Examples with FileSystemException org.apache.jackrabbit.core.fs.FileSystemException used on opensource projects

Example 11 with FileSystemException

use of org.apache.jackrabbit.core.fs.FileSystemException in project jackrabbit by apache.

the class DatabaseFileSystem method getInputStream.

/**
     * {@inheritDoc}
     */
public InputStream getInputStream(String filePath) throws FileSystemException {
    if (!initialized) {
        throw new IllegalStateException("not initialized");
    }
    FileSystemPathUtil.checkFormat(filePath);
    String parentDir = FileSystemPathUtil.getParentDir(filePath);
    String name = FileSystemPathUtil.getName(filePath);
    synchronized (selectDataSQL) {
        try {
            final ResultSet rs = conHelper.exec(selectDataSQL, new Object[] { parentDir, name }, false, 0);
            if (!rs.next()) {
                throw new FileSystemException("no such file: " + filePath);
            }
            InputStream in = rs.getBinaryStream(1);
            /**
                 * return an InputStream wrapper in order to
                 * close the ResultSet when the stream is closed
                 */
            return new FilterInputStream(in) {

                public void close() throws IOException {
                    super.close();
                    // close ResultSet
                    DbUtility.close(rs);
                }
            };
        } catch (SQLException e) {
            String msg = "failed to retrieve data of file: " + filePath;
            log.error(msg, e);
            throw new FileSystemException(msg, e);
        }
    }
}

Example 12 with FileSystemException

use of org.apache.jackrabbit.core.fs.FileSystemException in project jackrabbit by apache.

the class DatabaseFileSystem method listFiles.

/**
     * {@inheritDoc}
     */
public String[] listFiles(String folderPath) throws FileSystemException {
    if (!initialized) {
        throw new IllegalStateException("not initialized");
    }
    FileSystemPathUtil.checkFormat(folderPath);
    if (!isFolder(folderPath)) {
        throw new FileSystemException("no such folder: " + folderPath);
    }
    synchronized (selectFileNamesSQL) {
        ResultSet rs = null;
        try {
            rs = conHelper.exec(selectFileNamesSQL, new Object[] { folderPath }, false, 0);
            ArrayList<String> names = new ArrayList<String>();
            while (rs.next()) {
                names.add(rs.getString(1));
            }
            return names.toArray(new String[names.size()]);
        } catch (SQLException e) {
            String msg = "failed to list file entries of folder: " + folderPath;
            log.error(msg, e);
            throw new FileSystemException(msg, e);
        } finally {
            DbUtility.close(rs);
        }
    }
}

Example 13 with FileSystemException

use of org.apache.jackrabbit.core.fs.FileSystemException in project jackrabbit by apache.

the class DatabaseFileSystem method length.

/**
     * {@inheritDoc}
     */
public long length(String filePath) throws FileSystemException {
    if (!initialized) {
        throw new IllegalStateException("not initialized");
    }
    FileSystemPathUtil.checkFormat(filePath);
    String parentDir = FileSystemPathUtil.getParentDir(filePath);
    String name = FileSystemPathUtil.getName(filePath);
    synchronized (selectLengthSQL) {
        ResultSet rs = null;
        try {
            rs = conHelper.exec(selectLengthSQL, new Object[] { parentDir, name }, false, 0);
            if (!rs.next()) {
                throw new FileSystemException("no such file: " + filePath);
            }
            return rs.getLong(1);
        } catch (SQLException e) {
            String msg = "failed to determine length of file: " + filePath;
            log.error(msg, e);
            throw new FileSystemException(msg, e);
        } finally {
            DbUtility.close(rs);
        }
    }
}

Example 14 with FileSystemException

use of org.apache.jackrabbit.core.fs.FileSystemException in project jackrabbit by apache.

the class DatabaseFileSystem method deleteFolder.

/**
     * {@inheritDoc}
     */
public void deleteFolder(String folderPath) throws FileSystemException {
    if (!initialized) {
        throw new IllegalStateException("not initialized");
    }
    FileSystemPathUtil.checkFormat(folderPath);
    if (folderPath.equals(FileSystem.SEPARATOR)) {
        throw new FileSystemException("cannot delete root");
    }
    String parentDir = FileSystemPathUtil.getParentDir(folderPath);
    String name = FileSystemPathUtil.getName(folderPath);
    int count = 0;
    synchronized (deleteFolderSQL) {
        try {
            count = conHelper.update(deleteFolderSQL, new Object[] { parentDir, name, folderPath, folderPath + FileSystem.SEPARATOR + "%" });
        } catch (SQLException e) {
            String msg = "failed to delete folder: " + folderPath;
            log.error(msg, e);
            throw new FileSystemException(msg, e);
        }
    }
    if (count == 0) {
        throw new FileSystemException("no such folder: " + folderPath);
    }
}

Example 15 with FileSystemException

use of org.apache.jackrabbit.core.fs.FileSystemException in project jackrabbit by apache.

the class DatabaseFileSystem method isFile.

/**
     * {@inheritDoc}
     */
public boolean isFile(String path) throws FileSystemException {
    if (!initialized) {
        throw new IllegalStateException("not initialized");
    }
    FileSystemPathUtil.checkFormat(path);
    String parentDir = FileSystemPathUtil.getParentDir(path);
    String name = FileSystemPathUtil.getName(path);
    synchronized (selectFileExistSQL) {
        ResultSet rs = null;
        try {
            rs = conHelper.exec(selectFileExistSQL, new Object[] { parentDir, name }, false, 0);
            // a file exists if the result set has at least one entry
            return rs.next();
        } catch (SQLException e) {
            String msg = "failed to check existence of file: " + path;
            log.error(msg, e);
            throw new FileSystemException(msg, e);
        } finally {
            DbUtility.close(rs);
        }
    }
}