org.ladsn.security.browser.logout.LadsnLogoutSuccessHandler Maven / Gradle / Ivy

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/**
 * 
 */
package org.ladsn.security.browser.logout;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.lang.StringUtils;
import org.ladsn.security.core.support.SimpleResponse;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.security.core.Authentication;
import org.springframework.security.web.authentication.logout.LogoutSuccessHandler;

import com.fasterxml.jackson.databind.ObjectMapper;

/**
 * 默认的退出成功处理器，如果设置了ladsn.security.browser.signOutUrl，则跳到配置的地址上，
 * 如果没配置，则返回json格式的响应。
 * 
 * @author Lee
 *
 */
public class LadsnLogoutSuccessHandler implements LogoutSuccessHandler {

	private Logger logger = LoggerFactory.getLogger(getClass());

	public LadsnLogoutSuccessHandler(String signOutSuccessUrl) {
		this.signOutSuccessUrl = signOutSuccessUrl;
	}

	private String signOutSuccessUrl;
	
	private ObjectMapper objectMapper = new ObjectMapper();

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.springframework.security.web.authentication.logout.
	 * LogoutSuccessHandler#onLogoutSuccess(javax.servlet.http.
	 * HttpServletRequest, javax.servlet.http.HttpServletResponse,
	 * org.springframework.security.core.Authentication)
	 */
	@Override
	public void onLogoutSuccess(HttpServletRequest request, HttpServletResponse response, Authentication authentication)
			throws IOException, ServletException {

		logger.info("退出成功");

		if (StringUtils.isBlank(signOutSuccessUrl)) {
			response.setContentType("application/json;charset=UTF-8");
			response.getWriter().write(objectMapper.writeValueAsString(new SimpleResponse("退出成功")));
		} else {
			response.sendRedirect(signOutSuccessUrl);
		}

	}

}