/**
* build the redirect reply based on the request and the current configuration
*
* @param request The request to handle.
* @exception ProtocolException If processsing the request failed.
* @return a Reply
*/
private Reply getRedirectReply(Request request) throws ProtocolException {
String location = getLocation();
if (location == null) {
Reply error = request.makeReply(HTTP.INTERNAL_SERVER_ERROR);
error.setContent(
"The target RelocateResource doesn't define the"
+ " relocation location. The server is "
+ " misconfigured.");
throw new HTTPException(error);
} else {
Reply reply = null;
URL loc = null;
if (checkUse302()) {
reply = request.makeReply(HTTP.FOUND);
} else {
if (checkPermanentRedirect()) {
reply = request.makeReply(HTTP.MOVED_PERMANENTLY);
} else {
reply = request.makeReply(HTTP.TEMPORARY_REDIRECT);
}
}
try {
httpd server = (httpd) getServer();
String host = request.getHost();
if (host == null) loc = new URL(server.getURL(), location);
else {
int ic = host.indexOf(':');
if (ic < 0) {
loc =
new URL(
new URL(server.getURL().getProtocol(), host, server.getURL().getFile()),
location);
} else {
loc =
new URL(
new URL(
server.getURL().getProtocol(),
host.substring(0, ic),
Integer.parseInt(host.substring(ic + 1)),
server.getURL().getFile()),
location);
}
}
if (checkHandlePathInfo()) {
String pathinfo = (String) request.getState(PATH_INFO);
// Given the way pathinfo is computed, it starts with a /
try {
if (pathinfo != null) {
loc = new URL(loc.toExternalForm() + pathinfo);
}
} catch (MalformedURLException ex) {
resource
.getServer()
.errlog(
resource,
"This resource handle Pathinfo "
+ "but the request has an invalid "
+ "PATH_INFO state.");
}
if (request.hasQueryString()) {
try {
loc = new URL(loc.toExternalForm() + "?" + request.getQueryString());
} catch (MalformedURLException ex) {
resource
.getServer()
.errlog(
resource,
"This resource handle "
+ "Pathinfo but the "
+ "request has an "
+ "invalid "
+ "PATH_INFO state.");
}
}
}
} catch (Exception ex) {
ex.printStackTrace();
}
reply.setLocation(loc);
HtmlGenerator g = new HtmlGenerator("Moved");
g.append(
"<P>This resources has moved, click on the link if your"
+ " browser doesn't support automatic redirection<BR>"
+ "<A HREF=\""
+ loc.toExternalForm()
+ "\">"
+ loc.toExternalForm()
+ "</A>");
reply.setStream(g);
return reply;
}
}
