protected void onClose()

in commons-vfs2-jackrabbit1/src/main/java/org/apache/commons/vfs2/provider/webdav/WebdavFileObject.java [111:195]
82 lines of code
19 McCabe index (conditional complexity)

        protected void onClose() throws IOException {
            final RequestEntity entity = new ByteArrayRequestEntity(((ByteArrayOutputStream) out).toByteArray());
            final URLFileName fileName = (URLFileName) getName();
            final String urlStr = toUrlString(fileName);
            if (builder.isVersioning(getFileSystem().getFileSystemOptions())) {
                DavPropertySet set = null;
                boolean fileExists = true;
                boolean isCheckedIn = true;
                try {
                    set = getPropertyNames(fileName);
                } catch (final FileNotFoundException fnfe) {
                    fileExists = false;
                }
                if (fileExists && set != null) {
                    if (set.contains(VersionControlledResource.CHECKED_OUT)) {
                        isCheckedIn = false;
                    } else if (!set.contains(VersionControlledResource.CHECKED_IN)) {
                        DavProperty prop = set.get(VersionControlledResource.AUTO_VERSION);
                        if (prop != null) {
                            prop = getProperty(fileName, VersionControlledResource.AUTO_VERSION);
                            if (DeltaVConstants.XML_CHECKOUT_CHECKIN.equals(prop.getValue())) {
                                createVersion(urlStr);
                            }
                        }
                    }
                }
                if (fileExists && isCheckedIn) {
                    try {
                        final CheckoutMethod checkout = new CheckoutMethod(urlStr);
                        setupMethod(checkout);
                        execute(checkout);
                        isCheckedIn = false;
                    } catch (final FileSystemException ex) {
                        log(ex);
                    }
                }

                try {
                    final PutMethod method = new PutMethod(urlStr);
                    method.setRequestEntity(entity);
                    setupMethod(method);
                    execute(method);
                    setUserName(fileName, urlStr);
                } catch (final FileSystemException ex) {
                    if (!isCheckedIn) {
                        try {
                            final UncheckoutMethod method = new UncheckoutMethod(urlStr);
                            setupMethod(method);
                            execute(method);
                            isCheckedIn = true;
                        } catch (final Exception e) {
                            // Going to throw original.
                            log(e);
                        }
                        throw ex;
                    }
                }
                if (!fileExists) {
                    createVersion(urlStr);
                    try {
                        final DavPropertySet props = getPropertyNames(fileName);
                        isCheckedIn = !props.contains(VersionControlledResource.CHECKED_OUT);
                    } catch (final FileNotFoundException fnfe) {
                        log(fnfe);
                    }
                }
                if (!isCheckedIn) {
                    final CheckinMethod checkin = new CheckinMethod(urlStr);
                    setupMethod(checkin);
                    execute(checkin);
                }
            } else {
                final PutMethod method = new PutMethod(urlStr);
                method.setRequestEntity(entity);
                setupMethod(method);
                execute(method);
                try {
                    setUserName(fileName, urlStr);
                } catch (final IOException e) {
                    // Unable to set the user name.
                    log(e);
                }
            }
            ((DefaultFileContent) this.file.getContent()).resetAttributes();
        }