/**
* construct a HTTP-Redirect-Response
*
* @param dest the destination to redirect to
*/
public void setRedirectTo(String dest, String CookieDomain) {
StringBuffer cntnt =
new StringBuffer(
"<html><head><title>redirection</title><head><body>Redirected to <a href=\"");
cntnt.append(dest);
cntnt.append("\">");
cntnt.append(dest);
cntnt.append("</a>");
cntnt.append("</body></html>");
int len = cntnt.length();
StringBuffer sb = new StringBuffer(isHTTP11 ? "HTTP/1.1" : "HTTP/1.0");
sb.append(REDIRECT_HDR);
sb.append(Server.srv.DEFAULT_CHARSET);
sb.append("\r\nLocation: ");
sb.append(dest);
sb.append("\r\nContent-Length: ");
sb.append(len);
sb = appendCookie(sb, CookieDomain);
sb.append("\r\n\r\n");
if ("iso-8859-1".equals(Server.srv.DEFAULT_CHARSET)) {
sb.append(cntnt);
sb.trimToSize();
prepareForSending(CharBuffer.wrap(sb.toString()));
} else {
CharBuffer hdrChar = CharBuffer.wrap(sb.toString());
cntnt.trimToSize();
prepareForSending(hdrChar, CharBuffer.wrap(cntnt));
}
isRedirect = true;
}
public void setContent(byte[] cntnt) throws Exception {
StringBuffer sb = new StringBuffer(isHTTP11 ? "HTTP/1.1" : "HTTP/1.0");
sb.append(OK_HDR);
sb.append("Content-Type: ");
sb.append(contentType);
if (!isHTTP11 || !keepAlive || isMessages) {
sb.append("\r\nConnection: close\r\nProxy-Connection: close");
} else {
sb.append("\r\nConnection: Keep-Alive\r\nProxy-Connection: Keep-Alive");
sb.append("\r\nContent-Length: ");
sb.append(cntnt.length);
}
sb.append("\r\n\r\n");
sb.trimToSize();
CharBuffer cb = CharBuffer.wrap(sb.toString());
ByteBuffer tempBuffer;
try {
tempBuffer = Charset.forName("iso-8859-1").newEncoder().encode(cb);
} catch (CharacterCodingException cce) {
Server.debug(this, "prepareForSending: ", cce, Server.MSG_ERROR, Server.LVL_MINOR);
try {
tempBuffer = ByteBuffer.wrap(cb.toString().getBytes(Server.srv.DEFAULT_CHARSET));
} catch (Exception e) {
Server.debug(this, "prepareForSending: ", e, Server.MSG_ERROR, Server.LVL_MAJOR);
throw e;
}
}
this.buf = ByteBuffer.allocate(tempBuffer.capacity() + cntnt.length);
this.buf.put(tempBuffer.array());
this.buf.put(cntnt);
this.buf.flip();
}
/** renders the template and wraps it to a full httpresponse */
public void renderTemplate(IRequest req) {
if (tpl == null) {
if (this.ts == null) ts = Server.srv.templatemanager.getTemplateSet("default");
tpl = ts.getTemplate(tName);
if (tpl == null) tpl = ts.getTemplate("not_found");
}
if (tpl.isRedirect()) {
this.setRedirectTo(tpl.getDestination(), req.getCookieDomain());
return;
}
if (!nocache
&& !nostore
&& !tpl.hasToBeRendered(
req.getProperty("if-none-match"),
HttpDateParser.parseDate(req.getProperty("if-modified-since")))) {
StringBuffer sb = new StringBuffer(isHTTP11 ? "HTTP/1.1" : "HTTP/1.0");
sb.append(IResponseHeaders.NOT_MODIFIED);
sb.trimToSize();
prepareForSending(CharBuffer.wrap(sb.toString()));
return;
}
String cntnt = tpl.render(req);
if (cntnt == null || cntnt.length() < 1) {
Server.log(
this,
"renderTemplate: rendered template has no content",
Server.MSG_STATE,
Server.LVL_MAJOR);
resCode = NOCONTENT_CODE;
StringBuffer sb = new StringBuffer();
sb.append("<html><body><b>The requested page could not be displayed!<br><br>Reason:</b> ");
if (tpl == null) {
sb.append("No template given");
} else {
sb.append("Template '");
sb.append(tpl.getName());
sb.append("' has not been found on this server.");
}
sb.append("</body></html>");
wrap(sb.toString(), req.getCookieDomain());
return;
}
nocache = tpl.notCacheable();
// if (nocache)
// Server.log (this, "not cacheable", Server.MSG_STATE, Server.LVL_VERY_VERBOSE);
wrap(cntnt, tpl.getEtag(), req.getCookieDomain());
}
public void wrap(String cntnt, String eTag, String CookieDomain) {
StringBuffer sb = new StringBuffer(isHTTP11 ? "HTTP/1.1" : "HTTP/1.0");
switch (resCode) {
case OK_CODE:
sb.append(OK_HDR);
break;
case REDIRECT_CODE:
setRedirectTo(cntnt, CookieDomain);
break;
case NOCONTENT_CODE:
sb.append(NOCONTENT_HDR);
prepareForSending(CharBuffer.wrap(sb.toString()));
return;
case AUTHENTICATE_CODE:
sb.append(AUTHENTICATE_HDR);
contentType = "text/html";
break;
case NOTFOUND_CODE:
sb.append(NOTFOUND_HDR);
contentType = "text/html";
break;
}
sb.append("Content-Type: ");
sb.append(contentType);
sb.append("; charset=");
sb.append(Server.srv.DEFAULT_CHARSET);
if (nocache) {
sb.append("\r\nPragma: no-cache\r\nCache-Control: no-cache");
sb.append("\r\nExpires: Thu, 01 Dec 1994 16:00:00 GMT");
}
if (nostore) {
sb.append("\r\nCache-Control: no-store");
}
if (eTag != null) {
sb.append("\r\nETag: \"").append(eTag).append("\"");
// Server.log (this, "sending eTag: " + eTag, Server.MSG_STATE, Server.LVL_MAJOR);
}
sb = appendCookie(sb, CookieDomain);
if (!isHTTP11 || !keepAlive || isMessages) {
sb.append("\r\nConnection: close\r\nProxy-Connection: close");
} else {
sb.append("\r\nConnection: Keep-Alive\r\nProxy-Connection: Keep-Alive");
if (!chunkedHdr) {
sb.append("\r\nContent-Length: ");
sb.append(cntnt.length());
}
}
if (chunkedHdr) {
sb.append("\r\nTransfer-Encoding: chunked\r\n\r\n");
sb.append(Integer.toHexString(cntnt.length()));
sb.append("\r\n");
sb.append(cntnt);
sb.append("\r\n");
sb.trimToSize();
prepareForSending(CharBuffer.wrap(sb.toString()));
return;
}
sb.append("\r\n\r\n");
if ("iso-8859-1".equals(Server.srv.DEFAULT_CHARSET)) {
sb.append(cntnt);
sb.trimToSize();
prepareForSending(CharBuffer.wrap(sb.toString()));
} else {
sb.trimToSize();
CharBuffer hdrChar = CharBuffer.wrap(sb.toString());
prepareForSending(hdrChar, CharBuffer.wrap(cntnt));
}
}
public boolean canUseTemplateset(TemplateSet t) {
if (Server.srv.DEFAULT_TEMPLATESET == null || t == null) return true;
StringBuffer defaultTs = new StringBuffer(Server.srv.DEFAULT_TEMPLATESET);
if (defaultTs != null) {
StringTokenizer st = new StringTokenizer(defaultTs.toString(), ",");
while (st.hasMoreTokens()) {
StringBuilder templateName = new StringBuilder(st.nextToken());
if (templateName.toString().equals(t.getName())) return true;
}
}
if (Server.DEBUG) {
StringBuffer scn = new StringBuffer();
scn.append(" can not use Template ");
scn.append(t.getName());
Server.log(this, scn.toString(), Server.MSG_TRAFFIC, Server.LVL_MINOR);
}
return false;
}