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package org.glassfish.jersey.tests.integration.jersey2730;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.container.AsyncResponse;
import javax.ws.rs.container.Suspended;
import javax.inject.Singleton;
import org.glassfish.jersey.servlet.internal.ResponseWriter;
import org.glassfish.jersey.tests.integration.jersey2730.exception.MappedException;
import org.glassfish.jersey.tests.integration.jersey2730.exception.UnmappedException;
import org.glassfish.jersey.tests.integration.jersey2730.exception.UnmappedRuntimeException;
/**
* @author Stepan Vavra (stepan.vavra at oracle.com)
*/
@Path("/exception")
@Singleton
public class TestExceptionResource {
/**
* An instance of thread that was processing a last request to this resource.
*/
private Thread lastProcessingThread;
@GET
@Path("null")
public void get(@Suspended final AsyncResponse asyncResponse) {
lastProcessingThread = Thread.currentThread();
asyncResponse.resume((Throwable) null);
}
@GET
@Path("mapped")
public void getMappedException(@Suspended final AsyncResponse asyncResponse) {
lastProcessingThread = Thread.currentThread();
asyncResponse.resume(new MappedException());
}
@GET
@Path("unmapped")
public void getUnmappedException(@Suspended final AsyncResponse asyncResponse) {
lastProcessingThread = Thread.currentThread();
asyncResponse.resume(new UnmappedException());
}
@GET
@Path("runtime")
public void getUnmappedRuntimeException(@Suspended final AsyncResponse asyncResponse) {
lastProcessingThread = Thread.currentThread();
asyncResponse.resume(new UnmappedRuntimeException());
}
/**
* Returns whether a thread that was processing a last request got stuck in {@link ResponseWriter}.
* <p/>
* Under normal circumstances, the last processing thread should return back to the servlet container
* and its pool.
* <p/>
* May not work when executed in parallel.
*
* @return
*/
@GET
@Path("rpc/lastthreadstuck")
public boolean lastThreadStuckRpc() {
if (lastProcessingThread == null || Thread.currentThread() == lastProcessingThread) {
return false;
}
switch (lastProcessingThread.getState()) {
case BLOCKED:
case TIMED_WAITING:
case WAITING:
for (StackTraceElement stackTraceElement : lastProcessingThread.getStackTrace()) {
if (ResponseWriter.class.getName().equals(stackTraceElement.getClassName())) {
return true;
}
}
}
return false;
}
}