public void reset() throws IllegalStateException {
// Reset the headers only if this is the main request,
// not for included
contentType = null;
;
locale = DEFAULT_LOCALE;
contentLanguage = null;
characterEncoding = Constants.DEFAULT_CHARACTER_ENCODING;
// START SJSAS 6316254
quotedCharsetValue = characterEncoding;
// END SJSAS 6316254
contentLength = -1;
charsetSet = false;
status = 200;
message = null;
headers.clear();
// Force the PrintWriter to flush its data to the output
// stream before resetting the output stream
//
// Reset the stream
if (commited) {
// String msg = sm.getString("servletOutputStreamImpl.reset.ise");
throw new IllegalStateException();
}
action(ActionCode.ACTION_RESET, this);
}
public boolean checkRegisterForWrite() {
AtomicBoolean ready = new AtomicBoolean(false);
synchronized (nonBlockingStateLock) {
if (!registeredForWrite) {
action(ActionCode.NB_WRITE_INTEREST, ready);
registeredForWrite = !ready.get();
}
}
return ready.get();
}
public void reset() throws IllegalStateException {
if (commited) {
throw new IllegalStateException();
}
recycle();
// Reset the stream
action(ActionCode.RESET, this);
}
public void setWriteListener(WriteListener listener) {
if (listener == null) {
throw new NullPointerException(sm.getString("response.nullWriteListener"));
}
if (getWriteListener() != null) {
throw new IllegalStateException(sm.getString("response.writeListenerSet"));
}
// Note: This class is not used for HTTP upgrade so only need to test
// for async
AtomicBoolean result = new AtomicBoolean(false);
action(ActionCode.ASYNC_IS_ASYNC, result);
if (!result.get()) {
throw new IllegalStateException(sm.getString("response.notAsync"));
}
this.listener = listener;
// The container is responsible for the first call to
// listener.onWritePossible(). If isReady() returns true, the container
// needs to call listener.onWritePossible() from a new thread. If
// isReady() returns false, the socket will be registered for write and
// the container will call listener.onWritePossible() once data can be
// written.
if (isReady()) {
synchronized (nonBlockingStateLock) {
// Ensure we don't get multiple write registrations if
// ServletOutputStream.isReady() returns false during a call to
// onDataAvailable()
registeredForWrite = true;
// Need to set the fireListener flag otherwise when the
// container tries to trigger onWritePossible, nothing will
// happen
fireListener = true;
}
action(ActionCode.DISPATCH_WRITE, null);
if (!ContainerThreadMarker.isContainerThread()) {
// Not on a container thread so need to execute the dispatch
action(ActionCode.DISPATCH_EXECUTE, null);
}
}
}
/**
* Send an acknowledgement of a request.
*
* @exception IOException if an input/output error occurs
*/
public void sendAcknowledgement() throws IOException {
if (isCommitted()) {
return;
}
// Ignore any call from an included servlet
if (included) {
return;
}
coyoteResponse.action(ActionCode.ACK, null);
}
/**
* Flush bytes or chars contained in the buffer.
*
* @throws IOException An underlying IOException occurred
*/
protected void doFlush(boolean realFlush) throws IOException {
if (suspended) return;
doFlush = true;
if (initial) {
coyoteResponse.sendHeaders();
initial = false;
}
if (bb.getLength() > 0) {
bb.flushBuffer();
}
doFlush = false;
if (realFlush) {
coyoteResponse.action(ActionCode.CLIENT_FLUSH, coyoteResponse);
// If some exception occurred earlier, or if some IOE occurred
// here, notify the servlet with an IOE
if (coyoteResponse.isExceptionPresent()) {
throw new ClientAbortException(coyoteResponse.getErrorException());
}
}
}
/** Parse additional request parameters. */
protected boolean postParseRequest(
org.apache.coyote.Request req,
Request request,
org.apache.coyote.Response res,
Response response)
throws Exception {
// XXX the processor may have set a correct scheme and port prior to this point,
// in ajp13 protocols dont make sense to get the port from the connector...
// otherwise, use connector configuration
if (!req.scheme().isNull()) {
// use processor specified scheme to determine secure state
request.setSecure(req.scheme().equals("https"));
} else {
// use connector scheme and secure configuration, (defaults to
// "http" and false respectively)
req.scheme().setString(connector.getScheme());
request.setSecure(connector.getSecure());
}
// FIXME: the code below doesnt belongs to here,
// this is only have sense
// in Http11, not in ajp13..
// At this point the Host header has been processed.
// Override if the proxyPort/proxyHost are set
String proxyName = connector.getProxyName();
int proxyPort = connector.getProxyPort();
if (proxyPort != 0) {
req.setServerPort(proxyPort);
}
if (proxyName != null) {
req.serverName().setString(proxyName);
}
// Copy the raw URI to the decodedURI
MessageBytes decodedURI = req.decodedURI();
decodedURI.duplicate(req.requestURI());
// Parse the path parameters. This will:
// - strip out the path parameters
// - convert the decodedURI to bytes
parsePathParameters(req, request);
// URI decoding
// %xx decoding of the URL
try {
req.getURLDecoder().convert(decodedURI, false);
} catch (IOException ioe) {
res.setStatus(400);
res.setMessage("Invalid URI: " + ioe.getMessage());
connector.getService().getContainer().logAccess(request, response, 0, true);
return false;
}
// Normalization
if (!normalize(req.decodedURI())) {
res.setStatus(400);
res.setMessage("Invalid URI");
connector.getService().getContainer().logAccess(request, response, 0, true);
return false;
}
// Character decoding
convertURI(decodedURI, request);
// Check that the URI is still normalized
if (!checkNormalize(req.decodedURI())) {
res.setStatus(400);
res.setMessage("Invalid URI character encoding");
connector.getService().getContainer().logAccess(request, response, 0, true);
return false;
}
// Request mapping.
MessageBytes serverName;
if (connector.getUseIPVHosts()) {
serverName = req.localName();
if (serverName.isNull()) {
// well, they did ask for it
res.action(ActionCode.REQ_LOCAL_NAME_ATTRIBUTE, null);
}
} else {
serverName = req.serverName();
}
if (request.isAsyncStarted()) {
// TODO SERVLET3 - async
// reset mapping data, should prolly be done elsewhere
request.getMappingData().recycle();
}
// Version for the second mapping loop and
// Context that we expect to get for that version
String version = null;
Context versionContext = null;
boolean mapRequired = true;
while (mapRequired) {
// This will map the the latest version by default
connector.getMapper().map(serverName, decodedURI, version, request.getMappingData());
request.setContext((Context) request.getMappingData().context);
request.setWrapper((Wrapper) request.getMappingData().wrapper);
// If there is no context at this point, it is likely no ROOT context
// has been deployed
if (request.getContext() == null) {
res.setStatus(404);
res.setMessage("Not found");
// No context, so use host
Host host = request.getHost();
// Make sure there is a host (might not be during shutdown)
if (host != null) {
host.logAccess(request, response, 0, true);
}
return false;
}
// Now we have the context, we can parse the session ID from the URL
// (if any). Need to do this before we redirect in case we need to
// include the session id in the redirect
String sessionID;
if (request
.getServletContext()
.getEffectiveSessionTrackingModes()
.contains(SessionTrackingMode.URL)) {
// Get the session ID if there was one
sessionID =
request.getPathParameter(SessionConfig.getSessionUriParamName(request.getContext()));
if (sessionID != null) {
request.setRequestedSessionId(sessionID);
request.setRequestedSessionURL(true);
}
}
// Look for session ID in cookies and SSL session
parseSessionCookiesId(req, request);
parseSessionSslId(request);
sessionID = request.getRequestedSessionId();
mapRequired = false;
if (version != null && request.getContext() == versionContext) {
// We got the version that we asked for. That is it.
} else {
version = null;
versionContext = null;
Object[] contexts = request.getMappingData().contexts;
// Single contextVersion means no need to remap
// No session ID means no possibility of remap
if (contexts != null && sessionID != null) {
// Find the context associated with the session
for (int i = (contexts.length); i > 0; i--) {
Context ctxt = (Context) contexts[i - 1];
if (ctxt.getManager().findSession(sessionID) != null) {
// We found a context. Is it the one that has
// already been mapped?
if (!ctxt.equals(request.getMappingData().context)) {
// Set version so second time through mapping
// the correct context is found
version = ctxt.getWebappVersion();
versionContext = ctxt;
// Reset mapping
request.getMappingData().recycle();
mapRequired = true;
}
break;
}
}
}
}
if (!mapRequired && request.getContext().getPaused()) {
// Found a matching context but it is paused. Mapping data will
// be wrong since some Wrappers may not be registered at this
// point.
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
// Should never happen
}
// Reset mapping
request.getMappingData().recycle();
mapRequired = true;
}
}
// Possible redirect
MessageBytes redirectPathMB = request.getMappingData().redirectPath;
if (!redirectPathMB.isNull()) {
String redirectPath = urlEncoder.encode(redirectPathMB.toString());
String query = request.getQueryString();
if (request.isRequestedSessionIdFromURL()) {
// This is not optimal, but as this is not very common, it
// shouldn't matter
redirectPath =
redirectPath
+ ";"
+ SessionConfig.getSessionUriParamName(request.getContext())
+ "="
+ request.getRequestedSessionId();
}
if (query != null) {
// This is not optimal, but as this is not very common, it
// shouldn't matter
redirectPath = redirectPath + "?" + query;
}
response.sendRedirect(redirectPath);
request.getContext().logAccess(request, response, 0, true);
return false;
}
// Filter trace method
if (!connector.getAllowTrace() && req.method().equalsIgnoreCase("TRACE")) {
Wrapper wrapper = request.getWrapper();
String header = null;
if (wrapper != null) {
String[] methods = wrapper.getServletMethods();
if (methods != null) {
for (int i = 0; i < methods.length; i++) {
if ("TRACE".equals(methods[i])) {
continue;
}
if (header == null) {
header = methods[i];
} else {
header += ", " + methods[i];
}
}
}
}
res.setStatus(405);
res.addHeader("Allow", header);
res.setMessage("TRACE method is not allowed");
request.getContext().logAccess(request, response, 0, true);
return false;
}
doConnectorAuthenticationAuthorization(req, request);
return true;
}
/** Service method. */
@Override
public void service(org.apache.coyote.Request req, org.apache.coyote.Response res)
throws Exception {
Request request = (Request) req.getNote(ADAPTER_NOTES);
Response response = (Response) res.getNote(ADAPTER_NOTES);
if (request == null) {
// Create objects
request = connector.createRequest();
request.setCoyoteRequest(req);
response = connector.createResponse();
response.setCoyoteResponse(res);
// Link objects
request.setResponse(response);
response.setRequest(request);
// Set as notes
req.setNote(ADAPTER_NOTES, request);
res.setNote(ADAPTER_NOTES, response);
// Set query string encoding
req.getParameters().setQueryStringEncoding(connector.getURIEncoding());
}
if (connector.getXpoweredBy()) {
response.addHeader("X-Powered-By", POWERED_BY);
}
boolean comet = false;
boolean async = false;
try {
// Parse and set Catalina and configuration specific
// request parameters
req.getRequestProcessor().setWorkerThreadName(Thread.currentThread().getName());
boolean postParseSuccess = postParseRequest(req, request, res, response);
if (postParseSuccess) {
// check valves if we support async
request.setAsyncSupported(
connector.getService().getContainer().getPipeline().isAsyncSupported());
// Calling the container
connector.getService().getContainer().getPipeline().getFirst().invoke(request, response);
if (request.isComet()) {
if (!response.isClosed() && !response.isError()) {
if (request.getAvailable()
|| (request.getContentLength() > 0 && (!request.isParametersParsed()))) {
// Invoke a read event right away if there are available bytes
if (event(req, res, SocketStatus.OPEN_READ)) {
comet = true;
res.action(ActionCode.COMET_BEGIN, null);
}
} else {
comet = true;
res.action(ActionCode.COMET_BEGIN, null);
}
} else {
// Clear the filter chain, as otherwise it will not be reset elsewhere
// since this is a Comet request
request.setFilterChain(null);
}
}
}
AsyncContextImpl asyncConImpl = (AsyncContextImpl) request.getAsyncContext();
if (asyncConImpl != null) {
async = true;
} else if (!comet) {
request.finishRequest();
response.finishResponse();
if (postParseSuccess && request.getMappingData().context != null) {
// Log only if processing was invoked.
// If postParseRequest() failed, it has already logged it.
// If context is null this was the start of a comet request
// that failed and has already been logged.
((Context) request.getMappingData().context)
.logAccess(request, response, System.currentTimeMillis() - req.getStartTime(), false);
}
req.action(ActionCode.POST_REQUEST, null);
}
} catch (IOException e) {
// Ignore
} finally {
req.getRequestProcessor().setWorkerThreadName(null);
AtomicBoolean error = new AtomicBoolean(false);
res.action(ActionCode.IS_ERROR, error);
// Recycle the wrapper request and response
if (!comet && !async || error.get()) {
request.recycle();
response.recycle();
} else {
// Clear converters so that the minimum amount of memory
// is used by this processor
request.clearEncoders();
response.clearEncoders();
}
}
}
@Override
public boolean asyncDispatch(
org.apache.coyote.Request req, org.apache.coyote.Response res, SocketStatus status)
throws Exception {
Request request = (Request) req.getNote(ADAPTER_NOTES);
Response response = (Response) res.getNote(ADAPTER_NOTES);
if (request == null) {
throw new IllegalStateException("Dispatch may only happen on an existing request.");
}
boolean comet = false;
boolean success = true;
AsyncContextImpl asyncConImpl = (AsyncContextImpl) request.getAsyncContext();
req.getRequestProcessor().setWorkerThreadName(Thread.currentThread().getName());
try {
if (!request.isAsync() && !comet) {
// Error or timeout - need to tell listeners the request is over
// Have to test this first since state may change while in this
// method and this is only required if entering this method in
// this state
Context ctxt = (Context) request.getMappingData().context;
if (ctxt != null) {
ctxt.fireRequestDestroyEvent(request);
}
// Lift any suspension (e.g. if sendError() was used by an async
// request) to allow the response to be written to the client
response.setSuspended(false);
}
if (status == SocketStatus.TIMEOUT) {
if (!asyncConImpl.timeout()) {
asyncConImpl.setErrorState(null, false);
}
}
// Has an error occurred during async processing that needs to be
// processed by the application's error page mechanism (or Tomcat's
// if the application doesn't define one)?
if (!request.isAsyncDispatching() && request.isAsync() && response.isErrorReportRequired()) {
connector.getService().getContainer().getPipeline().getFirst().invoke(request, response);
}
if (request.isAsyncDispatching()) {
connector.getService().getContainer().getPipeline().getFirst().invoke(request, response);
Throwable t = (Throwable) request.getAttribute(RequestDispatcher.ERROR_EXCEPTION);
if (t != null) {
asyncConImpl.setErrorState(t, true);
}
}
if (request.isComet()) {
if (!response.isClosed() && !response.isError()) {
if (request.getAvailable()
|| (request.getContentLength() > 0 && (!request.isParametersParsed()))) {
// Invoke a read event right away if there are available bytes
if (event(req, res, SocketStatus.OPEN_READ)) {
comet = true;
res.action(ActionCode.COMET_BEGIN, null);
}
} else {
comet = true;
res.action(ActionCode.COMET_BEGIN, null);
}
} else {
// Clear the filter chain, as otherwise it will not be reset elsewhere
// since this is a Comet request
request.setFilterChain(null);
}
}
if (!request.isAsync() && !comet) {
request.finishRequest();
response.finishResponse();
req.action(ActionCode.POST_REQUEST, null);
((Context) request.getMappingData().context)
.logAccess(request, response, System.currentTimeMillis() - req.getStartTime(), false);
}
// Check to see if the processor is in an error state. If it is,
// bail out now.
AtomicBoolean error = new AtomicBoolean(false);
res.action(ActionCode.IS_ERROR, error);
if (error.get()) {
success = false;
}
} catch (IOException e) {
success = false;
// Ignore
} catch (Throwable t) {
ExceptionUtils.handleThrowable(t);
success = false;
log.error(sm.getString("coyoteAdapter.service"), t);
} finally {
req.getRequestProcessor().setWorkerThreadName(null);
// Recycle the wrapper request and response
if (!success || (!comet && !request.isAsync())) {
request.recycle();
response.recycle();
} else {
// Clear converters so that the minimum amount of memory
// is used by this processor
request.clearEncoders();
response.clearEncoders();
}
}
return success;
}
/**
* Event method.
*
* @return false to indicate an error, expected or not
*/
@Override
public boolean event(
org.apache.coyote.Request req, org.apache.coyote.Response res, SocketStatus status) {
Request request = (Request) req.getNote(ADAPTER_NOTES);
Response response = (Response) res.getNote(ADAPTER_NOTES);
if (request.getWrapper() == null) {
return false;
}
boolean error = false;
boolean read = false;
try {
if (status == SocketStatus.OPEN_READ) {
if (response.isClosed()) {
// The event has been closed asynchronously, so call end instead of
// read to cleanup the pipeline
request.getEvent().setEventType(CometEvent.EventType.END);
request.getEvent().setEventSubType(null);
} else {
try {
// Fill the read buffer of the servlet layer
if (request.read()) {
read = true;
}
} catch (IOException e) {
error = true;
}
if (read) {
request.getEvent().setEventType(CometEvent.EventType.READ);
request.getEvent().setEventSubType(null);
} else if (error) {
request.getEvent().setEventType(CometEvent.EventType.ERROR);
request.getEvent().setEventSubType(CometEvent.EventSubType.CLIENT_DISCONNECT);
} else {
request.getEvent().setEventType(CometEvent.EventType.END);
request.getEvent().setEventSubType(null);
}
}
} else if (status == SocketStatus.DISCONNECT) {
request.getEvent().setEventType(CometEvent.EventType.ERROR);
request.getEvent().setEventSubType(CometEvent.EventSubType.CLIENT_DISCONNECT);
error = true;
} else if (status == SocketStatus.ERROR) {
request.getEvent().setEventType(CometEvent.EventType.ERROR);
request.getEvent().setEventSubType(CometEvent.EventSubType.IOEXCEPTION);
error = true;
} else if (status == SocketStatus.STOP) {
request.getEvent().setEventType(CometEvent.EventType.END);
request.getEvent().setEventSubType(CometEvent.EventSubType.SERVER_SHUTDOWN);
} else if (status == SocketStatus.TIMEOUT) {
if (response.isClosed()) {
// The event has been closed asynchronously, so call end instead of
// read to cleanup the pipeline
request.getEvent().setEventType(CometEvent.EventType.END);
request.getEvent().setEventSubType(null);
} else {
request.getEvent().setEventType(CometEvent.EventType.ERROR);
request.getEvent().setEventSubType(CometEvent.EventSubType.TIMEOUT);
}
}
req.getRequestProcessor().setWorkerThreadName(Thread.currentThread().getName());
// Calling the container
connector
.getService()
.getContainer()
.getPipeline()
.getFirst()
.event(request, response, request.getEvent());
if (!error
&& !response.isClosed()
&& (request.getAttribute(RequestDispatcher.ERROR_EXCEPTION) != null)) {
// An unexpected exception occurred while processing the event, so
// error should be called
request.getEvent().setEventType(CometEvent.EventType.ERROR);
request.getEvent().setEventSubType(null);
error = true;
connector
.getService()
.getContainer()
.getPipeline()
.getFirst()
.event(request, response, request.getEvent());
}
if (response.isClosed() || !request.isComet()) {
if (status == SocketStatus.OPEN_READ
&& request.getEvent().getEventType() != EventType.END) {
// CometEvent.close was called during an event other than END
request.getEvent().setEventType(CometEvent.EventType.END);
request.getEvent().setEventSubType(null);
error = true;
connector
.getService()
.getContainer()
.getPipeline()
.getFirst()
.event(request, response, request.getEvent());
}
res.action(ActionCode.COMET_END, null);
} else if (!error && read && request.getAvailable()) {
// If this was a read and not all bytes have been read, or if no data
// was read from the connector, then it is an error
request.getEvent().setEventType(CometEvent.EventType.ERROR);
request.getEvent().setEventSubType(CometEvent.EventSubType.IOEXCEPTION);
error = true;
connector
.getService()
.getContainer()
.getPipeline()
.getFirst()
.event(request, response, request.getEvent());
}
return (!error);
} catch (Throwable t) {
ExceptionUtils.handleThrowable(t);
if (!(t instanceof IOException)) {
log.error(sm.getString("coyoteAdapter.service"), t);
}
error = true;
return false;
} finally {
req.getRequestProcessor().setWorkerThreadName(null);
// Recycle the wrapper request and response
if (error || response.isClosed() || !request.isComet()) {
((Context) request.getMappingData().context)
.logAccess(request, response, System.currentTimeMillis() - req.getStartTime(), false);
request.recycle();
request.setFilterChain(null);
response.recycle();
}
}
}
/**
* Bytes written to socket - i.e. after compression, chunking, etc.
*
* @param flush Should any remaining bytes be flushed before returning the total? If {@code false}
* bytes remaining in the buffer will not be included in the returned value
* @return The total number of bytes written to the socket for this response
*/
public long getBytesWritten(boolean flush) {
if (flush) {
action(ActionCode.CLIENT_FLUSH, this);
}
return outputBuffer.getBytesWritten();
}
/**
* Signal that we're done with the headers, and body will follow. Any implementation needs to
* notify ContextManager, to allow interceptors to fix headers.
*/
public void sendHeaders() {
action(ActionCode.COMMIT, this);
setCommitted(true);
}
/**
* Signal that we're done with the headers, and body will follow. Any implementation needs to
* notify ContextManager, to allow interceptors to fix headers.
*/
public void sendHeaders() throws IOException {
action(ActionCode.ACTION_COMMIT, this);
commited = true;
}
public void acknowledge() throws IOException {
action(ActionCode.ACTION_ACK, this);
}
public void finish() throws IOException {
action(ActionCode.ACTION_CLOSE, this);
}