/** 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;
}
@Override
public void reset() throws IOException {
if (closed) {
throw new IOException(sm.getString("inputBuffer.streamClosed"));
}
if (state == CHAR_STATE) {
if (markPos < 0) {
cb.recycle();
markPos = -1;
throw new IOException();
} else {
cb.setOffset(markPos);
}
} else {
bb.recycle();
}
}
/**
* Convert (if necessary) and return the absolute URL that represents the resource referenced by
* this possibly relative URL. If this URL is already absolute, return it unchanged.
*
* @param location URL to be (possibly) converted and then returned
* @exception IllegalArgumentException if a MalformedURLException is thrown when converting the
* relative URL to an absolute one
*/
protected String toAbsolute(String location) {
if (location == null) {
return (location);
}
boolean leadingSlash = location.startsWith("/");
if (location.startsWith("//")) {
// Scheme relative
redirectURLCC.recycle();
// Add the scheme
String scheme = request.getScheme();
try {
redirectURLCC.append(scheme, 0, scheme.length());
redirectURLCC.append(':');
redirectURLCC.append(location, 0, location.length());
return redirectURLCC.toString();
} catch (IOException e) {
IllegalArgumentException iae = new IllegalArgumentException(location);
iae.initCause(e);
throw iae;
}
} else if (leadingSlash || !hasScheme(location)) {
redirectURLCC.recycle();
String scheme = request.getScheme();
String name = request.getServerName();
int port = request.getServerPort();
try {
redirectURLCC.append(scheme, 0, scheme.length());
redirectURLCC.append("://", 0, 3);
redirectURLCC.append(name, 0, name.length());
if ((scheme.equals("http") && port != 80) || (scheme.equals("https") && port != 443)) {
redirectURLCC.append(':');
String portS = port + "";
redirectURLCC.append(portS, 0, portS.length());
}
if (!leadingSlash) {
String relativePath = request.getDecodedRequestURI();
int pos = relativePath.lastIndexOf('/');
CharChunk encodedURI = null;
final String frelativePath = relativePath;
final int fend = pos;
if (SecurityUtil.isPackageProtectionEnabled()) {
try {
encodedURI =
AccessController.doPrivileged(
new PrivilegedExceptionAction<CharChunk>() {
@Override
public CharChunk run() throws IOException {
return urlEncoder.encodeURL(frelativePath, 0, fend);
}
});
} catch (PrivilegedActionException pae) {
IllegalArgumentException iae = new IllegalArgumentException(location);
iae.initCause(pae.getException());
throw iae;
}
} else {
encodedURI = urlEncoder.encodeURL(relativePath, 0, pos);
}
redirectURLCC.append(encodedURI);
encodedURI.recycle();
redirectURLCC.append('/');
}
redirectURLCC.append(location, 0, location.length());
normalize(redirectURLCC);
} catch (IOException e) {
IllegalArgumentException iae = new IllegalArgumentException(location);
iae.initCause(e);
throw iae;
}
return redirectURLCC.toString();
} else {
return (location);
}
}