@Override
protected void execute(
final @NonNull KernelHttpRequest request, final @NonNull KernelHttpResponse response) {
if (!request.isPrivileged()) throw new AdminAccessException();
final String queryType = request.getParameter("queryType");
final PrintWriter writer = response.getWriter();
writer.print("[");
try {
final ValidatingKernel kernel = getKernel();
final BeginTransactionResult btr = kernel.beginTransaction();
final NodesTransaction txn = btr.getTxn();
boolean commit = false;
try {
final Processor processor = processors.get(queryType);
if (processor == null) writer.println("Query type '" + queryType + "' not found");
else processor.process(txn, request, writer);
commit = true;
} finally {
txn.finish(commit);
}
writer.print("]");
} finally {
writer.close();
}
}
/** Builds a Router from an annotated Java Object */
public static Router from(@NotNull final Router router, @NotNull Object... objs) {
for (Object o : objs) {
Processor.process(router, o);
}
return router;
}
/**
* Processes the exchange by the processors
*
* @param processor the processor
* @param exchange the exchange
*/
protected static void doProcess(Processor processor, Exchange exchange) {
try {
processor.process(exchange);
} catch (Exception e) {
exchange.setException(e);
}
}
protected void processChildren(Symbols symbols, Writer writer, String padding) {
Processor p = children;
while (p != null) {
p.process(symbols, writer, line, padding);
p = p.getNext();
}
}
public void process(Processor<E> processor) {
for (int i = 0; i < data.length; i++) {
Object o = data[i];
if (o != null) {
processor.process((E) o);
}
}
}
public static boolean processFilesRecursively(
@NotNull File root,
@NotNull Processor<File> processor,
@Nullable final Processor<File> directoryFilter) {
final LinkedList<File> queue = new LinkedList<File>();
queue.add(root);
while (!queue.isEmpty()) {
final File file = queue.removeFirst();
if (!processor.process(file)) return false;
if (file.isDirectory() && (directoryFilter == null || directoryFilter.process(file))) {
final File[] children = file.listFiles();
if (children != null) {
ContainerUtil.addAll(queue, children);
}
}
}
return true;
}
String processContent(String content, Type type) throws ProcessingException {
if (content != null && !content.isEmpty()) {
for (Processor processor : type.getProcessors()) {
content = processor.process(content);
}
}
return content;
}
/**
* I think in the basic framework this method is never called explicitely, because processing is
* done implicitly by the render
*/
@Override
public void process(
Processor processor, Parameters blockParameters, Parameters frameworkParameters)
throws FrameworkException {
HttpServletRequest request = frameworkParameters.get(Parameter.REQUEST);
State state = State.getState(request);
state.startBlock(frameworkParameters, null);
setBlockParametersForProcess(state, blockParameters);
processor.process(blockParameters);
}
public static void doSomethingWithUserInput(Processor proc) {
// get user input from console
String userInput = "test";
// apply the processor
Object result = proc.process(userInput);
// display the result
System.out.println(result);
}
@Override
public PropertySource<?> load(String name, Resource resource, String profile) throws IOException {
if (ClassUtils.isPresent("org.yaml.snakeyaml.Yaml", null)) {
Processor processor = new Processor(resource, profile);
Map<String, Object> source = processor.process();
if (!source.isEmpty()) {
return new MapPropertySource(name, source);
}
}
return null;
}
public static boolean processFirstBytes(
@NotNull InputStream stream, int length, @NotNull Processor<ByteSequence> processor)
throws IOException {
final byte[] bytes = BUFFER.get();
assert bytes.length >= length
: "Cannot process more than " + bytes.length + " in one call, requested:" + length;
int n = stream.read(bytes, 0, length);
if (n <= 0) return false;
return processor.process(new ByteSequence(bytes, 0, n));
}
public void performNecessaryUpdates(Processor processor) {
final IXtextDocument document = XtextDocumentUtil.get(textViewer);
if (document != null && !paused) {
final ReplaceRegion replaceRegionToBeProcessed = getAndResetReplaceRegion();
if (replaceRegionToBeProcessed != null) {
processor.process(new XtextReconcilerUnitOfWork(replaceRegionToBeProcessed, document));
}
}
if (sessionStarted && !paused) {
pause();
}
}
public static boolean processFilesRecursively(
@NotNull VirtualFile root, @NotNull Processor<VirtualFile> processor) {
if (!processor.process(root)) return false;
if (root.isDirectory()) {
final LinkedList<VirtualFile[]> queue = new LinkedList<VirtualFile[]>();
queue.add(root.getChildren());
do {
final VirtualFile[] files = queue.removeFirst();
for (VirtualFile file : files) {
if (!processor.process(file)) return false;
if (file.isDirectory()) {
queue.add(file.getChildren());
}
}
} while (!queue.isEmpty());
}
return true;
}
public static void processFilesRecursively(
@NotNull VirtualFile root,
@NotNull Processor<VirtualFile> processor,
@NotNull Convertor<VirtualFile, Boolean> directoryFilter) {
if (!processor.process(root)) return;
if (root.isDirectory() && directoryFilter.convert(root)) {
final LinkedList<VirtualFile[]> queue = new LinkedList<VirtualFile[]>();
queue.add(root.getChildren());
do {
final VirtualFile[] files = queue.removeFirst();
for (VirtualFile file : files) {
if (!processor.process(file)) return;
if (file.isDirectory() && directoryFilter.convert(file)) {
queue.add(file.getChildren());
}
}
} while (!queue.isEmpty());
}
}
public static boolean visitFiles(@NotNull File root, @NotNull Processor<File> processor) {
if (!processor.process(root)) {
return false;
}
File[] children = root.listFiles();
if (children != null) {
for (File child : children) {
if (!visitFiles(child, processor)) {
return false;
}
}
}
return true;
}
@Test
public void noFailureDoesNotTriggerEarlyExit() throws ProcessingException {
@SuppressWarnings("unchecked")
final Processor<MessageProvider, MessageProvider> p1 = mock(Processor.class);
@SuppressWarnings("unchecked")
final Processor<MessageProvider, MessageProvider> p2 = mock(Processor.class);
final Processor<MessageProvider, MessageProvider> processor =
ProcessorChain.startWith(p1).failOnError().chainWith(p2).getProcessor();
final MessageProvider input = mock(MessageProvider.class);
final ProcessingReport report = new DummyReport(LogLevel.DEBUG);
processor.process(report, input);
verify(p1).process(same(report), any(MessageProvider.class));
verify(p2).process(same(report), any(MessageProvider.class));
}
private boolean callProcessor(
Processor proc, Set<? extends TypeElement> tes, RoundEnvironment renv) {
try {
return proc.process(tes, renv);
} catch (BadClassFile ex) {
log.error("proc.cant.access.1", ex.sym, ex.getDetailValue());
return false;
} catch (CompletionFailure ex) {
StringWriter out = new StringWriter();
ex.printStackTrace(new PrintWriter(out));
log.error("proc.cant.access", ex.sym, ex.getDetailValue(), out.toString());
return false;
} catch (ClientCodeException e) {
throw e;
} catch (Throwable t) {
throw new AnnotationProcessingError(t);
}
}
public void process(int depth, Node node) {
if (depth == 0) {
references.traverse(node);
}
Processor processor = processors().get(node.getClass());
if (processor == null) {
log.warn("No processor defined for type {}", node.getClass());
processor = processorDefault;
}
treeNavigation.push(node);
dumpProcessor(depth, node, processor);
processor.process(depth, node, this);
treeNavigation.pop();
}
protected boolean finishCommitInWriteAction(
@NotNull final Document document,
@NotNull final List<Processor<Document>> finishProcessors,
final boolean synchronously) {
if (myProject.isDisposed()) return false;
assert !(document instanceof DocumentWindow);
myIsCommitInProgress = true;
boolean success = true;
try {
final FileViewProvider viewProvider = getCachedViewProvider(document);
if (viewProvider != null) {
for (Processor<Document> finishRunnable : finishProcessors) {
success = finishRunnable.process(document);
if (synchronously) {
assert success : finishRunnable + " in " + finishProcessors;
}
if (!success) {
break;
}
}
if (success) {
myLastCommittedTexts.remove(document);
viewProvider.contentsSynchronized();
}
} else {
handleCommitWithoutPsi(document);
}
} finally {
myDocumentCommitProcessor.log(
"in PDI.finishDoc: ", null, synchronously, success, myUncommittedDocuments);
if (success) {
myUncommittedDocuments.remove(document);
myDocumentCommitProcessor.log(
"in PDI.finishDoc: removed doc", null, synchronously, success, myUncommittedDocuments);
}
myIsCommitInProgress = false;
myDocumentCommitProcessor.log(
"in PDI.finishDoc: exit", null, synchronously, success, myUncommittedDocuments);
}
return success;
}
private static <T> void processDependencyMap(
T selected,
Stack<T> callStack,
Map<T, Set<T>> dependencies,
Set<T> processed,
Processor<T> processor,
SubMonitor subMonitor)
throws CoreException, CircularDependencyException {
if (processed.contains(selected)) return;
// Check for cycles
int stackIndex = callStack.indexOf(selected);
if (stackIndex != -1) {
List<T> subList = callStack.subList(stackIndex, callStack.size());
List<T> cycle = new ArrayList<T>(subList.size() + 1);
cycle.addAll(subList);
cycle.add(selected);
throw new CircularDependencyException(cycle);
}
try {
callStack.push(selected);
Set<T> selectedDeps = dependencies.get(selected);
// Process dependencies first
if (selectedDeps != null) {
for (T dep : selectedDeps) {
processDependencyMap(dep, callStack, dependencies, processed, processor, subMonitor);
}
}
// Process the selection
processor.process(selected, subMonitor.newChild(1));
processed.add(selected);
} finally {
callStack.pop();
}
}
@Test
public void failingOnErrorExitsEarly() throws ProcessingException {
@SuppressWarnings("unchecked")
final Processor<MessageProvider, MessageProvider> p1 = mock(Processor.class);
@SuppressWarnings("unchecked")
final Processor<MessageProvider, MessageProvider> p2 = mock(Processor.class);
final Processor<MessageProvider, MessageProvider> processor =
ProcessorChain.startWith(p1).failOnError().chainWith(p2).getProcessor();
final MessageProvider input = mock(MessageProvider.class);
final ProcessingReport report = new DummyReport(LogLevel.ERROR);
try {
processor.process(report, input);
fail("No exception thrown!!");
} catch (ProcessingException e) {
assertMessage(e.getProcessingMessage())
.hasMessage(BUNDLE.getMessage("processing.chainStopped"));
}
verify(p1).process(same(report), any(MessageProvider.class));
verify(p2, never()).process(any(ProcessingReport.class), any(MessageProvider.class));
}
@SuppressWarnings("deprecation") // Old HTTP upgrade method has been deprecated
public SocketState process(SocketWrapper<S> wrapper, SocketStatus status) {
if (wrapper == null) {
// Nothing to do. Socket has been closed.
return SocketState.CLOSED;
}
S socket = wrapper.getSocket();
if (socket == null) {
// Nothing to do. Socket has been closed.
return SocketState.CLOSED;
}
Processor<S> processor = connections.get(socket);
if (status == SocketStatus.DISCONNECT && processor == null) {
// Nothing to do. Endpoint requested a close and there is no
// longer a processor associated with this socket.
return SocketState.CLOSED;
}
wrapper.setAsync(false);
ContainerThreadMarker.markAsContainerThread();
try {
if (processor == null) {
processor = recycledProcessors.poll();
}
if (processor == null) {
processor = createProcessor();
}
initSsl(wrapper, processor);
SocketState state = SocketState.CLOSED;
do {
if (status == SocketStatus.CLOSE_NOW) {
processor.errorDispatch();
state = SocketState.CLOSED;
} else if (status == SocketStatus.DISCONNECT && !processor.isComet()) {
// Do nothing here, just wait for it to get recycled
// Don't do this for Comet we need to generate an end
// event (see BZ 54022)
} else if (processor.isAsync()) {
state = processor.asyncDispatch(status);
} else if (state == SocketState.ASYNC_END) {
state = processor.asyncDispatch(status);
// release() won't get called so in case this request
// takes a long time to process remove the socket from
// the waiting requests now else the async timeout will
// fire
getProtocol().endpoint.removeWaitingRequest(wrapper);
if (state == SocketState.OPEN) {
// There may be pipe-lined data to read. If the data
// isn't processed now, execution will exit this
// loop and call release() which will recycle the
// processor (and input buffer) deleting any
// pipe-lined data. To avoid this, process it now.
state = processor.process(wrapper);
}
} else if (processor.isComet()) {
state = processor.event(status);
} else if (processor.getUpgradeInbound() != null) {
state = processor.upgradeDispatch();
} else if (processor.isUpgrade()) {
state = processor.upgradeDispatch(status);
} else {
state = processor.process(wrapper);
}
if (state != SocketState.CLOSED && processor.isAsync()) {
state = processor.asyncPostProcess();
}
if (state == SocketState.UPGRADING) {
// Get the HTTP upgrade handler
HttpUpgradeHandler httpUpgradeHandler = processor.getHttpUpgradeHandler();
// Release the Http11 processor to be re-used
release(wrapper, processor, false, false);
// Create the upgrade processor
processor = createUpgradeProcessor(wrapper, httpUpgradeHandler);
// Mark the connection as upgraded
wrapper.setUpgraded(true);
// Associate with the processor with the connection
connections.put(socket, processor);
// Initialise the upgrade handler (which may trigger
// some IO using the new protocol which is why the lines
// above are necessary)
// This cast should be safe. If it fails the error
// handling for the surrounding try/catch will deal with
// it.
httpUpgradeHandler.init((WebConnection) processor);
} else if (state == SocketState.UPGRADING_TOMCAT) {
// Get the UpgradeInbound handler
org.apache.coyote.http11.upgrade.UpgradeInbound inbound = processor.getUpgradeInbound();
// Release the Http11 processor to be re-used
release(wrapper, processor, false, false);
// Create the light-weight upgrade processor
processor = createUpgradeProcessor(wrapper, inbound);
inbound.onUpgradeComplete();
}
if (getLog().isDebugEnabled()) {
getLog()
.debug(
"Socket: ["
+ wrapper
+ "], Status in: ["
+ status
+ "], State out: ["
+ state
+ "]");
}
} while (state == SocketState.ASYNC_END
|| state == SocketState.UPGRADING
|| state == SocketState.UPGRADING_TOMCAT);
if (state == SocketState.LONG) {
// In the middle of processing a request/response. Keep the
// socket associated with the processor. Exact requirements
// depend on type of long poll
connections.put(socket, processor);
longPoll(wrapper, processor);
} else if (state == SocketState.OPEN) {
// In keep-alive but between requests. OK to recycle
// processor. Continue to poll for the next request.
connections.remove(socket);
release(wrapper, processor, false, true);
} else if (state == SocketState.SENDFILE) {
// Sendfile in progress. If it fails, the socket will be
// closed. If it works, the socket will be re-added to the
// poller
connections.remove(socket);
release(wrapper, processor, false, false);
} else if (state == SocketState.UPGRADED) {
// Need to keep the connection associated with the processor
connections.put(socket, processor);
// Don't add sockets back to the poller if this was a
// non-blocking write otherwise the poller may trigger
// multiple read events which may lead to thread starvation
// in the connector. The write() method will add this socket
// to the poller if necessary.
if (status != SocketStatus.OPEN_WRITE) {
longPoll(wrapper, processor);
}
} else {
// Connection closed. OK to recycle the processor. Upgrade
// processors are not recycled.
connections.remove(socket);
if (processor.isUpgrade()) {
processor.getHttpUpgradeHandler().destroy();
} else if (processor instanceof org.apache.coyote.http11.upgrade.UpgradeProcessor) {
// NO-OP
} else {
release(wrapper, processor, true, false);
}
}
return state;
} catch (java.net.SocketException e) {
// SocketExceptions are normal
getLog().debug(sm.getString("abstractConnectionHandler.socketexception.debug"), e);
} catch (java.io.IOException e) {
// IOExceptions are normal
getLog().debug(sm.getString("abstractConnectionHandler.ioexception.debug"), e);
}
// Future developers: if you discover any other
// rare-but-nonfatal exceptions, catch them here, and log as
// above.
catch (Throwable e) {
ExceptionUtils.handleThrowable(e);
// any other exception or error is odd. Here we log it
// with "ERROR" level, so it will show up even on
// less-than-verbose logs.
getLog().error(sm.getString("abstractConnectionHandler.error"), e);
}
// Make sure socket/processor is removed from the list of current
// connections
connections.remove(socket);
// Don't try to add upgrade processors back into the pool
if (!(processor instanceof org.apache.coyote.http11.upgrade.UpgradeProcessor)
&& !processor.isUpgrade()) {
release(wrapper, processor, true, false);
}
return SocketState.CLOSED;
}
@Override
default void applyEffect(State state) {
Processor.process(state, getEffectsXPR());
}
@Override
default List<BoolExpr> getConditions(State state) {
return Processor.process(state.copy(), getConditionsXPR());
}
public static void process(Processor p, Object s) {
System.out.println("Using Processor " + p.name());
System.out.println(p.process(s));
}
@Override
default void instantiateArguments(State state) {
Processor.process(state, getArgumentsXPR());
}
/**
* Basic Framework implicitely also processes, i'm not sure if we should require any framework to
* do that (perhaps we could say, that the render method must process, if that is necessary, and
* not yet done).
*/
@Override
public void render(
Renderer renderer,
Parameters blockParameters,
Parameters frameworkParameters,
Writer w,
WindowState windowState)
throws FrameworkException {
ServletRequest request = frameworkParameters.get(Parameter.REQUEST);
if (request == null) {
throw new IllegalArgumentException("No request object given");
}
State state = State.getState(request);
if (state
.isRendering()) { // mm:component used during rending of a component, that's fine, but use a
// new State.
state = new State(request);
log.debug("Alreadying rendering, taking a new state for sub-block-rendering: " + state);
}
log.debug("Rendering " + renderer.getBlock() + " " + renderer);
Object prevHints = request.getAttribute(RenderHints.KEY);
try {
request.setAttribute(COMPONENT_CLASS_KEY, getComponentClass());
request.setAttribute(COMPONENT_CURRENTUSER_KEY, getUserNode(frameworkParameters));
Renderer actualRenderer = state.startBlock(frameworkParameters, renderer);
if (!actualRenderer.equals(renderer)) {
Parameters newBlockParameters = actualRenderer.getBlock().createParameters();
newBlockParameters.setAllIfDefined(blockParameters);
blockParameters = newBlockParameters;
}
state.setAction(request.getParameter(ACTION.getName()));
if (state.needsProcess()) {
log.service("Performing action on " + actualRenderer.getBlock());
Processor processor = actualRenderer.getBlock().getProcessor();
state.process(processor);
log.service("Processing " + actualRenderer.getBlock() + " " + processor);
setBlockParametersForProcess(state, blockParameters);
processor.process(blockParameters);
state.endProcess();
}
state.render(actualRenderer);
setBlockParametersForRender(state, blockParameters);
RenderHints hints =
new RenderHints(
actualRenderer,
windowState,
state.getId(),
getComponentClass(),
RenderHints.Mode.NORMAL);
request.setAttribute(RenderHints.KEY, hints);
actualRenderer.render(blockParameters, w, hints);
request.setAttribute("org.mmbase.framework.hints", hints);
} catch (FrameworkException fe) {
log.debug(fe);
URI uri = renderer.getUri();
Renderer error =
new ErrorRenderer(
renderer.getType(),
renderer.getBlock(),
(uri != null) ? uri.toString() : null,
500,
fe);
RenderHints hints =
new RenderHints(
error, windowState, state.getId(), getComponentClass(), RenderHints.Mode.NORMAL);
error.render(blockParameters, w, hints);
} finally {
request.setAttribute(RenderHints.KEY, prevHints);
state.endBlock();
}
}
