Example usage for com.fasterxml.jackson.core JsonParser nextToken

Introduction

In this page you can find the example usage for com.fasterxml.jackson.core JsonParser nextToken.

Prototype

public abstract JsonToken nextToken() throws IOException, JsonParseException;

Source Link

Document

Main iteration method, which will advance stream enough to determine type of the next token, if any.

Usage

From source file:io.swagger.inflector.config.DirectionDeserializer.java

@Override
public Set<Configuration.Direction> deserialize(JsonParser jp, DeserializationContext ctxt) throws IOException {
    final JsonToken token = jp.getCurrentToken();
    if (token == JsonToken.VALUE_FALSE) {
        return EnumSet.noneOf(Configuration.Direction.class);
    } else if (token == JsonToken.VALUE_TRUE) {
        return EnumSet.allOf(Configuration.Direction.class);
    } else if (token == JsonToken.START_ARRAY) {
        final Set<Configuration.Direction> items = EnumSet.noneOf(Configuration.Direction.class);
        while (true) {
            final JsonToken next = jp.nextToken();
            if (next == JsonToken.VALUE_STRING) {
                final String name = jp.getText();
                items.add(Configuration.Direction.valueOf(name));
            } else if (next == JsonToken.END_ARRAY) {
                return items;
            } else {
                break;
            }/*from   w  ww. j ava2  s.  c  om*/
        }
    }
    throw ctxt.mappingException(Configuration.Direction.class);
}

---

From source file:com.addthis.codec.jackson.CodecBeanDeserializer.java

@Override
public Object deserialize(JsonParser jp, DeserializationContext ctxt)
        throws IOException, JsonProcessingException {
    JsonLocation currentLocation = jp.getTokenLocation();
    JsonToken t = jp.getCurrentToken();/*from ww w . j  a v  a2 s  .  co m*/
    try {
        if (t == JsonToken.START_OBJECT) {
            ObjectNode objectNode = jp.readValueAsTree();
            handleDefaultsAndRequiredAndNull(ctxt, objectNode);
            jp = jp.getCodec().treeAsTokens(objectNode);
            jp.nextToken();
        } else if (t == JsonToken.END_OBJECT) {
            // for some reason this is how they chose to handle single field objects
            jp.nextToken();
            ObjectNode objectNode = ctxt.getNodeFactory().objectNode();
            handleDefaultsAndRequiredAndNull(ctxt, objectNode);
            jp = jp.getCodec().treeAsTokens(objectNode);
            jp.nextToken();
        }
        Object value = getDelegatee().deserialize(jp, ctxt);
        if (value instanceof SuperCodable) {
            ((SuperCodable) value).postDecode();
        }
        return value;
    } catch (JsonMappingException ex) {
        throw Jackson.maybeImproveLocation(currentLocation, ex);
    }
}

---

From source file:com.msopentech.odatajclient.engine.metadata.edm.v4.annotation.DynExprConstructDeserializer.java

@Override
protected DynExprConstruct doDeserialize(final JsonParser jp, final DeserializationContext ctxt)
        throws IOException, JsonProcessingException {

    DynExprConstruct construct = null;/*from  w  w  w .jav  a 2  s .  c o m*/

    if (DynExprSingleParamOp.Type.fromString(jp.getCurrentName()) != null) {
        final DynExprSingleParamOp dynExprSingleParamOp = new DynExprSingleParamOp();
        dynExprSingleParamOp.setType(DynExprSingleParamOp.Type.fromString(jp.getCurrentName()));

        jp.nextToken();
        jp.nextToken();
        dynExprSingleParamOp.setExpression(jp.getCodec().readValue(jp, DynExprConstruct.class));

        construct = dynExprSingleParamOp;
    } else if (DynExprDoubleParamOp.Type.fromString(jp.getCurrentName()) != null) {
        final DynExprDoubleParamOp dynExprDoubleParamOp = new DynExprDoubleParamOp();
        dynExprDoubleParamOp.setType(DynExprDoubleParamOp.Type.fromString(jp.getCurrentName()));

        jp.nextToken();
        jp.nextToken();
        dynExprDoubleParamOp.setLeft(jp.getCodec().readValue(jp, DynExprConstruct.class));
        dynExprDoubleParamOp.setRight(jp.getCodec().readValue(jp, DynExprConstruct.class));

        construct = dynExprDoubleParamOp;
    } else if (ArrayUtils.contains(EL_OR_ATTR, jp.getCurrentName())) {
        final AbstractElOrAttrConstruct elOrAttr = getElOrAttrInstance(jp.getCurrentName());
        elOrAttr.setValue(jp.nextTextValue());

        construct = elOrAttr;
    } else if (APPLY.equals(jp.getCurrentName())) {
        jp.nextToken();
        construct = jp.getCodec().readValue(jp, Apply.class);
    } else if (CAST.equals(jp.getCurrentName())) {
        jp.nextToken();
        construct = jp.getCodec().readValue(jp, Cast.class);
    } else if (COLLECTION.equals(jp.getCurrentName())) {
        jp.nextToken();
        construct = jp.getCodec().readValue(jp, Collection.class);
    } else if (IF.equals(jp.getCurrentName())) {
        jp.nextToken();
        jp.nextToken();

        final If _if = new If();
        _if.setGuard(parseConstOrEnumExprConstruct(jp));
        _if.setThen(parseConstOrEnumExprConstruct(jp));
        _if.setElse(parseConstOrEnumExprConstruct(jp));

        construct = _if;
    } else if (IS_OF.equals(jp.getCurrentName())) {
        jp.nextToken();
        construct = jp.getCodec().readValue(jp, IsOf.class);
    } else if (LABELED_ELEMENT.equals(jp.getCurrentName())) {
        jp.nextToken();
        construct = jp.getCodec().readValue(jp, LabeledElement.class);
    } else if (NULL.equals(jp.getCurrentName())) {
        jp.nextToken();
        construct = jp.getCodec().readValue(jp, Null.class);
    } else if (RECORD.equals(jp.getCurrentName())) {
        jp.nextToken();
        construct = jp.getCodec().readValue(jp, Record.class);
    } else if (URL_REF.equals(jp.getCurrentName())) {
        jp.nextToken();
        construct = jp.getCodec().readValue(jp, UrlRef.class);
    }

    return construct;
}

---

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

protected EObject parseObject(JsonParser parser, EReference containment, EObject owner, EClass currentClass)
        throws IOException {

    EObject current = null;//from w  w w.j a v  a2 s  .com

    if (currentClass != null) {
        current = EcoreUtil.create(currentClass);
    }

    final TokenBuffer buffer = new TokenBuffer(parser);

    while (parser.nextToken() != JsonToken.END_OBJECT) {
        final String fieldName = parser.getCurrentName();

        switch (fieldName) {
        case EJS_TYPE_KEYWORD:
            current = create(parser.nextTextValue());
            break;
        case EJS_UUID_ANNOTATION:
            if (resource instanceof UuidResource) {
                if (current != null) {
                    ((UuidResource) resource).setID(current, parser.nextTextValue());
                }
            }
            break;
        default:
            if (current == null && containment != null) {
                final EClass defaultType = containment.getEReferenceType();

                if (!defaultType.isAbstract()) {
                    current = EcoreUtil.create(defaultType);
                }
            }

            if (current != null) {
                readFeature(parser, current, fieldName);
            } else {
                buffer.copyCurrentStructure(parser);
            }
            break;
        }
    }

    buffer.close();

    if (current != null) {
        final JsonParser bufferedParser = buffer.asParser();

        while (bufferedParser.nextToken() != null) {
            readFeature(bufferedParser, current, bufferedParser.getCurrentName());
        }

        bufferedParser.close();
    }

    if (current != null && containment != null && owner != null) {
        EObjects.setOrAdd(owner, containment, current);
    }

    return current;
}

---

From source file:org.emfjson.jackson.databind.deser.EObjectDeserializer.java

private void handleUnknownProperty(JsonParser jp, Resource resource, DeserializationContext ctxt)
        throws IOException {
    if (resource != null && ctxt.getConfig().hasDeserializationFeatures(FAIL_ON_UNKNOWN_PROPERTIES.getMask())) {
        resource.getErrors()//  w ww  .ja  v  a  2s  .  c om
                .add(new JSONException("Unknown feature " + jp.getCurrentName(), jp.getCurrentLocation()));
    }
    // we didn't find a feature so consume
    // the field and move on
    jp.nextToken();
    jp.skipChildren();
}

---

From source file:com.joliciel.jochre.search.highlight.Snippet.java

private void read(JsonParser jsonParser) {
    try {//w ww.  j ava2  s  .c  o  m
        if (jsonParser.getCurrentToken() != JsonToken.START_OBJECT)
            throw new RuntimeException("Expected START_OBJECT, but was " + jsonParser.getCurrentToken() + " at "
                    + jsonParser.getCurrentLocation());
        while (jsonParser.nextToken() != JsonToken.END_OBJECT) {
            String fieldName = jsonParser.getCurrentName();

            if (fieldName.equals("docId")) {
                this.docId = jsonParser.nextIntValue(0);
            } else if (fieldName.equals("field")) {
                this.field = jsonParser.nextTextValue();
            } else if (fieldName.equals("start")) {
                this.startOffset = jsonParser.nextIntValue(0);
            } else if (fieldName.equals("end")) {
                this.endOffset = jsonParser.nextIntValue(0);
            } else if (fieldName.equals("score")) {
                jsonParser.nextValue();
                this.score = jsonParser.getDoubleValue();
                this.scoreCalculated = true;
            } else if (fieldName.equals("terms")) {
                if (jsonParser.nextToken() != JsonToken.START_ARRAY)
                    throw new RuntimeException("Expected START_ARRAY, but was " + jsonParser.getCurrentToken()
                            + " at " + jsonParser.getCurrentLocation());
                while (jsonParser.nextToken() != JsonToken.END_ARRAY) {
                    if (jsonParser.getCurrentToken() != JsonToken.START_OBJECT)
                        throw new RuntimeException("Expected START_OBJECT, but was "
                                + jsonParser.getCurrentToken() + " at " + jsonParser.getCurrentLocation());
                    int termDocId = docId;
                    String termField = field;
                    int termStart = 0;
                    int termEnd = 0;
                    int pageIndex = 0;
                    int imageIndex = 0;
                    double weight = 0.0;
                    while (jsonParser.nextToken() != JsonToken.END_OBJECT) {
                        String termFieldName = jsonParser.getCurrentName();
                        if (termFieldName.equals("docId")) {
                            termDocId = jsonParser.nextIntValue(0);
                        } else if (termFieldName.equals("field")) {
                            termField = jsonParser.nextTextValue();
                        } else if (termFieldName.equals("start")) {
                            termStart = jsonParser.nextIntValue(0);
                        } else if (termFieldName.equals("end")) {
                            termEnd = jsonParser.nextIntValue(0);
                        } else if (termFieldName.equals("pageIndex")) {
                            pageIndex = jsonParser.nextIntValue(0);
                        } else if (termFieldName.equals("imageIndex")) {
                            imageIndex = jsonParser.nextIntValue(0);
                        } else if (termFieldName.equals("weight")) {
                            jsonParser.nextValue();
                            weight = jsonParser.getDoubleValue();
                        } else {
                            throw new RuntimeException("Unexpected term field name: " + termFieldName + " at "
                                    + jsonParser.getCurrentLocation());
                        }
                    }
                    HighlightTerm highlightTerm = new HighlightTerm(termDocId, termField, termStart, termEnd,
                            imageIndex, pageIndex);
                    highlightTerm.setWeight(weight);
                    this.highlightTerms.add(highlightTerm);
                }
            } else {
                throw new RuntimeException(
                        "Unexpected field name: " + fieldName + " at " + jsonParser.getCurrentLocation());
            }
        }
    } catch (JsonParseException e) {
        LOG.error(e);
        throw new RuntimeException(e);
    } catch (IOException e) {
        LOG.error(e);
        throw new RuntimeException(e);
    }
}

---

From source file:com.reprezen.swagedit.model.NodeDeserializer.java

protected ObjectNode deserializeObjectNode(JsonParser p, DeserializationContext context,
        JsonLocation startLocation) throws IllegalArgumentException, IOException {

    final Model model = (Model) context.getAttribute(ATTRIBUTE_MODEL);
    final AbstractNode parent = (AbstractNode) context.getAttribute(ATTRIBUTE_PARENT);
    final JsonPointer ptr = (JsonPointer) context.getAttribute(ATTRIBUTE_POINTER);

    final ObjectNode node = model.objectNode(parent, ptr);
    node.setStartLocation(createLocation(startLocation));

    while (p.nextToken() != JsonToken.END_OBJECT) {
        String name = p.getCurrentName();

        JsonPointer pp = JsonPointer.compile(ptr.toString() + "/" + name.replaceAll("/", "~1"));
        context.setAttribute(ATTRIBUTE_PARENT, node);
        context.setAttribute(ATTRIBUTE_POINTER, pp);

        AbstractNode v = deserialize(p, context);
        v.setProperty(name);/*ww w  .ja  va  2s.  c  o m*/
        node.put(name, v);
    }

    node.setEndLocation(createLocation(p.getCurrentLocation()));
    return node;
}

---

From source file:org.graylog2.gelfclient.encoder.GelfMessageJsonEncoderTest.java

@Test
public void testEncode() throws Exception {
    byte[] bytes = readBytes();

    JsonFactory json = new JsonFactory();
    JsonParser parser = json.createParser(bytes);

    String version = null;//from  w  ww  .j a va  2 s  .c  o m
    Number timestamp = null;
    String host = null;
    String short_message = null;
    String full_message = null;
    Number level = null;
    Number _foo = null;
    Number _bar = null;
    String _baz = null;

    while (parser.nextToken() != JsonToken.END_OBJECT) {
        String key = parser.getCurrentName();

        if (key == null) {
            continue;
        }

        parser.nextToken();

        switch (key) {
        case "version":
            version = parser.getText();
            break;
        case "timestamp":
            timestamp = parser.getNumberValue();
            break;
        case "host":
            host = parser.getText();
            break;
        case "short_message":
            short_message = parser.getText();
            break;
        case "full_message":
            full_message = parser.getText();
            break;
        case "level":
            level = parser.getNumberValue();
            break;
        case "_foo":
            _foo = parser.getNumberValue();
            break;
        case "_bar":
            _bar = parser.getNumberValue();
            break;
        case "_baz":
            _baz = parser.getText();
            break;
        default:
            throw new Exception("Found unexpected field in JSON payload: " + key);
        }
    }

    assertEquals(message.getVersion().toString(), version);
    assertEquals(message.getTimestamp(), timestamp);
    assertEquals(message.getHost(), host);
    assertEquals(message.getMessage(), short_message);
    assertEquals(message.getFullMessage(), full_message);
    assertEquals(message.getLevel().getNumericLevel(), level);
    assertEquals(1.0, _foo);
    assertEquals(128, _bar);
    assertEquals("a value", _baz);
}

---

From source file:com.tlongdev.bktf.interactor.TlongdevPriceListInteractor.java

private ContentValues buildContentValues(JsonParser parser) throws IOException {
    ContentValues values = new ContentValues();

    int defindex = 0;
    int quality = 0;
    int tradable = 0;
    int craftable = 0;
    double value = 0;
    Double high = null;/*w  ww .  jav  a  2s  .c om*/
    double raw = 0;

    while (parser.nextToken() != JsonToken.END_OBJECT) {
        parser.nextToken();
        switch (parser.getCurrentName()) {
        case "defindex":
            Item item = new Item();
            item.setDefindex(parser.getIntValue());
            defindex = item.getFixedDefindex();
            values.put(PriceEntry.COLUMN_DEFINDEX, defindex);
            break;
        case "quality":
            quality = parser.getIntValue();
            values.put(PriceEntry.COLUMN_ITEM_QUALITY, quality);
            break;
        case "tradable":
            tradable = parser.getIntValue();
            values.put(PriceEntry.COLUMN_ITEM_TRADABLE, tradable);
            break;
        case "craftable":
            craftable = parser.getIntValue();
            values.put(PriceEntry.COLUMN_ITEM_CRAFTABLE, craftable);
            break;
        case "price_index":
            values.put(PriceEntry.COLUMN_PRICE_INDEX, parser.getIntValue());
            break;
        case "australium":
            values.put(PriceEntry.COLUMN_AUSTRALIUM, parser.getIntValue());
            break;
        case "currency":
            values.put(PriceEntry.COLUMN_CURRENCY, parser.getText());
            break;
        case "value":
            value = parser.getDoubleValue();
            values.put(PriceEntry.COLUMN_PRICE, value);
            break;
        case "value_high":
            high = parser.getDoubleValue();
            values.put(PriceEntry.COLUMN_PRICE_HIGH, high);
            break;
        case "value_raw":
            raw = parser.getDoubleValue();
            break;
        case "last_update":
            values.put(PriceEntry.COLUMN_LAST_UPDATE, parser.getLongValue());
            break;
        case "difference":
            values.put(PriceEntry.COLUMN_DIFFERENCE, parser.getDoubleValue());
            break;
        }
    }

    values.put(PriceEntry.COLUMN_WEAPON_WEAR, 0);

    if (quality == Quality.UNIQUE && tradable == 1 && craftable == 1) {
        if (defindex == 143) { //buds
            Utility.putDouble(mEditor, mContext.getString(R.string.pref_buds_raw), raw);
            mEditor.apply();
        } else if (defindex == 5002) { //metal

            double highPrice = high == null ? 0 : high;

            if (highPrice > value) {
                //If the metal has a high price, save the average as raw.
                Utility.putDouble(mEditor, mContext.getString(R.string.pref_metal_raw_usd),
                        ((value + highPrice) / 2));
            } else {
                //save as raw price
                Utility.putDouble(mEditor, mContext.getString(R.string.pref_metal_raw_usd), value);
            }
            mEditor.apply();
        } else if (defindex == 5021) { //key
            Utility.putDouble(mEditor, mContext.getString(R.string.pref_key_raw), raw);
            mEditor.apply();
        }
    }

    return values;
}

---

From source file:com.netflix.hollow.jsonadapter.HollowJsonAdapter.java

private void skipObject(JsonParser parser) throws IOException {
    JsonToken token = parser.nextToken();

    try {//from  w  ww .  j a  va2 s.c o  m
        while (token != JsonToken.END_OBJECT) {
            skipObjectField(parser, token);
            token = parser.nextToken();
        }
    } catch (Exception ex) {
        throw new IOException(ex);
    }
}

---

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