Examples with FileObject org.apache.commons.vfs2.FileObject used on opensource projects

Example 16 with FileObject

use of org.apache.commons.vfs2.FileObject in project jackrabbit by apache.

the class VFSBackend method deleteRecord.

/**
     * {@inheritDoc}
     */
@Override
public void deleteRecord(DataIdentifier identifier) throws DataStoreException {
    FileObject fileObject = getExistingFileObject(identifier);
    if (fileObject != null) {
        deleteRecordFileObject(fileObject);
        deleteEmptyParentFolders(fileObject);
    }
}

Example 17 with FileObject

use of org.apache.commons.vfs2.FileObject in project jackrabbit by apache.

the class VFSBackend method getTouchFileObject.

/**
     * Returns the touch file for the fileObject.
     * If there's no corresponding touch file existing, then returns null when {@code create} is false.
     * When {@code create} is true, it creates a new touch file if no corresponding touch file exists.
     *
     * @param fileObject file object
     * @param create create a touch file if not existing
     * @return touch file object
     * @throws DataStoreException if any file system exception occurs
     */
protected FileObject getTouchFileObject(FileObject fileObject, boolean create) throws DataStoreException {
    try {
        FileObject folderObject = fileObject.getParent();
        String touchFileName = fileObject.getName().getBaseName() + TOUCH_FILE_NAME_SUFFIX;
        FileObject touchFileObject = folderObject.getChild(touchFileName);
        if (touchFileObject == null && create) {
            touchFileObject = folderObject.resolveFile(touchFileName);
            touchFileObject.createFile();
            touchFileObject = folderObject.getChild(touchFileName);
        }
        return touchFileObject;
    } catch (FileSystemException e) {
        throw new DataStoreException("Touch file object not resolved: " + fileObject.getName().getFriendlyURI(), e);
    }
}

Example 18 with FileObject

use of org.apache.commons.vfs2.FileObject in project jackrabbit by apache.

the class VFSBackend method deleteOlderRecursive.

/**
     * Deletes any descendant record files under {@code folderObject} if the record files are older than {@code timestamp},
     * and push all the deleted record identifiers into {@code deleteIdSet}.
     * @param deleteIdSet set to store all the deleted record identifiers
     * @param folderObject folder object to start with
     * @param timestamp timestamp
     * @throws FileSystemException if any file system exception occurs
     * @throws DataStoreException if any file system exception occurs
     */
private void deleteOlderRecursive(Set<DataIdentifier> deleteIdSet, FileObject folderObject, long timestamp) throws FileSystemException, DataStoreException {
    FileType type;
    DataIdentifier identifier;
    for (FileObject fileObject : VFSUtils.getChildFileOrFolders(folderObject)) {
        type = fileObject.getType();
        if (type == FileType.FOLDER) {
            deleteOlderRecursive(deleteIdSet, fileObject, timestamp);
            synchronized (this) {
                if (!VFSUtils.hasAnyChildFileOrFolder(fileObject)) {
                    fileObject.delete();
                }
            }
        } else if (type == FileType.FILE) {
            long lastModified = getLastModifiedTime(fileObject);
            if (lastModified < timestamp) {
                identifier = new DataIdentifier(fileObject.getName().getBaseName());
                if (getDataStore().confirmDelete(identifier)) {
                    getDataStore().deleteFromCache(identifier);
                    if (LOG.isInfoEnabled()) {
                        LOG.info("Deleting old file " + fileObject.getName().getFriendlyURI() + " modified: " + new Timestamp(lastModified).toString() + " length: " + fileObject.getContent().getSize());
                    }
                    if (deleteRecordFileObject(fileObject)) {
                        deleteIdSet.add(identifier);
                    } else {
                        LOG.warn("Failed to delete old file " + fileObject.getName().getFriendlyURI());
                    }
                }
            }
        }
    }
}

Example 19 with FileObject

use of org.apache.commons.vfs2.FileObject in project jackrabbit by apache.

the class VFSBackend method deleteEmptyParentFolders.

/**
     * Deletes the parent folders of {@code fileObject} if a parent folder is empty.
     * @param fileObject fileObject to start with
     * @throws DataStoreException if any file system exception occurs
     */
private void deleteEmptyParentFolders(FileObject fileObject) throws DataStoreException {
    try {
        String baseFolderUri = getBaseFolderObject().getName().getFriendlyURI() + "/";
        FileObject parentFolder = fileObject.getParent();
        // child of the base directory and if it is empty
        while (parentFolder.getName().getFriendlyURI().startsWith(baseFolderUri)) {
            if (VFSUtils.hasAnyChildFileOrFolder(parentFolder)) {
                break;
            }
            boolean deleted = parentFolder.delete();
            LOG.debug("Deleted parent folder [{}] of file [{}]: {}", new Object[] { parentFolder, fileObject.getName().getFriendlyURI(), deleted });
            parentFolder = parentFolder.getParent();
        }
    } catch (IOException e) {
        LOG.warn("Error in parents deletion for " + fileObject.getName().getFriendlyURI(), e);
    }
}

Example 20 with FileObject

use of org.apache.commons.vfs2.FileObject in project jackrabbit by apache.

the class VFSUtils method getChildrenOfTypes.

private static List<FileObject> getChildrenOfTypes(FileObject folderObject, Set<FileType> fileTypes) throws DataStoreException {
    try {
        String folderBaseName = folderObject.getName().getBaseName();
        FileObject[] children = folderObject.getChildren();
        List<FileObject> files = new ArrayList<FileObject>(children.length);
        String childBaseName;
        for (int i = 0; i < children.length; i++) {
            childBaseName = children[i].getName().getBaseName();
            FileType fileType = null;
            try {
                fileType = children[i].getType();
            } catch (FileSystemException notDetermineTypeEx) {
                if (folderBaseName.equals(childBaseName)) {
                // Ignore this case.
                // Some WebDAV server or VFS seems to include the folder itself as child as imaginary file type,
                // and throw FileSystemException saying "Could not determine the type of file" in this case.
                } else {
                    throw notDetermineTypeEx;
                }
            }
            if (fileType != null && fileTypes.contains(fileType)) {
                files.add(children[i]);
            }
        }
        return files;
    } catch (FileSystemException e) {
        throw new DataStoreException("Could not find children under " + folderObject.getName().getFriendlyURI(), e);
    }
}