org.codehaus.jackson.JsonGenerator#writeStartArray

Source File: ExtensionSerDeserUtils.java From occurrence with Apache License 2.0

6 votes

@Override
public void serialize(List<Map<Term, String>> value, JsonGenerator jgen, SerializerProvider provider)
  throws IOException {
  if ((value == null || value.isEmpty()) && provider.getConfig().isEnabled(Feature.WRITE_EMPTY_JSON_ARRAYS)) {
    jgen.writeStartArray();
    jgen.writeEndArray();
  } else {
    jgen.writeStartArray();
    for (Map<Term, String> extension : value) {
      jgen.writeStartObject();
      for (Entry<Term, String> entry : extension.entrySet()) {
        jgen.writeStringField(entry.getKey().qualifiedName(), entry.getValue());
      }
      jgen.writeEndObject();
    }
    jgen.writeEndArray();
  }
}

Source File: DetectedLanguageWriter.java From stanbol-freeling with GNU Affero General Public License v3.0

6 votes

@Override
public void writeTo(Collection<Language> detected, Class<?> type, Type genericType, Annotation[] annotations,
        MediaType mediaType, MultivaluedMap<String,Object> httpHeaders, OutputStream entityStream)
        throws IOException, WebApplicationException {
    JsonGenerator jg = getJsonFactory().createJsonGenerator(entityStream);
    jg.writeStartArray();
    for(Language lang : detected){
        jg.writeStartObject();
        jg.writeStringField("lang", lang.getLang());
        if(lang.getProb() > 0){
            jg.writeNumberField("prob", lang.getProb());
        }
        jg.writeEndObject();
    }
    jg.writeEndArray();
    jg.close();
}

Source File: AttributesSearchQueryImpl.java From bintray-client-java with Apache License 2.0

6 votes

@Override
public void serialize(AttributesSearchQueryImpl value, JsonGenerator jgen, SerializerProvider provider)
        throws IOException, JsonProcessingException {

    jgen.writeStartArray();
    jgen.writeStartObject();
    jgen.writeArrayFieldStart(value.attributeName);

    @SuppressWarnings("unchecked")
    List<AttributesSearchQueryClauseImpl> clauses = value.getQueryClauses();
    for (AttributesSearchQueryClauseImpl clause : clauses) {
        if (clause.getType().equals(Attribute.Type.Boolean)) {
            jgen.writeBoolean((Boolean) clause.getClauseValue());
        } else if (clause.getType().equals(Attribute.Type.number)) {
            jgen.writeNumber(String.valueOf(clause.getClauseValue()));
        } else {  //String or Date
            jgen.writeString((String) clause.getClauseValue());
        }
    }
    jgen.writeEndArray();
    jgen.writeEndObject();
    jgen.writeEndArray();
}

Source File: Configuration.java From RDFS with Apache License 2.0

6 votes

/**
 *  Writes out all the parameters and their properties (final and resource) to
 *  the given {@link Writer}
 *  The format of the output would be 
 *  { "properties" : [ {key1,value1,key1.isFinal,key1.resource}, {key2,value2,
 *  key2.isFinal,key2.resource}... ] } 
 *  It does not output the parameters of the configuration object which is 
 *  loaded from an input stream.
 * @param out the Writer to write to
 * @throws IOException
 */
public static void dumpConfiguration(Configuration config,
    Writer out) throws IOException {
  JsonFactory dumpFactory = new JsonFactory();
  JsonGenerator dumpGenerator = dumpFactory.createJsonGenerator(out);
  dumpGenerator.writeStartObject();
  dumpGenerator.writeFieldName("properties");
  dumpGenerator.writeStartArray();
  dumpGenerator.flush();
  synchronized (config) {
    for (Map.Entry<Object,Object> item: config.getProps().entrySet()) {
      dumpGenerator.writeStartObject();
      dumpGenerator.writeStringField("key", (String) item.getKey());
      dumpGenerator.writeStringField("value",
                                     config.get((String) item.getKey()));
      dumpGenerator.writeBooleanField("isFinal",
                                      config.finalParameters.contains(item.getKey()));
      dumpGenerator.writeStringField("resource",
                                     config.updatingResource.get(item.getKey()));
      dumpGenerator.writeEndObject();
    }
  }
  dumpGenerator.writeEndArray();
  dumpGenerator.writeEndObject();
  dumpGenerator.flush();
}

Source File: Configuration.java From flink with Apache License 2.0

5 votes

/**
 *  Writes out all the parameters and their properties (final and resource) to
 *  the given {@link Writer}
 *  The format of the output would be
 *  { "properties" : [ {key1,value1,key1.isFinal,key1.resource}, {key2,value2,
 *  key2.isFinal,key2.resource}... ] }
 *  It does not output the parameters of the configuration object which is
 *  loaded from an input stream.
 * @param out the Writer to write to
 * @throws IOException
 */
public static void dumpConfiguration(Configuration config,
    Writer out) throws IOException {
  JsonFactory dumpFactory = new JsonFactory();
  JsonGenerator dumpGenerator = dumpFactory.createJsonGenerator(out);
  dumpGenerator.writeStartObject();
  dumpGenerator.writeFieldName("properties");
  dumpGenerator.writeStartArray();
  dumpGenerator.flush();
  synchronized (config) {
    for (Entry<Object,Object> item: config.getProps().entrySet()) {
      dumpGenerator.writeStartObject();
      dumpGenerator.writeStringField("key", (String) item.getKey());
      dumpGenerator.writeStringField("value",
                                     config.get((String) item.getKey()));
      dumpGenerator.writeBooleanField("isFinal",
                                      config.finalParameters.contains(item.getKey()));
      String[] resources = config.updatingResource.get(item.getKey());
      String resource = UNKNOWN_RESOURCE;
      if(resources != null && resources.length > 0) {
        resource = resources[0];
      }
      dumpGenerator.writeStringField("resource", resource);
      dumpGenerator.writeEndObject();
    }
  }
  dumpGenerator.writeEndArray();
  dumpGenerator.writeEndObject();
  dumpGenerator.flush();
}

Source File: WriteJsonResult.java From nifi with Apache License 2.0

5 votes

private void writeArray(final Object[] values, final String fieldName, final JsonGenerator generator, final DataType elementType) throws IOException {
    generator.writeStartArray();
    for (final Object element : values) {
        writeValue(generator, element, fieldName, elementType);
    }
    generator.writeEndArray();
}

Source File: Configuration.java From flink with Apache License 2.0

5 votes

/**
 *  Writes out all the parameters and their properties (final and resource) to
 *  the given {@link Writer}
 *  The format of the output would be
 *  { "properties" : [ {key1,value1,key1.isFinal,key1.resource}, {key2,value2,
 *  key2.isFinal,key2.resource}... ] }
 *  It does not output the parameters of the configuration object which is
 *  loaded from an input stream.
 * @param out the Writer to write to
 * @throws IOException
 */
public static void dumpConfiguration(Configuration config,
    Writer out) throws IOException {
  JsonFactory dumpFactory = new JsonFactory();
  JsonGenerator dumpGenerator = dumpFactory.createJsonGenerator(out);
  dumpGenerator.writeStartObject();
  dumpGenerator.writeFieldName("properties");
  dumpGenerator.writeStartArray();
  dumpGenerator.flush();
  synchronized (config) {
    for (Entry<Object,Object> item: config.getProps().entrySet()) {
      dumpGenerator.writeStartObject();
      dumpGenerator.writeStringField("key", (String) item.getKey());
      dumpGenerator.writeStringField("value",
                                     config.get((String) item.getKey()));
      dumpGenerator.writeBooleanField("isFinal",
                                      config.finalParameters.contains(item.getKey()));
      String[] resources = config.updatingResource.get(item.getKey());
      String resource = UNKNOWN_RESOURCE;
      if(resources != null && resources.length > 0) {
        resource = resources[0];
      }
      dumpGenerator.writeStringField("resource", resource);
      dumpGenerator.writeEndObject();
    }
  }
  dumpGenerator.writeEndArray();
  dumpGenerator.writeEndObject();
  dumpGenerator.flush();
}

Source File: Configuration.java From big-c with Apache License 2.0

5 votes

/**
 *  Writes out all the parameters and their properties (final and resource) to
 *  the given {@link Writer}
 *  The format of the output would be 
 *  { "properties" : [ {key1,value1,key1.isFinal,key1.resource}, {key2,value2,
 *  key2.isFinal,key2.resource}... ] } 
 *  It does not output the parameters of the configuration object which is 
 *  loaded from an input stream.
 * @param out the Writer to write to
 * @throws IOException
 */
public static void dumpConfiguration(Configuration config,
    Writer out) throws IOException {
  JsonFactory dumpFactory = new JsonFactory();
  JsonGenerator dumpGenerator = dumpFactory.createJsonGenerator(out);
  dumpGenerator.writeStartObject();
  dumpGenerator.writeFieldName("properties");
  dumpGenerator.writeStartArray();
  dumpGenerator.flush();
  synchronized (config) {
    for (Map.Entry<Object,Object> item: config.getProps().entrySet()) {
      dumpGenerator.writeStartObject();
      dumpGenerator.writeStringField("key", (String) item.getKey());
      dumpGenerator.writeStringField("value", 
                                     config.get((String) item.getKey()));
      dumpGenerator.writeBooleanField("isFinal",
                                      config.finalParameters.contains(item.getKey()));
      String[] resources = config.updatingResource.get(item.getKey());
      String resource = UNKNOWN_RESOURCE;
      if(resources != null && resources.length > 0) {
        resource = resources[0];
      }
      dumpGenerator.writeStringField("resource", resource);
      dumpGenerator.writeEndObject();
    }
  }
  dumpGenerator.writeEndArray();
  dumpGenerator.writeEndObject();
  dumpGenerator.flush();
}

Source File: JMXJsonServlet.java From big-c with Apache License 2.0

5 votes

private void writeObject(JsonGenerator jg, Object value) throws IOException {
  if(value == null) {
    jg.writeNull();
  } else {
    Class<?> c = value.getClass();
    if (c.isArray()) {
      jg.writeStartArray();
      int len = Array.getLength(value);
      for (int j = 0; j < len; j++) {
        Object item = Array.get(value, j);
        writeObject(jg, item);
      }
      jg.writeEndArray();
    } else if(value instanceof Number) {
      Number n = (Number)value;
      jg.writeNumber(n.toString());
    } else if(value instanceof Boolean) {
      Boolean b = (Boolean)value;
      jg.writeBoolean(b);
    } else if(value instanceof CompositeData) {
      CompositeData cds = (CompositeData)value;
      CompositeType comp = cds.getCompositeType();
      Set<String> keys = comp.keySet();
      jg.writeStartObject();
      for(String key: keys) {
        writeAttribute(jg, key, cds.get(key));
      }
      jg.writeEndObject();
    } else if(value instanceof TabularData) {
      TabularData tds = (TabularData)value;
      jg.writeStartArray();
      for(Object entry : tds.values()) {
        writeObject(jg, entry);
      }
      jg.writeEndArray();
    } else {
      jg.writeString(value.toString());
    }
  }
}

Source File: QueueManager.java From big-c with Apache License 2.0

5 votes

/***
 * Dumps the configuration of hierarchy of queues with 
 * the xml file path given. It is to be used directly ONLY FOR TESTING.
 * @param out the writer object to which dump is written to.
 * @param configFile the filename of xml file
 * @throws IOException
 */
static void dumpConfiguration(Writer out, String configFile,
    Configuration conf) throws IOException {
  if (conf != null && conf.get(DeprecatedQueueConfigurationParser.
      MAPRED_QUEUE_NAMES_KEY) != null) {
    return;
  }
  
  JsonFactory dumpFactory = new JsonFactory();
  JsonGenerator dumpGenerator = dumpFactory.createJsonGenerator(out);
  QueueConfigurationParser parser;
  boolean aclsEnabled = false;
  if (conf != null) {
    aclsEnabled = conf.getBoolean(MRConfig.MR_ACLS_ENABLED, false);
  }
  if (configFile != null && !"".equals(configFile)) {
    parser = new QueueConfigurationParser(configFile, aclsEnabled);
  }
  else {
    parser = getQueueConfigurationParser(null, false, aclsEnabled);
  }
  dumpGenerator.writeStartObject();
  dumpGenerator.writeFieldName("queues");
  dumpGenerator.writeStartArray();
  dumpConfiguration(dumpGenerator,parser.getRoot().getChildren());
  dumpGenerator.writeEndArray();
  dumpGenerator.writeEndObject();
  dumpGenerator.flush();
}

Source File: Configuration.java From hadoop with Apache License 2.0

5 votes

/**
 *  Writes out all the parameters and their properties (final and resource) to
 *  the given {@link Writer}
 *  The format of the output would be 
 *  { "properties" : [ {key1,value1,key1.isFinal,key1.resource}, {key2,value2,
 *  key2.isFinal,key2.resource}... ] } 
 *  It does not output the parameters of the configuration object which is 
 *  loaded from an input stream.
 * @param out the Writer to write to
 * @throws IOException
 */
public static void dumpConfiguration(Configuration config,
    Writer out) throws IOException {
  JsonFactory dumpFactory = new JsonFactory();
  JsonGenerator dumpGenerator = dumpFactory.createJsonGenerator(out);
  dumpGenerator.writeStartObject();
  dumpGenerator.writeFieldName("properties");
  dumpGenerator.writeStartArray();
  dumpGenerator.flush();
  synchronized (config) {
    for (Map.Entry<Object,Object> item: config.getProps().entrySet()) {
      dumpGenerator.writeStartObject();
      dumpGenerator.writeStringField("key", (String) item.getKey());
      dumpGenerator.writeStringField("value", 
                                     config.get((String) item.getKey()));
      dumpGenerator.writeBooleanField("isFinal",
                                      config.finalParameters.contains(item.getKey()));
      String[] resources = config.updatingResource.get(item.getKey());
      String resource = UNKNOWN_RESOURCE;
      if(resources != null && resources.length > 0) {
        resource = resources[0];
      }
      dumpGenerator.writeStringField("resource", resource);
      dumpGenerator.writeEndObject();
    }
  }
  dumpGenerator.writeEndArray();
  dumpGenerator.writeEndObject();
  dumpGenerator.flush();
}

Source File: JMXJsonServlet.java From hadoop with Apache License 2.0

5 votes

private void writeObject(JsonGenerator jg, Object value) throws IOException {
  if(value == null) {
    jg.writeNull();
  } else {
    Class<?> c = value.getClass();
    if (c.isArray()) {
      jg.writeStartArray();
      int len = Array.getLength(value);
      for (int j = 0; j < len; j++) {
        Object item = Array.get(value, j);
        writeObject(jg, item);
      }
      jg.writeEndArray();
    } else if(value instanceof Number) {
      Number n = (Number)value;
      jg.writeNumber(n.toString());
    } else if(value instanceof Boolean) {
      Boolean b = (Boolean)value;
      jg.writeBoolean(b);
    } else if(value instanceof CompositeData) {
      CompositeData cds = (CompositeData)value;
      CompositeType comp = cds.getCompositeType();
      Set<String> keys = comp.keySet();
      jg.writeStartObject();
      for(String key: keys) {
        writeAttribute(jg, key, cds.get(key));
      }
      jg.writeEndObject();
    } else if(value instanceof TabularData) {
      TabularData tds = (TabularData)value;
      jg.writeStartArray();
      for(Object entry : tds.values()) {
        writeObject(jg, entry);
      }
      jg.writeEndArray();
    } else {
      jg.writeString(value.toString());
    }
  }
}

Source File: QueueManager.java From hadoop with Apache License 2.0

5 votes

/***
 * Dumps the configuration of hierarchy of queues with 
 * the xml file path given. It is to be used directly ONLY FOR TESTING.
 * @param out the writer object to which dump is written to.
 * @param configFile the filename of xml file
 * @throws IOException
 */
static void dumpConfiguration(Writer out, String configFile,
    Configuration conf) throws IOException {
  if (conf != null && conf.get(DeprecatedQueueConfigurationParser.
      MAPRED_QUEUE_NAMES_KEY) != null) {
    return;
  }
  
  JsonFactory dumpFactory = new JsonFactory();
  JsonGenerator dumpGenerator = dumpFactory.createJsonGenerator(out);
  QueueConfigurationParser parser;
  boolean aclsEnabled = false;
  if (conf != null) {
    aclsEnabled = conf.getBoolean(MRConfig.MR_ACLS_ENABLED, false);
  }
  if (configFile != null && !"".equals(configFile)) {
    parser = new QueueConfigurationParser(configFile, aclsEnabled);
  }
  else {
    parser = getQueueConfigurationParser(null, false, aclsEnabled);
  }
  dumpGenerator.writeStartObject();
  dumpGenerator.writeFieldName("queues");
  dumpGenerator.writeStartArray();
  dumpConfiguration(dumpGenerator,parser.getRoot().getChildren());
  dumpGenerator.writeEndArray();
  dumpGenerator.writeEndObject();
  dumpGenerator.flush();
}

Source File: SiteToSiteReceiver.java From localization_nifi with Apache License 2.0

5 votes

public TransactionCompletion receiveFiles() throws IOException {
    Transaction transaction = siteToSiteClient.createTransaction(TransferDirection.RECEIVE);
    JsonGenerator jsonGenerator = new JsonFactory().createJsonGenerator(output);
    jsonGenerator.writeStartArray();
    DataPacket dataPacket;
    while ((dataPacket = transaction.receive()) != null) {
        jsonGenerator.writeStartObject();
        jsonGenerator.writeFieldName("attributes");
        jsonGenerator.writeStartObject();
        Map<String, String> attributes = dataPacket.getAttributes();
        if (attributes != null) {
            for (Map.Entry<String, String> stringStringEntry : attributes.entrySet()) {
                jsonGenerator.writeStringField(stringStringEntry.getKey(), stringStringEntry.getValue());
            }
        }
        jsonGenerator.writeEndObject();
        InputStream data = dataPacket.getData();
        if (data != null) {
            jsonGenerator.writeBinaryField("data", IOUtils.toByteArray(data));
        }
        jsonGenerator.writeEndObject();
    }
    jsonGenerator.writeEndArray();
    jsonGenerator.close();
    transaction.confirm();
    return transaction.complete();
}

Source File: Configuration.java From Flink-CEPplus with Apache License 2.0

5 votes

/**
 *  Writes out all the parameters and their properties (final and resource) to
 *  the given {@link Writer}
 *  The format of the output would be
 *  { "properties" : [ {key1,value1,key1.isFinal,key1.resource}, {key2,value2,
 *  key2.isFinal,key2.resource}... ] }
 *  It does not output the parameters of the configuration object which is
 *  loaded from an input stream.
 * @param out the Writer to write to
 * @throws IOException
 */
public static void dumpConfiguration(Configuration config,
    Writer out) throws IOException {
  JsonFactory dumpFactory = new JsonFactory();
  JsonGenerator dumpGenerator = dumpFactory.createJsonGenerator(out);
  dumpGenerator.writeStartObject();
  dumpGenerator.writeFieldName("properties");
  dumpGenerator.writeStartArray();
  dumpGenerator.flush();
  synchronized (config) {
    for (Entry<Object,Object> item: config.getProps().entrySet()) {
      dumpGenerator.writeStartObject();
      dumpGenerator.writeStringField("key", (String) item.getKey());
      dumpGenerator.writeStringField("value",
                                     config.get((String) item.getKey()));
      dumpGenerator.writeBooleanField("isFinal",
                                      config.finalParameters.contains(item.getKey()));
      String[] resources = config.updatingResource.get(item.getKey());
      String resource = UNKNOWN_RESOURCE;
      if(resources != null && resources.length > 0) {
        resource = resources[0];
      }
      dumpGenerator.writeStringField("resource", resource);
      dumpGenerator.writeEndObject();
    }
  }
  dumpGenerator.writeEndArray();
  dumpGenerator.writeEndObject();
  dumpGenerator.flush();
}

Source File: QueueManager.java From big-c with Apache License 2.0

4 votes

/**
 * method to perform depth-first search and write the parameters of every 
 * queue in JSON format.
 * @param dumpGenerator JsonGenerator object which takes the dump and flushes
 *  to a writer object
 * @param rootQueues the top-level queues
 * @throws JsonGenerationException
 * @throws IOException
 */
private static void dumpConfiguration(JsonGenerator dumpGenerator,
    Set<Queue> rootQueues) throws JsonGenerationException, IOException {
  for (Queue queue : rootQueues) {
    dumpGenerator.writeStartObject();
    dumpGenerator.writeStringField("name", queue.getName());
    dumpGenerator.writeStringField("state", queue.getState().toString());
    AccessControlList submitJobList = null;
    AccessControlList administerJobsList = null;
    if (queue.getAcls() != null) {
      submitJobList =
        queue.getAcls().get(toFullPropertyName(queue.getName(),
            QueueACL.SUBMIT_JOB.getAclName()));
      administerJobsList =
        queue.getAcls().get(toFullPropertyName(queue.getName(),
            QueueACL.ADMINISTER_JOBS.getAclName()));
    }
    String aclsSubmitJobValue = " ";
    if (submitJobList != null ) {
      aclsSubmitJobValue = submitJobList.getAclString();
    }
    dumpGenerator.writeStringField("acl_submit_job", aclsSubmitJobValue);
    String aclsAdministerValue = " ";
    if (administerJobsList != null) {
      aclsAdministerValue = administerJobsList.getAclString();
    }
    dumpGenerator.writeStringField("acl_administer_jobs",
        aclsAdministerValue);
    dumpGenerator.writeFieldName("properties");
    dumpGenerator.writeStartArray();
    if (queue.getProperties() != null) {
      for (Map.Entry<Object, Object>property :
        queue.getProperties().entrySet()) {
        dumpGenerator.writeStartObject();
        dumpGenerator.writeStringField("key", (String)property.getKey());
        dumpGenerator.writeStringField("value", (String)property.getValue());
        dumpGenerator.writeEndObject();
      }
    }
    dumpGenerator.writeEndArray();
    Set<Queue> childQueues = queue.getChildren();
    dumpGenerator.writeFieldName("children");
    dumpGenerator.writeStartArray();
    if (childQueues != null && childQueues.size() > 0) {
      dumpConfiguration(dumpGenerator, childQueues);
    }
    dumpGenerator.writeEndArray();
    dumpGenerator.writeEndObject();
  }
}

Source File: QueueManager.java From hadoop with Apache License 2.0

4 votes

/**
 * method to perform depth-first search and write the parameters of every 
 * queue in JSON format.
 * @param dumpGenerator JsonGenerator object which takes the dump and flushes
 *  to a writer object
 * @param rootQueues the top-level queues
 * @throws JsonGenerationException
 * @throws IOException
 */
private static void dumpConfiguration(JsonGenerator dumpGenerator,
    Set<Queue> rootQueues) throws JsonGenerationException, IOException {
  for (Queue queue : rootQueues) {
    dumpGenerator.writeStartObject();
    dumpGenerator.writeStringField("name", queue.getName());
    dumpGenerator.writeStringField("state", queue.getState().toString());
    AccessControlList submitJobList = null;
    AccessControlList administerJobsList = null;
    if (queue.getAcls() != null) {
      submitJobList =
        queue.getAcls().get(toFullPropertyName(queue.getName(),
            QueueACL.SUBMIT_JOB.getAclName()));
      administerJobsList =
        queue.getAcls().get(toFullPropertyName(queue.getName(),
            QueueACL.ADMINISTER_JOBS.getAclName()));
    }
    String aclsSubmitJobValue = " ";
    if (submitJobList != null ) {
      aclsSubmitJobValue = submitJobList.getAclString();
    }
    dumpGenerator.writeStringField("acl_submit_job", aclsSubmitJobValue);
    String aclsAdministerValue = " ";
    if (administerJobsList != null) {
      aclsAdministerValue = administerJobsList.getAclString();
    }
    dumpGenerator.writeStringField("acl_administer_jobs",
        aclsAdministerValue);
    dumpGenerator.writeFieldName("properties");
    dumpGenerator.writeStartArray();
    if (queue.getProperties() != null) {
      for (Map.Entry<Object, Object>property :
        queue.getProperties().entrySet()) {
        dumpGenerator.writeStartObject();
        dumpGenerator.writeStringField("key", (String)property.getKey());
        dumpGenerator.writeStringField("value", (String)property.getValue());
        dumpGenerator.writeEndObject();
      }
    }
    dumpGenerator.writeEndArray();
    Set<Queue> childQueues = queue.getChildren();
    dumpGenerator.writeFieldName("children");
    dumpGenerator.writeStartArray();
    if (childQueues != null && childQueues.size() > 0) {
      dumpConfiguration(dumpGenerator, childQueues);
    }
    dumpGenerator.writeEndArray();
    dumpGenerator.writeEndObject();
  }
}

Java Code Examples for org.codehaus.jackson.JsonGenerator#writeStartArray()