Example usage for com.google.gson.stream JsonToken STRING

List of usage examples for com.google.gson.stream JsonToken STRING

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In this page you can find the example usage for com.google.gson.stream JsonToken STRING.

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JsonToken STRING

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Document

A JSON string.

Usage

From source file:com.getperka.flatpack.Unpacker.java

License:Apache License

private <T> FlatPackEntity<T> unpack(Type returnType, JsonReader reader, Principal principal)
        throws IOException {
    // Hold temporary state for deserialization
    DeserializationContext context = contexts.get();

    /*/*  w  w w  .j  av a2  s .  c o m*/
     * Decoding is done as a two-pass operation since the runtime type of an allocated object cannot
     * be swizzled. The per-entity data is held as a semi-reified JsonObject to be passed off to a
     * Codex.
     */
    Map<HasUuid, JsonObject> entityData = FlatPackCollections.mapForIteration();
    // Used to populate the entityData map
    JsonParser jsonParser = new JsonParser();
    /*
     * The reader is placed in lenient mode as an aid to developers, however all output will be
     * strictly formatted.
     */
    reader.setLenient(true);

    // The return value
    @SuppressWarnings("unchecked")
    FlatPackEntity<T> toReturn = (FlatPackEntity<T>) FlatPackEntity.create(returnType, null, principal);
    // Stores the single, top-level value in the payload for two-pass reification
    JsonElement value = null;

    if (reader.peek().equals(JsonToken.NULL)) {
        return toReturn;
    }

    reader.beginObject();

    while (JsonToken.NAME.equals(reader.peek())) {
        String name = reader.nextName();
        if ("data".equals(name)) {
            // data : { "fooEntity" : [ { ... }, { ... } ]
            reader.beginObject();
            while (JsonToken.NAME.equals(reader.peek())) {
                // Turn "fooEntity" into the actual FooEntity class
                String simpleName = reader.nextName();
                Class<? extends HasUuid> clazz = typeContext.getClass(simpleName);
                if (clazz == null) {
                    if (ignoreUnresolvableTypes) {
                        reader.skipValue();
                        continue;
                    } else {
                        throw new UnsupportedOperationException("Cannot resolve type " + simpleName);
                    }
                } else if (Modifier.isAbstract(clazz.getModifiers())) {
                    throw new UnsupportedOperationException(
                            "A subclass of " + simpleName + " must be used instead");
                }
                context.pushPath("allocating " + simpleName);
                try {
                    // Find the Codex for the requested entity type
                    EntityCodex<?> codex = (EntityCodex<?>) typeContext.getCodex(clazz);

                    // Take the n-many property objects and stash them for later decoding
                    reader.beginArray();
                    while (!JsonToken.END_ARRAY.equals(reader.peek())) {
                        JsonObject chunk = jsonParser.parse(reader).getAsJsonObject();
                        HasUuid entity = codex.allocate(chunk, context);
                        toReturn.addExtraEntity(entity);
                        entityData.put(entity, chunk.getAsJsonObject());
                    }
                    reader.endArray();
                } finally {
                    context.popPath();
                }
            }
            reader.endObject();
        } else if ("errors".equals(name)) {
            // "errors" : { "path" : "problem", "path2" : "problem2" }
            reader.beginObject();
            while (JsonToken.NAME.equals(reader.peek())) {
                String path = reader.nextName();
                if (JsonToken.STRING.equals(reader.peek()) || JsonToken.NUMBER.equals(reader.peek())) {
                    toReturn.addError(path, reader.nextString());
                } else {
                    reader.skipValue();
                }
            }
            reader.endObject();
        } else if ("metadata".equals(name)) {
            reader.beginArray();

            while (!JsonToken.END_ARRAY.equals(reader.peek())) {
                EntityMetadata meta = new EntityMetadata();
                JsonObject metaElement = jsonParser.parse(reader).getAsJsonObject();
                metaCodex.get().readProperties(meta, metaElement, context);
                toReturn.addMetadata(meta);
            }

            reader.endArray();
        } else if ("value".equals(name)) {
            // Just stash the value element in case it occurs first
            value = jsonParser.parse(reader);
        } else if (JsonToken.STRING.equals(reader.peek()) || JsonToken.NUMBER.equals(reader.peek())) {
            // Save off any other simple properties
            toReturn.putExtraData(name, reader.nextString());
        } else {
            // Ignore random other entries
            reader.skipValue();
        }
    }

    reader.endObject();
    reader.close();

    for (Map.Entry<HasUuid, JsonObject> entry : entityData.entrySet()) {
        HasUuid entity = entry.getKey();
        EntityCodex<HasUuid> codex = (EntityCodex<HasUuid>) typeContext.getCodex(entity.getClass());
        codex.readProperties(entity, entry.getValue(), context);
    }

    @SuppressWarnings("unchecked")
    Codex<T> returnCodex = (Codex<T>) typeContext.getCodex(toReturn.getType());
    toReturn.withValue(returnCodex.read(value, context));

    for (Map.Entry<UUID, String> entry : context.getWarnings().entrySet()) {
        toReturn.addWarning(entry.getKey().toString(), entry.getValue());
    }

    // Process metadata
    for (EntityMetadata meta : toReturn.getMetadata()) {
        if (meta.isPersistent()) {
            HasUuid entity = context.getEntity(meta.getUuid());
            if (entity instanceof PersistenceAware) {
                ((PersistenceAware) entity).markPersistent();
            }
        }
    }

    context.runPostWork();
    context.close();

    return toReturn;
}

From source file:com.gilecode.yagson.adapters.TypeAdvisableComplexTypeAdapter.java

License:Apache License

public T read(JsonReader in, ReadContext ctx) throws IOException {
    JsonToken nextToken = in.peek();//from www. j av  a 2 s  .  com

    if (nextToken == JsonToken.NULL) {
        in.nextNull();
        return null;
    } else if (nextToken == JsonToken.STRING) {
        // for complex type adapters, each string is a reference, no isReferenceString() match required
        String reference = in.nextString();
        T referenced = ctx.refsContext().getReferencedObject(reference);
        return referenced;
    }

    return readOptionallyAdvisedInstance(in, ctx);
}

From source file:com.github.gv2011.hprops.Converter.java

License:Open Source License

private void dispatch(final JsonReader json, final Consumer<Property> target, final JsonToken t,
        final String key) {
    if (t.equals(JsonToken.BOOLEAN))
        write(target, key, getBoolean(json));
    else if (t.equals(JsonToken.STRING))
        write(target, key, getString(json));
    else if (t.equals(JsonToken.NUMBER))
        write(target, key, getNumber(json));
    else if (t.equals(JsonToken.BEGIN_OBJECT))
        doObject(json, target, key);/*w  w  w . java 2s.  c  o m*/
    else if (t.equals(JsonToken.BEGIN_ARRAY))
        doList(json, target, key);
    else if (t.equals(JsonToken.NULL))
        getNull(json);
    else
        throw new IllegalArgumentException(t.toString());
}

From source file:com.goide.dlv.JsonReaderEx.java

License:Apache License

/**
 * Returns the type of the next token without consuming it.
 *///from ww  w  .  j a va  2  s  .  c om
@NotNull
public JsonToken peek() {
    int p = peeked;
    if (p == PEEKED_NONE) {
        p = doPeek();
    }

    switch (p) {
    case PEEKED_BEGIN_OBJECT:
        return JsonToken.BEGIN_OBJECT;
    case PEEKED_END_OBJECT:
        return JsonToken.END_OBJECT;
    case PEEKED_BEGIN_ARRAY:
        return JsonToken.BEGIN_ARRAY;
    case PEEKED_END_ARRAY:
        return JsonToken.END_ARRAY;
    case PEEKED_SINGLE_QUOTED_NAME:
    case PEEKED_DOUBLE_QUOTED_NAME:
    case PEEKED_UNQUOTED_NAME:
        return JsonToken.NAME;
    case PEEKED_TRUE:
    case PEEKED_FALSE:
        return JsonToken.BOOLEAN;
    case PEEKED_NULL:
        return JsonToken.NULL;
    case PEEKED_SINGLE_QUOTED:
    case PEEKED_DOUBLE_QUOTED:
    case PEEKED_UNQUOTED:
    case PEEKED_BUFFERED:
        return JsonToken.STRING;
    case PEEKED_LONG:
    case PEEKED_NUMBER:
        return JsonToken.NUMBER;
    case PEEKED_EOF:
        return JsonToken.END_DOCUMENT;
    default:
        throw new AssertionError();
    }
}

From source file:com.google.gerrit.httpd.restapi.RestApiServlet.java

License:Apache License

private Object parseRequest(HttpServletRequest req, Type type) throws IOException, BadRequestException,
        SecurityException, IllegalArgumentException, NoSuchMethodException, IllegalAccessException,
        InstantiationException, InvocationTargetException, MethodNotAllowedException {
    if (isType(JSON_TYPE, req.getContentType())) {
        try (BufferedReader br = req.getReader(); JsonReader json = new JsonReader(br)) {
            json.setLenient(true);/*  w w w  .  ja  v a2s .  c  o m*/

            JsonToken first;
            try {
                first = json.peek();
            } catch (EOFException e) {
                throw new BadRequestException("Expected JSON object");
            }
            if (first == JsonToken.STRING) {
                return parseString(json.nextString(), type);
            }
            return OutputFormat.JSON.newGson().fromJson(json, type);
        }
    } else if (("PUT".equals(req.getMethod()) || "POST".equals(req.getMethod())) && acceptsRawInput(type)) {
        return parseRawInput(req, type);
    } else if ("DELETE".equals(req.getMethod()) && hasNoBody(req)) {
        return null;
    } else if (hasNoBody(req)) {
        return createInstance(type);
    } else if (isType("text/plain", req.getContentType())) {
        try (BufferedReader br = req.getReader()) {
            char[] tmp = new char[256];
            StringBuilder sb = new StringBuilder();
            int n;
            while (0 < (n = br.read(tmp))) {
                sb.append(tmp, 0, n);
            }
            return parseString(sb.toString(), type);
        }
    } else if ("POST".equals(req.getMethod()) && isType(FORM_TYPE, req.getContentType())) {
        return OutputFormat.JSON.newGson().fromJson(ParameterParser.formToJson(req), type);
    } else {
        throw new BadRequestException("Expected Content-Type: " + JSON_TYPE);
    }
}

From source file:com.google.maps.internal.LocalTimeAdapter.java

License:Open Source License

/**
 * Read a time from the Places API and convert to a {@link LocalTime}
 *///  w  w  w . ja v a2  s  . c o  m
@Override
public LocalTime read(JsonReader reader) throws IOException {
    if (reader.peek() == JsonToken.NULL) {
        reader.nextNull();
        return null;
    }

    if (reader.peek() == JsonToken.STRING) {
        DateTimeFormatter dtf = DateTimeFormat.forPattern("HHmm");
        return LocalTime.parse(reader.nextString(), dtf);
    }

    throw new UnsupportedOperationException("Unsupported format");
}

From source file:com.gs.reladomo.serial.gson.GsonWrappedListTypedAdapter.java

License:Apache License

@Override
public SerializedList<U, T> read(JsonReader jsonReader) throws IOException {
    ReladomoDeserializer deserializer;//from  w ww.  j  av  a2 s. com
    if (this.typeClass == null) {
        deserializer = new ReladomoDeserializer();
    } else {
        deserializer = new ReladomoDeserializer(typeClass);
    }
    deserializer.setIgnoreUnknown();
    JsonDeserializerState state = JsonDeserializerState.ListStartState.INSTANCE;
    while (true) {
        JsonToken nextToken = jsonReader.peek();
        //BEGIN_ARRAY, END_ARRAY, BEGIN_OBJECT, END_OBJECT, NAME, STRING, NUMBER, BOOLEAN, NULL, END_DOCUMENT;
        if (JsonToken.BEGIN_OBJECT == nextToken) {
            jsonReader.beginObject();
            state = state.startObject(deserializer);
        } else if (JsonToken.END_OBJECT == nextToken) {
            jsonReader.endObject();
            state = state.endObject(deserializer);
        } else if (JsonToken.BEGIN_ARRAY == nextToken) {
            jsonReader.beginArray();
            state = state.startArray(deserializer);
        } else if (JsonToken.END_ARRAY == nextToken) {
            jsonReader.endArray();
            state = state.endArray(deserializer);
        } else if (JsonToken.BOOLEAN == nextToken) {
            if (jsonReader.nextBoolean()) {
                state = state.valueTrue(deserializer);
            } else {
                state = state.valueFalse(deserializer);
            }
        } else if (JsonToken.NAME == nextToken) {
            String name = jsonReader.nextName();
            state = state.fieldName(name, deserializer);
        } else if (JsonToken.NUMBER == nextToken) {
            String value = jsonReader.nextString();
            state = state.valueString(value, deserializer); // we do the parsing to avoid precision loss
        } else if (JsonToken.STRING == nextToken) {
            String value = jsonReader.nextString();
            Attribute attribute = deserializer.getCurrentAttribute();
            if (attribute instanceof TimestampAttribute) {
                Timestamp timestamp = GsonReladomoTypeAdapterSerialWriter.jsonToTimestamp(value);
                state = state.valueTimestamp(timestamp, deserializer);
            } else {
                state = state.valueString(value, deserializer);
            }
        } else if (JsonToken.NULL == nextToken) {
            jsonReader.nextNull();
            state = state.valueNull(deserializer);
        } else if (JsonToken.END_DOCUMENT == nextToken) {
            break;
        }
    }
    return deserializer.getDeserializedResultAsList();
}

From source file:com.gs.reladomo.serial.gson.GsonWrappedTypedAdapter.java

License:Apache License

@Override
public Serialized<T> read(JsonReader jsonReader) throws IOException {
    ReladomoDeserializer deserializer;//from  w  w  w.ja v  a  2  s .c o m
    if (this.typeClass == null) {
        deserializer = new ReladomoDeserializer();
    } else {
        deserializer = new ReladomoDeserializer(typeClass);
    }
    deserializer.setIgnoreUnknown();
    JsonDeserializerState state = JsonDeserializerState.NormalParserState.INSTANCE;
    while (true) {
        JsonToken nextToken = jsonReader.peek();
        //BEGIN_ARRAY, END_ARRAY, BEGIN_OBJECT, END_OBJECT, NAME, STRING, NUMBER, BOOLEAN, NULL, END_DOCUMENT;
        if (JsonToken.BEGIN_OBJECT == nextToken) {
            jsonReader.beginObject();
            state = state.startObject(deserializer);
        } else if (JsonToken.END_OBJECT == nextToken) {
            jsonReader.endObject();
            state = state.endObject(deserializer);
        } else if (JsonToken.BEGIN_ARRAY == nextToken) {
            jsonReader.beginArray();
            state = state.startArray(deserializer);
        } else if (JsonToken.END_ARRAY == nextToken) {
            jsonReader.endArray();
            state = state.endArray(deserializer);
        } else if (JsonToken.BOOLEAN == nextToken) {
            if (jsonReader.nextBoolean()) {
                state = state.valueTrue(deserializer);
            } else {
                state = state.valueFalse(deserializer);
            }
        } else if (JsonToken.NAME == nextToken) {
            String name = jsonReader.nextName();
            state = state.fieldName(name, deserializer);
        } else if (JsonToken.NUMBER == nextToken) {
            String value = jsonReader.nextString();
            state = state.valueString(value, deserializer); // we do the parsing to avoid precision loss
        } else if (JsonToken.STRING == nextToken) {
            String value = jsonReader.nextString();
            Attribute attribute = deserializer.getCurrentAttribute();
            if (attribute instanceof TimestampAttribute) {
                Timestamp timestamp = GsonReladomoTypeAdapterSerialWriter.jsonToTimestamp(value);
                state = state.valueTimestamp(timestamp, deserializer);
            } else {
                state = state.valueString(value, deserializer);
            }
        } else if (JsonToken.NULL == nextToken) {
            jsonReader.nextNull();
            state = state.valueNull(deserializer);
        } else if (JsonToken.END_DOCUMENT == nextToken) {
            break;
        }
    }
    return deserializer.getDeserializedResult();
}

From source file:com.ibm.og.json.type.ContainerConfigTypeAdapterFactory.java

License:Open Source License

@Override
@SuppressWarnings("unchecked")
public <T> TypeAdapter<T> create(final Gson gson, final TypeToken<T> type) {
    final Class<T> rawType = (Class<T>) type.getRawType();
    if (!ContainerConfig.class.equals(rawType)) {
        return null;
    }//w w w  .j  a v a2s  .c  om

    final TypeAdapter<T> delegate = gson.getDelegateAdapter(this, type);

    return new TypeAdapter<T>() {
        @Override
        public void write(final JsonWriter out, final T value) throws IOException {
            delegate.write(out, value);
        }

        @Override
        public T read(final JsonReader in) throws IOException {
            if (JsonToken.STRING == in.peek()) {
                return (T) new ContainerConfig(in.nextString());
            }

            return delegate.read(in);
        }

    }.nullSafe();
}

From source file:com.ibm.watson.developer_cloud.speech_to_text.v1.util.SpeechTimestampTypeAdapter.java

License:Open Source License

@Override
public SpeechTimestamp read(JsonReader reader) throws IOException {
    if (reader.peek() == JsonToken.NULL) {
        reader.nextNull();/*from  www.j  ava2 s .c om*/
        return null;
    }

    final SpeechTimestamp speechTimestamp = new SpeechTimestamp();
    reader.beginArray();

    if (reader.peek() == JsonToken.STRING) {
        speechTimestamp.setWord(reader.nextString());
    }
    if (reader.peek() == JsonToken.NUMBER) {
        speechTimestamp.setStartTime(reader.nextDouble());
    }
    if (reader.peek() == JsonToken.NUMBER) {
        speechTimestamp.setEndTime(reader.nextDouble());
    }

    reader.endArray();
    return speechTimestamp;
}