private void sendStatusReport()

in org.eclipse.jgit/src/org/eclipse/jgit/transport/ReceivePack.java [1828:1934]
91 lines of code
26 McCabe index (conditional complexity)

	private void sendStatusReport(Throwable unpackError) throws IOException {
		Reporter out = new Reporter() {
			@Override
			void sendString(String s) throws IOException {
				if (reportStatus) {
					pckOut.writeString(s + '\n');
				} else if (msgOut != null) {
					msgOut.write(Constants.encode(s + '\n'));
				}
			}
		};

		try {
			if (unpackError != null) {
				out.sendString("unpack error " + unpackError.getMessage()); //$NON-NLS-1$
				if (reportStatus) {
					for (ReceiveCommand cmd : commands) {
						out.sendString("ng " + cmd.getRefName() //$NON-NLS-1$
								+ " n/a (unpacker error)"); //$NON-NLS-1$
					}
				}
				return;
			}

			if (reportStatus) {
				out.sendString("unpack ok"); //$NON-NLS-1$
			}
			for (ReceiveCommand cmd : commands) {
				if (cmd.getResult() == Result.OK) {
					if (reportStatus) {
						out.sendString("ok " + cmd.getRefName()); //$NON-NLS-1$
					}
					continue;
				}

				final StringBuilder r = new StringBuilder();
				if (reportStatus) {
					r.append("ng ").append(cmd.getRefName()).append(" "); //$NON-NLS-1$ //$NON-NLS-2$
				} else {
					r.append(" ! [rejected] ").append(cmd.getRefName()) //$NON-NLS-1$
							.append(" ("); //$NON-NLS-1$
				}

				if (cmd.getResult() == Result.REJECTED_MISSING_OBJECT) {
					if (cmd.getMessage() == null)
						r.append("missing object(s)"); //$NON-NLS-1$
					else if (cmd.getMessage()
							.length() == Constants.OBJECT_ID_STRING_LENGTH) {
						// TODO: Using get/setMessage to store an OID is a
						// misuse. The caller should set a full error message.
						r.append("object "); //$NON-NLS-1$
						r.append(cmd.getMessage());
						r.append(" missing"); //$NON-NLS-1$
					} else {
						r.append(cmd.getMessage());
					}
				} else if (cmd.getMessage() != null) {
					r.append(cmd.getMessage());
				} else {
					switch (cmd.getResult()) {
					case NOT_ATTEMPTED:
						r.append("server bug; ref not processed"); //$NON-NLS-1$
						break;

					case REJECTED_NOCREATE:
						r.append("creation prohibited"); //$NON-NLS-1$
						break;

					case REJECTED_NODELETE:
						r.append("deletion prohibited"); //$NON-NLS-1$
						break;

					case REJECTED_NONFASTFORWARD:
						r.append("non-fast forward"); //$NON-NLS-1$
						break;

					case REJECTED_CURRENT_BRANCH:
						r.append("branch is currently checked out"); //$NON-NLS-1$
						break;

					case REJECTED_OTHER_REASON:
						r.append("unspecified reason"); //$NON-NLS-1$
						break;

					case LOCK_FAILURE:
						r.append("failed to lock"); //$NON-NLS-1$
						break;

					case REJECTED_MISSING_OBJECT:
					case OK:
						// We shouldn't have reached this case (see 'ok' case
						// above and if-statement above).
						throw new AssertionError();
					}
				}

				if (!reportStatus) {
					r.append(")"); //$NON-NLS-1$
				}
				out.sendString(r.toString());
			}
		} finally {
			if (reportStatus) {
				pckOut.end();
			}
		}
	}