/**
* Constructor.
*
* @param rq request
* @param rs response
* @throws IOException I/O exception
*/
public HTTPContext(final HttpServletRequest rq, final HttpServletResponse rs) throws IOException {
req = rq;
res = rs;
final String m = rq.getMethod();
method = HTTPMethod.get(m);
final StringBuilder uri = new StringBuilder(req.getRequestURL());
final String qs = req.getQueryString();
if (qs != null) uri.append('?').append(qs);
log(false, m, uri);
// set UTF8 as default encoding (can be overwritten)
res.setCharacterEncoding(UTF8);
segments = toSegments(req.getPathInfo());
path = join(0);
user = System.getProperty(DBUSER);
pass = System.getProperty(DBPASS);
// set session-specific credentials
final String auth = req.getHeader(AUTHORIZATION);
if (auth != null) {
final String[] values = auth.split(" ");
if (values[0].equals(BASIC)) {
final String[] cred = Base64.decode(values[1]).split(":", 2);
if (cred.length != 2) throw new LoginException(NOPASSWD);
user = cred[0];
pass = cred[1];
} else {
throw new LoginException(WHICHAUTH, values[0]);
}
}
}
/**
* Writes a log message.
*
* @param str strings to be written
* @param time add performance info
*/
public void log(final boolean time, final Object... str) {
final Object[] obj = new Object[str.length + (time ? 2 : 1)];
obj[0] = remote();
System.arraycopy(str, 0, obj, 1, str.length);
if (time) obj[obj.length - 1] = perf.toString();
context.log.write(obj);
}
/**
* Initializes the servlet context, based on the servlet context. Parses all context parameters
* and passes them on to the database context.
*
* @param sc servlet context
* @throws IOException I/O exception
*/
static synchronized void init(final ServletContext sc) throws IOException {
// skip process if context has already been initialized
if (context != null) return;
// set servlet path as home directory
final String path = sc.getRealPath("/");
System.setProperty(Prop.PATH, path);
// parse all context parameters
final HashMap<String, String> map = new HashMap<String, String>();
// store default web root
map.put(MainProp.HTTPPATH[0].toString(), path);
final Enumeration<?> en = sc.getInitParameterNames();
while (en.hasMoreElements()) {
final String key = en.nextElement().toString();
if (!key.startsWith(Prop.DBPREFIX)) continue;
// only consider parameters that start with "org.basex."
String val = sc.getInitParameter(key);
if (eq(key, DBUSER, DBPASS, DBMODE, DBVERBOSE)) {
// store servlet-specific parameters as system properties
System.setProperty(key, val);
} else {
// prefix relative paths with absolute servlet path
if (key.endsWith("path") && !new File(val).isAbsolute()) {
val = path + File.separator + val;
}
// store remaining parameters (without project prefix) in map
map.put(key.substring(Prop.DBPREFIX.length()).toUpperCase(Locale.ENGLISH), val);
}
}
context = new Context(map);
if (SERVER.equals(System.getProperty(DBMODE))) {
new BaseXServer(context);
} else {
context.log = new Log(context);
}
}
