/**
* 使用模板渲染
*
* @param template 模板名稱
* @param dataModel 模板參數
*/
public <T> void render(String template, Map<String, T> dataModel) {
try {
if (dataModel == null) dataModel = new HashMap<String, T>();
dataModel.put("contextPath", (T) getContextPath(request));
// 模板中传入session值
HttpSession session = request.getSession();
String[] sessionName = session.getValueNames();
for (String name : sessionName) {
dataModel.put(name, (T) request.getSession().getAttribute(name));
}
// 模板中传入request值
Map paramMap = request.getParameterMap();
for (Iterator itor = paramMap.keySet().iterator(); itor.hasNext(); ) {
Object key = itor.next();
Object object = paramMap.get(key);
if (key instanceof String && object != null) {
if (object.getClass().isArray()) {
Object[] sValue = (Object[]) object;
String value = sValue[0].toString();
if (value.trim().isEmpty()) continue;
dataModel.put(key.toString(), (T) value);
}
}
}
String result = FreeMarkerTool.getSingleton().getTemplateResult(template, dataModel);
response.getWriter().write(result);
} catch (Exception e) {
logger.error(e.getMessage(), e);
}
}
/**
* 同步数据到redis
*
* @author 杨雪令
* @time 2016年5月18日上午11:46:03
* @version 1.0
*/
public void syncToRedis() {
if (this.key == null || this.key.length() < 1) return;
Map<String, Object> paramMap = new HashMap<String, Object>();
for (String valueName : httpSession.getValueNames()) {
paramMap.put(valueName, httpSession.getAttribute(valueName));
}
JedisUtil.set(this.key, paramMap, timeout * 60);
}
/** {@inheritDoc} */
@SuppressWarnings("deprecation")
public int size() {
return session != null ? session.getValueNames().length : 0;
}
@SuppressWarnings("deprecation")
@Override
public String[] getValueNames() {
syncFromRedis();
return httpSession.getValueNames();
}
@Override
public String[] getValueNames() {
return sess.getValueNames();
}