Package com.fasterxml.jackson.core

Examples of com.fasterxml.jackson.core.JsonParser

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        public String gateway = null;
    }
   
    protected void jsonToNetworkDefinition(String json, NetworkDefinition network) throws IOException {
        MappingJsonFactory f = new MappingJsonFactory();
        JsonParser jp;
       
        try {
            jp = f.createJsonParser(json);
        } catch (JsonParseException e) {
            throw new IOException(e);
        }
       
        jp.nextToken();
        if (jp.getCurrentToken() != JsonToken.START_OBJECT) {
            throw new IOException("Expected START_OBJECT");
        }
       
        while (jp.nextToken() != JsonToken.END_OBJECT) {
            if (jp.getCurrentToken() != JsonToken.FIELD_NAME) {
                throw new IOException("Expected FIELD_NAME");
            }
           
            String n = jp.getCurrentName();
            jp.nextToken();
            if (jp.getText().equals(""))
                continue;
            else if (n.equals("network")) {
                while (jp.nextToken() != JsonToken.END_OBJECT) {
                    String field = jp.getCurrentName();
                    if (field == null) continue;
                    if (field.equals("name")) {
                        network.name = jp.getText();
                    } else if (field.equals("gateway")) {
                      String gw = jp.getText();
                      if ((gw != null) && (!gw.equals("null")))
                        network.gateway = gw;
                    } else if (field.equals("id")) {
                      network.guid = jp.getText();
                    } else {
                        log.warn("Unrecognized field {} in " +
                            "parsing network definition",
                            jp.getText());
                    }
                }
            }
        }
       
        jp.close();
    }
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        String attachment = null; // Attachment name
    }
   
    protected void jsonToHostDefinition(String json, HostDefinition host) throws IOException {
        MappingJsonFactory f = new MappingJsonFactory();
        JsonParser jp;
       
        try {
            jp = f.createJsonParser(json);
        } catch (JsonParseException e) {
            throw new IOException(e);
        }
       
        jp.nextToken();
        if (jp.getCurrentToken() != JsonToken.START_OBJECT) {
            throw new IOException("Expected START_OBJECT");
        }
       
        while (jp.nextToken() != JsonToken.END_OBJECT) {
            if (jp.getCurrentToken() != JsonToken.FIELD_NAME) {
                throw new IOException("Expected FIELD_NAME");
            }
           
            String n = jp.getCurrentName();
            jp.nextToken();
            if (jp.getText().equals(""))
                continue;
            else if (n.equals("attachment")) {
                while (jp.nextToken() != JsonToken.END_OBJECT) {
                    String field = jp.getCurrentName();
                    if (field.equals("id")) {
                        host.attachment = jp.getText();
                    } else if (field.equals("mac")) {
                        host.mac = jp.getText();
                    }
                }
            }
        }
       
        jp.close();
    }
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        log.trace("Parsing service response JSON");

        String CRC32Checksum = response.getHeaders().get("x-amz-crc32");
        CRC32ChecksumCalculatingInputStream crc32ChecksumInputStream = null;

        JsonParser jsonParser = null;

        if (!needsConnectionLeftOpen) {
            if (CRC32Checksum != null) {
                crc32ChecksumInputStream = new CRC32ChecksumCalculatingInputStream(response.getContent());
                jsonParser = jsonFactory.createParser(crc32ChecksumInputStream);
            } else {
                jsonParser = jsonFactory.createParser(response.getContent());
            }
        }

        try {
            AmazonWebServiceResponse<T> awsResponse = new AmazonWebServiceResponse<T>();
            JsonUnmarshallerContext unmarshallerContext = new JsonUnmarshallerContextImpl(
                    jsonParser, response);
            registerAdditionalMetadataExpressions(unmarshallerContext);

            T result = responseUnmarshaller.unmarshall(unmarshallerContext);

            if (CRC32Checksum != null) {
                long serverSideCRC = Long.parseLong(CRC32Checksum);
                long clientSideCRC = crc32ChecksumInputStream.getCRC32Checksum();
                if (clientSideCRC != serverSideCRC) {
                    throw new CRC32MismatchException("Client calculated crc32 checksum didn't match that calculated by server side");
                }
            }

            awsResponse.setResult(result);

            Map<String, String> metadata = unmarshallerContext.getMetadata();
            metadata.put(ResponseMetadata.AWS_REQUEST_ID, response.getHeaders().get("x-amzn-RequestId"));
            awsResponse.setResponseMetadata(new ResponseMetadata(metadata));

            log.trace("Done parsing service response");
            return awsResponse;
        } finally {
            if (!needsConnectionLeftOpen) {
                try {
                    jsonParser.close();
                } catch (IOException e) {
                    log.warn("Error closing json parser", e);
                }
            }
        }
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    private Map<String, String> parseJSON(String jsonmessage){
        Map<String, String> parsed = new HashMap<String, String>();
        JsonFactory jf = new JsonFactory();
        try {
            JsonParser parser = jf.createJsonParser(jsonmessage);
            parser.nextToken(); //shift past the START_OBJECT that begins the JSON
            while (parser.nextToken() != JsonToken.END_OBJECT) {
                String fieldname = parser.getCurrentName();
                parser.nextToken(); // move to value, or START_OBJECT/START_ARRAY
                String value;
                if (parser.getCurrentToken() == JsonToken.START_ARRAY)
                {
                    value = "";
                    boolean first = true;
                    while (parser.nextToken() != JsonToken.END_ARRAY)
                    {
                        if (!first) value += ",";
                        first = false;
                        value += parser.getText();
                    }
                }
                else
                {
                    value = parser.getText();
                }
                parsed.put(fieldname, value);
            }
        } catch (JsonParseException e) {
            // JSON could not be parsed
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    protected int testDeser(JsonFactory jf, byte[] input, int reps)
        throws Exception
    {
        MediaItem item = null;
        for (int i = 0; i < reps; ++i) {
            JsonParser jp = jf.createParser(input);
            item = MediaItem.deserialize(jp);
            jp.close();
        }
        return item.hashCode(); // just to get some non-optimizable number
    }
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    public T readFully(InputStream utf8Body)
        throws IOException, JsonReadException
    {
        try {
            JsonParser parser = jsonFactory.createParser(utf8Body);
            return readFully(parser);
        }
        catch (JsonParseException ex) {
            throw JsonReadException.fromJackson(ex);
        }
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    public T readFully(String body)
        throws JsonReadException
    {
        try {
            JsonParser parser = jsonFactory.createParser(body);
            try {
                return readFully(parser);
            }
            finally {
                parser.close();
            }
        }
        catch (JsonParseException ex) {
            throw JsonReadException.fromJackson(ex);
        }
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    public T readFully(byte[] utf8Body)
        throws JsonReadException
    {
        try {
            JsonParser parser = jsonFactory.createParser(utf8Body);
            try {
                return readFully(parser);
            }
            finally {
                parser.close();
            }
        }
        catch (JsonParseException ex) {
            throw JsonReadException.fromJackson(ex);
        }
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        assertEquals(MessagePackGenerator.class, generator.getClass());
    }

    @Test
    public void testCreateParser() throws IOException {
        JsonParser parser = factory.createParser(in);
        assertEquals(MessagePackParser.class, parser.getClass());
    }
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  }

  public RecordIterator getRecordsFromStream(InputStream is) {
    JsonFactory jsonFactory = new JsonFactory();
    try {
      JsonParser jp = jsonFactory.createParser(is);
      return new JsonIterator(jp);
    } catch (IOException e) {
      throw new DukeException(e);
    }
  }
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