Examples with JsonObject org.json.simple.JsonObject used on opensource projects

Example 6 with JsonObject

use of org.json.simple.JsonObject in project hadoop by apache.

the class HttpFSFileSystem method mkdirs.

/**
   * Make the given file and all non-existent parents into
   * directories. Has the semantics of Unix 'mkdir -p'.
   * Existence of the directory hierarchy is not an error.
   */
@Override
public boolean mkdirs(Path f, FsPermission permission) throws IOException {
    Map<String, String> params = new HashMap<String, String>();
    params.put(OP_PARAM, Operation.MKDIRS.toString());
    params.put(PERMISSION_PARAM, permissionToString(permission));
    HttpURLConnection conn = getConnection(Operation.MKDIRS.getMethod(), params, f, true);
    HttpExceptionUtils.validateResponse(conn, HttpURLConnection.HTTP_OK);
    JSONObject json = (JSONObject) HttpFSUtils.jsonParse(conn);
    return (Boolean) json.get(MKDIRS_JSON);
}

Example 7 with JsonObject

use of org.json.simple.JsonObject in project hadoop by apache.

the class HttpFSFileSystem method listStatusBatch.

@Override
public DirectoryEntries listStatusBatch(Path f, byte[] token) throws FileNotFoundException, IOException {
    Map<String, String> params = new HashMap<String, String>();
    params.put(OP_PARAM, Operation.LISTSTATUS_BATCH.toString());
    if (token != null) {
        params.put(START_AFTER_PARAM, new String(token, Charsets.UTF_8));
    }
    HttpURLConnection conn = getConnection(Operation.LISTSTATUS_BATCH.getMethod(), params, f, true);
    HttpExceptionUtils.validateResponse(conn, HttpURLConnection.HTTP_OK);
    // Parse the FileStatus array
    JSONObject json = (JSONObject) HttpFSUtils.jsonParse(conn);
    JSONObject listing = (JSONObject) json.get(DIRECTORY_LISTING_JSON);
    FileStatus[] statuses = toFileStatuses((JSONObject) listing.get(PARTIAL_LISTING_JSON), f);
    // New token is the last FileStatus entry
    byte[] newToken = null;
    if (statuses.length > 0) {
        newToken = statuses[statuses.length - 1].getPath().getName().toString().getBytes(Charsets.UTF_8);
    }
    // Parse the remainingEntries boolean into hasMore
    final long remainingEntries = (Long) listing.get(REMAINING_ENTRIES_JSON);
    final boolean hasMore = remainingEntries > 0 ? true : false;
    return new DirectoryEntries(statuses, newToken, hasMore);
}

Example 8 with JsonObject

use of org.json.simple.JsonObject in project hadoop by apache.

the class HttpFSFileSystem method getXAttrs.

@Override
public Map<String, byte[]> getXAttrs(Path f, List<String> names) throws IOException {
    Preconditions.checkArgument(names != null && !names.isEmpty(), "XAttr names cannot be null or empty.");
    Map<String, String> params = new HashMap<String, String>();
    params.put(OP_PARAM, Operation.GETXATTRS.toString());
    Map<String, List<String>> multiValuedParams = Maps.newHashMap();
    multiValuedParams.put(XATTR_NAME_PARAM, names);
    HttpURLConnection conn = getConnection(Operation.GETXATTRS.getMethod(), params, multiValuedParams, f, true);
    HttpExceptionUtils.validateResponse(conn, HttpURLConnection.HTTP_OK);
    JSONObject json = (JSONObject) HttpFSUtils.jsonParse(conn);
    return createXAttrMap((JSONArray) json.get(XATTRS_JSON));
}

Example 9 with JsonObject

use of org.json.simple.JsonObject in project hadoop by apache.

the class HttpFSFileSystem method delete.

/**
   * Delete a file.
   *
   * @param f the path to delete.
   * @param recursive if path is a directory and set to
   * true, the directory is deleted else throws an exception. In
   * case of a file the recursive can be set to either true or false.
   *
   * @return true if delete is successful else false.
   *
   * @throws IOException
   */
@Override
public boolean delete(Path f, boolean recursive) throws IOException {
    Map<String, String> params = new HashMap<String, String>();
    params.put(OP_PARAM, Operation.DELETE.toString());
    params.put(RECURSIVE_PARAM, Boolean.toString(recursive));
    HttpURLConnection conn = getConnection(Operation.DELETE.getMethod(), params, f, true);
    HttpExceptionUtils.validateResponse(conn, HttpURLConnection.HTTP_OK);
    JSONObject json = (JSONObject) HttpFSUtils.jsonParse(conn);
    return (Boolean) json.get(DELETE_JSON);
}

Example 10 with JsonObject

use of org.json.simple.JsonObject in project hadoop by apache.

the class HttpFSFileSystem method getXAttrs.

@Override
public Map<String, byte[]> getXAttrs(Path f) throws IOException {
    Map<String, String> params = new HashMap<String, String>();
    params.put(OP_PARAM, Operation.GETXATTRS.toString());
    HttpURLConnection conn = getConnection(Operation.GETXATTRS.getMethod(), params, f, true);
    HttpExceptionUtils.validateResponse(conn, HttpURLConnection.HTTP_OK);
    JSONObject json = (JSONObject) HttpFSUtils.jsonParse(conn);
    return createXAttrMap((JSONArray) json.get(XATTRS_JSON));
}