Examples of org.apache.jackrabbit.core.fs.FileSystemException

org.apache.jackrabbit.core.fs.FileSystemException
The FileSystemException signals an error within a file system operation. FileSystemExceptions are thrown by {@link FileSystem}implementations.

                // 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 {
                closeResultSet(rs);
            }
        }
    }

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                // a folder exists if the result set has at least one entry
                return rs.next();
            } catch (SQLException e) {
                String msg = "failed to check existence of folder: " + path;
                log.error(msg, e);
                throw new FileSystemException(msg, e);
            } finally {
                closeResultSet(rs);
            }
        }
    }

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            try {
                Statement stmt = executeStmt(
                        selectLastModifiedSQL, new Object[]{parentDir, name});
                rs = stmt.getResultSet();
                if (!rs.next()) {
                    throw new FileSystemException("no such file system entry: " + path);
                }
                return rs.getLong(1);
            } catch (SQLException e) {
                String msg = "failed to determine lastModified of file system entry: " + path;
                log.error(msg, e);
                throw new FileSystemException(msg, e);
            } finally {
                closeResultSet(rs);
            }
        }
    }

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            try {
                Statement stmt = executeStmt(
                        selectLengthSQL, new Object[]{parentDir, name});
                rs = stmt.getResultSet();
                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 {
                closeResultSet(rs);
            }
        }
    }

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        }


        FileSystemPathUtil.checkFormat(path);


        if (!exists(path)) {
            throw new FileSystemException("no such file system entry: " + path);
        }


        synchronized (selectChildCountSQL) {
            ResultSet rs = null;
            try {
                Statement stmt = executeStmt(selectChildCountSQL, new Object[]{path});
                rs = stmt.getResultSet();
                if (!rs.next()) {
                    return false;
                }
                int count = rs.getInt(1);
                if (FileSystemPathUtil.denotesRoot(path)) {
                    // ingore file system root entry
                    count--;
                }
                return (count > 0);
            } catch (SQLException e) {
                String msg = "failed to determine child count of file system entry: " + path;
                log.error(msg, e);
                throw new FileSystemException(msg, e);
            } finally {
                closeResultSet(rs);
            }
        }
    }

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        }


        FileSystemPathUtil.checkFormat(folderPath);


        if (!isFolder(folderPath)) {
            throw new FileSystemException("no such folder: " + folderPath);
        }


        synchronized (selectFileAndFolderNamesSQL) {
            ResultSet rs = null;
            try {
                Statement stmt = executeStmt(
                        selectFileAndFolderNamesSQL, new Object[]{folderPath});
                rs = stmt.getResultSet();
                ArrayList names = new ArrayList();
                while (rs.next()) {
                    String name = rs.getString(1);
                    if (name.length() == 0
                            && FileSystemPathUtil.denotesRoot(folderPath)) {
                        // this is the file system root entry, skip...
                        continue;
                    }
                    names.add(name);
                }
                return (String[]) names.toArray(new String[names.size()]);
            } catch (SQLException e) {
                String msg = "failed to list child entries of folder: " + folderPath;
                log.error(msg, e);
                throw new FileSystemException(msg, e);
            } finally {
                closeResultSet(rs);
            }
        }
    }

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        }


        FileSystemPathUtil.checkFormat(folderPath);


        if (!isFolder(folderPath)) {
            throw new FileSystemException("no such folder: " + folderPath);
        }


        synchronized (selectFileNamesSQL) {
            ResultSet rs = null;
            try {
                Statement stmt = executeStmt(
                        selectFileNamesSQL, new Object[]{folderPath});
                rs = stmt.getResultSet();
                ArrayList names = new ArrayList();
                while (rs.next()) {
                    names.add(rs.getString(1));
                }
                return (String[]) 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 {
                closeResultSet(rs);
            }
        }
    }

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        }


        FileSystemPathUtil.checkFormat(folderPath);


        if (!isFolder(folderPath)) {
            throw new FileSystemException("no such folder: " + folderPath);
        }


        synchronized (selectFolderNamesSQL) {
            ResultSet rs = null;
            try {
                Statement stmt = executeStmt(
                        selectFolderNamesSQL, new Object[]{folderPath});
                rs = stmt.getResultSet();
                ArrayList names = new ArrayList();
                while (rs.next()) {
                    String name = rs.getString(1);
                    if (name.length() == 0
                            && FileSystemPathUtil.denotesRoot(folderPath)) {
                        // this is the file system root entry, skip...
                        continue;
                    }
                    names.add(name);
                }
                return (String[]) names.toArray(new String[names.size()]);
            } catch (SQLException e) {
                String msg = "failed to list folder entries of folder: " + folderPath;
                log.error(msg, e);
                throw new FileSystemException(msg, e);
            } finally {
                closeResultSet(rs);
            }
        }
    }

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                        name});
                count = stmt.getUpdateCount();
            } catch (SQLException e) {
                String msg = "failed to touch file: " + filePath;
                log.error(msg, e);
                throw new FileSystemException(msg, e);
            }
        }


        if (count == 0) {
            throw new FileSystemException("no such file: " + filePath);
        }
    }

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                Statement stmt = executeStmt(
                        selectDataSQL, new Object[]{parentDir, name});


                final ResultSet rs = stmt.getResultSet();
                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
                        closeResultSet(rs);
                    }
                };
            } catch (SQLException e) {
                String msg = "failed to retrieve data of file: " + filePath;
                log.error(msg, e);
                throw new FileSystemException(msg, e);
            }
        }
    }

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