Package org.codehaus.jackson

Examples of org.codehaus.jackson.JsonGenerator

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        JsonFactory f = new JsonFactory();
        try
        {
            FileOutputStream fos = new FileOutputStream(tmpFile);
            JsonGenerator g = f.createJsonGenerator(fos, JsonEncoding.UTF8);
            g.useDefaultPrettyPrinter();
            g.writeStartObject();
            g.writeArrayFieldStart("generations");
            for (int level = 0; level < generations.length; level++)
            {
                g.writeStartObject();
                g.writeNumberField("generation", level);
                g.writeArrayFieldStart("members");
                for (SSTableReader ssTableReader : generations[level])
                    g.writeNumber(ssTableReader.descriptor.generation);
                g.writeEndArray(); // members

                g.writeEndObject(); // generation
            }
            g.writeEndArray(); // for field generations
            g.writeEndObject(); // write global object
            g.flush();
            fos.getFD().sync();
            g.close();
        }
        catch (IOException e)
        {
            throw new FSWriteError(e, tmpFile);
        }
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   * @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();
  }
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   * @param pretty if true, pretty-print JSON.
   */
  public String toString(boolean pretty) {
    try {
      StringWriter writer = new StringWriter();
      JsonGenerator gen = FACTORY.createJsonGenerator(writer);
      if (pretty) gen.useDefaultPrettyPrinter();
      toJson(new Names(), gen);
      gen.flush();
      return writer.toString();
    } catch (IOException e) {
      throw new AvroRuntimeException(e);
    }
  }
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   * @param pretty if true, pretty-print JSON.
   */
  public String toString(boolean pretty) {
    try {
      StringWriter writer = new StringWriter();
      JsonGenerator gen = Schema.FACTORY.createJsonGenerator(writer);
      if (pretty) gen.useDefaultPrettyPrinter();
      toJson(gen);
      gen.flush();
      return writer.toString();
    } catch (IOException e) {
      throw new AvroRuntimeException(e);
    }
  }
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    }

    public String toString() {
      try {
        StringWriter writer = new StringWriter();
        JsonGenerator gen = Schema.FACTORY.createJsonGenerator(writer);
        toJson(gen);
        gen.flush();
        return writer.toString();
      } catch (IOException e) {
        throw new AvroRuntimeException(e);
      }
    }
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   * @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();
  }
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   * @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();
  }
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  // with pretty option use default pretty printer with root line separator.
  private static JsonGenerator getJsonGenerator(OutputStream out, boolean pretty)
      throws IOException {
    if (null == out)
      throw new NullPointerException("OutputStream cannot be null");
    JsonGenerator g
      = new JsonFactory().createJsonGenerator(out, JsonEncoding.UTF8);
    if (pretty) {
      DefaultPrettyPrinter pp = new DefaultPrettyPrinter() {
        //@Override
        public void writeRootValueSeparator(JsonGenerator jg)
            throws IOException
        {
          jg.writeRaw(LINE_SEPARATOR);
        }
      };
      g.setPrettyPrinter(pp);
    } else {
      MinimalPrettyPrinter pp = new MinimalPrettyPrinter();
      pp.setRootValueSeparator(LINE_SEPARATOR);
      g.setPrettyPrinter(pp);
    }
    return g;
  }
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   * @param pretty if true, pretty-print JSON.
   */
  public String toString(boolean pretty) {
    try {
      StringWriter writer = new StringWriter();
      JsonGenerator gen = FACTORY.createJsonGenerator(writer);
      if (pretty) gen.useDefaultPrettyPrinter();
      toJson(new Names(), gen);
      gen.flush();
      return writer.toString();
    } catch (IOException e) {
      throw new AvroRuntimeException(e);
    }
  }
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  // with pretty option use default pretty printer with root line separator.
  private static JsonGenerator getJsonGenerator(OutputStream out, boolean pretty)
      throws IOException {
    if (null == out)
      throw new NullPointerException("OutputStream cannot be null");
    JsonGenerator g
      = new JsonFactory().createJsonGenerator(out, JsonEncoding.UTF8);
    if (pretty) {
      DefaultPrettyPrinter pp = new DefaultPrettyPrinter() {
        //@Override
        public void writeRootValueSeparator(JsonGenerator jg)
            throws IOException
        {
          jg.writeRaw(LINE_SEPARATOR);
        }
      };
      g.setPrettyPrinter(pp);
    } else {
      MinimalPrettyPrinter pp = new MinimalPrettyPrinter();
      pp.setRootValueSeparator(LINE_SEPARATOR);
      g.setPrettyPrinter(pp);
    }
    return g;
  }
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