Examples with InputTransformer ddf.catalog.transform.InputTransformer used on opensource projects

Example 1 with InputTransformer

use of ddf.catalog.transform.InputTransformer in project ddf by codice.

the class OpenSearchSource method query.

@Override
public SourceResponse query(QueryRequest queryRequest) throws UnsupportedQueryException {
    String methodName = "query";
    LOGGER.trace(methodName);
    Serializable metacardId = queryRequest.getPropertyValue(Metacard.ID);
    SourceResponseImpl response = null;
    Subject subject = null;
    WebClient restWebClient = null;
    if (queryRequest.hasProperties()) {
        Object subjectObj = queryRequest.getProperties().get(SecurityConstants.SECURITY_SUBJECT);
        subject = (Subject) subjectObj;
    }
    restWebClient = factory.getWebClientForSubject(subject);
    Query query = queryRequest.getQuery();
    if (LOGGER.isDebugEnabled()) {
        LOGGER.debug("Received query: " + query);
    }
    boolean canDoOpenSearch = setOpenSearchParameters(query, subject, restWebClient);
    if (canDoOpenSearch) {
        InputStream responseStream = performRequest(restWebClient);
        response = new SourceResponseImpl(queryRequest, new ArrayList<Result>());
        if (responseStream != null) {
            response = processResponse(responseStream, queryRequest);
        }
    } else {
        if (StringUtils.isEmpty((String) metacardId)) {
            OpenSearchFilterVisitor visitor = new OpenSearchFilterVisitor();
            query.accept(visitor, null);
            metacardId = visitor.getMetacardId();
        }
        restWebClient = newRestClient(query, (String) metacardId, false, subject);
        if (restWebClient != null) {
            InputStream responseStream = performRequest(restWebClient);
            Metacard metacard = null;
            List<Result> resultQueue = new ArrayList<Result>();
            try (TemporaryFileBackedOutputStream fileBackedOutputStream = new TemporaryFileBackedOutputStream()) {
                if (responseStream != null) {
                    IOUtils.copyLarge(responseStream, fileBackedOutputStream);
                    InputTransformer inputTransformer = null;
                    try (InputStream inputStream = fileBackedOutputStream.asByteSource().openStream()) {
                        inputTransformer = getInputTransformer(inputStream);
                    } catch (IOException e) {
                        LOGGER.debug("Problem with transformation.", e);
                    }
                    if (inputTransformer != null) {
                        try (InputStream inputStream = fileBackedOutputStream.asByteSource().openStream()) {
                            metacard = inputTransformer.transform(inputStream);
                        } catch (IOException e) {
                            LOGGER.debug("Problem with transformation.", e);
                        }
                    }
                }
            } catch (IOException | CatalogTransformerException e) {
                LOGGER.debug("Problem with transformation.", e);
            }
            if (metacard != null) {
                metacard.setSourceId(getId());
                ResultImpl result = new ResultImpl(metacard);
                resultQueue.add(result);
                response = new SourceResponseImpl(queryRequest, resultQueue);
                response.setHits(resultQueue.size());
            }
        }
    }
    LOGGER.trace(methodName);
    return response;
}

Example 2 with InputTransformer

use of ddf.catalog.transform.InputTransformer in project ddf by codice.

the class TestOpenSearchSource method testQueryBySearchPhraseContentTypeSetRss.

@Test
public void testQueryBySearchPhraseContentTypeSetRss() throws UnsupportedQueryException, URISyntaxException, IOException {
    WebClient client = mock(WebClient.class);
    Response clientResponse = mock(Response.class);
    when(client.get()).thenReturn(clientResponse);
    when(clientResponse.getStatus()).thenReturn(Response.Status.OK.getStatusCode());
    when(clientResponse.getEntity()).thenReturn(getSampleRssStream());
    SecureCxfClientFactory factory = getMockFactory(client);
    OverriddenOpenSearchSource source = new OverriddenOpenSearchSource(FILTER_ADAPTER, encryptionService);
    InputTransformer inputTransformer = mock(InputTransformer.class);
    MetacardImpl generatedMetacard = new MetacardImpl();
    generatedMetacard.setMetadata(getSample());
    generatedMetacard.setId(SAMPLE_ID);
    generatedMetacard.setContentTypeName("myType");
    try {
        when(inputTransformer.transform(isA(InputStream.class))).thenReturn(generatedMetacard);
        when(inputTransformer.transform(isA(InputStream.class), isA(String.class))).thenReturn(generatedMetacard);
    } catch (IOException e) {
        fail();
    } catch (CatalogTransformerException e) {
        fail();
    }
    source.setInputTransformer(inputTransformer);
    source.setEndpointUrl("http://localhost:8181/services/catalog/query");
    source.init();
    source.setParameters(DEFAULT_PARAMETERS);
    source.factory = factory;
    Filter filter = filterBuilder.attribute(Metacard.METADATA).like().text(SAMPLE_SEARCH_PHRASE);
    SourceResponse response = source.query(new QueryRequestImpl(new QueryImpl(filter)));
    Assert.assertEquals(1, response.getHits());
    List<Result> results = response.getResults();
    Assert.assertTrue(results.size() == 1);
    Result result = results.get(0);
    Metacard metacard = result.getMetacard();
    Assert.assertNotNull(metacard);
    Assert.assertEquals("myType", metacard.getContentTypeName());
}

Example 3 with InputTransformer

use of ddf.catalog.transform.InputTransformer in project ddf by codice.

the class TestOpenSearchSource method testQueryBySearchPhraseContentTypeSet.

@Test
public void testQueryBySearchPhraseContentTypeSet() throws UnsupportedQueryException, URISyntaxException, IOException {
    WebClient client = mock(WebClient.class);
    Response clientResponse = mock(Response.class);
    when(client.get()).thenReturn(clientResponse);
    when(clientResponse.getStatus()).thenReturn(Response.Status.OK.getStatusCode());
    when(clientResponse.getEntity()).thenReturn(getSampleAtomStream());
    SecureCxfClientFactory factory = getMockFactory(client);
    OverriddenOpenSearchSource source = new OverriddenOpenSearchSource(FILTER_ADAPTER, encryptionService);
    InputTransformer inputTransformer = mock(InputTransformer.class);
    MetacardImpl generatedMetacard = new MetacardImpl();
    generatedMetacard.setMetadata(getSample());
    generatedMetacard.setId(SAMPLE_ID);
    generatedMetacard.setContentTypeName("myType");
    try {
        when(inputTransformer.transform(isA(InputStream.class))).thenReturn(generatedMetacard);
        when(inputTransformer.transform(isA(InputStream.class), isA(String.class))).thenReturn(generatedMetacard);
    } catch (IOException e) {
        fail();
    } catch (CatalogTransformerException e) {
        fail();
    }
    source.setInputTransformer(inputTransformer);
    source.setEndpointUrl("http://localhost:8181/services/catalog/query");
    source.init();
    source.setParameters(DEFAULT_PARAMETERS);
    source.factory = factory;
    Filter filter = filterBuilder.attribute(Metacard.METADATA).like().text(SAMPLE_SEARCH_PHRASE);
    SourceResponse response = source.query(new QueryRequestImpl(new QueryImpl(filter)));
    Assert.assertEquals(1, response.getHits());
    List<Result> results = response.getResults();
    Assert.assertTrue(results.size() == 1);
    Result result = results.get(0);
    Metacard metacard = result.getMetacard();
    Assert.assertNotNull(metacard);
    Assert.assertEquals("myType", metacard.getContentTypeName());
}

Example 4 with InputTransformer

use of ddf.catalog.transform.InputTransformer in project ddf by codice.

the class TestCswTransformProvider method testUnmarshalOtherSchema.

@Test
public void testUnmarshalOtherSchema() throws Exception {
    InputTransformer mockInputTransformer = mock(InputTransformer.class);
    when(mockInputManager.getTransformerByProperty(TransformerManager.SCHEMA, OTHER_SCHEMA)).thenReturn(mockInputTransformer);
    when(mockInputTransformer.transform(any(InputStream.class))).thenReturn(getMetacard());
    // XppReader is not namespace aware so it will read the XML and ignore the namespaces
    // WstxReader is namespace aware. It may fail for XML fragments.
    HierarchicalStreamReader reader = new XppReader(new StringReader(getRecord()), XmlPullParserFactory.newInstance().newPullParser());
    CswTransformProvider provider = new CswTransformProvider(null, mockInputManager);
    UnmarshallingContext context = new TreeUnmarshaller(null, null, null, null);
    context.put(CswConstants.TRANSFORMER_LOOKUP_KEY, TransformerManager.SCHEMA);
    context.put(CswConstants.TRANSFORMER_LOOKUP_VALUE, OTHER_SCHEMA);
    ArgumentCaptor<String> captor = ArgumentCaptor.forClass(String.class);
    provider.unmarshal(reader, context);
    // Verify the context arguments were set correctly
    verify(mockInputManager, times(1)).getTransformerByProperty(captor.capture(), captor.capture());
    String outputSchema = captor.getValue();
    assertThat(outputSchema, is(OTHER_SCHEMA));
}

Example 5 with InputTransformer

use of ddf.catalog.transform.InputTransformer in project ddf by codice.

the class RESTEndpoint method generateMetacard.

private Metacard generateMetacard(MimeType mimeType, String id, InputStream message, String transformerId) throws MetacardCreationException {
    Metacard generatedMetacard = null;
    List<InputTransformer> listOfCandidates = mimeTypeToTransformerMapper.findMatches(InputTransformer.class, mimeType);
    List<String> stackTraceList = new ArrayList<>();
    LOGGER.trace("Entering generateMetacard.");
    LOGGER.debug("List of matches for mimeType [{}]: {}", mimeType, listOfCandidates);
    try (TemporaryFileBackedOutputStream fileBackedOutputStream = new TemporaryFileBackedOutputStream()) {
        try {
            if (null != message) {
                IOUtils.copy(message, fileBackedOutputStream);
            } else {
                throw new MetacardCreationException("Could not copy bytes of content message.  Message was NULL.");
            }
        } catch (IOException e) {
            throw new MetacardCreationException("Could not copy bytes of content message.", e);
        }
        Iterator<InputTransformer> it = listOfCandidates.iterator();
        if (StringUtils.isNotEmpty(transformerId)) {
            BundleContext bundleContext = getBundleContext();
            Collection<ServiceReference<InputTransformer>> serviceReferences = bundleContext.getServiceReferences(InputTransformer.class, "(id=" + transformerId + ")");
            it = serviceReferences.stream().map(bundleContext::getService).iterator();
        }
        while (it.hasNext()) {
            InputTransformer transformer = it.next();
            try (InputStream inputStreamMessageCopy = fileBackedOutputStream.asByteSource().openStream()) {
                generatedMetacard = transformer.transform(inputStreamMessageCopy);
            } catch (CatalogTransformerException | IOException e) {
                List<String> stackTraces = Arrays.asList(ExceptionUtils.getRootCauseStackTrace(e));
                stackTraceList.add(String.format("Transformer [%s] could not create metacard.", transformer));
                stackTraceList.addAll(stackTraces);
                LOGGER.debug("Transformer [{}] could not create metacard.", transformer, e);
            }
            if (generatedMetacard != null) {
                break;
            }
        }
        if (generatedMetacard == null) {
            throw new MetacardCreationException(String.format("Could not create metacard with mimeType %s : %s", mimeType, StringUtils.join(stackTraceList, "\n")));
        }
        if (id != null) {
            generatedMetacard.setAttribute(new AttributeImpl(Metacard.ID, id));
        } else {
            LOGGER.debug("Metacard had a null id");
        }
    } catch (IOException e) {
        throw new MetacardCreationException("Could not create metacard.", e);
    } catch (InvalidSyntaxException e) {
        throw new MetacardCreationException("Could not determine transformer", e);
    }
    return generatedMetacard;
}