/**
* Logs a message to the error log.
*
* @param log the error log to write the message.
* @param message the message to write
* @param e the exception to write
*/
public void log(
String message,
Throwable e,
HttpServletRequest request,
HttpServletResponse response,
ServletContext application)
throws IOException {
WriteStream logStream = getLogStream();
if (logStream == null) return;
Throwable t = e;
while (t != null) {
e = t;
if (e instanceof ServletException) t = ((ServletException) e).getRootCause();
else if (e instanceof ExceptionWrapper) t = ((ExceptionWrapper) e).getRootCause();
else t = null;
}
CharBuffer cb = CharBuffer.allocate();
QDate.formatLocal(cb, CurrentTime.getCurrentTime(), "[%Y/%m/%d %H:%M:%S] ");
cb.append(message);
logStream.log(cb.close());
if (e != null && !(e instanceof CompileException)) logStream.log(e);
logStream.flush();
}
private void checkMetaEncoding(Element elt) {
String http = elt.getAttribute("http-equiv");
String content = elt.getAttribute("content");
if (http.equals("") || content.equals("") || !http.equalsIgnoreCase("content-type")) return;
CharCursor cursor = new StringCharCursor(content);
charsetScanner.scan(cursor);
charsetScanner.skip(cursor);
CharBuffer buf = CharBuffer.allocate();
while (cursor.current() != cursor.DONE) {
buf.clear();
charsetScanner.scan(cursor, buf);
if (buf.toString().equalsIgnoreCase("charset")) {
charsetScanner.skip(cursor);
buf.clear();
charsetScanner.scan(cursor, buf);
if (buf.length() > 0) {
try {
is.setEncoding(buf.close());
} catch (IOException e) {
}
return;
}
}
}
}
/** Escapes the XML string. */
public static String escapeXml(String string) {
if (string == null) return "";
CharBuffer cb = CharBuffer.allocate();
for (int i = 0; i < string.length(); i++) {
int ch = string.charAt(i);
switch (ch) {
case '<':
cb.append("<");
break;
case '>':
cb.append(">");
break;
case '&':
cb.append("&");
break;
case '\'':
cb.append("'");
break;
case '"':
cb.append(""");
break;
default:
cb.append((char) ch);
break;
}
}
return cb.close();
}
private String digestToBase64(byte[] digest, int len) {
CharBuffer cb = CharBuffer.allocate();
Base64.encode(cb, digest, 0, len);
return cb.close();
}
/** Initialize the server. */
private void serverInit(CauchoRequest req) throws ServletException {
if (_urlPrefix != null) return;
WebApp app = (WebApp) getServletContext();
// calculate the URL prefix
_servletId = req.getServletPath();
CharBuffer cb = CharBuffer.allocate();
if (!"default".equals(app.getAdmin().getHost().getName())
&& !"".equals(app.getAdmin().getHost().getName())) {
String hostName = app.getAdmin().getHost().getURL();
cb.append(hostName);
cb.append(app.getContextPath());
cb.append(_servletId);
} else {
cb.append(req.getScheme());
cb.append("://");
cb.append(req.getServerName());
cb.append(":");
cb.append(req.getServerPort());
cb.append(app.getContextPath());
cb.append(_servletId);
}
_urlPrefix = cb.close();
initProtocol();
}
/**
* The location of a javadoc generated api, can be a url, required.
*
* <p>Examples:
*
* <ul>
* <li>http://java.sun.com/j2se/1.4.2/docs/api
* <li>file://usr/local/java/axis_1-1/docs/apiDocs
* <li>resin/
* </ul>
*/
public void setLocation(String location) {
if (!location.endsWith("/")) {
CharBuffer cb = CharBuffer.allocate();
cb.append(location);
cb.append('/');
_location = cb.close();
} else _location = location;
}
/**
* A location href, relative to the web-app root, appropriately rewritten to handle remote
* locations and locations that are local absolute.
*/
String getLocationHref(String file) {
CharBuffer cb = CharBuffer.allocate();
if (_isLocalAbsolute) {
cb.append(_id);
cb.append('/');
} else {
cb.append(_location);
}
cb.append(file);
return cb.close();
}
/** Returns a printable version. */
public String toString() {
CharBuffer cb = new CharBuffer();
cb.append("AttributesImpl[");
for (int i = 0; i < _size; i++) {
cb.append(" ");
cb.append(_names[i]);
cb.append("=\"");
cb.append(_values[i]);
cb.append("\"");
}
cb.append("]");
return cb.close();
}
/** Joins the array. */
public static String join(String[] array, String sep) {
if (array == null) return "";
if (sep == null) sep = "";
CharBuffer result = CharBuffer.allocate();
for (int i = 0; i < array.length; i++) {
if (i != 0) result.append(sep);
result.append(array[i]);
}
return result.close();
}
/**
* Logs an error.
*
* @param message the error message
* @param request the servlet request
* @param response the servlet response
* @param application the servlet context
*/
public void log(
String message,
HttpServletRequest request,
HttpServletResponse response,
ServletContext application)
throws IOException {
WriteStream logStream = getLogStream();
if (logStream == null) return;
CharBuffer cb = CharBuffer.allocate();
QDate.formatLocal(cb, CurrentTime.getCurrentTime(), "[%Y/%m/%d %H:%M:%S] ");
cb.append(message);
logStream.log(cb.close());
logStream.flush();
}
/** Replaces substrings. */
public static String replace(String input, String before, String after) {
if (input == null) return "";
if (before == null || before.equals("")) return input;
if (after == null) after = "";
CharBuffer result = CharBuffer.allocate();
int head = 0;
int next;
while ((next = input.indexOf(before, head)) >= 0) {
result.append(input.substring(head, next));
result.append(after);
head = next + before.length();
}
result.append(input.substring(head));
return result.close();
}
/**
* Walk down the path starting from the portion immediately following the scheme. i.e. schemeWalk
* is responsible for parsing the host and port from the URL.
*
* @param userPath the user's passed in path
* @param attributes the attributes for the new path
* @param uri the normalized full uri
* @param offset offset into the uri to start processing, i.e. after the scheme.
* @return the looked-up path.
*/
@Override
public Path schemeWalk(String userPath, Map<String, Object> attributes, String uri, int offset) {
int length = uri.length();
if (length < 2 + offset || uri.charAt(offset) != '/' || uri.charAt(offset + 1) != '/')
throw new RuntimeException(L.l("bad scheme in `{0}'", uri));
CharBuffer buf = CharBuffer.allocate();
int i = 2 + offset;
int ch = 0;
boolean isInBrace = false;
for (;
i < length && ((ch = uri.charAt(i)) != ':' || isInBrace) && ch != '/' && ch != '?';
i++) {
buf.append((char) ch);
if (ch == '[') isInBrace = true;
else if (ch == ']') isInBrace = false;
}
String host = buf.close();
if (host.length() == 0) throw new RuntimeException(L.l("bad host in `{0}'", uri));
int port = 0;
if (ch == ':') {
for (i++; i < length && (ch = uri.charAt(i)) >= '0' && ch <= '9'; i++) {
port = 10 * port + uri.charAt(i) - '0';
}
}
if (port == 0) port = 80;
HttpPath root = create(host, port);
return root.fsWalk(userPath, attributes, uri.substring(i));
}