Examples with StreamingOutput javax.ws.rs.core.StreamingOutput used on opensource projects

Example 31 with StreamingOutput

use of javax.ws.rs.core.StreamingOutput in project sirix by sirixdb.

the class RESTResponseHelper method buildResponseOfDomLR.

/**
 * This method builds the overview for the resources and collection we offer
 * in our implementation.
 *
 * @param storagePath
 *          path to the storage
 * @param availableRes
 *          a list of available resources or collections
 * @return the streaming output for the HTTP response body
 */
public static StreamingOutput buildResponseOfDomLR(final File storagePath, final List<String> availableRes) {
    final StreamingOutput sOutput = new StreamingOutput() {

        @Override
        public void write(final OutputStream output) throws IOException, WebApplicationException {
            Document document;
            try {
                document = createSurroundingXMLResp();
                final Element resElement = RESTResponseHelper.createResultElement(document);
                List<Element> collections;
                try {
                    collections = RESTResponseHelper.createCollectionElementDBs(storagePath, availableRes, document);
                } catch (final SirixException exce) {
                    throw new WebApplicationException(exce);
                }
                for (final Element resource : collections) {
                    resElement.appendChild(resource);
                }
                document.appendChild(resElement);
                final DOMSource domSource = new DOMSource(document);
                final StreamResult streamResult = new StreamResult(output);
                final Transformer transformer = TransformerFactory.newInstance().newTransformer();
                transformer.transform(domSource, streamResult);
            } catch (ParserConfigurationException | TransformerFactoryConfigurationError | TransformerException e) {
                throw new WebApplicationException(e);
            }
        }
    };
    return sOutput;
}

Example 32 with StreamingOutput

use of javax.ws.rs.core.StreamingOutput in project sirix by sirixdb.

the class DatabaseRepresentationTest method performQueryOnResource.

/**
 * This method tests
 * {@link DatabaseRepresentation#performQueryOnResource(String, String, Map)}
 *
 * @throws IOException
 * @throws WebApplicationException
 * @throws SAXException
 * @throws ParserConfigurationException
 */
@Test
public void performQueryOnResource() throws WebApplicationException, IOException, ParserConfigurationException, SAXException {
    final Map<QueryParameter, String> params = new HashMap<QueryParameter, String>();
    params.put(QueryParameter.OUTPUT, LITERALTRUE);
    params.put(QueryParameter.WRAP, LITERALTRUE);
    final StreamingOutput sOutput = sirix.performQueryOnResource(RESOURCENAME, "//continent", params);
    final ByteArrayOutputStream output = new ByteArrayOutputStream();
    sOutput.write(output);
    final Document doc = DOMHelper.buildDocument(output);
    Node node = doc.getElementsByTagName("continent").item(0);
    assertNotNull("check if continent exists", node);
    node = doc.getElementsByTagName("country").item(0);
    assertNull("check for null country object", node);
    output.close();
}

Example 33 with StreamingOutput

use of javax.ws.rs.core.StreamingOutput in project sirix by sirixdb.

the class DatabaseRepresentationTest method addResource.

/**
 * This method tests {@link DatabaseRepresentation#add(InputStream, String)}
 *
 * @throws IOException
 * @throws WebApplicationException
 * @throws SAXException
 * @throws ParserConfigurationException
 * @throws SirixException
 */
@Test
public void addResource() throws WebApplicationException, IOException, ParserConfigurationException, SAXException, SirixException {
    final InputStream input = DatabaseRepresentationTest.class.getResourceAsStream("/books.xml");
    sirix.deleteResource(RESOURCENAME);
    assertTrue(sirix.add(input, RESOURCENAME));
    final Map<QueryParameter, String> params = new HashMap<QueryParameter, String>();
    params.put(QueryParameter.WRAP, LITERALTRUE);
    final StreamingOutput sOutput = sirix.performQueryOnResource(RESOURCENAME, ".", params);
    final ByteArrayOutputStream output = new ByteArrayOutputStream();
    sOutput.write(output);
    final Document doc = DOMHelper.buildDocument(output);
    Node node = doc.getElementsByTagName("books").item(0);
    assertNotNull("check if books has been added to factbook", node);
    // node = doc.getElementsByTagName("mondial").item(0);
    // assertNotNull("check if mondial still exists", node);
    output.close();
}

Example 34 with StreamingOutput

use of javax.ws.rs.core.StreamingOutput in project sirix by sirixdb.

the class DatabaseRepresentationTest method getResource.

/**
 * This method tests
 * {@link DatabaseRepresentation#getResource(String, java.util.Map)}
 *
 * @throws SirixException
 * @throws IOException
 * @throws WebApplicationException
 * @throws SAXException
 * @throws ParserConfigurationException
 */
@Test
public void getResource() throws SirixException, WebApplicationException, IOException, ParserConfigurationException, SAXException {
    final Map<QueryParameter, String> queryParams = new HashMap<QueryParameter, String>();
    Document doc;
    Node node;
    Node resultNode;
    Attr attribute;
    StreamingOutput sOutput = sirix.getResource(RESOURCENAME, queryParams);
    ByteArrayOutputStream output = new ByteArrayOutputStream();
    sOutput.write(output);
    doc = DOMHelper.buildDocument(output);
    node = doc.getElementsByTagName("mondial").item(0);
    attribute = (Attr) node.getAttributes().getNamedItem(IDNAME);
    resultNode = doc.getElementsByTagName(RESULTNAME).item(0);
    assertNotNull("mondial does exist", node);
    assertNull("test if result node exists - null", resultNode);
    assertNull("test if id element exists - null", attribute);
    output.close();
    queryParams.put(QueryParameter.WRAP, LITERALTRUE);
    sOutput = sirix.getResource(RESOURCENAME, queryParams);
    output = new ByteArrayOutputStream();
    sOutput.write(output);
    doc = DOMHelper.buildDocument(output);
    node = doc.getElementsByTagName("country").item(0);
    attribute = (Attr) node.getAttributes().getNamedItem(IDNAME);
    resultNode = doc.getElementsByTagName(RESULTNAME).item(0);
    assertNotNull("test if country exists", node);
    assertNotNull("test if result node exists", resultNode);
    assertNull("test if id element exists", attribute);
    output.close();
    queryParams.put(QueryParameter.OUTPUT, LITERALTRUE);
    sOutput = sirix.getResource(RESOURCENAME, queryParams);
    output = new ByteArrayOutputStream();
    sOutput.write(output);
    doc = DOMHelper.buildDocument(output);
    node = doc.getElementsByTagName(NAME).item(0);
    attribute = (Attr) node.getAttributes().getNamedItem(IDNAME);
    resultNode = doc.getElementsByTagName(RESULTNAME).item(0);
    assertNotNull("test if country exists2", node);
    assertNotNull("test if result node exists2", resultNode);
    assertNotNull("test if id element exists2", attribute);
    output.close();
    sOutput = sirix.getResource(RESOURCENAME, queryParams);
    output = new ByteArrayOutputStream();
    sOutput.write(output);
    doc = DOMHelper.buildDocument(output);
    node = doc.getElementsByTagName("city").item(0);
    attribute = (Attr) node.getAttributes().getNamedItem(IDNAME);
    resultNode = doc.getElementsByTagName(RESULTNAME).item(0);
    assertNotNull("test if city exists2", node);
    assertNotNull("test if result node exists2", resultNode);
    assertNotNull("test if id element exists2", attribute);
    output.close();
}

Example 35 with StreamingOutput

use of javax.ws.rs.core.StreamingOutput in project sirix by sirixdb.

the class NodeIdRepresentationTest method testGetResourceByAT.

/**
 * Test method for
 * {@link org.sirix.service.jaxrx.implementation.NodeIdRepresentation#getResourceByAT(java.lang.String, long, java.util.Map, org.sirix.service.jaxrx.enums.IDAccessType)}
 * .
 *
 * @throws IOException
 * @throws WebApplicationException
 * @throws SAXException
 * @throws ParserConfigurationException
 */
@Test
public final void testGetResourceByAT() throws WebApplicationException, IOException, ParserConfigurationException, SAXException {
    final Map<QueryParameter, String> queryParams = new HashMap<QueryParameter, String>();
    queryParams.put(QueryParameter.OUTPUT, LITERALSTRUE);
    queryParams.put(QueryParameter.WRAP, LITERALSTRUE);
    queryParams.put(QueryParameter.REVISION, "1");
    ByteArrayOutputStream outputStream;
    Document doc;
    NodeList list;
    String textContent = null;
    Node node;
    Attr attribute;
    // Test for fist child
    final StreamingOutput fChildOutput = ridWorker.getResourceByAT(RESOURCENAME, NODEIDGETRESOURCE, queryParams, IDAccessType.FIRSTCHILD);
    outputStream = new ByteArrayOutputStream();
    fChildOutput.write(outputStream);
    doc = DOMHelper.buildDocument(outputStream);
    list = doc.getElementsByTagName(NAME);
    node = list.item(0);
    textContent = node.getTextContent();
    outputStream.close();
    assertEquals("Test expected name ", "Albania", textContent);
    // Test for last child final StreamingOutput lChildOutput =
    final StreamingOutput lChildOutput = ridWorker.getResourceByAT(RESOURCENAME, NODEIDGETRESOURCE, queryParams, IDAccessType.LASTCHILD);
    outputStream = new ByteArrayOutputStream();
    lChildOutput.write(outputStream);
    doc = DOMHelper.buildDocument(outputStream);
    list = doc.getElementsByTagName("border");
    node = list.item(0);
    attribute = (Attr) node.getAttributes().getNamedItem("length");
    outputStream.close();
    assertEquals("Test expected border value ", "287", attribute.getValue());
    // Test for rightSibling final StreamingOutput rSiblingOutput =
    final StreamingOutput rSiblingOutput = ridWorker.getResourceByAT(RESOURCENAME, NODEIDGETRESOURCE, queryParams, IDAccessType.RIGHTSIBLING);
    outputStream = new ByteArrayOutputStream();
    rSiblingOutput.write(outputStream);
    doc = DOMHelper.buildDocument(outputStream);
    list = doc.getElementsByTagName("country");
    node = list.item(0);
    attribute = (Attr) node.getAttributes().getNamedItem(NAME);
    outputStream.close();
    assertEquals("Test expected right sibling name ", "Andorra", attribute.getValue());
    // Test for leftSibling final StreamingOutput lSiblingOutput =
    final StreamingOutput lSiblingOutput = ridWorker.getResourceByAT(RESOURCENAME, NODEIDGETRESOURCE, queryParams, IDAccessType.LEFTSIBLING);
    outputStream = new ByteArrayOutputStream();
    lSiblingOutput.write(outputStream);
    doc = DOMHelper.buildDocument(outputStream);
    list = doc.getElementsByTagName("continent");
    node = list.item(0);
    attribute = (Attr) node.getAttributes().getNamedItem(NAME);
    outputStream.close();
    assertEquals("Test expected right sibling name ", "Africa", attribute.getValue());
}