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package org.jvnet.glassfish.comms.clb.core.sip;
import com.ericsson.ssa.config.Constants;
import javax.servlet.http.Cookie;
import org.apache.catalina.Session;
import org.apache.catalina.core.ResponseProcessor;
import org.apache.catalina.core.StandardContext;
import org.apache.coyote.tomcat5.CoyoteRequest;
import org.apache.coyote.tomcat5.CoyoteResponse;
/**
* Implementation of ResponseProcessor interface responsible for examining
* an HTTP request for proxy-beroute and proxy-bekey headers, and adding their
* values to the response (as cookies) or rewritten URL (if cookies have been
* disabled).
*
* @author jluehe
*/
public class CLBHttpResponseProcessor implements ResponseProcessor {
private static final ResponseProcessor SINGLETON =
new CLBHttpResponseProcessor();
private CLBHttpResponseProcessor() {}
static ResponseProcessor getInstance() {
return SINGLETON;
}
/**
* Checks the request associated with the given response for
* proxy-bekey and proxy-beroute headers and adds their values as
* cookies to the given response.
*
* @param response The response to which to add the cookie
*/
public void addCookies(StandardContext context, CoyoteResponse response) {
if (!context.getCookies()) {
// cookies have been disabled
return;
}
CoyoteRequest request = (CoyoteRequest) response.getRequest();
if (request == null) {
return;
}
Session sess = request.getSessionInternal(false);
if (sess == null) {
// No active session
return;
}
Cookie cookie = null;
String value = request.getHeader(Constants.PROXY_BEROUTE_HEADER);
if (value != null) {
cookie = new Cookie(Constants.BEROUTE, value);
} else {
value = request.getHeader(Constants.PROXY_BEKEY_HEADER);
if (value != null) {
cookie = new Cookie(Constants.BEKEY, value);
}
}
if (cookie != null) {
request.configureSessionCookie(cookie);
response.addCookie(cookie);
}
}
/**
* Checks the given request for proxy-bekey and proxy-beroute headers
* and adds their values to the given string buffer.
*
* @param request The request to examine
* @param sb The StringBuffer to hold the encoded result
*/
public void encodeRequest(CoyoteRequest request, StringBuffer sb) {
String value = request.getHeader(Constants.PROXY_BEROUTE_HEADER);
if (value != null) {
sb.append(Constants.BEROUTE_URI_PARAMETER);
sb.append(value);
} else {
value = request.getHeader(Constants.PROXY_BEKEY_HEADER);
if (value != null) {
sb.append(Constants.BEKEY_URI_PARAMETER);
sb.append(value);
}
}
}
}