Examples of com.fasterxml.jackson.core.JsonGenerator.writeStartObject()

Class com.fasterxml.jackson.core.JsonGenerator

Examples of com.fasterxml.jackson.core.JsonGenerator.writeStartObject()

com.fasterxml.jackson.core.JsonGenerator.writeStartObject()
Method for writing starting marker of a JSON Object value (character '{'; plus possible white space decoration if pretty-printing is enabled).
Object values can be written in any context where values are allowed: meaning everywhere except for when a field name is expected.

                    HystrixCircuitBreaker circuitBreaker = HystrixCircuitBreaker.Factory.getInstance(key);


                    StringWriter jsonString = new StringWriter();
                    JsonGenerator json = jsonFactory.createGenerator(jsonString);


                    json.writeStartObject();
                    json.writeStringField("type", "HystrixCommand");
                    json.writeStringField("name", key.name());
                    json.writeStringField("group", commandMetrics.getCommandGroup().name());
                    json.writeNumberField("currentTime", System.currentTimeMillis());

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                for (HystrixThreadPoolMetrics threadPoolMetrics : HystrixThreadPoolMetrics.getInstances()) {
                    HystrixThreadPoolKey key = threadPoolMetrics.getThreadPoolKey();


                    StringWriter jsonString = new StringWriter();
                    JsonGenerator json = jsonFactory.createGenerator(jsonString);
                    json.writeStartObject();


                    json.writeStringField("type", "HystrixThreadPool");
                    json.writeStringField("name", key.name());
                    json.writeNumberField("currentTime", System.currentTimeMillis());

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     */
    private static String toJSON(BucketProperties bp) throws IOException {
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        JsonGenerator jg = new JsonFactory().createJsonGenerator(out, JsonEncoding.UTF8);


        jg.writeStartObject();
        writeIfNotNull(jg, bp.getAllowSiblings(), Constants.FL_SCHEMA_ALLOW_MULT);
        writeIfNotNull(jg, bp.getNVal(), Constants.FL_SCHEMA_NVAL);
        writeIfNotNull(jg, bp.getLastWriteWins(), Constants.FL_SCHEMA_LAST_WRITE_WINS);
        writeIfNotNull(jg, bp.getBackend(), Constants.FL_SCHEMA_BACKEND);
        writeIfNotNull(jg, bp.getSmallVClock(), Constants.FL_SCHEMA_SMALL_VCLOCK);

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            response.setContentType("application/json");


            // accessToken is required
            if (StringUtils.isBlank(accessToken)) {
                LOGGER.error("Missing {}", OAuthConstants.ACCESS_TOKEN);
                jsonGenerator.writeStartObject();
                jsonGenerator.writeStringField("error", OAuthConstants.MISSING_ACCESS_TOKEN);
                jsonGenerator.writeEndObject();
                return null;
            }
            // get ticket granting ticket

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            // get ticket granting ticket
            final TicketGrantingTicket ticketGrantingTicket = (TicketGrantingTicket) this.ticketRegistry
                    .getTicket(accessToken);
            if (ticketGrantingTicket == null || ticketGrantingTicket.isExpired()) {
                LOGGER.error("expired accessToken : {}", accessToken);
                jsonGenerator.writeStartObject();
                jsonGenerator.writeStringField("error", OAuthConstants.EXPIRED_ACCESS_TOKEN);
                jsonGenerator.writeEndObject();
                return null;
            }
            // generate profile : identifier + attributes

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                jsonGenerator.writeEndObject();
                return null;
            }
            // generate profile : identifier + attributes
            final Principal principal = ticketGrantingTicket.getAuthentication().getPrincipal();
            jsonGenerator.writeStartObject();
            jsonGenerator.writeStringField(ID, principal.getId());
            jsonGenerator.writeArrayFieldStart(ATTRIBUTES);
            final Map<String, Object> attributes = principal.getAttributes();
            for (final String key : attributes.keySet()) {
                jsonGenerator.writeStartObject();

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            jsonGenerator.writeStartObject();
            jsonGenerator.writeStringField(ID, principal.getId());
            jsonGenerator.writeArrayFieldStart(ATTRIBUTES);
            final Map<String, Object> attributes = principal.getAttributes();
            for (final String key : attributes.keySet()) {
                jsonGenerator.writeStartObject();
                jsonGenerator.writeObjectField(key, attributes.get(key));
                jsonGenerator.writeEndObject();
            }
            jsonGenerator.writeEndArray();
            jsonGenerator.writeEndObject();

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                resolvedPriorityIds ).resolutionIds( resolvedResolutionIds ).components( resolvedComponentIds ).typeIds(
                resolvedTypeIds ).sortColumnNames( sortColumnNames ).build();


            StringWriter searchParamStringWriter = new StringWriter();
            JsonGenerator gen = jsonFactory.createGenerator( searchParamStringWriter );
            gen.writeStartObject();
            gen.writeStringField( "jql", jqlQuery );
            gen.writeNumberField( "maxResults", nbEntriesMax );
            gen.writeArrayFieldStart( "fields" );
            // Retrieve all fields. If that seems slow, we can reconsider.
            gen.writeString( "*all" );

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        {
            client.replacePath( "/rest/auth/1/session" );
            client.type( MediaType.APPLICATION_JSON_TYPE );
            StringWriter jsWriter = new StringWriter( );
            JsonGenerator gen = jsonFactory.createGenerator( jsWriter );
            gen.writeStartObject();
            gen.writeStringField( "username", jiraUser );
            gen.writeStringField( "password", jiraPassword );
            gen.writeEndObject();
            gen.close();
            Response authRes = client.post( jsWriter.toString() );

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  public void serialize( @Nonnull ActionFailedException object, @Nonnull OutputStream out ) throws IOException {
    JsonFactory jsonFactory = JacksonSupport.getJsonFactory();
    JsonGenerator generator = jsonFactory.createJsonGenerator( out, JsonEncoding.UTF8 );


    generator.writeStartObject();


    serialize( generator, object );
    generator.writeEndObject();


    generator.close();

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