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

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

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Introduction

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

Prototype

public abstract JsonToken nextValue() throws IOException, JsonParseException;

Source Link

Document

Iteration method that will advance stream enough to determine type of the next token that is a value type (including JSON Array and Object start/end markers).

Usage

From source file:com.boundary.zoocreeper.Restore.java

private static ACL readACL(JsonParser jp) throws IOException {
    expectCurrentToken(jp, JsonToken.START_OBJECT);
    String scheme = null;//w w w.  ja  v a2  s .  co  m
    String id = null;
    int perms = -1;
    final Set<String> seenFields = Sets.newHashSet();
    while (jp.nextToken() != JsonToken.END_OBJECT) {
        jp.nextValue();
        final String fieldName = jp.getCurrentName();
        seenFields.add(fieldName);
        if (Backup.FIELD_ACL_SCHEME.equals(fieldName)) {
            scheme = jp.getValueAsString();
        } else if (Backup.FIELD_ACL_ID.equals(fieldName)) {
            id = jp.getValueAsString();
        } else if (Backup.FIELD_ACL_PERMS.equals(fieldName)) {
            perms = jp.getIntValue();
        } else {
            throw new IOException("Unexpected field: " + fieldName);
        }
    }
    if (!seenFields.containsAll(REQUIRED_ACL_FIELDS)) {
        throw new IOException("Missing required ACL fields: " + REQUIRED_ACL_FIELDS);
    }
    final Id zkId;
    if (Ids.ANYONE_ID_UNSAFE.getScheme().equals(scheme) && Ids.ANYONE_ID_UNSAFE.getId().equals(id)) {
        zkId = Ids.ANYONE_ID_UNSAFE;
    } else {
        zkId = new Id(scheme, id);
    }
    return new ACL(perms, zkId);
}

From source file:com.boundary.zoocreeper.Restore.java

private static BackupZNode readZNode(JsonParser jp, String path) throws IOException {
    expectNextToken(jp, JsonToken.START_OBJECT);
    long ephemeralOwner = 0;
    byte[] data = null;
    final List<ACL> acls = Lists.newArrayList();
    final Set<String> seenFields = Sets.newHashSet();
    while (jp.nextToken() != JsonToken.END_OBJECT) {
        jp.nextValue();
        final String fieldName = jp.getCurrentName();
        seenFields.add(fieldName);/* ww  w.  ja va 2  s. c  o m*/
        if (Backup.FIELD_EPHEMERAL_OWNER.equals(fieldName)) {
            ephemeralOwner = jp.getLongValue();
        } else if (Backup.FIELD_DATA.equals(fieldName)) {
            if (jp.getCurrentToken() == JsonToken.VALUE_NULL) {
                data = null;
            } else {
                data = jp.getBinaryValue();
            }
        } else if (Backup.FIELD_ACLS.equals(fieldName)) {
            readACLs(jp, acls);
        } else {
            LOGGER.debug("Ignored field: {}", fieldName);
        }
    }
    if (!seenFields.containsAll(REQUIRED_ZNODE_FIELDS)) {
        throw new IOException("Missing required fields: " + REQUIRED_ZNODE_FIELDS);
    }
    return new BackupZNode(path, ephemeralOwner, data, acls);
}

From source file:com.microsoft.azure.storage.table.TableStorageErrorDeserializer.java

/**
 * Gets the Extended Error information.//from w  ww  .  j  a va2  s  .  c o  m
 * 
 * @return the Extended Error information.
 * 
 * @param reader
 *            the input stream to read error details from.
 * @param format
 *            The {@link TablePayloadFormat} to use for parsing
 * @throws IOException
 *             if an error occurs while accessing the stream with Json.
 * @throws JsonParseException
 *             if an error occurs while parsing the stream.
 */
public static StorageExtendedErrorInformation getExtendedErrorInformation(final Reader reader,
        final TablePayloadFormat format) throws JsonParseException, IOException {
    JsonFactory jsonFactory = new JsonFactory();
    JsonParser parser = jsonFactory.createParser(reader);
    try {
        final StorageExtendedErrorInformation errorInfo = new StorageExtendedErrorInformation();

        if (!parser.hasCurrentToken()) {
            parser.nextToken();
        }

        JsonUtilities.assertIsStartObjectJsonToken(parser);

        parser.nextToken();
        JsonUtilities.assertIsFieldNameJsonToken(parser);
        JsonUtilities.assertIsExpectedFieldName(parser, "odata.error");

        // start getting extended error information
        parser.nextToken();
        JsonUtilities.assertIsStartObjectJsonToken(parser);

        // get code
        parser.nextValue();
        JsonUtilities.assertIsExpectedFieldName(parser, TableConstants.ErrorConstants.ERROR_CODE);
        errorInfo.setErrorCode(parser.getValueAsString());

        // get message
        parser.nextToken();
        JsonUtilities.assertIsFieldNameJsonToken(parser);
        JsonUtilities.assertIsExpectedFieldName(parser, TableConstants.ErrorConstants.ERROR_MESSAGE);

        parser.nextToken();
        JsonUtilities.assertIsStartObjectJsonToken(parser);

        parser.nextValue();
        JsonUtilities.assertIsExpectedFieldName(parser, "lang");

        parser.nextValue();
        JsonUtilities.assertIsExpectedFieldName(parser, "value");
        errorInfo.setErrorMessage(parser.getValueAsString());

        parser.nextToken();
        JsonUtilities.assertIsEndObjectJsonToken(parser);

        parser.nextToken();

        // get innererror if it exists
        if (parser.getCurrentToken() == JsonToken.FIELD_NAME) {
            JsonUtilities.assertIsExpectedFieldName(parser, TableConstants.ErrorConstants.INNER_ERROR);
            errorInfo.getAdditionalDetails().putAll(parseJsonErrorException(parser));
            parser.nextToken();
        }

        // end code object
        JsonUtilities.assertIsEndObjectJsonToken(parser);

        // end odata.error object
        parser.nextToken();
        JsonUtilities.assertIsEndObjectJsonToken(parser);

        return errorInfo;
    } finally {
        parser.close();
    }
}

From source file:no.ssb.jsonstat.v2.deser.DatasetDeserializerTest.java

@Test
public void testDimensionOrder() throws Exception {
    ObjectMapper mapper = new ObjectMapper();
    mapper.registerModule(new GuavaModule());
    mapper.registerModule(new Jdk8Module());
    mapper.registerModule(new JavaTimeModule());
    mapper.registerModule(new JsonStatModule());

    URL resource = getResource(getClass(), "dimOrder.json");

    JsonParser jsonParser = mapper.getFactory().createParser(resource.openStream());
    jsonParser.nextValue();

    DatasetBuildable deserialize = ds.deserialize(jsonParser, mapper.getDeserializationContext());

    assertThat(deserialize.build().getDimension().keySet()).containsExactly("A", "B", "C");

}

From source file:no.ssb.jsonstat.v2.deser.DatasetDeserializerTest.java

@Test
public void testParseValues() throws Exception {
    ObjectMapper mapper = new ObjectMapper();

    JsonParser mapParser = mapper.getFactory()
            .createParser("" + "{ " + "  \"0\": 10," + "  \"1\": 20," + "  \"3\": 30," + "  \"4\": 40}");
    mapParser.nextValue();

    JsonParser arrayParser = mapper.getFactory().createParser("[ 10, 20, null, 30, 40 ]");
    arrayParser.nextValue();/*from  w w  w .  java  2  s .c o m*/

    List<Number> fromMap = ds.parseValues(mapParser, null);
    List<Number> fromArray = ds.parseValues(arrayParser, null);
    List<Number> expected = Lists.newArrayList(10, 20, null, 30, 40);

    SoftAssertions softly = new SoftAssertions();
    softly.assertThat(fromMap).as("deserialize values from map").isEqualTo(expected);
    softly.assertThat(fromArray).as("deserialize values from array").isEqualTo(expected);
    softly.assertAll();

}

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;//from   w  ww  . jav a 2  s. co 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:no.ssb.jsonstat.v2.deser.DimensionDeserializer.java

private void parseCategory(Dimension.Builder dimension, JsonParser p, DeserializationContext ctxt)
        throws IOException {
    Map<String, String> index = null;
    Map<String, String> label = null;
    while (p.nextValue() != JsonToken.END_OBJECT) {
        switch (p.getCurrentName()) {
        case "index":
            index = parseIndex(p, ctxt);
            break;
        case "label":
            label = parseCategoryLabel(p, ctxt);
            break;
        case "unit":
            // TODO: Support units.
            parseUnit(p, ctxt);/*from  ww w .  j ava 2 s  .  com*/
            break;
        default:
            ctxt.handleUnknownProperty(p, this, Dimension.Builder.class, p.getCurrentName());
            break;
        }
    }
    checkArgument(!(index == null && label == null), "either label or index is required");

    // Once we have everything, we can build the dimension.

    if (index == null) {
        checkArgument(label.size() >= 1,
                "category label must contain a least one element if " + "no index is provided");
        dimension.withIndexedLabels(ImmutableMap.copyOf(label));
        return;
    }
    if (label == null) {
        dimension.withCategories(ImmutableSet.copyOf(index.keySet()));
        return;
    }

    // TODO: Maybe the checks should reside inside the builder?
    checkArgument(label.size() == index.size(), "label and index's sizes were inconsistent");

    ImmutableMap<String, String> withIndex = index.keySet().stream()
            .collect(toImmutableMap(Function.identity(), label::get));
    dimension.withIndexedLabels(withIndex);

}

From source file:com.cedarsoft.couchdb.test.utils.AttachmentsTest.java

License:asdf

@Test
public void testInlined() throws Exception {
    CouchDoc<String> doc = new CouchDoc<String>(new DocId("asdf"), "the object");
    doc.addAttachment(new CouchDoc.InlineAttachment(new AttachmentId("daid"), MediaType.TEXT_XML_TYPE,
            "<x/>".getBytes()));
    doc.addAttachment(new CouchDoc.InlineAttachment(new AttachmentId("hehe"), MediaType.APPLICATION_XML_TYPE,
            "<x2/>".getBytes()));

    AbstractJacksonSerializer<String> serializer = new AbstractJacksonSerializer<String>("daString",
            VersionRange.single(1, 0, 0)) {
        @Override//from   www . j  a v a 2  s . c om
        public void serialize(@Nonnull JsonGenerator serializeTo, @Nonnull String object,
                @Nonnull Version formatVersion) throws IOException, VersionException, JsonProcessingException {
            serializeTo.writeStringField("daString", object);
        }

        @Nonnull
        @Override
        public String deserialize(@Nonnull JsonParser deserializeFrom, @Nonnull Version formatVersion)
                throws IOException, VersionException, JsonProcessingException {
            deserializeFrom.nextToken();
            deserializeFrom.nextValue();

            try {
                return deserializeFrom.getText();
            } finally {
                deserializeFrom.nextToken();
            }
        }
    };
    assertEquals(201, db().put(doc, serializer).getStatus());

    JsonUtils.assertJsonEquals(getClass().getResource("doc_with_2_attachments.json"),
            new String(ByteStreams.toByteArray(db().get(doc.getId()))));

    CouchDoc<String> resolvedDoc = db().get(doc.getId(), serializer);
    assertEquals("the object", resolvedDoc.getObject());
    assertEquals(2, resolvedDoc.getAttachments().size());
    assertEquals("daid", resolvedDoc.getAttachments().get(0).getId().asString());
    assertEquals("text/xml", resolvedDoc.getAttachments().get(0).getContentType().toString());
    assertEquals("hehe", resolvedDoc.getAttachments().get(1).getId().asString());
    assertEquals("application/xml", resolvedDoc.getAttachments().get(1).getContentType().toString());
}

From source file:no.ssb.jsonstat.v2.deser.DimensionDeserializer.java

@Override
public Dimension.Builder deserialize(JsonParser p, DeserializationContext ctxt)
        throws IOException, JsonProcessingException {

    // Get the name first.
    String name = parseName(p, ctxt);

    if (p.getCurrentToken() == JsonToken.START_OBJECT) {
        p.nextToken();//from  w w w.j  a va2s  .c  o  m
    }

    Dimension.Builder dimension;
    dimension = Dimension.create(name);

    while (p.nextValue() != JsonToken.END_OBJECT) {
        switch (p.getCurrentName()) {
        case "category":
            parseCategory(dimension, p, ctxt);
            break;
        case "label":
            dimension.withLabel(parseLabel(p, ctxt));
            break;
        default:
            ctxt.handleUnknownProperty(p, this, Dimension.Builder.class, p.getCurrentName());
            break;
        }
    }

    return dimension;
}

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

private void parseDownloadUrls(JsonParser parser, ContentValues result) throws JsonParseException, IOException {
    // parser points at begin object token right now
    if (parser.getCurrentToken() == JsonToken.START_OBJECT) {
        while (parser.nextValue() != JsonToken.END_OBJECT) {
            String fieldName = parser.getCurrentName();

            if (downloadUrlFields.contains(fieldName)) {
                result.put(fieldName + "url", parser.getValueAsString());
            }/*from  w w  w  .  java 2  s.  c om*/
        }
    }
    //      else we must not have any download urls (null, '', something like that.)
}