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:com.cedarsoft.serialization.jackson.test.compatible.JacksonCompatibleTest.java

@Test
public void testReadCompatible() throws Exception {
    JsonParser parser = jsonFactory.createJsonParser(getClass().getResource("simple.json"));

    JacksonParserWrapper wrapper = new JacksonParserWrapper(parser);
    wrapper.startObject();/* w  w  w .  j a  v a2s . c o m*/
    wrapper.nextField("street");

    assertThat(parser.getText()).isEqualTo("street");
    assertThat(parser.nextToken()).isEqualTo(JsonToken.VALUE_STRING);
    assertThat(parser.getText()).isEqualTo("Schlossalle");

    wrapper.nextField("number");

    assertThat(parser.nextToken()).isEqualTo(JsonToken.VALUE_NUMBER_INT);
    assertThat(parser.getValueAsInt()).isEqualTo(7);

    assertThat(parser.nextToken()).isEqualTo(JsonToken.END_OBJECT);

    wrapper.ensureObjectClosed();
}

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From source file:com.sdl.odata.unmarshaller.json.core.JsonProcessor.java

/**
 * This method fills odataMap that contains special tags "odata" with key:value When the key token is over, you need
 * to execute nextToken() in order to get value.
 *
 * @param jsonParser the parser//  w  w w.ja v  a2  s .  c  o  m
 * @throws IOException If unable to read input parser
 */
private void processSpecialTags(JsonParser jsonParser) throws IOException {
    LOG.info("@odata tags found - start parsing");
    String key = jsonParser.getCurrentName();
    jsonParser.nextToken();
    String value = jsonParser.getText();
    odataValues.put(key, value);
}

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From source file:de.upb.wdqa.wdvd.datamodel.oldjson.jackson.deserializers.OldAliasesDeserializer.java

@Override
public LinkedHashMap<String, List<String>> deserialize(JsonParser jp, DeserializationContext ctxt)
        throws IOException, JsonProcessingException {

    LinkedHashMap<String, List<String>> result = new LinkedHashMap<String, List<String>>();

    // Is the alias broken, i.e., it starts with '['
    if (jp.getCurrentToken().equals(JsonToken.START_ARRAY)) {
        jp.nextToken();
        if (!jp.getCurrentToken().equals(JsonToken.END_ARRAY)) {
            logger.warn("Token " + JsonToken.END_ARRAY + " expected");
        }//from w w w .  j a va2  s  . c  om
    } else {
        ObjectCodec mapper = jp.getCodec();
        result = mapper.readValue(jp, new TypeReference<LinkedHashMap<String, OldAliasList>>() {
        });
    }

    return result;
}

---

From source file:org.intelligentsia.dowsers.core.serializers.jackson.ClassInformationDeserializer.java

@Override
public ClassInformation deserialize(final JsonParser jp, final DeserializationContext ctxt)
        throws IOException, JsonProcessingException {
    String description = null;/*  ww  w.  j  ava 2s.  c  o m*/

    if (jp.hasCurrentToken()) {
        if (jp.getCurrentToken().equals(JsonToken.START_OBJECT)) {
            jp.nextValue();
            description = jp.getText();
            jp.nextToken();
        }
    }

    return description != null ? ClassInformation.parse(description) : null;
}

---

From source file:com.adobe.communities.ugc.migration.importer.GenericUGCImporter.java

protected void doGet(final SlingHttpServletRequest request, final SlingHttpServletResponse response)
        throws ServletException, IOException {

    final ResourceResolver resolver = request.getResourceResolver();

    UGCImportHelper.checkUserPrivileges(resolver, rrf);

    final String path = request.getRequestParameter("path").getString();
    final Resource resource = resolver.getResource(path);
    if (resource == null) {
        throw new ServletException("Could not find a valid resource for import");
    }//w  w  w. j a va2s .c om
    final String filePath = request.getRequestParameter("filePath").getString();
    if (!filePath.startsWith(ImportFileUploadServlet.UPLOAD_DIR)) {
        throw new ServletException("Path to file resource lies outside migration import path");
    }
    final Resource fileResource = resolver.getResource(filePath);
    if (fileResource == null) {
        throw new ServletException("Could not find a valid file resource to read");
    }
    // get the input stream from the file resource
    Resource file = fileResource.getChild("file");
    if (null != file && !(file instanceof NonExistingResource)) {
        file = file.getChild(JcrConstants.JCR_CONTENT);
        if (null != file && !(file instanceof NonExistingResource)) {
            final ValueMap contentVM = file.getValueMap();
            InputStream inputStream = (InputStream) contentVM.get(JcrConstants.JCR_DATA);
            if (inputStream != null) {
                final JsonParser jsonParser = new JsonFactory().createParser(inputStream);
                jsonParser.nextToken(); // get the first token

                importFile(jsonParser, resource, resolver);
                ImportFileUploadServlet.deleteResource(fileResource);
                return;
            }
        }
    }
    throw new ServletException("Unable to read file in provided file resource path");
}

---

From source file:net.floodlightcontroller.loadbalancer.PoolsResource.java

protected LBPool jsonToPool(String json) throws IOException {
    if (json == null)
        return null;

    MappingJsonFactory f = new MappingJsonFactory();
    JsonParser jp;
    LBPool pool = new LBPool();

    try {//from  www .j av  a2  s  .c  o  m
        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;
        if (n.equals("id")) {
            pool.id = jp.getText();
            continue;
        }
        if (n.equals("tenant_id")) {
            pool.tenantId = jp.getText();
            continue;
        }
        if (n.equals("name")) {
            pool.name = jp.getText();
            continue;
        }
        if (n.equals("network_id")) {
            pool.netId = jp.getText();
            continue;
        }
        if (n.equals("lb_method")) {
            pool.lbMethod = Short.parseShort(jp.getText());
            continue;
        }
        if (n.equals("protocol")) {
            String tmp = jp.getText();
            if (tmp.equalsIgnoreCase("TCP")) {
                pool.protocol = IPv4.PROTOCOL_TCP;
            } else if (tmp.equalsIgnoreCase("UDP")) {
                pool.protocol = IPv4.PROTOCOL_UDP;
            } else if (tmp.equalsIgnoreCase("ICMP")) {
                pool.protocol = IPv4.PROTOCOL_ICMP;
            }
            continue;
        }
        if (n.equals("vip_id")) {
            pool.vipId = jp.getText();
            continue;
        }

        log.warn("Unrecognized field {} in " + "parsing Pools", jp.getText());
    }
    jp.close();

    return pool;
}

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From source file:com.ryan.ryanreader.jsonwrap.JsonBufferedObject.java

@Override
protected void buildBuffered(final JsonParser jp) throws IOException {

    JsonToken jt;//from  w ww .ja  v a 2  s . c  o  m

    while ((jt = jp.nextToken()) != JsonToken.END_OBJECT) {

        if (jt != JsonToken.FIELD_NAME)
            throw new JsonParseException("Expecting field name, got " + jt.name(), jp.getCurrentLocation());

        final String fieldName = jp.getCurrentName();
        final JsonValue value = new JsonValue(jp);

        synchronized (this) {
            properties.put(fieldName, value);
            notifyAll();
        }

        value.buildInThisThread();
    }
}

---

From source file:de.upb.wdqa.wdvd.datamodel.oldjson.jackson.deserializers.OldLabelsDescriptionsDeserializer.java

@Override
public LinkedHashMap<String, String> deserialize(JsonParser jp, DeserializationContext ctxt)
        throws IOException, JsonProcessingException {

    LinkedHashMap<String, String> result = null;

    // Is the alias broken, i.e., it starts with '['
    if (jp.getCurrentToken().equals(JsonToken.START_ARRAY)) {
        result = new LinkedHashMap<String, String>();
        jp.nextToken();
        if (!jp.getCurrentToken().equals(JsonToken.END_ARRAY)) {
            logger.warn("Token " + JsonToken.END_ARRAY + " expected");
        }//from w w w  . j a va  2 s.  co  m
    } else {
        ObjectCodec mapper = jp.getCodec();
        result = mapper.readValue(jp, new TypeReference<LinkedHashMap<String, String>>() {
        });
    }

    return result;
}

---

From source file:org.hyperledger.dropwizard.hocon.HoconDeserializer.java

protected ConfigObject deserializeObject(JsonParser jp, DeserializationContext ctxt) throws IOException {
    HashMap<String, Object> mapping = new HashMap<>();

    while (jp.nextToken() != JsonToken.END_OBJECT) {
        String name = jp.getCurrentName();
        JsonToken t = jp.nextToken();// w  ww.ja v  a  2s  . c o m
        switch (t) {
        case START_ARRAY:
            mapping.put(name, deserializeArray(jp, ctxt).unwrapped());
            break;
        case START_OBJECT:
            mapping.put(name, deserializeObject(jp, ctxt).unwrapped());
            break;
        case VALUE_FALSE:
            mapping.put(name, false);
            break;
        case VALUE_TRUE:
            mapping.put(name, true);
            break;
        case VALUE_NULL:
            mapping.put(name, null);
            break;
        case VALUE_NUMBER_FLOAT:
            if (jp.getNumberType() == JsonParser.NumberType.BIG_DECIMAL) {
                mapping.put(name, jp.getDecimalValue());
            } else {
                mapping.put(name, jp.getDoubleValue());
            }
            break;
        case VALUE_NUMBER_INT:
            // very cumbersome... but has to be done
            switch (jp.getNumberType()) {
            case LONG:
                mapping.put(name, jp.getLongValue());
                break;
            case INT:
                mapping.put(name, jp.getIntValue());
                break;
            default:
                mapping.put(name, jp.getBigIntegerValue());
            }
            break;
        case VALUE_STRING:
            mapping.put(name, jp.getText());
            break;
        case VALUE_EMBEDDED_OBJECT: {
            Object ob = jp.getEmbeddedObject();
            if (ob instanceof byte[]) {
                String b64 = ctxt.getBase64Variant().encode((byte[]) ob, false);
                mapping.put(name, b64);
                break;
            }
        }
        default:
            throw ctxt.mappingException(_valueClass);
        }
    }
    return ConfigValueFactory.fromMap(mapping);
}

---

From source file:com.basistech.rosette.dm.jackson.array.MorphoAnalysisListArrayDeserializer.java

@Override
public List<MorphoAnalysis> deserialize(JsonParser jp, DeserializationContext ctxt) throws IOException {
    if (jp.getCurrentToken() != JsonToken.START_ARRAY) {
        throw ctxt.wrongTokenException(jp, JsonToken.START_ARRAY, "Expected array of items");
    }// www . jav a2  s .  c  om
    List<MorphoAnalysis> results = Lists.newArrayList();
    MorphoAnalysisTypes type = MorphoAnalysisTypes.PLAIN;
    while (jp.nextToken() != JsonToken.END_ARRAY) {
        if (jp.getCurrentToken() == JsonToken.VALUE_NUMBER_INT) {
            type = MorphoAnalysisTypes.byOrdinal(jp.getIntValue());
            jp.nextToken();
        }
        results.add(jp.readValueAs(type.getMorphoAnalysisClass()));
    }
    return ImmutableList.copyOf(results);
}

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