Java ODataContext类代码示例

import org.apache.olingo.odata2.api.processor.ODataContext; //导入依赖的package包/类
@Override
public ODataService createService(ODataContext ctx) throws ODataException
{
   ODataService res = null;

   // Gets the last `root` segment of the URL
   // Stores this value in the `serviceName` variable
   // if the URL is http://dhus.gael.fr/odata/v1/Products/...
   //               \__________________________/\_________...
   //                          ROOT                ODATA
   // serviceName:="v1"
   // The length of the `root` part of the URL can be extended with the servlet's split parameter.
   // see http://http://olingo.apache.org/doc/odata2/index.html
   List<PathSegment> pathSegs = ctx.getPathInfo().getPrecedingSegments();
   String serviceName = pathSegs.get(pathSegs.size() - 1).getPath();

   if (serviceName.equals(SERVICE_NAME))
   {
      EdmProvider edmProvider = new Model();
      ODataSingleProcessor oDataProcessor = new Processor();

      res = createODataSingleProcessorService(edmProvider, oDataProcessor);
   }

   return res;
}
 

import org.apache.olingo.odata2.api.processor.ODataContext; //导入依赖的package包/类
/**
 * Creates an OData Service based on the values set in
 * {@link org.apache.olingo.odata2.jpa.processor.api.ODataJPAContext} and
 * {@link org.apache.olingo.odata2.api.processor.ODataContext}.
 */
@Override
public final ODataService createService(final ODataContext ctx) throws ODataException {

	oDataContext = ctx;

	// Initialize OData JPA Context
	oDataJPAContext = initializeODataJPAContext();

	validatePreConditions();

	ODataJPAFactory factory = ODataJPAFactory.createFactory();
	ODataJPAAccessFactory accessFactory = factory.getODataJPAAccessFactory();

	// OData JPA Processor
	if (oDataJPAContext.getODataContext() == null) {
		oDataJPAContext.setODataContext(ctx);
	}

	ODataSingleProcessor odataJPAProcessor = new ODataJPAProcessor(oDataJPAContext);

	// OData Entity Data Model Provider based on JPA
	EdmProvider edmProvider = accessFactory.createJPAEdmProvider(oDataJPAContext);

	return createODataSingleProcessorService(edmProvider, odataJPAProcessor);
}
 

import org.apache.olingo.odata2.api.processor.ODataContext; //导入依赖的package包/类
@Override
public ODataResponse updateEntityMedia(final PutMergePatchUriInfo uriInfo, final InputStream content,
    final String requestContentType, final String contentType) throws ODataException {
  final Object data = retrieveData(
      uriInfo.getStartEntitySet(),
      uriInfo.getKeyPredicates(),
      uriInfo.getFunctionImport(),
      mapFunctionParameters(uriInfo.getFunctionImportParameters()),
      uriInfo.getNavigationSegments()).getFirst();

  if (!appliesFilter(data, uriInfo.getFilter())) {
    throw new ODataNotFoundException(ODataNotFoundException.ENTITY);
  }

  ODataContext context = getContext();
  final int timingHandle = context.startRuntimeMeasurement("EntityProvider", "readBinary");

  final byte[] value = EntityProvider.readBinary(content);

  context.stopRuntimeMeasurement(timingHandle);

  final EdmEntitySet entitySet = uriInfo.getTargetEntitySet();
  dataSource.writeBinaryData(entitySet, data, new BinaryData(value, requestContentType));

  return ODataResponse.newBuilder().eTag(constructETag(entitySet, data)).build();
}
 

import org.apache.olingo.odata2.api.processor.ODataContext; //导入依赖的package包/类
private <T> ODataResponse writeEntry(final EdmEntitySet entitySet, final ExpandSelectTreeNode expandSelectTree,
    final T data, final String contentType) throws ODataException {
  final EdmEntityType entityType = entitySet.getEntityType();
  final Map<String, Object> values = getStructuralTypeValueMap(data, entityType);

  ODataContext context = getContext();
  EntityProviderWriteProperties writeProperties = EntityProviderWriteProperties
      .serviceRoot(context.getPathInfo().getServiceRoot())
      .expandSelectTree(expandSelectTree)
      .callbacks(getCallbacks(data, entityType))
      .build();

  final int timingHandle = context.startRuntimeMeasurement("EntityProvider", "writeEntry");

  final ODataResponse response = EntityProvider.writeEntry(contentType, entitySet, values, writeProperties);

  context.stopRuntimeMeasurement(timingHandle);

  return response;
}
 

import org.apache.olingo.odata2.api.processor.ODataContext; //导入依赖的package包/类
private ODataEntry parseEntry(final EdmEntitySet entitySet, final InputStream content,
    final String requestContentType, final EntityProviderReadProperties properties) throws ODataBadRequestException {
  ODataContext context = getContext();
  final int timingHandle = context.startRuntimeMeasurement("EntityConsumer", "readEntry");

  ODataEntry entryValues;
  try {
    entryValues = EntityProvider.readEntry(requestContentType, entitySet, content, properties);
  } catch (final EntityProviderException e) {
    throw new ODataBadRequestException(ODataBadRequestException.BODY, e);
  }

  context.stopRuntimeMeasurement(timingHandle);

  return entryValues;
}
 

import org.apache.olingo.odata2.api.processor.ODataContext; //导入依赖的package包/类
private Map<String, Object> parseLinkUri(final EdmEntitySet targetEntitySet, final String uriString)
    throws EdmException {
  ODataContext context = getContext();
  final int timingHandle = context.startRuntimeMeasurement("UriParser", "getKeyPredicatesFromEntityLink");

  List<KeyPredicate> key = null;
  try {
    key = UriParser.getKeyPredicatesFromEntityLink(targetEntitySet, uriString,
        context.getPathInfo().getServiceRoot());
  } catch (ODataException e) {
    // We don't understand the link target. This could also be seen as an error.
  }

  context.stopRuntimeMeasurement(timingHandle);

  return key == null ? null : mapKey(key);
}
 

import org.apache.olingo.odata2.api.processor.ODataContext; //导入依赖的package包/类
@Override
public ODataService createService(final ODataContext ctx) throws ODataException {

  assertNotNull(ctx);
  assertNotNull(ctx.getAcceptableLanguages());
  assertNotNull(ctx.getParameter(ODataContext.HTTP_SERVLET_REQUEST_OBJECT));

  final Map<String, List<String>> requestHeaders = ctx.getRequestHeaders();
  final String host = requestHeaders.get("Host").get(0);

  String tmp[] = host.split(":", 2);
  String port = (tmp.length == 2 && tmp[1] != null) ? tmp[1] : "80";

  // access and validation in synchronized block
  final JanosServiceFactory service = PORT_2_SERVICE.get(port);
  return service.createService(ctx);
}
 

import org.apache.olingo.odata2.api.processor.ODataContext; //导入依赖的package包/类
@Test
public void testBaseUriWithEncoding() throws IOException, ODataException,
    URISyntaxException {
  server.setPathSplit(3);
  startServer();

  final URI uri =
      new URI(server.getEndpoint().getScheme(), null, server.getEndpoint().getHost(), server.getEndpoint().getPort(),
          server.getEndpoint().getPath() + "/aaa/äдержb;n=2, 3;m=1/c c/", null, null);

  final HttpGet get = new HttpGet(uri);
  final HttpResponse response = httpClient.execute(get);

  assertEquals(HttpStatusCodes.OK.getStatusCode(), response.getStatusLine().getStatusCode());

  final ODataContext context = service.getProcessor().getContext();
  assertNotNull(context);
  validateServiceRoot(context.getPathInfo().getServiceRoot().toASCIIString(),
      server.getEndpoint() + "aaa/%C3%A4%D0%B4%D0%B5%D1%80%D0%B6b;", "/c%20c/", "n=2,%203", "m=1");
}
 

import org.apache.olingo.odata2.api.processor.ODataContext; //导入依赖的package包/类
private <T> ODataResponse writeEntry(final EdmEntitySet entitySet, final ExpandSelectTreeNode expandSelectTree,
    final T data, final String contentType) throws ODataException, EntityProviderException {
  final EdmEntityType entityType = entitySet.getEntityType();
  final Map<String, Object> values = getStructuralTypeValueMap(data, entityType);

  ODataContext context = getContext();
  EntityProviderWriteProperties writeProperties = EntityProviderWriteProperties
      .serviceRoot(context.getPathInfo().getServiceRoot())
      .expandSelectTree(expandSelectTree)
      .callbacks(getCallbacks(data, entityType))
      .build();

  final int timingHandle = context.startRuntimeMeasurement("EntityProvider", "writeEntry");

  final ODataResponse response = EntityProvider.writeEntry(contentType, entitySet, values, writeProperties);

  context.stopRuntimeMeasurement(timingHandle);

  return response;
}
 

import org.apache.olingo.odata2.api.processor.ODataContext; //导入依赖的package包/类
public final UriInfo parseLink(final EdmEntitySet entitySet, final InputStream content, final String contentType)
    throws ODataJPARuntimeException {

  String uriString = null;
  UriInfo uri = null;
  try {
    uriString = EntityProvider.readLink(contentType, entitySet, content);
    ODataContext odataContext = context.getODataContext();
    final String svcRoot = odataContext.getPathInfo().getServiceRoot().toString();
    final String path =
        uriString.startsWith(svcRoot.toString()) ? uriString.substring(svcRoot.length()) : uriString;
    final List<PathSegment> pathSegment = getPathSegment(path);
    edm = getEdm();
    uri = UriParser.parse(edm, pathSegment, Collections.<String, String> emptyMap());
  } catch (ODataException e) {
    throw ODataJPARuntimeException.throwException(ODataJPARuntimeException.GENERAL.addContent(e.getMessage()), e);
  }
  return uri;
}
 

import org.apache.olingo.odata2.api.processor.ODataContext; //导入依赖的package包/类
@Test
public void testMetadataUriWithMatrixParameter() throws IOException, ODataException,
    URISyntaxException {
  server.setPathSplit(3);
  startServer();

  final String endpoint = server.getEndpoint().toString();
  final HttpGet get = new HttpGet(URI.create(endpoint + "aaa/bbb;n=2,3;m=1/ccc/$metadata"));
  final HttpResponse response = httpClient.execute(get);

  assertEquals(HttpStatusCodes.OK.getStatusCode(), response.getStatusLine().getStatusCode());

  final ODataContext ctx = service.getProcessor().getContext();
  assertNotNull(ctx);
  validateServiceRoot(ctx.getPathInfo().getServiceRoot().toASCIIString(),
      endpoint + "aaa/bbb;", "/ccc/", "n=2,3", "m=1");
  assertEquals("$metadata", ctx.getPathInfo().getODataSegments().get(0).getPath());
}
 

import org.apache.olingo.odata2.api.processor.ODataContext; //导入依赖的package包/类
@Test
public void testSplit2() throws IOException, ODataException {
  server.setPathSplit(2);
  startServer();

  final HttpGet get = new HttpGet(URI.create(server.getEndpoint().toString() + "/aaa/bbb/$metadata"));
  final HttpResponse response = httpClient.execute(get);

  assertEquals(HttpStatusCodes.OK.getStatusCode(), response.getStatusLine().getStatusCode());

  final ODataContext ctx = service.getProcessor().getContext();
  assertNotNull(ctx);

  assertEquals("aaa", ctx.getPathInfo().getPrecedingSegments().get(0).getPath());
  assertEquals("bbb", ctx.getPathInfo().getPrecedingSegments().get(1).getPath());
  assertEquals("$metadata", ctx.getPathInfo().getODataSegments().get(0).getPath());
}
 

import org.apache.olingo.odata2.api.processor.ODataContext; //导入依赖的package包/类
@Test
public void testMatrixParameterInNonODataPath() throws IOException, ODataException {
  server.setPathSplit(1);
  startServer();

  final HttpGet get = new HttpGet(URI.create(server.getEndpoint().toString() + "aaa;n=2/"));
  final HttpResponse response = httpClient.execute(get);

  assertEquals(HttpStatusCodes.OK.getStatusCode(), response.getStatusLine().getStatusCode());

  final ODataContext ctx = service.getProcessor().getContext();
  assertNotNull(ctx);

  assertEquals("", ctx.getPathInfo().getODataSegments().get(0).getPath());
  assertEquals("aaa", ctx.getPathInfo().getPrecedingSegments().get(0).getPath());

  assertNotNull(ctx.getPathInfo().getPrecedingSegments().get(0).getMatrixParameters());

  String key, value;
  key = ctx.getPathInfo().getPrecedingSegments().get(0).getMatrixParameters().keySet().iterator().next();
  assertEquals("n", key);
  value = ctx.getPathInfo().getPrecedingSegments().get(0).getMatrixParameters().get(key).get(0);
  assertEquals("2", value);
}
 

import org.apache.olingo.odata2.api.processor.ODataContext; //导入依赖的package包/类
@Test
public void testSplit1() throws IOException, ODataException {
  server.setPathSplit(1);
  startServer();

  final HttpGet get = new HttpGet(URI.create(server.getEndpoint().toString() + "/aaa/$metadata"));
  final HttpResponse response = httpClient.execute(get);

  assertEquals(HttpStatusCodes.OK.getStatusCode(), response.getStatusLine().getStatusCode());

  final ODataContext ctx = service.getProcessor().getContext();
  assertNotNull(ctx);

  assertEquals("aaa", ctx.getPathInfo().getPrecedingSegments().get(0).getPath());
  assertEquals("$metadata", ctx.getPathInfo().getODataSegments().get(0).getPath());
}
 

import org.apache.olingo.odata2.api.processor.ODataContext; //导入依赖的package包/类
private List<Locale> getLanguages(final ODataContext context) {
  try {
    if (context.getAcceptableLanguages().isEmpty()) {
      return Arrays.asList(DEFAULT_RESPONSE_LOCALE);
    }
    return context.getAcceptableLanguages();
  } catch (WebApplicationException e) {
    if (e.getCause() != null && e.getCause().getClass() == ParseException.class) {
      // invalid accept-language string in http header
      // compensate exception with using default locale
      return Arrays.asList(DEFAULT_RESPONSE_LOCALE);
    }
    // not able to compensate exception -> re-throw
    throw e;
  }
}