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

List of usage examples for com.fasterxml.jackson.core JsonParser getCurrentName

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Introduction

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

Prototype

public abstract String getCurrentName() throws IOException, JsonParseException;

Source Link

Document

Method that can be called to get the name associated with the current token: for JsonToken#FIELD_NAME s it will be the same as what #getText returns; for field values it will be preceding field name; and for others (array values, root-level values) null.

Usage

From source file:com.concentricsky.android.khanacademy.data.remote.LibraryUpdaterTask.java

private ContentValues parseObject(JsonParser parser, SQLiteDatabase tempDb, String parentId, int seq)
        throws JsonParseException, IOException {
    // TODO : Grab id of root topic here, and store it in shared prefs, in case it ever
    //        changes. Currently we assume "root" and a change would be catastrophic.
    ContentValues result = new ContentValues();
    ChildArrayResults childResults = null;
    boolean badKind = false;

    result.put("parentTopic_id", parentId);
    result.put("seq", seq);

    while (parser.nextValue() != JsonToken.END_OBJECT) {

        // Allows us to burn through the rest of the object once we discover it's an exercise or something else we don't care about.
        if (badKind)
            continue;

        String fieldName = parser.getCurrentName();

        // Keys present will determine object type.
        if (stringFields.contains(fieldName)) {
            // Use getValueAsString over getText; getText returns "null" while getValueAsString returns null.
            String value = parser.getValueAsString();
            result.put(fieldName, value);

            if ("id".equals(fieldName)) {
                if (childResults != null) {
                    addParentIdToChildren(tempDb, childResults, value);
                }/*from  w  w w .  ja v a 2  s  . c om*/
            }
        } else if (intFields.contains(fieldName)) {
            result.put(fieldName, parser.getIntValue());
        } else if (booleanFields.contains(fieldName)) {
            result.put(fieldName, parser.getBooleanValue());
        } else if ("children".equals(fieldName)) {
            childResults = parseChildArray(parser, tempDb,
                    result.containsKey("id") ? result.getAsString("id") : null);
            result.put("video_count", childResults.videoCount);
            result.put("child_kind", childResults.childKind);
            result.put("thumb_id", childResults.thumbId);
        } else if ("download_urls".equals(fieldName)) {
            parseDownloadUrls(parser, result);
        } else if (null == fieldName) {
            // Noop. Just in case.
        } else {
            JsonToken next = parser.getCurrentToken();
            if (next == JsonToken.START_OBJECT || next == JsonToken.START_ARRAY) {
                // Skip this object or array, leaving us pointing at the matching end_object / end_array token.
                parser.skipChildren();
            }
        }
    }

    // Ignore types we don't need.
    if (badKind) {
        return null;
    }

    // Having parsed this whole object, we can insert it.
    if (result.containsKey("kind")) {
        String kind = result.getAsString("kind");
        if ("Topic".equals(kind)) {
            if (result.containsKey("id")) {
                result.put("_id", result.getAsString("id"));
                result.remove("id");
            }
            if (result.containsKey("child_kind")) {
                String child_kind = result.getAsString("child_kind");
                if ("Topic".equals(child_kind) || "Video".equals(child_kind)) {
                    insertTopic(tempDb, result);
                }
            }
        } else if ("Video".equals(kind)) {
            if (result.containsKey("id")) {
                result.put("video_id", result.getAsString("id"));
                result.remove("id");
            }
            insertTopicVideo(tempDb, result);
            insertVideo(tempDb, result);
        }
    }

    return result;
}

From source file:com.github.shyiko.jackson.module.advice.AdvisedBeanDeserializer.java

@SuppressWarnings("resource")
protected Object deserializeWithUnwrapped(JsonParser jp, DeserializationContext ctxt, Object bean)
        throws IOException {
    JsonToken t = jp.getCurrentToken();//from   w  w  w .java 2  s .  c  o m
    if (t == JsonToken.START_OBJECT) {
        t = jp.nextToken();
    }
    TokenBuffer tokens = new TokenBuffer(jp);
    tokens.writeStartObject();
    final Class<?> activeView = _needViewProcesing ? ctxt.getActiveView() : null;
    beanDeserializerAdvice.before(bean, jp, ctxt);
    for (; t == JsonToken.FIELD_NAME; t = jp.nextToken()) {
        String propName = jp.getCurrentName();

        if (beanDeserializerAdvice.intercept(bean, propName, jp, ctxt)) {
            continue;
        }

        SettableBeanProperty prop = _beanProperties.find(propName);
        jp.nextToken();
        if (prop != null) { // normal case
            if (activeView != null && !prop.visibleInView(activeView)) {
                jp.skipChildren();
                continue;
            }
            try {
                prop.deserializeAndSet(jp, ctxt, bean);
            } catch (Exception e) {
                wrapAndThrow(e, bean, propName, ctxt);
            }
            continue;
        }
        if (_ignorableProps != null && _ignorableProps.contains(propName)) {
            handleIgnoredProperty(jp, ctxt, bean, propName);
            continue;
        }
        // but... others should be passed to unwrapped property deserializers
        tokens.writeFieldName(propName);
        tokens.copyCurrentStructure(jp);
        // how about any setter? We'll get copies but...
        if (_anySetter != null) {
            _anySetter.deserializeAndSet(jp, ctxt, bean, propName);
        }
    }
    tokens.writeEndObject();
    _unwrappedPropertyHandler.processUnwrapped(jp, ctxt, bean, tokens);
    beanDeserializerAdvice.after(bean, jp, ctxt);
    return bean;
}

From source file:com.github.heuermh.personalgenome.client.converter.JacksonPersonalGenomeConverter.java

@Override
public List<DrugResponse> parseDrugResponses(final InputStream inputStream) {
    checkNotNull(inputStream);/*from   w  w  w  .ja va 2s. co m*/
    JsonParser parser = null;
    try {
        parser = jsonFactory.createParser(inputStream);
        parser.nextToken();

        String id = null;
        String reportId = null;
        String description = null;
        String status = null;
        List<DrugResponse> drugResponses = new ArrayList<DrugResponse>();
        while (parser.nextToken() != JsonToken.END_OBJECT) {
            String field = parser.getCurrentName();
            parser.nextToken();

            if ("id".equals(field)) {
                id = parser.getText();
            } else if ("drug_responses".equals(field)) {
                while (parser.nextToken() != JsonToken.END_ARRAY) {
                    while (parser.nextToken() != JsonToken.END_OBJECT) {
                        String drugResponseField = parser.getCurrentName();
                        parser.nextToken();

                        if ("report_id".equals(drugResponseField)) {
                            reportId = parser.getText();
                        } else if ("description".equals(drugResponseField)) {
                            description = parser.getText();
                        } else if ("status".equals(drugResponseField)) {
                            status = parser.getText();
                        }
                    }
                    drugResponses.add(new DrugResponse(id, reportId, description, status));
                    reportId = null;
                    description = null;
                    status = null;
                }
            }
        }
        return drugResponses;
    } catch (IOException e) {
        logger.warn("could not parse drug responses", e);
    } finally {
        try {
            inputStream.close();
        } catch (Exception e) {
            // ignored
        }
        try {
            parser.close();
        } catch (Exception e) {
            // ignored
        }
    }
    return null;
}

From source file:com.github.shyiko.jackson.module.advice.AdvisedBeanDeserializer.java

/**
 * Method called to deserialize bean using "property-based creator":
 * this means that a non-default constructor or factory method is
 * called, and then possibly other setters. The trick is that
 * values for creator method need to be buffered, first; and
 * due to non-guaranteed ordering possibly some other properties
 * as well./*www.  j a v a2  s. com*/
 */
@Override
@SuppressWarnings("resource")
protected Object _deserializeUsingPropertyBased(final JsonParser jp, final DeserializationContext ctxt)
        throws IOException {
    final PropertyBasedCreator creator = _propertyBasedCreator;
    PropertyValueBuffer buffer = creator.startBuilding(jp, ctxt, _objectIdReader);

    // 04-Jan-2010, tatu: May need to collect unknown properties for polymorphic cases
    TokenBuffer unknown = null;

    JsonToken t = jp.getCurrentToken();
    for (; t == JsonToken.FIELD_NAME; t = jp.nextToken()) {
        String propName = jp.getCurrentName();
        jp.nextToken(); // to point to value
        // creator property?
        SettableBeanProperty creatorProp = creator.findCreatorProperty(propName);
        if (creatorProp != null) {
            // Last creator property to set?
            Object value = creatorProp.deserialize(jp, ctxt);
            if (buffer.assignParameter(creatorProp.getCreatorIndex(), value)) {
                jp.nextToken(); // to move to following FIELD_NAME/END_OBJECT
                Object bean;
                try {
                    bean = creator.build(ctxt, buffer);
                } catch (Exception e) {
                    wrapAndThrow(e, _beanType.getRawClass(), propName, ctxt);
                    bean = null; // never gets here
                }
                //  polymorphic?
                if (bean.getClass() != _beanType.getRawClass()) {
                    return handlePolymorphic(jp, ctxt, bean, unknown);
                }
                if (unknown != null) { // nope, just extra unknown stuff...
                    bean = handleUnknownProperties(ctxt, bean, unknown);
                }
                // or just clean?
                return deserialize(jp, ctxt, bean);
            }
            continue;
        }
        // Object Id property?
        if (buffer.readIdProperty(propName)) {
            continue;
        }

        // regular property? needs buffering
        SettableBeanProperty prop = _beanProperties.find(propName);
        if (prop != null) {
            buffer.bufferProperty(prop, prop.deserialize(jp, ctxt));
            continue;
        }
        // As per [JACKSON-313], things marked as ignorable should not be
        // passed to any setter
        if (_ignorableProps != null && _ignorableProps.contains(propName)) {
            handleIgnoredProperty(jp, ctxt, handledType(), propName);
            continue;
        }
        // "any property"?
        if (_anySetter != null) {
            buffer.bufferAnyProperty(_anySetter, propName, _anySetter.deserialize(jp, ctxt));
            continue;
        }
        // Ok then, let's collect the whole field; name and value
        if (unknown == null) {
            unknown = new TokenBuffer(jp);
        }
        unknown.writeFieldName(propName);
        unknown.copyCurrentStructure(jp);
    }

    // We hit END_OBJECT, so:
    Object bean;
    try {
        bean = creator.build(ctxt, buffer);
    } catch (Exception e) {
        wrapInstantiationProblem(e, ctxt);
        bean = null; // never gets here
    }
    if (unknown != null) {
        // polymorphic?
        if (bean.getClass() != _beanType.getRawClass()) {
            return handlePolymorphic(null, ctxt, bean, unknown);
        }
        // no, just some extra unknown properties
        return handleUnknownProperties(ctxt, bean, unknown);
    }
    return bean;
}

From source file:com.github.shyiko.jackson.module.advice.AdvisedBeanDeserializer.java

protected Object deserializeUsingPropertyBasedWithExternalTypeId(JsonParser jp, DeserializationContext ctxt)
        throws IOException {
    final ExternalTypeHandler ext = _externalTypeIdHandler.start();
    final PropertyBasedCreator creator = _propertyBasedCreator;
    PropertyValueBuffer buffer = creator.startBuilding(jp, ctxt, _objectIdReader);

    TokenBuffer tokens = new TokenBuffer(jp);
    tokens.writeStartObject();//  w  w w . j  ava  2s .  c om

    JsonToken t = jp.getCurrentToken();
    for (; t == JsonToken.FIELD_NAME; t = jp.nextToken()) {
        String propName = jp.getCurrentName();
        jp.nextToken(); // to point to value
        // creator property?
        SettableBeanProperty creatorProp = creator.findCreatorProperty(propName);
        if (creatorProp != null) {
            // first: let's check to see if this might be part of value with external type id:
            if (!ext.handlePropertyValue(jp, ctxt, propName, buffer)) {
                // Last creator property to set?
                Object value = creatorProp.deserialize(jp, ctxt);
                if (buffer.assignParameter(creatorProp.getCreatorIndex(), value)) {
                    t = jp.nextToken(); // to move to following FIELD_NAME/END_OBJECT
                    Object bean;
                    try {
                        bean = creator.build(ctxt, buffer);
                    } catch (Exception e) {
                        wrapAndThrow(e, _beanType.getRawClass(), propName, ctxt);
                        continue; // never gets here
                    }
                    // if so, need to copy all remaining tokens into buffer
                    while (t == JsonToken.FIELD_NAME) {
                        jp.nextToken(); // to skip name
                        tokens.copyCurrentStructure(jp);
                        t = jp.nextToken();
                    }
                    if (bean.getClass() != _beanType.getRawClass()) {
                        // !!! 08-Jul-2011, tatu: Could probably support; but for now
                        //   it's too complicated, so bail out
                        throw ctxt
                                .mappingException("Can not create polymorphic instances with unwrapped values");
                    }
                    return ext.complete(jp, ctxt, bean);
                }
            }
            continue;
        }
        // Object Id property?
        if (buffer.readIdProperty(propName)) {
            continue;
        }

        // regular property? needs buffering
        SettableBeanProperty prop = _beanProperties.find(propName);
        if (prop != null) {
            buffer.bufferProperty(prop, prop.deserialize(jp, ctxt));
            continue;
        }
        // external type id (or property that depends on it)?
        if (ext.handlePropertyValue(jp, ctxt, propName, null)) {
            continue;
        }
        /* As per [JACKSON-313], things marked as ignorable should not be
         * passed to any setter
         */
        if (_ignorableProps != null && _ignorableProps.contains(propName)) {
            handleIgnoredProperty(jp, ctxt, handledType(), propName);
            continue;
        }
        // "any property"?
        if (_anySetter != null) {
            buffer.bufferAnyProperty(_anySetter, propName, _anySetter.deserialize(jp, ctxt));
        }
    }

    // We hit END_OBJECT; resolve the pieces:
    try {
        return ext.complete(jp, ctxt, buffer, creator);
    } catch (Exception e) {
        wrapInstantiationProblem(e, ctxt);
        return null; // never gets here
    }
}

From source file:com.github.heuermh.personalgenome.client.converter.JacksonPersonalGenomeConverter.java

@Override
public List<Risk> parseRisks(final InputStream inputStream) {
    checkNotNull(inputStream);//from  w  w w.j  ava2s.c o  m
    JsonParser parser = null;
    try {
        parser = jsonFactory.createParser(inputStream);
        parser.nextToken();

        String id = null;
        String reportId = null;
        String description = null;
        double risk = 0.0d;
        double populationRisk = 0.0d;
        List<Risk> risks = new ArrayList<Risk>();
        while (parser.nextToken() != JsonToken.END_OBJECT) {
            String field = parser.getCurrentName();
            parser.nextToken();

            if ("id".equals(field)) {
                id = parser.getText();
            } else if ("risks".equals(field)) {
                while (parser.nextToken() != JsonToken.END_ARRAY) {
                    while (parser.nextToken() != JsonToken.END_OBJECT) {
                        String riskField = parser.getCurrentName();
                        parser.nextToken();

                        if ("report_id".equals(riskField)) {
                            reportId = parser.getText();
                        } else if ("description".equals(riskField)) {
                            description = parser.getText();
                        } else if ("risk".equals(riskField)) {
                            risk = Double.parseDouble(parser.getText());
                        } else if ("population_risk".equals(riskField)) {
                            populationRisk = Double.parseDouble(parser.getText());
                        }
                    }
                    risks.add(new Risk(id, reportId, description, risk, populationRisk));
                    reportId = null;
                    description = null;
                    risk = 0.0d;
                    populationRisk = 0.0d;
                }
            }
        }
        return risks;
    } catch (IOException e) {
        logger.warn("could not parse risks", e);
    } finally {
        try {
            inputStream.close();
        } catch (Exception e) {
            // ignored
        }
        try {
            parser.close();
        } catch (Exception e) {
            // ignored
        }
    }
    return null;
}

From source file:com.github.heuermh.personalgenome.client.converter.JacksonPersonalGenomeConverter.java

@Override
public List<Trait> parseTraits(final InputStream inputStream) {
    checkNotNull(inputStream);//from   www.  j av a2s.com
    JsonParser parser = null;
    try {
        parser = jsonFactory.createParser(inputStream);
        parser.nextToken();

        String id = null;
        String reportId = null;
        String description = null;
        String trait = null;
        Set<String> possibleTraits = new HashSet<String>();
        List<Trait> traits = new ArrayList<Trait>();
        while (parser.nextToken() != JsonToken.END_OBJECT) {
            String field = parser.getCurrentName();
            parser.nextToken();

            if ("id".equals(field)) {
                id = parser.getText();
            } else if ("traits".equals(field)) {
                while (parser.nextToken() != JsonToken.END_ARRAY) {
                    while (parser.nextToken() != JsonToken.END_OBJECT) {
                        String traitField = parser.getCurrentName();
                        parser.nextToken();

                        if ("report_id".equals(traitField)) {
                            reportId = parser.getText();
                        } else if ("description".equals(traitField)) {
                            description = parser.getText();
                        } else if ("trait".equals(traitField)) {
                            trait = parser.getText();
                        } else if ("possible_traits".equals(traitField)) {
                            while (parser.nextToken() != JsonToken.END_ARRAY) {
                                possibleTraits.add(parser.getText());
                            }
                        }
                    }
                    traits.add(new Trait(id, reportId, description, trait, possibleTraits));
                    reportId = null;
                    description = null;
                    trait = null;
                    possibleTraits.clear();
                }
            }
        }
        return traits;
    } catch (IOException e) {
        logger.warn("could not parse traits", e);
    } finally {
        try {
            inputStream.close();
        } catch (Exception e) {
            // ignored
        }
        try {
            parser.close();
        } catch (Exception e) {
            // ignored
        }
    }
    return null;
}

From source file:com.zenesis.qx.remote.RequestHandler.java

/**
 * Reads the current token value, with special consideration for enums
 * @param jp//  ww  w  .  j a va  2  s. c  o m
 * @param clazz
 * @return
 * @throws IOException
 */
private Object readSimpleValue(JsonParser jp, Class clazz) throws IOException {
    if (jp.getCurrentToken() == JsonToken.VALUE_NULL)
        return null;

    Object obj = null;
    if (Enum.class.isAssignableFrom(clazz)) {
        if (jp.getCurrentToken() == JsonToken.FIELD_NAME)
            obj = jp.getCurrentName();
        else
            obj = jp.readValueAs(Object.class);
        if (obj != null) {
            String str = Helpers.camelCaseToEnum(obj.toString());
            obj = Enum.valueOf(clazz, str);
        }
    } else {
        if (jp.getCurrentToken() == JsonToken.FIELD_NAME)
            obj = jp.getCurrentName();
        else
            obj = jp.readValueAs(clazz);
    }
    return obj;
}

From source file:org.jmxtrans.embedded.output.CopperEggWriter.java

/**
 * read_config()/*from  w  ww .ja v  a 2  s.  co m*/
 * The copperegg_config.json file contains a specification for the metric groups and dashboards to be created / or updated.
 * Mandatory
 */
public void read_config(InputStream in) throws Exception {

    JsonFactory f = new MappingJsonFactory();
    JsonParser jp = f.createJsonParser(in);

    JsonToken current;

    current = jp.nextToken();
    if (current != JsonToken.START_OBJECT) {
        logger.warn("read_config: Error:  START_OBJECT not found : quiting.");
        return;
    }
    current = jp.nextToken();
    String fieldName = jp.getCurrentName();
    current = jp.nextToken();
    if (fieldName.equals("config")) {
        if (current != JsonToken.START_OBJECT) {
            logger.warn("read_config: Error:  START_OBJECT not found after config : quiting.");
            return;
        }
        current = jp.nextToken();
        String fieldName2 = jp.getCurrentName();
        if (fieldName2.equals("metric_groups")) {
            current = jp.nextToken();
            if (current != JsonToken.START_ARRAY) {
                logger.warn("read_config: Error:  START_ARRAY not found after metric_groups : quiting.");
                return;
            }

            current = jp.nextToken();
            while (current != JsonToken.END_ARRAY) {
                if (current != JsonToken.START_OBJECT) {
                    logger.warn(
                            "read_config: Error:  START_OBJECT not found after metric_groups START_ARRAY : quiting.");
                    return;
                }
                current = jp.nextToken();
                JsonNode node1 = jp.readValueAsTree();
                String node1string = write_tostring(node1);
                metricgroupMap.put(node1.get("name").asText(), node1string);
                current = jp.nextToken();
            }

            current = jp.nextToken();
            String fieldName3 = jp.getCurrentName();

            if (fieldName3.equals("dashboards")) {
                current = jp.nextToken();
                if (current != JsonToken.START_ARRAY) {
                    logger.warn("read_config: Error:  START_ARRAY not found after dashboards : quiting.");
                    return;
                }
                current = jp.nextToken();
                while (current != JsonToken.END_ARRAY) {
                    if (current != JsonToken.START_OBJECT) {
                        logger.warn(
                                "read_config: Error:  START_OBJECT not found after dashboards START_ARRAY : quiting.");
                        return;
                    }
                    current = jp.nextToken();
                    JsonNode node = jp.readValueAsTree();
                    String nodestring = write_tostring(node);
                    dashMap.put(node.get("name").asText(), nodestring);
                    current = jp.nextToken();

                }
                if (jp.nextToken() != JsonToken.END_OBJECT) {
                    logger.warn("read_config: Error:  END_OBJECT expected, not found (1): quiting.");
                    return;
                }
                if (jp.nextToken() != JsonToken.END_OBJECT) {
                    logger.warn("read_config: Error:  END_OBJECT expected, not found (2): quiting.");
                    return;
                }
            } else {
                logger.warn("read_config: Error:  Expected dashboards : quiting.");
                return;
            }
        } else {
            logger.warn("read_config: Error:  Expected metric_groups : quiting.");
            return;
        }
    }
}

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

@Override
public EObject deserialize(JsonParser jp, DeserializationContext ctxt) throws IOException {
    EMFContext.prepare(ctxt);//from ww w .  jav  a 2  s.  com

    final EClass defaultType = findRoot(ctxt);
    final Resource resource = getResource(ctxt);
    final EStructuralFeature feature = EMFContext.getFeature(ctxt);

    EObject current = null;
    EObjectPropertyMap propertyMap;

    if (feature == null && defaultType != null) {
        propertyMap = builder.construct(defaultType);
    } else if (feature instanceof EReference) {
        propertyMap = builder.construct(((EReference) feature).getEReferenceType());
    } else {
        propertyMap = builder.constructDefault();
    }

    TokenBuffer buffer = null;
    //
    //      System.out.println("context name " + jp.getParsingContext().getCurrentName());
    //      System.out.println("current " + jp.getCurrentValue());
    //      if (jp.getParsingContext().getParent() != null) {
    //         System.out.println("context parent name " + jp.getParsingContext().getParent().getCurrentName());
    //      }

    while (jp.nextToken() != JsonToken.END_OBJECT) {
        final String field = jp.getCurrentName();
        final EObjectProperty property = propertyMap.findProperty(field);

        if (property instanceof EObjectTypeProperty) {
            current = property.deserialize(jp, ctxt);
            if (current != null) {
                propertyMap = builder.construct(current.eClass());
            }
        } else if (property != null && current != null) {
            property.deserializeAndSet(jp, current, ctxt, resource);
        } else if (property == null && current != null) {
            handleUnknownProperty(jp, resource, ctxt);
        } else {
            if (buffer == null) {
                buffer = new TokenBuffer(jp);
            }
            buffer.copyCurrentStructure(jp);
        }
    }

    return buffer == null ? current : postDeserialize(buffer, current, defaultType, ctxt);
}