package railo.runtime.net.http;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.List;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import railo.commons.lang.Pair;
import railo.runtime.PageContext;
import railo.runtime.config.Config;
import railo.runtime.engine.ThreadLocalPageContext;
import railo.runtime.type.Struct;
import railo.runtime.type.StructImpl;
public class HttpUtil {
/**
* read all headers from request and return it
* @param req
* @return
*/
public static Pair[] cloneHeaders(HttpServletRequest req) {
List headers=new ArrayList();
Enumeration e = req.getHeaderNames(),ee;
String name;
while(e.hasMoreElements()){
name=(String) e.nextElement();
ee=req.getHeaders(name);
while(ee.hasMoreElements()){
headers.add(new Pair(name,ee.nextElement().toString()));
}
}
return (Pair[]) headers.toArray(new Pair[headers.size()]);
}
public static Struct getAttributesAsStruct(HttpServletRequest req) {
Struct attributes=new StructImpl();
Enumeration e = req.getAttributeNames();
String name;
while(e.hasMoreElements()){
name=(String) e.nextElement();// MUST (hhlhgiug) can throw ConcurrentModificationException
if(name!=null)attributes.setEL(name, req.getAttribute(name));
}
return attributes;
}
public static Pair<String,Object>[] getAttributes(HttpServletRequest req) {
List<Pair<String,Object>> attributes=new ArrayList<Pair<String,Object>>();
Enumeration e = req.getAttributeNames();
String name;
while(e.hasMoreElements()){
name=(String) e.nextElement();
attributes.add(new Pair<String,Object>(name, req.getAttribute(name)));
}
return attributes.toArray(new Pair[attributes.size()]);
}
public static Pair<String,String>[] cloneParameters(HttpServletRequest req) {
List<Pair<String,String>> parameters=new ArrayList<Pair<String,String>>();
Enumeration e = req.getParameterNames();
String[] values;
String name;
while(e.hasMoreElements()){
name=(String) e.nextElement();
values=req.getParameterValues(name);
if(values==null && ReqRspUtil.needEncoding(name, true))
values=req.getParameterValues(ReqRspUtil.encode(name, ReqRspUtil.getCharacterEncoding(null,req)));
if(values==null) {
PageContext pc = ThreadLocalPageContext.get();
if(pc!=null && ReqRspUtil.identical(pc.getHttpServletRequest(),req) ) {
values=HTTPServletRequestWrap.getParameterValues(ThreadLocalPageContext.get(), name);
}
}
if(values!=null)for(int i=0;i<values.length;i++){
parameters.add(new Pair<String,String>(name,values[i]));
}
}
return parameters.toArray(new Pair[parameters.size()]);
}
public static Cookie[] cloneCookies(Config config,HttpServletRequest req) {
Cookie[] src=ReqRspUtil.getCookies(config, req);
if(src==null)return new Cookie[0];
Cookie[] dest=new Cookie[src.length];
for(int i=0;i<src.length;i++) {
dest[i]=(Cookie) src[i].clone();
}
return dest;
}
}