Examples with RepositoryException org.eclipse.rdf4j.repository.RepositoryException used on opensource projects

Example 46 with RepositoryException

use of org.eclipse.rdf4j.repository.RepositoryException in project rdf4j by eclipse.

the class RDF4JProtocolSession method setNamespacePrefix.

public void setNamespacePrefix(String prefix, String name) throws IOException, RepositoryException, UnauthorizedException {
    checkRepositoryURL();
    HttpPut method = new HttpPut(Protocol.getNamespacePrefixLocation(getQueryURL(), prefix));
    try {
        method.setEntity(new StringEntity(name, ContentType.create("text/plain", "UTF-8")));
        executeNoContent(method);
    } catch (RepositoryException e) {
        throw e;
    } catch (RDF4JException e) {
        throw new RepositoryException(e);
    } finally {
        method.reset();
    }
}

Example 47 with RepositoryException

use of org.eclipse.rdf4j.repository.RepositoryException in project rdf4j by eclipse.

the class RDF4JProtocolSession method getNamespaces.

public void getNamespaces(TupleQueryResultHandler handler) throws IOException, TupleQueryResultHandlerException, RepositoryException, UnauthorizedException, QueryInterruptedException {
    checkRepositoryURL();
    HttpGet method = new HttpGet(Protocol.getNamespacesLocation(getQueryURL()));
    try {
        getTupleQueryResult(method, handler);
    } catch (MalformedQueryException e) {
        logger.warn("Server reported unexpected malfored query error", e);
        throw new RepositoryException(e.getMessage(), e);
    } finally {
        method.reset();
    }
}

Example 48 with RepositoryException

use of org.eclipse.rdf4j.repository.RepositoryException in project rdf4j by eclipse.

the class RDF4JProtocolSession method beginTransaction.

public synchronized void beginTransaction(IsolationLevel isolationLevel) throws RDF4JException, IOException, UnauthorizedException {
    checkRepositoryURL();
    if (transactionURL != null) {
        throw new IllegalStateException("Transaction URL is already set");
    }
    HttpPost method = new HttpPost(Protocol.getTransactionsLocation(getRepositoryURL()));
    try {
        method.setHeader("Content-Type", Protocol.FORM_MIME_TYPE + "; charset=utf-8");
        List<NameValuePair> params = new ArrayList<NameValuePair>();
        if (isolationLevel != null) {
            params.add(new BasicNameValuePair(Protocol.ISOLATION_LEVEL_PARAM_NAME, isolationLevel.getURI().stringValue()));
        }
        method.setEntity(new UrlEncodedFormEntity(params, UTF8));
        HttpResponse response = execute(method);
        try {
            int code = response.getStatusLine().getStatusCode();
            if (code == HttpURLConnection.HTTP_CREATED) {
                transactionURL = response.getFirstHeader("Location").getValue();
                if (transactionURL == null) {
                    throw new RepositoryException("no valid transaction ID received in server response.");
                } else {
                    pingTransaction();
                }
            } else {
                throw new RepositoryException("unable to start transaction. HTTP error code " + code);
            }
        } finally {
            EntityUtils.consume(response.getEntity());
        }
    } finally {
        method.reset();
    }
}

Example 49 with RepositoryException

use of org.eclipse.rdf4j.repository.RepositoryException in project rdf4j by eclipse.

the class RDF4JProtocolSession method size.

/*-------------------------*
	 * Repository/context size *
	 *-------------------------*/
public long size(Resource... contexts) throws IOException, RepositoryException, UnauthorizedException {
    checkRepositoryURL();
    try {
        String transactionURL = getTransactionURL();
        final boolean useTransaction = transactionURL != null;
        String baseLocation = useTransaction ? appendAction(transactionURL, Action.SIZE) : Protocol.getSizeLocation(getQueryURL());
        URIBuilder url = new URIBuilder(baseLocation);
        String[] encodedContexts = Protocol.encodeContexts(contexts);
        for (int i = 0; i < encodedContexts.length; i++) {
            url.addParameter(Protocol.CONTEXT_PARAM_NAME, encodedContexts[i]);
        }
        final HttpRequestBase method = useTransaction ? new HttpPut(url.build()) : new HttpGet(url.build());
        try {
            String response = EntityUtils.toString(executeOK(method).getEntity());
            pingTransaction();
            try {
                return Long.parseLong(response);
            } catch (NumberFormatException e) {
                throw new RepositoryException("Server responded with invalid size value: " + response);
            }
        } finally {
            method.reset();
        }
    } catch (URISyntaxException e) {
        throw new AssertionError(e);
    } catch (RepositoryException e) {
        throw e;
    } catch (RDF4JException e) {
        throw new RepositoryException(e);
    }
}

Example 50 with RepositoryException

use of org.eclipse.rdf4j.repository.RepositoryException in project rdf4j by eclipse.

the class SPARQLProtocolSession method getErrorInfo.

protected ErrorInfo getErrorInfo(HttpResponse response) throws RepositoryException {
    try {
        ErrorInfo errInfo = ErrorInfo.parse(EntityUtils.toString(response.getEntity()));
        logger.warn("Server reports problem: {}", errInfo.getErrorMessage());
        return errInfo;
    } catch (IOException e) {
        logger.warn("Unable to retrieve error info from server");
        throw new RepositoryException("Unable to retrieve error info from server", e);
    }
}