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

The following examples show how to use org.codehaus.jackson.JsonGenerator#flush() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: Configuration.java    From RDFS with Apache License 2.0 6 votes vote down vote up 
/**
 *  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();
}
Example 2
Source File: Configuration.java    From Flink-CEPplus with Apache License 2.0 5 votes vote down vote up 
/**
 *  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();
}
Example 3
Source File: Configuration.java    From flink with Apache License 2.0 5 votes vote down vote up 
/**
 *  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();
}
Example 4
Source File: QueueManager.java    From hadoop with Apache License 2.0 5 votes vote down vote up 
/***
 * 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();
}
Example 5
Source File: Log4Json.java    From hadoop with Apache License 2.0 5 votes vote down vote up 
/**
 * Build a JSON entry from the parameters. This is public for testing.
 *
 * @param writer destination
 * @param loggerName logger name
 * @param timeStamp time_t value
 * @param level level string
 * @param threadName name of the thread
 * @param message rendered message
 * @param ti nullable thrown information
 * @return the writer
 * @throws IOException on any problem
 */
public Writer toJson(final Writer writer,
                     final String loggerName,
                     final long timeStamp,
                     final String level,
                     final String threadName,
                     final String message,
                     final ThrowableInformation ti) throws IOException {
  JsonGenerator json = factory.createJsonGenerator(writer);
  json.writeStartObject();
  json.writeStringField(NAME, loggerName);
  json.writeNumberField(TIME, timeStamp);
  Date date = new Date(timeStamp);
  json.writeStringField(DATE, dateFormat.format(date));
  json.writeStringField(LEVEL, level);
  json.writeStringField(THREAD, threadName);
  json.writeStringField(MESSAGE, message);
  if (ti != null) {
    //there is some throwable info, but if the log event has been sent over the wire,
    //there may not be a throwable inside it, just a summary.
    Throwable thrown = ti.getThrowable();
    String eclass = (thrown != null) ?
        thrown.getClass().getName()
        : "";
    json.writeStringField(EXCEPTION_CLASS, eclass);
    String[] stackTrace = ti.getThrowableStrRep();
    json.writeArrayFieldStart(STACK);
    for (String row : stackTrace) {
      json.writeString(row);
    }
    json.writeEndArray();
  }
  json.writeEndObject();
  json.flush();
  json.close();
  return writer;
}
Example 6
Source File: Configuration.java    From hadoop with Apache License 2.0 5 votes vote down vote up 
/**
 *  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();
}
Example 7
Source File: QueueManager.java    From big-c with Apache License 2.0 5 votes vote down vote up 
/***
 * 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();
}
Example 8
Source File: Log4Json.java    From big-c with Apache License 2.0 5 votes vote down vote up 
/**
 * Build a JSON entry from the parameters. This is public for testing.
 *
 * @param writer destination
 * @param loggerName logger name
 * @param timeStamp time_t value
 * @param level level string
 * @param threadName name of the thread
 * @param message rendered message
 * @param ti nullable thrown information
 * @return the writer
 * @throws IOException on any problem
 */
public Writer toJson(final Writer writer,
                     final String loggerName,
                     final long timeStamp,
                     final String level,
                     final String threadName,
                     final String message,
                     final ThrowableInformation ti) throws IOException {
  JsonGenerator json = factory.createJsonGenerator(writer);
  json.writeStartObject();
  json.writeStringField(NAME, loggerName);
  json.writeNumberField(TIME, timeStamp);
  Date date = new Date(timeStamp);
  json.writeStringField(DATE, dateFormat.format(date));
  json.writeStringField(LEVEL, level);
  json.writeStringField(THREAD, threadName);
  json.writeStringField(MESSAGE, message);
  if (ti != null) {
    //there is some throwable info, but if the log event has been sent over the wire,
    //there may not be a throwable inside it, just a summary.
    Throwable thrown = ti.getThrowable();
    String eclass = (thrown != null) ?
        thrown.getClass().getName()
        : "";
    json.writeStringField(EXCEPTION_CLASS, eclass);
    String[] stackTrace = ti.getThrowableStrRep();
    json.writeArrayFieldStart(STACK);
    for (String row : stackTrace) {
      json.writeString(row);
    }
    json.writeEndArray();
  }
  json.writeEndObject();
  json.flush();
  json.close();
  return writer;
}
Example 9
Source File: Configuration.java    From big-c with Apache License 2.0 5 votes vote down vote up 
/**
 *  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();
}
Example 10
Source File: Configuration.java    From flink with Apache License 2.0 5 votes vote down vote up 
/**
 *  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();
}
Example 11
Source File: GlobalMetadata.java    From incubator-gobblin with Apache License 2.0 5 votes vote down vote up 
protected void toJsonUtf8(JsonGenerator generator) throws IOException {
  generator.writeStartObject();
  generator.writeStringField("id", getId());
  bodyToJsonUtf8(generator);
  generator.writeEndObject();
  generator.flush();
}