Examples with MCRFilesystemNode org.mycore.datamodel.ifs.MCRFilesystemNode used on opensource projects

Example 6 with MCRFilesystemNode

use of org.mycore.datamodel.ifs.MCRFilesystemNode in project mycore by MyCoRe-Org.

the class MCRFileSystemProvider method getParentDirectory.

private static MCRDirectory getParentDirectory(MCRPath mcrPath) throws NoSuchFileException, NotDirectoryException {
    if (mcrPath.getNameCount() == 0) {
        throw new IllegalArgumentException("Root component has no parent: " + mcrPath);
    }
    MCRDirectory rootDirectory = getRootDirectory(mcrPath);
    if (mcrPath.getNameCount() == 1) {
        return rootDirectory;
    }
    MCRPath parentPath = mcrPath.getParent();
    MCRFilesystemNode parentNode = rootDirectory.getChildByPath(getAbsolutePathFromRootComponent(parentPath).toString());
    if (parentNode == null) {
        throw new NoSuchFileException(rootDirectory.toPath().toString(), getAbsolutePathFromRootComponent(mcrPath).toString(), "Parent directory does not exists.");
    }
    if (parentNode instanceof MCRFile) {
        throw new NotDirectoryException(parentNode.toPath().toString());
    }
    MCRDirectory parentDir = (MCRDirectory) parentNode;
    // warm-up cache
    parentDir.getChildren();
    return parentDir;
}

Example 7 with MCRFilesystemNode

use of org.mycore.datamodel.ifs.MCRFilesystemNode in project mycore by MyCoRe-Org.

the class MCRFileSystemProvider method readAttributes.

/* (non-Javadoc)
     * @see java.nio.file.spi.FileSystemProvider#readAttributes(java.nio.file.Path, java.lang.Class, java.nio.file.LinkOption[])
     */
@SuppressWarnings("unchecked")
@Override
public <A extends BasicFileAttributes> A readAttributes(Path path, Class<A> type, LinkOption... options) throws IOException {
    MCRPath mcrPath = MCRFileSystemUtils.checkPathAbsolute(path);
    MCRFilesystemNode node = resolvePath(mcrPath);
    // must support BasicFileAttributeView
    if (type == BasicFileAttributes.class || type == MCRFileAttributes.class) {
        return (A) MCRBasicFileAttributeViewImpl.readAttributes(node);
    }
    return null;
}

Example 8 with MCRFilesystemNode

use of org.mycore.datamodel.ifs.MCRFilesystemNode in project mycore by MyCoRe-Org.

the class MCRFileSystemProvider method checkAccess.

/* (non-Javadoc)
     * @see java.nio.file.spi.FileSystemProvider#checkAccess(java.nio.file.Path, java.nio.file.AccessMode[])
     */
@Override
public void checkAccess(Path path, AccessMode... modes) throws IOException {
    MCRPath mcrPath = MCRFileSystemUtils.checkPathAbsolute(path);
    MCRFilesystemNode node = resolvePath(mcrPath);
    if (node == null) {
        throw new NoSuchFileException(mcrPath.toString());
    }
    if (node instanceof MCRDirectory) {
        checkDirectory((MCRDirectory) node, modes);
    } else {
        checkFile((MCRFile) node, modes);
    }
}

Example 9 with MCRFilesystemNode

use of org.mycore.datamodel.ifs.MCRFilesystemNode in project mycore by MyCoRe-Org.

the class MCRFileSystemProvider method getFileStore.

/* (non-Javadoc)
     * @see java.nio.file.spi.FileSystemProvider#getFileStore(java.nio.file.Path)
     */
@Override
public FileStore getFileStore(Path path) throws IOException {
    MCRPath mcrPath = MCRFileSystemUtils.checkPathAbsolute(path);
    if (mcrPath.getNameCount() > 0) {
        MCRFilesystemNode node = resolvePath(mcrPath);
        if (node instanceof MCRFile) {
            MCRFile file = (MCRFile) node;
            String storeID = file.getStoreID();
            return MCRFileStore.getInstance(storeID);
        }
    }
    return MCRFileStore.getInstance(MCRContentStoreFactory.getDefaultStore().getID());
}

Example 10 with MCRFilesystemNode

use of org.mycore.datamodel.ifs.MCRFilesystemNode in project mycore by MyCoRe-Org.

the class MCRFileSystemUtils method getMCRFile.

static MCRFile getMCRFile(MCRDirectory baseDir, MCRPath relativePath, boolean create, boolean createNew) throws IOException {
    MCRPath ifsPath = relativePath;
    if (relativePath.isAbsolute()) {
        if (baseDir.getOwnerID().equals(relativePath.getOwner())) {
            ifsPath = baseDir.toPath().relativize(relativePath);
        } else
            throw new IOException(relativePath + " is absolute does not fit to " + baseDir.toPath());
    }
    Deque<MCRFilesystemNode> created = new LinkedList<>();
    MCRFile file;
    try {
        file = (MCRFile) baseDir.getChildByPath(ifsPath.toString());
        if (file != null && createNew) {
            throw new FileAlreadyExistsException(baseDir.toPath().resolve(ifsPath).toString());
        }
        if (file == null & (create || createNew)) {
            Path normalized = ifsPath.normalize();
            MCRDirectory parent = baseDir;
            int nameCount = normalized.getNameCount();
            int directoryCount = nameCount - 1;
            int i = 0;
            while (i < directoryCount) {
                String curName = normalized.getName(i).toString();
                MCRDirectory curDir = (MCRDirectory) parent.getChild(curName);
                if (curDir == null) {
                    curDir = new MCRDirectory(curName, parent);
                    created.addFirst(curDir);
                }
                i++;
                parent = curDir;
            }
            String fileName = normalized.getFileName().toString();
            file = new MCRFile(fileName, parent);
            // false -> no event handler
            file.setContentFrom(new ByteArrayInputStream(new byte[0]), false);
            created.addFirst(file);
        }
    } catch (Exception e) {
        if (create || createNew) {
            LOGGER.error("Exception while getting MCRFile {}. Removing created filesystem nodes.", ifsPath);
            while (created.peekFirst() != null) {
                MCRFilesystemNode node = created.pollFirst();
                try {
                    node.delete();
                } catch (Exception de) {
                    LOGGER.fatal("Error while deleting file system node: {}", node.getName(), de);
                }
            }
        }
        throw e;
    }
    return file;
}