Example usage for com.google.gson JsonObject getAsJsonObject

List of usage examples for com.google.gson JsonObject getAsJsonObject

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Introduction

In this page you can find the example usage for com.google.gson JsonObject getAsJsonObject.

Prototype

public JsonObject getAsJsonObject()

Source Link

Document

convenience method to get this element as a JsonObject .

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();

    /*//from   www. j a  va2s  .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.github.api.v2.services.impl.FeedServiceImpl.java

License:Apache License

protected Feed unmarshall(String apiUrl) {
    JsonObject response = unmarshall(callApiGet(apiUrl));
    if (response.isJsonObject()) {
        JsonObject json = response.getAsJsonObject();
        int status = json.get("responseStatus").getAsInt();
        if (status != 200) {
            throw new GitHubException(json.get("responseDetails").getAsString());
        }// ww  w .  ja v  a  2  s .  co m
        JsonElement data = json.get("responseData");
        if (data != null) {
            return unmarshall(new TypeToken<Feed>() {
            }, data.getAsJsonObject().get("feed"));
        }
    }
    return null;
}

From source file:com.github.benchdoos.weblocopener.updater.update.Updater.java

License:Apache License

public void formAppVersionFromJson(JsonObject root) {
    log.debug("Parsing json to app version");
    final String version = "tag_name";
    final String browser_download_url = "browser_download_url";
    final String assets = "assets";
    final String name = "name";
    final String size = "size";
    final String info = "body";

    appVersion.setVersion(root.getAsJsonObject().get(version).getAsString());
    appVersion.setUpdateInfo(root.getAsJsonObject().get(info).getAsString());
    appVersion.setUpdateTitle(root.getAsJsonObject().get(name).getAsString());

    JsonArray asserts = root.getAsJsonArray(assets);
    for (JsonElement assert_ : asserts) {
        JsonObject userObject = assert_.getAsJsonObject();
        if (userObject.get(name).getAsString().equals(WINDOWS_SETUP_DEFAULT_NAME)) {
            appVersion.setDownloadUrl(userObject.get(browser_download_url).getAsString());
            appVersion.setSize(userObject.get(size).getAsLong());
        }/*  w ww .ja  v  a  2 s .c o  m*/
    }
}

From source file:com.gst.infrastructure.core.serialization.JsonParserHelper.java

License:Apache License

public BigDecimal extractBigDecimalNamed(final String parameterName, final JsonObject element,
        final Locale locale, final Set<String> modifiedParameters) {
    BigDecimal value = null;//from ww w  . j a  va2  s  . c  om
    if (element.isJsonObject()) {
        final JsonObject object = element.getAsJsonObject();
        if (object.has(parameterName) && object.get(parameterName).isJsonPrimitive()) {
            modifiedParameters.add(parameterName);
            final JsonPrimitive primitive = object.get(parameterName).getAsJsonPrimitive();
            final String valueAsString = primitive.getAsString();
            if (StringUtils.isNotBlank(valueAsString)) {
                value = convertFrom(valueAsString, parameterName, locale);
            }
        }
    }
    return value;
}

From source file:com.gst.infrastructure.core.serialization.JsonParserHelper.java

License:Apache License

public String extractDateFormatParameter(final JsonObject element) {
    String value = null;// www .ja  va 2 s. c om
    if (element.isJsonObject()) {
        final JsonObject object = element.getAsJsonObject();

        final String dateFormatParameter = "dateFormat";
        if (object.has(dateFormatParameter) && object.get(dateFormatParameter).isJsonPrimitive()) {
            final JsonPrimitive primitive = object.get(dateFormatParameter).getAsJsonPrimitive();
            value = primitive.getAsString();
        }
    }
    return value;
}

From source file:com.gst.infrastructure.core.serialization.JsonParserHelper.java

License:Apache License

public String extractTimeFormatParameter(final JsonObject element) {
    String value = null;//from  w ww.  j  a  va 2s . c om
    if (element.isJsonObject()) {
        final JsonObject object = element.getAsJsonObject();

        final String timeFormatParameter = "timeFormat";
        if (object.has(timeFormatParameter) && object.get(timeFormatParameter).isJsonPrimitive()) {
            final JsonPrimitive primitive = object.get(timeFormatParameter).getAsJsonPrimitive();
            value = primitive.getAsString();
        }
    }
    return value;
}

From source file:com.gst.infrastructure.core.serialization.JsonParserHelper.java

License:Apache License

public String extractMonthDayFormatParameter(final JsonObject element) {
    String value = null;/* w ww  .  jav a2  s  . co m*/
    if (element.isJsonObject()) {
        final JsonObject object = element.getAsJsonObject();

        final String monthDayFormatParameter = "monthDayFormat";
        if (object.has(monthDayFormatParameter) && object.get(monthDayFormatParameter).isJsonPrimitive()) {
            final JsonPrimitive primitive = object.get(monthDayFormatParameter).getAsJsonPrimitive();
            value = primitive.getAsString();
        }
    }
    return value;
}

From source file:com.gst.infrastructure.core.serialization.JsonParserHelper.java

License:Apache License

public Locale extractLocaleParameter(final JsonObject element) {
    Locale clientApplicationLocale = null;
    if (element.isJsonObject()) {
        final JsonObject object = element.getAsJsonObject();

        String locale = null;/*from  w  w  w.  j a  v  a 2  s  .  c  om*/
        final String localeParameter = "locale";
        if (object.has(localeParameter) && object.get(localeParameter).isJsonPrimitive()) {
            final JsonPrimitive primitive = object.get(localeParameter).getAsJsonPrimitive();
            locale = primitive.getAsString();
            clientApplicationLocale = localeFromString(locale);
        }
    }
    return clientApplicationLocale;
}

From source file:com.gst.infrastructure.core.serialization.JsonParserHelper.java

License:Apache License

public MonthDay extractMonthDayNamed(final String parameterName, final JsonObject element,
        final String dateFormat, final Locale clientApplicationLocale) {
    MonthDay value = null;/*  w ww. java2  s. c o  m*/
    if (element.isJsonObject()) {
        final JsonObject object = element.getAsJsonObject();

        if (object.has(parameterName) && object.get(parameterName).isJsonPrimitive()) {

            final JsonPrimitive primitive = object.get(parameterName).getAsJsonPrimitive();
            final String valueAsString = primitive.getAsString();
            if (StringUtils.isNotBlank(valueAsString)) {
                try {
                    final DateTimeFormatter formatter = DateTimeFormat.forPattern(dateFormat)
                            .withLocale(clientApplicationLocale);
                    value = MonthDay.parse(valueAsString.toLowerCase(clientApplicationLocale), formatter);
                } catch (final IllegalArgumentException e) {
                    final List<ApiParameterError> dataValidationErrors = new ArrayList<>();
                    final ApiParameterError error = ApiParameterError.parameterError(
                            "validation.msg.invalid.month.day",
                            "The parameter " + parameterName + " is invalid based on the monthDayFormat: '"
                                    + dateFormat + "' and locale: '" + clientApplicationLocale + "' provided:",
                            parameterName, valueAsString, dateFormat);
                    dataValidationErrors.add(error);

                    throw new PlatformApiDataValidationException("validation.msg.validation.errors.exist",
                            "Validation errors exist.", dataValidationErrors);
                }
            }
        }

    }
    return value;
}

From source file:com.gst.infrastructure.core.serialization.JsonParserHelper.java

License:Apache License

public LocalDateTime extractLocalTimeNamed(final String parameterName, final JsonObject element,
        final String timeFormat, final Locale clientApplicationLocale,
        final Set<String> parametersPassedInCommand) {
    LocalDateTime value = null;/*  w w w.  j  a  v  a2 s.  c o m*/
    String timeValueAsString = null;
    if (element.isJsonObject()) {
        final JsonObject object = element.getAsJsonObject();
        if (object.has(parameterName) && object.get(parameterName).isJsonPrimitive()) {
            parametersPassedInCommand.add(parameterName);

            try {
                DateTimeFormatter timeFormtter = DateTimeFormat.forPattern(timeFormat);
                final JsonPrimitive primitive = object.get(parameterName).getAsJsonPrimitive();
                timeValueAsString = primitive.getAsString();
                if (StringUtils.isNotBlank(timeValueAsString)) {
                    value = LocalDateTime.parse(timeValueAsString, timeFormtter);
                }
            } catch (IllegalArgumentException e) {
                final List<ApiParameterError> dataValidationErrors = new ArrayList<>();
                final String defaultMessage = new StringBuilder(
                        "The parameter '" + timeValueAsString + "' is not in correct format.").toString();
                final ApiParameterError error = ApiParameterError
                        .parameterError("validation.msg.invalid.TimeFormat", defaultMessage, parameterName);
                dataValidationErrors.add(error);
                throw new PlatformApiDataValidationException("validation.msg.validation.errors.exist",
                        "Validation errors exist.", dataValidationErrors);
            }

        }
    }
    return value;
}