/**
* Executes a the given query string (based on the language information) against a JCR repository,
* returning a rest model based result.
*
* @param request a non-null {@link HttpServletRequest}
* @param repositoryName a non-null, URL encoded {@link String} representing the name of a
* repository
* @param workspaceName a non-null, URL encoded {@link String} representing the name of a
* workspace
* @param language a non-null String which should be a valid query language, as recognized by the
* {@link javax.jcr.query.QueryManager}
* @param statement a non-null String which should be a valid query string in the above language.
* @param offset a numeric value which indicates the index in the result set from where results
* should be returned.
* @param limit a numeric value indicating the maximum number of rows to return.
* @param uriInfo a non-null {@link UriInfo} object which is provided by RestEASY, allowing extra
* request parameters to be retrieved.
* @return a {@link RestQueryHandler} instance
* @throws RepositoryException if any operation fails at the JCR level
*/
public RestQueryResult executeQuery(
HttpServletRequest request,
String repositoryName,
String workspaceName,
String language,
String statement,
long offset,
long limit,
UriInfo uriInfo)
throws RepositoryException {
assert repositoryName != null;
assert workspaceName != null;
assert language != null;
assert statement != null;
Session session = getSession(request, repositoryName, workspaceName);
Query query = createQuery(language, statement, session);
bindExtraVariables(uriInfo, session.getValueFactory(), query);
QueryResult result = query.execute();
RestQueryResult restQueryResult = new RestQueryResult();
String[] columnNames = result.getColumnNames();
setColumns(result, restQueryResult, columnNames);
String baseUrl = RestHelper.repositoryUrl(request);
setRows(offset, limit, session, result, restQueryResult, columnNames, baseUrl);
return restQueryResult;
}
private void createLinksFromNodePaths(
QueryResult result, String baseUrl, Row resultRow, RestQueryResult.RestRow restRow)
throws RepositoryException {
String defaultPath = resultRow.getPath();
if (!StringUtil.isBlank(defaultPath)) {
restRow.addValue(
MODE_URI, RestHelper.urlFrom(baseUrl, RestHelper.ITEMS_METHOD_NAME, defaultPath));
}
for (String selectorName : result.getSelectorNames()) {
try {
String selectorPath = resultRow.getPath(selectorName);
if (!StringUtil.isBlank(defaultPath) && !selectorPath.equals(defaultPath)) {
restRow.addValue(
MODE_URI + "-" + selectorName,
RestHelper.urlFrom(baseUrl, RestHelper.ITEMS_METHOD_NAME, selectorPath));
}
} catch (RepositoryException e) {
logger.debug(e, e.getMessage());
}
}
}