Examples with ObjectMapper org.codehaus.jackson.map.ObjectMapper used on opensource projects

Example 41 with ObjectMapper

use of org.codehaus.jackson.map.ObjectMapper in project databus by linkedin.

the class PhysicalBuffersRequestProcessor method process.

@Override
public DatabusRequest process(DatabusRequest request) throws IOException, RequestProcessingException {
    ObjectMapper mapper = new ObjectMapper();
    boolean pretty = request.getParams().getProperty("pretty") != null;
    // create pretty or regular writer
    ObjectWriter writer = pretty ? mapper.defaultPrettyPrintingWriter() : mapper.writer();
    StringWriter out = new StringWriter(10240);
    DbusEventBufferMult multBuf = _relay.getEventBuffer();
    Set<PhysicalPartitionKey> keys = multBuf.getAllPhysicalPartitionKeys();
    // creat map to output partId=>PhysicalSources...
    Map<PhysicalPartition, Set<PhysicalSource>> map = new HashMap<PhysicalPartition, Set<PhysicalSource>>(keys.size());
    for (PhysicalPartitionKey key : keys) {
        Set<PhysicalSource> set = multBuf.getPhysicalSourcesForPartition(key.getPhysicalPartition());
        map.put(key.getPhysicalPartition(), set);
    }
    if (keys.isEmpty()) {
        writer.writeValue(out, new HashSet<PhysicalPartition>());
    } else {
        writer.writeValue(out, map);
    }
    byte[] resultBytes = out.toString().getBytes(Charset.defaultCharset());
    request.getResponseContent().write(ByteBuffer.wrap(resultBytes));
    return request;
}

Example 42 with ObjectMapper

use of org.codehaus.jackson.map.ObjectMapper in project databus by linkedin.

the class PhysicalSourcesRequestProcessor method process.

@Override
public DatabusRequest process(DatabusRequest request) throws IOException, RequestProcessingException {
    ObjectMapper mapper = new ObjectMapper();
    StringWriter out = new StringWriter(10240);
    List<PhysicalSourceStaticConfig> sources = _relay.getPhysicalSources();
    if (sources.isEmpty())
        mapper.writeValue(out, new ArrayList<PhysicalSourceStaticConfig>());
    else
        mapper.writeValue(out, sources);
    byte[] resultBytes = out.toString().getBytes(Charset.defaultCharset());
    request.getResponseContent().write(ByteBuffer.wrap(resultBytes));
    HttpStatisticsCollector relayStatsCollector = _relay.getHttpStatisticsCollector();
    if (null != relayStatsCollector) {
        HttpStatisticsCollector connStatsCollector = (HttpStatisticsCollector) request.getParams().get(relayStatsCollector.getName());
        if (null != connStatsCollector) {
            connStatsCollector.registerSourcesCall();
        } else {
            relayStatsCollector.registerSourcesCall();
        }
    }
    return request;
}

Example 43 with ObjectMapper

use of org.codehaus.jackson.map.ObjectMapper in project databus by linkedin.

the class TestRegisterRequestProcessor method testRegisterReqProcessorVx.

// Test of happy path when the protocol version is specified as 2 or 3,
// or not specified at all.
// We should send out the source schemas only, and that too as a list.
private void testRegisterReqProcessorVx(final int protoVersion) throws Exception {
    LOG.info("Verifying happy path with protocol version: " + protoVersion);
    Properties params = new Properties();
    final int srcId1 = 101;
    final String srcName1 = "source-101";
    final String docSchema1 = "docSchema1";
    final String docSchema2 = "docSchema2";
    final short docSchemaV1 = 1;
    final short docSchemaV2 = 2;
    if (protoVersion != 0) {
        params.setProperty(DatabusHttpHeaders.PROTOCOL_VERSION_PARAM, Integer.toString(protoVersion));
    }
    params.setProperty(RegisterRequestProcessor.SOURCES_PARAM, Integer.toString(srcId1));
    final StringBuilder responseStr = new StringBuilder();
    ChunkedWritableByteChannel chunkedWritableByteChannel = EasyMock.createMock(ChunkedWritableByteChannel.class);
    // We should write out proto-version as 3 if none was specified in the input, otherwise match the proto version
    chunkedWritableByteChannel.addMetadata(EasyMock.eq(DatabusHttpHeaders.DBUS_CLIENT_RELAY_PROTOCOL_VERSION_HDR), protoVersion != 0 ? EasyMock.eq(protoVersion) : EasyMock.eq(3));
    EasyMock.expectLastCall().times(1);
    chunkedWritableByteChannel.write(EasyMock.anyObject(ByteBuffer.class));
    EasyMock.expectLastCall().andAnswer(new IAnswer<Object>() {

        @Override
        public Object answer() throws Throwable {
            Charset charset = Charset.forName("UTF-8");
            CharsetDecoder decoder = charset.newDecoder();
            responseStr.append(decoder.decode((ByteBuffer) EasyMock.getCurrentArguments()[0]));
            return responseStr.length();
        }
    });
    EasyMock.replay(chunkedWritableByteChannel);
    DatabusRequest mockReq = EasyMock.createMock(DatabusRequest.class);
    EasyMock.expect(mockReq.getParams()).andReturn(params).anyTimes();
    EasyMock.expect(mockReq.getResponseContent()).andReturn(chunkedWritableByteChannel);
    EasyMock.replay(mockReq);
    LogicalSource lsrc1 = new LogicalSource(srcId1, srcName1);
    SourceIdNameRegistry mockSrcIdReg = EasyMock.createMock(SourceIdNameRegistry.class);
    EasyMock.expect(mockSrcIdReg.getSource(srcId1)).andReturn(lsrc1).anyTimes();
    EasyMock.replay(mockSrcIdReg);
    Map<Short, String> srcSchemaVersions = new HashMap<Short, String>();
    srcSchemaVersions.put(docSchemaV1, docSchema1);
    srcSchemaVersions.put(docSchemaV2, docSchema2);
    SchemaRegistryService mockSchemaReg = EasyMock.createMock(SchemaRegistryService.class);
    EasyMock.expect(mockSchemaReg.fetchAllSchemaVersionsBySourceName(srcName1)).andReturn(srcSchemaVersions).anyTimes();
    EasyMock.replay(mockSchemaReg);
    HttpRelay mockRelay = EasyMock.createMock(HttpRelay.class);
    EasyMock.expect(mockRelay.getHttpStatisticsCollector()).andReturn(null).anyTimes();
    EasyMock.expect(mockRelay.getSourcesIdNameRegistry()).andReturn(mockSrcIdReg).anyTimes();
    EasyMock.expect(mockRelay.getSchemaRegistryService()).andReturn(mockSchemaReg).anyTimes();
    EasyMock.replay(mockRelay);
    RegisterRequestProcessor reqProcessor = new RegisterRequestProcessor(null, mockRelay);
    reqProcessor.process(mockReq);
    ObjectMapper mapper = new ObjectMapper();
    List<RegisterResponseEntry> schemasList = mapper.readValue(responseStr.toString(), new TypeReference<List<RegisterResponseEntry>>() {
    });
    Map<Long, List<RegisterResponseEntry>> sourcesSchemasMap = RegisterResponseEntry.convertSchemaListToMap(schemasList);
    // There should be 1 entry in the map.
    Assert.assertEquals(1, sourcesSchemasMap.size());
    Assert.assertEquals(2, sourcesSchemasMap.get(new Long(srcId1)).size());
    for (RegisterResponseEntry r : sourcesSchemasMap.get(new Long(srcId1))) {
        Assert.assertEquals(srcId1, r.getId());
        if (r.getVersion() == docSchemaV1) {
            Assert.assertEquals(docSchema1, r.getSchema());
        } else {
            Assert.assertEquals(docSchema2, r.getSchema());
        }
    }
    EasyMock.verify(mockRelay);
    EasyMock.verify(mockReq);
    EasyMock.verify(mockSchemaReg);
    EasyMock.verify(mockSrcIdReg);
}

Example 44 with ObjectMapper

use of org.codehaus.jackson.map.ObjectMapper in project databus by linkedin.

the class TestRegisterRequestProcessor method testNullSchemasInGetSchemas.

private void testNullSchemasInGetSchemas(final int protoVersion) throws Exception {
    LOG.info("Testing null return from fetchAllSchemaVersionsBySourceName() with protoversion " + protoVersion);
    Properties params = new Properties();
    final int srcId1 = 101;
    final String srcName1 = "source-101";
    if (protoVersion != 0) {
        params.setProperty(DatabusHttpHeaders.PROTOCOL_VERSION_PARAM, Integer.toString(protoVersion));
    }
    params.setProperty(RegisterRequestProcessor.SOURCES_PARAM, Integer.toString(srcId1));
    final StringBuilder responseStr = new StringBuilder();
    ChunkedWritableByteChannel chunkedWritableByteChannel = EasyMock.createMock(ChunkedWritableByteChannel.class);
    // We should write out proto-version as 3 if none was specified in the input, otherwise match the proto version
    chunkedWritableByteChannel.addMetadata(EasyMock.eq(DatabusHttpHeaders.DBUS_CLIENT_RELAY_PROTOCOL_VERSION_HDR), protoVersion != 0 ? EasyMock.eq(protoVersion) : EasyMock.eq(3));
    EasyMock.expectLastCall().times(1);
    chunkedWritableByteChannel.write(EasyMock.anyObject(ByteBuffer.class));
    EasyMock.expectLastCall().andAnswer(new IAnswer<Object>() {

        @Override
        public Object answer() throws Throwable {
            Charset charset = Charset.forName("UTF-8");
            CharsetDecoder decoder = charset.newDecoder();
            responseStr.append(decoder.decode((ByteBuffer) EasyMock.getCurrentArguments()[0]));
            return responseStr.length();
        }
    });
    EasyMock.replay(chunkedWritableByteChannel);
    DatabusRequest mockReq = EasyMock.createMock(DatabusRequest.class);
    EasyMock.expect(mockReq.getParams()).andReturn(params).anyTimes();
    EasyMock.expect(mockReq.getResponseContent()).andReturn(chunkedWritableByteChannel);
    EasyMock.replay(mockReq);
    LogicalSource lsrc1 = new LogicalSource(srcId1, srcName1);
    SourceIdNameRegistry mockSrcIdReg = EasyMock.createMock(SourceIdNameRegistry.class);
    EasyMock.expect(mockSrcIdReg.getSource(srcId1)).andReturn(lsrc1).anyTimes();
    EasyMock.replay(mockSrcIdReg);
    SchemaRegistryService mockSchemaReg = EasyMock.createMock(SchemaRegistryService.class);
    EasyMock.expect(mockSchemaReg.fetchAllSchemaVersionsBySourceName(srcName1)).andReturn(null);
    EasyMock.replay(mockSchemaReg);
    HttpRelay mockRelay = EasyMock.createMock(HttpRelay.class);
    EasyMock.expect(mockRelay.getHttpStatisticsCollector()).andReturn(null).anyTimes();
    EasyMock.expect(mockRelay.getSourcesIdNameRegistry()).andReturn(mockSrcIdReg).anyTimes();
    EasyMock.expect(mockRelay.getSchemaRegistryService()).andReturn(mockSchemaReg).anyTimes();
    EasyMock.replay(mockRelay);
    RegisterRequestProcessor reqProcessor = new RegisterRequestProcessor(null, mockRelay);
    reqProcessor.process(mockReq);
    ObjectMapper mapper = new ObjectMapper();
    List<RegisterResponseEntry> schemasList = mapper.readValue(responseStr.toString(), new TypeReference<List<RegisterResponseEntry>>() {
    });
    Map<Long, List<RegisterResponseEntry>> sourcesSchemasMap = RegisterResponseEntry.convertSchemaListToMap(schemasList);
    // There should be 1 entry in the map.
    Assert.assertEquals(0, sourcesSchemasMap.size());
    EasyMock.verify(mockRelay);
    EasyMock.verify(mockReq);
    EasyMock.verify(mockSchemaReg);
    EasyMock.verify(mockSrcIdReg);
}

Example 45 with ObjectMapper

use of org.codehaus.jackson.map.ObjectMapper in project databus by linkedin.

the class TestRelayCommandsLocal method testSourcesTrackingCommand.

@Test
public void testSourcesTrackingCommand() throws Exception {
    LOG.debug("\n\nstarting testSourcesTrackingCommand()\n");
    HttpRequest httpRequest = new DefaultHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.GET, "/sources");
    httpRequest.setHeader(DatabusHttpHeaders.DBUS_CLIENT_HOST_HDR, "localhost");
    httpRequest.setHeader(DatabusHttpHeaders.DBUS_CLIENT_SERVICE_HDR, "unittestclient");
    SimpleTestHttpClient httpClient = SimpleTestHttpClient.createLocal(TimeoutPolicy.ALL_TIMEOUTS);
    SimpleHttpResponseHandler respHandler = httpClient.sendRequest(_serverAddress, httpRequest);
    assertTrue("failed to get a response", respHandler.awaitResponseUninterruptedly(1, TimeUnit.SECONDS));
    ByteArrayInputStream in = new ByteArrayInputStream(respHandler.getReceivedBytes());
    ObjectMapper objMapper = new ObjectMapper();
    List<IdNamePair> res = objMapper.readValue(in, new TypeReference<List<IdNamePair>>() {
    });
    assertNotNull("no result", res);
    if (LOG.isDebugEnabled()) {
        LOG.debug("/sources response:" + new String(respHandler.getReceivedBytes()));
    }
    HashSet<IdNamePair> origSet = new HashSet<IdNamePair>(_staticConfig.getSourceIds());
    HashSet<IdNamePair> resSet = new HashSet<IdNamePair>(res);
    Assert.assertEquals(origSet, resSet);
}