/** Recycle the output buffer. */
public void recycle() {
state = INITIAL_STATE;
// If usage of mark made the buffer too big, reallocate it
if (cb.getChars().length > size) {
cb = new CharChunk(size);
cb.setLimit(size);
cb.setOptimizedWrite(false);
cb.setCharInputChannel(this);
cb.setCharOutputChannel(this);
} else {
cb.recycle();
}
markPos = -1;
bb.recycle();
closed = false;
if (conv != null) {
conv.recycle();
}
gotEnc = false;
enc = null;
}
protected Charset getDigestCharset() throws UnsupportedEncodingException {
if (digestEncoding == null) {
return Charset.defaultCharset();
} else {
return B2CConverter.getCharset(getDigestEncoding());
}
}
/** Character conversion of the URI. */
protected void convertURI(MessageBytes uri, Request request) throws Exception {
ByteChunk bc = uri.getByteChunk();
int length = bc.getLength();
CharChunk cc = uri.getCharChunk();
cc.allocate(length, -1);
String enc = connector.getURIEncoding();
if (enc != null) {
B2CConverter conv = request.getURIConverter();
try {
if (conv == null) {
conv = new B2CConverter(enc, true);
request.setURIConverter(conv);
} else {
conv.recycle();
}
} catch (IOException e) {
log.error("Invalid URI encoding; using HTTP default");
connector.setURIEncoding(null);
}
if (conv != null) {
try {
conv.convert(bc, cc, true);
uri.setChars(cc.getBuffer(), cc.getStart(), cc.getLength());
return;
} catch (IOException ioe) {
// Should never happen as B2CConverter should replace
// problematic characters
request.getResponse().sendError(HttpServletResponse.SC_BAD_REQUEST);
}
}
}
// Default encoding: fast conversion for ISO-8859-1
byte[] bbuf = bc.getBuffer();
char[] cbuf = cc.getBuffer();
int start = bc.getStart();
for (int i = 0; i < length; i++) {
cbuf[i] = (char) (bbuf[i + start] & 0xff);
}
uri.setChars(cbuf, 0, length);
}
private Charset getCharset(String encoding) {
if (encoding == null) {
return DEFAULT_CHARSET;
}
try {
return B2CConverter.getCharset(encoding);
} catch (UnsupportedEncodingException e) {
return DEFAULT_CHARSET;
}
}
/*
* Convert the textual message to bytes and then output it.
*/
private void doWriteText(CharBuffer buffer, boolean finalFragment) throws IOException {
CharsetEncoder encoder = B2CConverter.getUtf8().newEncoder();
do {
CoderResult cr = encoder.encode(buffer, bb, true);
if (cr.isError()) {
cr.throwException();
}
bb.flip();
if (buffer.hasRemaining()) {
doWriteBytes(bb, false);
} else {
doWriteBytes(bb, finalFragment);
}
} while (buffer.hasRemaining());
// Reset - bb will be cleared in doWriteBytes()
cb.clear();
}
@Override
public int realReadChars(char cbuf[], int off, int len) throws IOException {
if (!gotEnc) {
setConverter();
}
boolean eof = false;
if (bb.getLength() <= 0) {
int nRead = realReadBytes(bb.getBytes(), 0, bb.getBytes().length);
if (nRead < 0) {
eof = true;
}
}
if (markPos == -1) {
cb.setOffset(0);
cb.setEnd(0);
} else {
// Make sure there's enough space in the worst case
cb.makeSpace(bb.getLength());
if ((cb.getBuffer().length - cb.getEnd()) == 0) {
// We went over the limit
cb.setOffset(0);
cb.setEnd(0);
markPos = -1;
}
}
state = CHAR_STATE;
conv.convert(bb, cb, eof);
if (cb.getLength() == 0 && eof) {
return -1;
} else {
return cb.getLength();
}
}
/**
* Extract the path parameters from the request. This assumes parameters are of the form
* /path;name=value;name2=value2/ etc. Currently only really interested in the session ID that
* will be in this form. Other parameters can safely be ignored.
*
* @param req
* @param request
*/
protected void parsePathParameters(org.apache.coyote.Request req, Request request) {
// Process in bytes (this is default format so this is normally a NO-OP
req.decodedURI().toBytes();
ByteChunk uriBC = req.decodedURI().getByteChunk();
int semicolon = uriBC.indexOf(';', 0);
// What encoding to use? Some platforms, eg z/os, use a default
// encoding that doesn't give the expected result so be explicit
String enc = connector.getURIEncoding();
if (enc == null) {
enc = "ISO-8859-1";
}
Charset charset = null;
try {
charset = B2CConverter.getCharset(enc);
} catch (UnsupportedEncodingException e1) {
log.warn(sm.getString("coyoteAdapter.parsePathParam", enc));
}
if (log.isDebugEnabled()) {
log.debug(sm.getString("coyoteAdapter.debug", "uriBC", uriBC.toString()));
log.debug(sm.getString("coyoteAdapter.debug", "semicolon", String.valueOf(semicolon)));
log.debug(sm.getString("coyoteAdapter.debug", "enc", enc));
}
while (semicolon > -1) {
// Parse path param, and extract it from the decoded request URI
int start = uriBC.getStart();
int end = uriBC.getEnd();
int pathParamStart = semicolon + 1;
int pathParamEnd =
ByteChunk.findBytes(
uriBC.getBuffer(), start + pathParamStart, end, new byte[] {';', '/'});
String pv = null;
if (pathParamEnd >= 0) {
if (charset != null) {
pv =
new String(
uriBC.getBuffer(),
start + pathParamStart,
pathParamEnd - pathParamStart,
charset);
}
// Extract path param from decoded request URI
byte[] buf = uriBC.getBuffer();
for (int i = 0; i < end - start - pathParamEnd; i++) {
buf[start + semicolon + i] = buf[start + i + pathParamEnd];
}
uriBC.setBytes(buf, start, end - start - pathParamEnd + semicolon);
} else {
if (charset != null) {
pv =
new String(
uriBC.getBuffer(),
start + pathParamStart,
(end - start) - pathParamStart,
charset);
}
uriBC.setEnd(start + semicolon);
}
if (log.isDebugEnabled()) {
log.debug(
sm.getString("coyoteAdapter.debug", "pathParamStart", String.valueOf(pathParamStart)));
log.debug(
sm.getString("coyoteAdapter.debug", "pathParamEnd", String.valueOf(pathParamEnd)));
log.debug(sm.getString("coyoteAdapter.debug", "pv", pv));
}
if (pv != null) {
int equals = pv.indexOf('=');
if (equals > -1) {
String name = pv.substring(0, equals);
String value = pv.substring(equals + 1);
request.addPathParameter(name, value);
if (log.isDebugEnabled()) {
log.debug(sm.getString("coyoteAdapter.debug", "equals", String.valueOf(equals)));
log.debug(sm.getString("coyoteAdapter.debug", "name", name));
log.debug(sm.getString("coyoteAdapter.debug", "value", value));
}
}
}
semicolon = uriBC.indexOf(';', semicolon);
}
}
