top.hmtools.javaWeb.RequestInfoTools Maven / Gradle / Ivy
package top.hmtools.javaWeb;
import java.lang.reflect.Method;
import java.util.Enumeration;
import top.hmtools.base.ClassTools;
import top.hmtools.model.ResultModel;
/**
* 获取request请求中的信息工具
* @author Jianghaibo
*
*/
public class RequestInfoTools {
private static final String INTERFACE_REQUEST_NAME = "javax.servlet.ServletRequest";
/**
* 获取HTTP请求头部信息数据集合
* @param obj
* @return
*/
@SuppressWarnings("unchecked")
public static ResultModel getRequestHeaderInfo(Object obj){
ResultModel result = new ResultModel();
try {
//验证是否是 request
boolean isImplementsServletRequest = ClassTools.isImplements(obj.getClass(), INTERFACE_REQUEST_NAME);
if(!isImplementsServletRequest){
result.setMessage("该对象实例并不是"+INTERFACE_REQUEST_NAME+"的子类（实现类）");
return result;
}
//通过反射获取HTTP请求头信息集合
Method methodGetHeaderNames = obj.getClass().getMethod("getHeaderNames", Enumeration.class);
Method methodGetHeaderValue = obj.getClass().getMethod("getHeader", String.class);
Enumeration headerNames = (Enumeration)methodGetHeaderNames.invoke(obj);
while(headerNames.hasMoreElements()){
String headerName = headerNames.nextElement();
String headerValue = (String)methodGetHeaderValue.invoke(obj,headerName);
result.put(headerName, headerValue);
}
result.setStatusSuccess();
} catch (Exception e) {
result.setMessage(e.getMessage());
}
return result;
}
}