Examples with MCRPath org.mycore.datamodel.niofs.MCRPath used on opensource projects

Example 21 with MCRPath

use of org.mycore.datamodel.niofs.MCRPath in project mycore by MyCoRe-Org.

the class MCRFileSystemProvider method delete.

/* (non-Javadoc)
     * @see java.nio.file.spi.FileSystemProvider#delete(java.nio.file.Path)
     */
@Override
public void delete(Path path) throws IOException {
    MCRPath mcrPath = MCRFileSystemUtils.checkPathAbsolute(path);
    MCRFilesystemNode child = resolvePath(mcrPath);
    if (child instanceof MCRDirectory) {
        if (((MCRDirectory) child).hasChildren()) {
            throw new DirectoryNotEmptyException(mcrPath.toString());
        }
    }
    try {
        child.delete();
    } catch (RuntimeException e) {
        throw new IOException("Could not delete: " + mcrPath, e);
    }
}

Example 22 with MCRPath

use of org.mycore.datamodel.niofs.MCRPath in project mycore by MyCoRe-Org.

the class MCRFileSystemProvider method copy.

/* (non-Javadoc)
     * @see java.nio.file.spi.FileSystemProvider#copy(java.nio.file.Path, java.nio.file.Path, java.nio.file.CopyOption[])
     */
@Override
public void copy(Path source, Path target, CopyOption... options) throws IOException {
    if (isSameFile(source, target)) {
        // that was easy
        return;
    }
    checkCopyOptions(options);
    HashSet<CopyOption> copyOptions = Sets.newHashSet(options);
    boolean createNew = !copyOptions.contains(StandardCopyOption.REPLACE_EXISTING);
    MCRPath src = MCRFileSystemUtils.checkPathAbsolute(source);
    MCRPath tgt = MCRFileSystemUtils.checkPathAbsolute(target);
    MCRFilesystemNode srcNode = resolvePath(src);
    // checkParent of target;
    if (tgt.getNameCount() == 0 && srcNode instanceof MCRDirectory) {
        MCRDirectory tgtDir = MCRDirectory.getRootDirectory(tgt.getOwner());
        if (tgtDir != null) {
            if (tgtDir.hasChildren() && copyOptions.contains(StandardCopyOption.REPLACE_EXISTING)) {
                throw new DirectoryNotEmptyException(tgt.toString());
            }
        } else {
            // TODO: handle StandardCopyOption.COPY_ATTRIBUTES
            tgtDir = new MCRDirectory(tgt.getOwner());
        }
        // created new root component
        return;
    }
    MCRDirectory tgtParentDir = (MCRDirectory) resolvePath(tgt.getParent());
    if (srcNode instanceof MCRFile) {
        MCRFile srcFile = (MCRFile) srcNode;
        MCRFile targetFile = MCRFileSystemUtils.getMCRFile(tgt, true, createNew);
        targetFile.setContentFrom(srcFile.getContentAsInputStream());
        if (copyOptions.contains(StandardCopyOption.COPY_ATTRIBUTES)) {
            @SuppressWarnings("unchecked") MCRMD5AttributeView<String> srcAttrView = Files.getFileAttributeView(src, MCRMD5AttributeView.class, (LinkOption[]) null);
            File targetLocalFile = targetFile.getLocalFile();
            BasicFileAttributeView targetBasicFileAttributeView = Files.getFileAttributeView(targetLocalFile.toPath(), BasicFileAttributeView.class);
            MCRFileAttributes<String> srcAttr = srcAttrView.readAllAttributes();
            targetFile.adjustMetadata(srcAttr.lastModifiedTime(), srcFile.getMD5(), srcFile.getSize());
            targetBasicFileAttributeView.setTimes(srcAttr.lastModifiedTime(), srcAttr.lastAccessTime(), srcAttr.creationTime());
        }
    } else if (srcNode instanceof MCRDirectory) {
        MCRFilesystemNode child = tgtParentDir.getChild(tgt.getFileName().toString());
        if (child != null) {
            if (!copyOptions.contains(StandardCopyOption.REPLACE_EXISTING)) {
                throw new FileAlreadyExistsException(tgtParentDir.toString(), tgt.getFileName().toString(), null);
            }
            if (child instanceof MCRFile) {
                throw new NotDirectoryException(tgt.toString());
            }
            MCRDirectory tgtDir = (MCRDirectory) child;
            if (tgtDir.hasChildren() && copyOptions.contains(StandardCopyOption.REPLACE_EXISTING)) {
                throw new DirectoryNotEmptyException(tgt.toString());
            }
        // TODO: handle StandardCopyOption.COPY_ATTRIBUTES
        } else {
            // simply create directory
            @SuppressWarnings("unused") MCRDirectory tgtDir = new MCRDirectory(tgt.getFileName().toString(), tgtParentDir);
        // TODO: handle StandardCopyOption.COPY_ATTRIBUTES
        }
    }
}

Example 23 with MCRPath

use of org.mycore.datamodel.niofs.MCRPath 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 24 with MCRPath

use of org.mycore.datamodel.niofs.MCRPath 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 25 with MCRPath

use of org.mycore.datamodel.niofs.MCRPath 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);
    }
}