Java JsonParser类代码示例

import org.apache.tinkerpop.shaded.jackson.core.JsonParser; //导入依赖的package包/类
@Override
public TinkerGraph deserialize(final JsonParser jsonParser, final DeserializationContext deserializationContext) throws IOException, JsonProcessingException {
    final Configuration conf = new BaseConfiguration();
    conf.setProperty("gremlin.tinkergraph.defaultVertexPropertyCardinality", "list");
    final TinkerGraph graph = TinkerGraph.open(conf);

    while (jsonParser.nextToken() != JsonToken.END_OBJECT) {
        if (jsonParser.getCurrentName().equals("vertices")) {
            while (jsonParser.nextToken() != JsonToken.END_ARRAY) {
                if (jsonParser.currentToken() == JsonToken.START_OBJECT) {
                    final DetachedVertex v = (DetachedVertex) deserializationContext.readValue(jsonParser, Vertex.class);
                    v.attach(Attachable.Method.getOrCreate(graph));
                }
            }
        } else if (jsonParser.getCurrentName().equals("edges")) {
            while (jsonParser.nextToken() != JsonToken.END_ARRAY) {
                if (jsonParser.currentToken() == JsonToken.START_OBJECT) {
                    final DetachedEdge e = (DetachedEdge) deserializationContext.readValue(jsonParser, Edge.class);
                    e.attach(Attachable.Method.getOrCreate(graph));
                }
            }
        }
    }

    return graph;
}
 

import org.apache.tinkerpop.shaded.jackson.core.JsonParser; //导入依赖的package包/类
public Vertex deserialize(final JsonParser jsonParser, final DeserializationContext deserializationContext) throws IOException, JsonProcessingException {
    final DetachedVertex.Builder v = DetachedVertex.build();
    while (jsonParser.nextToken() != JsonToken.END_OBJECT) {
        if (jsonParser.getCurrentName().equals(GraphSONTokens.ID)) {
            jsonParser.nextToken();
            v.setId(deserializationContext.readValue(jsonParser, Object.class));
        } else if (jsonParser.getCurrentName().equals(GraphSONTokens.LABEL)) {
            jsonParser.nextToken();
            v.setLabel(jsonParser.getText());
        } else if (jsonParser.getCurrentName().equals(GraphSONTokens.PROPERTIES)) {
            jsonParser.nextToken();
            while (jsonParser.nextToken() != JsonToken.END_OBJECT) {
                jsonParser.nextToken();
                while (jsonParser.nextToken() != JsonToken.END_ARRAY) {
                    v.addProperty((DetachedVertexProperty) deserializationContext.readValue(jsonParser, VertexProperty.class));
                }
            }
        }
    }

    return v.create();
}
 

import org.apache.tinkerpop.shaded.jackson.core.JsonParser; //导入依赖的package包/类
@Override
public Bytecode.Binding deserialize(final JsonParser jsonParser, final DeserializationContext deserializationContext) throws IOException, JsonProcessingException {
    String k = null;
    Object v = null;

    while (jsonParser.nextToken() != JsonToken.END_OBJECT) {
        if (jsonParser.getCurrentName().equals(GraphSONTokens.KEY)) {
            jsonParser.nextToken();
            k = jsonParser.getText();
        } else if (jsonParser.getCurrentName().equals(GraphSONTokens.VALUE)) {
            jsonParser.nextToken();
            v = deserializationContext.readValue(jsonParser, Object.class);
        }
    }
    return new Bytecode.Binding<>(k, v);
}
 

import org.apache.tinkerpop.shaded.jackson.core.JsonParser; //导入依赖的package包/类
public static JsonParserConcat createFlattened(final JsonParser first, final JsonParser second) {
    if (!(first instanceof JsonParserConcat) && !(second instanceof JsonParserConcat)) {
        return new JsonParserConcat(new JsonParser[]{first, second});
    } else {
        final ArrayList p = new ArrayList();
        if (first instanceof JsonParserConcat) {
            ((JsonParserConcat) first).addFlattenedActiveParsers(p);
        } else {
            p.add(first);
        }

        if (second instanceof JsonParserConcat) {
            ((JsonParserConcat) second).addFlattenedActiveParsers(p);
        } else {
            p.add(second);
        }
        return new JsonParserConcat((JsonParser[]) p.toArray(new JsonParser[p.size()]));
    }
}
 

import org.apache.tinkerpop.shaded.jackson.core.JsonParser; //导入依赖的package包/类
@Override
public T deserialize(final JsonParser jsonParser, final DeserializationContext deserializationContext) throws IOException {
    if (!jsonParser.getText().equals(GraphSONTokens.VALUE))
        throw new IOException(String.format("Invalid format for %s - expecting '%s' with a text value in ISO-8061 format", _valueClass.getSimpleName(), GraphSONTokens.VALUE));

    return parse(jsonParser.nextTextValue());
}
 

import org.apache.tinkerpop.shaded.jackson.core.JsonParser; //导入依赖的package包/类
@Override
public RelationIdentifier deserialize(final JsonParser jsonParser, final DeserializationContext deserializationContext) throws IOException, JsonProcessingException {
    if (!jsonParser.getText().equals(FIELD_RELATION_ID)) throw new IOException(String.format("Invalid serialization format for %s", RelationIdentifier.class));
    final RelationIdentifier ri = RelationIdentifier.parse(jsonParser.nextTextValue());
    jsonParser.nextToken();
    return ri;
}
 

import org.apache.tinkerpop.shaded.jackson.core.JsonParser; //导入依赖的package包/类
@Override
public Object deserialize(JsonParser p, DeserializationContext ctxt) throws IOException, JsonProcessingException {
    Object result = super.deserialize(p, ctxt);
    if (result instanceof Map) {
        @SuppressWarnings("unchecked")
        Map<String, Number> map = (Map<String, Number>) result;
        if (map.containsKey(CLUSTER_ID) && map.containsKey(CLUSTER_POSITION)) {
            return new ORecordId(map.get(CLUSTER_ID).intValue(), map.get(CLUSTER_POSITION).longValue());
        }
    }
    return result;
}
 

import org.apache.tinkerpop.shaded.jackson.core.JsonParser; //导入依赖的package包/类
@Override
public Map deserialize(final JsonParser jsonParser, final DeserializationContext deserializationContext) throws IOException, JsonProcessingException {
    final Map<Object,Object> m = new LinkedHashMap<>();

    while (jsonParser.nextToken() != JsonToken.END_ARRAY) {
        final Object key = deserializationContext.readValue(jsonParser, Object.class);
        jsonParser.nextToken();
        final Object val = deserializationContext.readValue(jsonParser, Object.class);
        m.put(key, val);
    }

    return m;
}
 

import org.apache.tinkerpop.shaded.jackson.core.JsonParser; //导入依赖的package包/类
@Override
public T deserialize(final JsonParser jsonParser, final DeserializationContext deserializationContext) throws IOException, JsonProcessingException {
    jsonParser.nextToken();

    // This will automatically parse all typed stuff.
    final Map<String, Object> mapData = deserializationContext.readValue(jsonParser, LinkedHashMap.class);

    return createObject(mapData);
}
 

import org.apache.tinkerpop.shaded.jackson.core.JsonParser; //导入依赖的package包/类
@Override
public Object deserializeWithType(JsonParser jp, DeserializationContext ctxt, TypeDeserializer typeDeserializer) throws IOException {
    return super.deserializeWithType(jp, ctxt, typeDeserializer);
}