemplate;

	private Template dynamicPasswordTemplate;

	public boolean sendResetPassword(String userName, String mobileNo,
			String password) {
		log.debug("userName:{},mobileNo:{},password:{}", userName, mobileNo,
				password);
		try {
			String message = generateResetPasswordContent(userName, password);
			log.debug("message:{}", message);
			return smsSender.send(message, mobileNo);
		} catch (MessagingException e) {
			log.error(e.getMessage(), e);
		}
		return false;
	}

	public void setFreemarkerConfiguration(Configuration freemarkerConfiguration)
			throws IOException {
		resetPasswordTemplate = freemarkerConfiguration.getTemplate(
				"resetPasswordTemplate.ftl", DEFAULT_ENCODING);
		dynamicPasswordTemplate = freemarkerConfiguration.getTemplate(
				"dynamicPasswordTemplate.ftl", DEFAULT_ENCODING);
	}

	public void setSmsSender(SmsSender smsSender) {
		this.smsSender = smsSender;
	}

	public boolean sendDynamicPassword(String mobileNo, String password) {
		log.debug("mobileNo:{},password:{}", mobileNo, password);
		try {
			String message = generateDynamicPasswordContent(password);
			log.debug("message:{}", message);
			return smsSender.send(message, mobileNo);
		} catch (MessagingException e) {
			log.error(e.getMessage(), e);
		}
		return false;
	}

	private String generateDynamicPasswordContent(String password)
			throws MessagingException {
		Map<String, String> context = new HashMap<String, String>();
		context.put("password", password);
		return generateContent(context, dynamicPasswordTemplate);
	}

	private String generateResetPasswordContent(String userName, String password)
			throws MessagingException {
		Map<String, String> context = new HashMap<String, String>();
		context.put("userName", userName);
		context.put("password", password);
		return generateContent(context, resetPasswordTemplate);
	}

	private String generateContent(Map<String, String> context,
			Template template) throws MessagingException {
		try {
			return FreeMarkerTemplateUtils.processTemplateIntoString(template,
					context);
		} catch (IOException e) {
			log.error(
					"generate sms content error, FreeMarker template not exist",
					e);
			throw new MessagingException("FreeMarker template not exist", e);
		} catch (TemplateException e) {
			log.error("generate sms content error, FreeMarker process error", e);
			throw new MessagingException("FreeMarker process error", e);
		}
	}
}