Examples with FileOwnerAttributeView java.nio.file.attribute.FileOwnerAttributeView used on opensource projects

Example 1 with FileOwnerAttributeView

use of java.nio.file.attribute.FileOwnerAttributeView in project nifi by apache.

the class ListFile method createAttributes.

@Override
protected Map<String, String> createAttributes(final FileInfo fileInfo, final ProcessContext context) {
    final Map<String, String> attributes = new HashMap<>();
    final String fullPath = fileInfo.getFullPathFileName();
    final File file = new File(fullPath);
    final Path filePath = file.toPath();
    final Path directoryPath = new File(getPath(context)).toPath();
    final Path relativePath = directoryPath.toAbsolutePath().relativize(filePath.getParent());
    String relativePathString = relativePath.toString();
    relativePathString = relativePathString.isEmpty() ? "." + File.separator : relativePathString + File.separator;
    final Path absPath = filePath.toAbsolutePath();
    final String absPathString = absPath.getParent().toString() + File.separator;
    attributes.put(CoreAttributes.PATH.key(), relativePathString);
    attributes.put(CoreAttributes.FILENAME.key(), fileInfo.getFileName());
    attributes.put(CoreAttributes.ABSOLUTE_PATH.key(), absPathString);
    try {
        FileStore store = Files.getFileStore(filePath);
        if (store.supportsFileAttributeView("basic")) {
            try {
                final DateFormat formatter = new SimpleDateFormat(FILE_MODIFY_DATE_ATTR_FORMAT, Locale.US);
                BasicFileAttributeView view = Files.getFileAttributeView(filePath, BasicFileAttributeView.class);
                BasicFileAttributes attrs = view.readAttributes();
                attributes.put(FILE_SIZE_ATTRIBUTE, Long.toString(attrs.size()));
                attributes.put(FILE_LAST_MODIFY_TIME_ATTRIBUTE, formatter.format(new Date(attrs.lastModifiedTime().toMillis())));
                attributes.put(FILE_CREATION_TIME_ATTRIBUTE, formatter.format(new Date(attrs.creationTime().toMillis())));
                attributes.put(FILE_LAST_ACCESS_TIME_ATTRIBUTE, formatter.format(new Date(attrs.lastAccessTime().toMillis())));
            } catch (Exception ignore) {
            }
        // allow other attributes if these fail
        }
        if (store.supportsFileAttributeView("owner")) {
            try {
                FileOwnerAttributeView view = Files.getFileAttributeView(filePath, FileOwnerAttributeView.class);
                attributes.put(FILE_OWNER_ATTRIBUTE, view.getOwner().getName());
            } catch (Exception ignore) {
            }
        // allow other attributes if these fail
        }
        if (store.supportsFileAttributeView("posix")) {
            try {
                PosixFileAttributeView view = Files.getFileAttributeView(filePath, PosixFileAttributeView.class);
                attributes.put(FILE_PERMISSIONS_ATTRIBUTE, PosixFilePermissions.toString(view.readAttributes().permissions()));
                attributes.put(FILE_GROUP_ATTRIBUTE, view.readAttributes().group().getName());
            } catch (Exception ignore) {
            }
        // allow other attributes if these fail
        }
    } catch (IOException ioe) {
        // well then this FlowFile gets none of these attributes
        getLogger().warn("Error collecting attributes for file {}, message is {}", new Object[] { absPathString, ioe.getMessage() });
    }
    return attributes;
}

Example 2 with FileOwnerAttributeView

use of java.nio.file.attribute.FileOwnerAttributeView in project nifi by apache.

the class GetFile method getAttributesFromFile.

protected Map<String, String> getAttributesFromFile(final Path file) {
    Map<String, String> attributes = new HashMap<>();
    try {
        FileStore store = Files.getFileStore(file);
        if (store.supportsFileAttributeView("basic")) {
            try {
                final DateFormat formatter = new SimpleDateFormat(FILE_MODIFY_DATE_ATTR_FORMAT, Locale.US);
                BasicFileAttributeView view = Files.getFileAttributeView(file, BasicFileAttributeView.class);
                BasicFileAttributes attrs = view.readAttributes();
                attributes.put(FILE_LAST_MODIFY_TIME_ATTRIBUTE, formatter.format(new Date(attrs.lastModifiedTime().toMillis())));
                attributes.put(FILE_CREATION_TIME_ATTRIBUTE, formatter.format(new Date(attrs.creationTime().toMillis())));
                attributes.put(FILE_LAST_ACCESS_TIME_ATTRIBUTE, formatter.format(new Date(attrs.lastAccessTime().toMillis())));
            } catch (Exception ignore) {
            }
        // allow other attributes if these fail
        }
        if (store.supportsFileAttributeView("owner")) {
            try {
                FileOwnerAttributeView view = Files.getFileAttributeView(file, FileOwnerAttributeView.class);
                attributes.put(FILE_OWNER_ATTRIBUTE, view.getOwner().getName());
            } catch (Exception ignore) {
            }
        // allow other attributes if these fail
        }
        if (store.supportsFileAttributeView("posix")) {
            try {
                PosixFileAttributeView view = Files.getFileAttributeView(file, PosixFileAttributeView.class);
                attributes.put(FILE_PERMISSIONS_ATTRIBUTE, PosixFilePermissions.toString(view.readAttributes().permissions()));
                attributes.put(FILE_GROUP_ATTRIBUTE, view.readAttributes().group().getName());
            } catch (Exception ignore) {
            }
        // allow other attributes if these fail
        }
    } catch (IOException ioe) {
    // well then this FlowFile gets none of these attributes
    }
    return attributes;
}

Example 3 with FileOwnerAttributeView

use of java.nio.file.attribute.FileOwnerAttributeView in project cryptofs by cryptomator.

the class CryptoFileSystemImpl method copyAttributes.

private void copyAttributes(Path src, Path dst) throws IOException {
    Set<Class<? extends FileAttributeView>> supportedAttributeViewTypes = fileStore.supportedFileAttributeViewTypes();
    if (supportedAttributeViewTypes.contains(BasicFileAttributeView.class)) {
        BasicFileAttributes srcAttrs = Files.readAttributes(src, BasicFileAttributes.class);
        BasicFileAttributeView dstAttrView = Files.getFileAttributeView(dst, BasicFileAttributeView.class);
        dstAttrView.setTimes(srcAttrs.lastModifiedTime(), srcAttrs.lastAccessTime(), srcAttrs.creationTime());
    }
    if (supportedAttributeViewTypes.contains(FileOwnerAttributeView.class)) {
        FileOwnerAttributeView srcAttrView = Files.getFileAttributeView(src, FileOwnerAttributeView.class);
        FileOwnerAttributeView dstAttrView = Files.getFileAttributeView(dst, FileOwnerAttributeView.class);
        dstAttrView.setOwner(srcAttrView.getOwner());
    }
    if (supportedAttributeViewTypes.contains(PosixFileAttributeView.class)) {
        PosixFileAttributes srcAttrs = Files.readAttributes(src, PosixFileAttributes.class);
        PosixFileAttributeView dstAttrView = Files.getFileAttributeView(dst, PosixFileAttributeView.class);
        dstAttrView.setGroup(srcAttrs.group());
        dstAttrView.setPermissions(srcAttrs.permissions());
    }
    if (supportedAttributeViewTypes.contains(DosFileAttributeView.class)) {
        DosFileAttributes srcAttrs = Files.readAttributes(src, DosFileAttributes.class);
        DosFileAttributeView dstAttrView = Files.getFileAttributeView(dst, DosFileAttributeView.class);
        dstAttrView.setArchive(srcAttrs.isArchive());
        dstAttrView.setHidden(srcAttrs.isHidden());
        dstAttrView.setReadOnly(srcAttrs.isReadOnly());
        dstAttrView.setSystem(srcAttrs.isSystem());
    }
}

Example 4 with FileOwnerAttributeView

use of java.nio.file.attribute.FileOwnerAttributeView in project fess-crawler by codelibs.

the class FileSystemClient method getResponseData.

protected ResponseData getResponseData(final String uri, final boolean includeContent) {
    final ResponseData responseData = new ResponseData();
    try {
        responseData.setMethod(Constants.GET_METHOD);
        final String filePath = preprocessUri(uri);
        responseData.setUrl(filePath);
        File file = null;
        try {
            file = new File(new URI(filePath));
        } catch (final URISyntaxException e) {
            logger.warn("Could not parse url: " + filePath, e);
        }
        if (file == null) {
            responseData.setHttpStatusCode(Constants.NOT_FOUND_STATUS_CODE);
            responseData.setCharSet(charset);
            responseData.setContentLength(0);
        } else if (file.isFile()) {
            // check file size
            responseData.setContentLength(file.length());
            checkMaxContentLength(responseData);
            try {
                final FileOwnerAttributeView ownerAttrView = Files.getFileAttributeView(file.toPath(), FileOwnerAttributeView.class);
                if (ownerAttrView != null) {
                    UserPrincipal owner = ownerAttrView.getOwner();
                    if (owner != null) {
                        responseData.addMetaData(FS_FILE_USER, owner.getName());
                    }
                }
            } catch (Exception e) {
                logger.warn("Failed to parse FileOwnerAttributeView.", e);
            }
            try {
                final AclFileAttributeView aclView = Files.getFileAttributeView(file.toPath(), AclFileAttributeView.class);
                if (aclView != null) {
                    responseData.addMetaData(FILE_ATTRIBUTE_VIEW, aclView);
                    responseData.addMetaData(FS_FILE_GROUPS, aclView.getAcl().stream().map(acl -> acl.principal().getName()).toArray(n -> new String[n]));
                }
            } catch (Exception e) {
                logger.warn("Failed to parse AclFileAttributeView.", e);
            }
            try {
                final PosixFileAttributeView posixView = Files.getFileAttributeView(file.toPath(), PosixFileAttributeView.class);
                if (posixView != null) {
                    responseData.addMetaData(FILE_ATTRIBUTE_VIEW, posixView);
                    responseData.addMetaData(FS_FILE_GROUPS, new String[] { posixView.readAttributes().group().getName() });
                }
            } catch (Exception e) {
                logger.warn("Failed to parse PosixFileAttributeView.", e);
            }
            responseData.setHttpStatusCode(Constants.OK_STATUS_CODE);
            responseData.setCharSet(geCharSet(file));
            responseData.setLastModified(new Date(file.lastModified()));
            if (file.canRead()) {
                final MimeTypeHelper mimeTypeHelper = crawlerContainer.getComponent("mimeTypeHelper");
                try (final InputStream is = new BufferedInputStream(new FileInputStream(file))) {
                    responseData.setMimeType(mimeTypeHelper.getContentType(is, file.getName()));
                } catch (final Exception e) {
                    responseData.setMimeType(mimeTypeHelper.getContentType(null, file.getName()));
                }
                if (contentLengthHelper != null) {
                    final long maxLength = contentLengthHelper.getMaxLength(responseData.getMimeType());
                    if (responseData.getContentLength() > maxLength) {
                        throw new MaxLengthExceededException("The content length (" + responseData.getContentLength() + " byte) is over " + maxLength + " byte. The url is " + filePath);
                    }
                }
                if (includeContent) {
                    if (file.length() < maxCachedContentSize) {
                        try (InputStream contentStream = new BufferedInputStream(new FileInputStream(file))) {
                            responseData.setResponseBody(InputStreamUtil.getBytes(contentStream));
                        } catch (final Exception e) {
                            logger.warn("I/O Exception.", e);
                            responseData.setHttpStatusCode(Constants.SERVER_ERROR_STATUS_CODE);
                        }
                    } else {
                        responseData.setResponseBody(file, false);
                    }
                }
            } else {
                // Forbidden
                responseData.setHttpStatusCode(Constants.FORBIDDEN_STATUS_CODE);
                responseData.setMimeType(APPLICATION_OCTET_STREAM);
            }
        } else if (file.isDirectory()) {
            final Set<RequestData> requestDataSet = new HashSet<>();
            if (includeContent) {
                final File[] files = file.listFiles();
                if (files != null) {
                    for (final File f : files) {
                        final String chileUri = f.toURI().toASCIIString();
                        requestDataSet.add(RequestDataBuilder.newRequestData().get().url(chileUri).build());
                    }
                }
            }
            throw new ChildUrlsException(requestDataSet, this.getClass().getName() + "#getResponseData");
        } else {
            responseData.setHttpStatusCode(Constants.NOT_FOUND_STATUS_CODE);
            responseData.setCharSet(charset);
            responseData.setContentLength(0);
        }
    } catch (final CrawlerSystemException e) {
        CloseableUtil.closeQuietly(responseData);
        throw e;
    } catch (final Exception e) {
        CloseableUtil.closeQuietly(responseData);
        throw new CrawlingAccessException("Could not access " + uri, e);
    }
    return responseData;
}

Example 5 with FileOwnerAttributeView

use of java.nio.file.attribute.FileOwnerAttributeView in project jimfs by google.

the class OwnerAttributeProviderTest method testView.

@Test
public void testView() throws IOException {
    FileOwnerAttributeView view = provider.view(fileLookup(), NO_INHERITED_VIEWS);
    assertThat(view).isNotNull();
    assertThat(view.name()).isEqualTo("owner");
    assertThat(view.getOwner()).isEqualTo(createUserPrincipal("user"));
    view.setOwner(createUserPrincipal("root"));
    assertThat(view.getOwner()).isEqualTo(createUserPrincipal("root"));
    assertThat(file.getAttribute("owner", "owner")).isEqualTo(createUserPrincipal("root"));
}