Example usage for com.fasterxml.jackson.core JsonGenerator writeFieldName

Introduction

In this page you can find the example usage for com.fasterxml.jackson.core JsonGenerator writeFieldName.

Prototype

public abstract void writeFieldName(SerializableString name) throws IOException, JsonGenerationException;

Source Link

Document

Method similar to #writeFieldName(String) , main difference being that it may perform better as some of processing (such as quoting of certain characters, or encoding into external encoding if supported by generator) can be done just once and reused for later calls.

Usage

From source file:data.DefaultExchanger.java

protected void putLong(JsonGenerator generator, String fieldName, ResultSet rs, short index)
        throws SQLException, IOException {
    generator.writeFieldName(fieldName);
    long value = rs.getLong(index);
    if (rs.wasNull()) {
        generator.writeNull();//from   ww  w .  j  av a  2 s.  co m
    } else {
        generator.writeNumber(value);
    }
}

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From source file:data.DefaultExchanger.java

protected void putInt(JsonGenerator generator, String fieldName, ResultSet rs, short index)
        throws SQLException, IOException {
    generator.writeFieldName(fieldName);
    int value = rs.getInt(index);
    if (rs.wasNull()) {
        generator.writeNull();//from w  ww  . j  a v a  2s. co  m
    } else {
        generator.writeNumber(value);
    }
}

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From source file:data.DefaultExchanger.java

protected void putString(JsonGenerator generator, String fieldName, ResultSet rs, short index)
        throws SQLException, IOException {
    generator.writeFieldName(fieldName);
    String string = rs.getString(index);
    if (string == null) {
        generator.writeNull();//from   w w  w  .ja  v  a2s .com
    } else {
        generator.writeString(string);
    }
}

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From source file:data.DefaultExchanger.java

protected void putTimestamp(JsonGenerator generator, String fieldName, ResultSet rs, short index)
        throws SQLException, IOException {
    generator.writeFieldName(fieldName);
    Timestamp timestamp = rs.getTimestamp(index);
    if (timestamp == null) {
        generator.writeNull();//  w w w  .  ja  va 2  s  . c  om
    } else {
        generator.writeNumber(timestamp.getTime());
    }
}

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From source file:data.DefaultExchanger.java

protected void putDate(JsonGenerator generator, String fieldName, ResultSet rs, short index)
        throws SQLException, IOException {
    generator.writeFieldName(fieldName);
    Date date = rs.getDate(index);
    if (date == null) {
        generator.writeNull();/*www. j  a  va  2  s .  co  m*/
    } else {
        generator.writeNumber(date.getTime());
    }
}

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From source file:data.DefaultExchanger.java

protected void putClob(JsonGenerator generator, String fieldName, ResultSet rs, short index)
        throws SQLException, IOException {
    generator.writeFieldName(fieldName);
    String clobString = clobString(rs.getClob(index));
    if (clobString == null) {
        generator.writeNull();// w  w  w  .  j  a v a2s. c o  m
    } else {
        generator.writeString(clobString);
    }
}

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From source file:org.emfjson.jackson.streaming.StreamWriter.java

private void serializeContainment(JsonGenerator generator, String key, EReference containment, EObject owner,
        Object value) throws IOException {

    if (containment.isMany()) {
        final Collection<?> values = (Collection<?>) value;

        generator.writeFieldName(key);
        generator.writeStartArray();//from www .  j  av  a2s. c  om
        for (Object current : values) {
            EObject target = (EObject) current;

            if (isContainmentProxy(owner, target)) {
                referenceWriter.writeRef(generator, target);
            } else {
                generate(generator, target);
            }

        }
        generator.writeEndArray();

    } else {

        generator.writeFieldName(key);
        if (isContainmentProxy(owner, (EObject) value)) {
            referenceWriter.writeRef(generator, (EObject) value);
        } else {
            generate(generator, (EObject) value);
        }

    }
}

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From source file:data.DefaultExchanger.java

public void exportData(String dbName, String catalogName, final JsonGenerator generator,
        JdbcTemplate jdbcTemplate) throws IOException {
    generator.writeFieldName(getTable());
    generator.writeStartArray();//from w  w  w. j  a va 2 s  . c om
    final int[] rowCount = { 0 };
    jdbcTemplate.query(getSelectSql(), new RowCallbackHandler() {
        @Override
        public void processRow(ResultSet rs) throws SQLException {
            try {
                generator.writeStartObject();
                setNode(generator, rs);
                generator.writeEndObject();
                rowCount[0]++;
            } catch (Exception e) {
                e.printStackTrace();
                throw new RuntimeException(e);
            }
        }
    });
    generator.writeEndArray();
    play.Logger.info("exported {{}} {}", rowCount[0], getTable());

    if (hasSequence()) {
        String sequenceName = sequenceName();
        long sequenceValue = 0;
        if (dbName.equalsIgnoreCase("MySQL")) {
            String sql = String.format("SELECT `AUTO_INCREMENT` FROM INFORMATION_SCHEMA.TABLES "
                    + "WHERE TABLE_SCHEMA = '%s' AND TABLE_NAME = '%s'", catalogName, getTable());
            sequenceValue = jdbcTemplate.queryForObject(sql, Long.class);
        } else if (dbName.equalsIgnoreCase("H2")) {
            sequenceValue = jdbcTemplate.queryForObject("CALL NEXT VALUE FOR " + sequenceName, Long.class);
        }
        generator.writeFieldName(sequenceName);
        generator.writeNumber(sequenceValue);
        play.Logger.info("exported sequence {{}}", sequenceName());
    }
}

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From source file:org.eclipse.winery.repository.resources.entitytypes.relationshiptypes.VisualAppearanceResource.java

@GET
@RestDoc(methodDescription = "@return JSON object to be used at jsPlumb.registerConnectionType('NAME', <data>)")
@Produces(MediaType.APPLICATION_JSON)/*w ww .  java  2 s  .  c  o  m*/
public Response getConnectionTypeForJsPlumbData() {
    JsonFactory jsonFactory = new JsonFactory();
    StringWriter sw = new StringWriter();
    try {
        JsonGenerator jg = jsonFactory.createGenerator(sw);
        jg.writeStartObject();

        jg.writeFieldName("connector");
        jg.writeString("Flowchart");

        jg.writeFieldName("paintStyle");
        jg.writeStartObject();
        jg.writeFieldName("lineWidth");
        jg.writeNumber(this.getLineWidth());
        jg.writeFieldName("strokeStyle");
        jg.writeObject(this.getColor());
        String dash = this.getDash();
        if (!StringUtils.isEmpty(dash)) {
            String dashStyle = null;
            switch (dash) {
            case "dotted":
                dashStyle = "1 5";
                break;
            case "dotted2":
                dashStyle = "3 4";
                break;
            case "plain":
                // default works
                // otherwise, "1 0" can be used
                break;
            }
            if (dashStyle != null) {
                jg.writeStringField("dashstyle", dashStyle);
            }
        }
        jg.writeEndObject();

        jg.writeFieldName("hoverPaintStyle");
        jg.writeStartObject();
        jg.writeFieldName("strokeStyle");
        jg.writeObject(this.getHoverColor());
        jg.writeEndObject();

        // BEGIN: Overlays

        jg.writeFieldName("overlays");
        jg.writeStartArray();

        // source arrow head
        String head = this.getSourceArrowHead();
        if (!head.equals("none")) {
            jg.writeStartArray();
            jg.writeString(head);

            jg.writeStartObject();

            jg.writeFieldName("location");
            jg.writeNumber(0);

            // arrow should point towards the node and not away from it
            jg.writeFieldName("direction");
            jg.writeNumber(-1);

            jg.writeFieldName("width");
            jg.writeNumber(20);

            jg.writeFieldName("length");
            jg.writeNumber(12);

            jg.writeEndObject();
            jg.writeEndArray();
        }

        // target arrow head
        head = this.getTargetArrowHead();
        if (!head.equals("none")) {
            jg.writeStartArray();
            jg.writeString(head);
            jg.writeStartObject();
            jg.writeFieldName("location");
            jg.writeNumber(1);
            jg.writeFieldName("width");
            jg.writeNumber(20);
            jg.writeFieldName("length");
            jg.writeNumber(12);
            jg.writeEndObject();
            jg.writeEndArray();
        }

        // Type in brackets on the arrow
        jg.writeStartArray();
        jg.writeString("Label");
        jg.writeStartObject();
        jg.writeStringField("id", "label");
        //jg.writeStringField("label", "(" + ((RelationshipTypeResource) this.res).getName() + ")");
        jg.writeStringField("label", "");
        jg.writeStringField("cssClass", "relationshipTypeLabel");
        jg.writeFieldName("location");
        jg.writeNumber(0.5);
        jg.writeEndObject();
        jg.writeEndArray();

        jg.writeEndArray();

        // END: Overlays

        jg.writeEndObject();

        jg.close();
    } catch (Exception e) {
        VisualAppearanceResource.logger.error(e.getMessage(), e);
        return Response.status(Status.INTERNAL_SERVER_ERROR).entity(e).build();
    }
    String res = sw.toString();
    return Response.ok(res).build();
}

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From source file:com.jxt.web.vo.AgentActiveThreadCountList.java

@Override
public void serialize(AgentActiveThreadCountList agentActiveThreadStatusList, JsonGenerator jgen,
        SerializerProvider provider) throws IOException, JsonProcessingException {
    List<AgentActiveThreadCount> agentActiveThreadRepository = agentActiveThreadStatusList
            .getAgentActiveThreadRepository();

    jgen.writeStartObject();//from   w ww .ja va2  s  .c  om

    for (AgentActiveThreadCount agentActiveThread : agentActiveThreadRepository) {
        jgen.writeFieldName(agentActiveThread.getAgentId());
        jgen.writeStartObject();

        jgen.writeNumberField("code", agentActiveThread.getCode());
        jgen.writeStringField("message", agentActiveThread.getCodeMessage());

        TCmdActiveThreadCountRes activeThreadCount = agentActiveThread.getActiveThreadCount();
        if (activeThreadCount != null) {
            if (activeThreadCount.getActiveThreadCountSize() >= 4) {
                List<Integer> values = activeThreadCount.getActiveThreadCount();

                jgen.writeFieldName("status");
                jgen.writeStartArray();
                jgen.writeNumber(values.get(0));
                jgen.writeNumber(values.get(1));
                jgen.writeNumber(values.get(2));
                jgen.writeNumber(values.get(3));
                jgen.writeEndArray();
            }
        }

        jgen.writeEndObject();
    }

    jgen.writeEndObject();
}

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