Example usage for com.google.gson JsonElement isJsonPrimitive

Introduction

In this page you can find the example usage for com.google.gson JsonElement isJsonPrimitive.

Prototype

public boolean isJsonPrimitive() 

Source Link

Document

provides check for verifying if this element is a primitive or not.

Usage

From source file:nl.talsmasoftware.enumerables.support.json.gson.EnumerableDeserializer.java

License:Apache License

private String valueOf(JsonObject jsonObject) {
    final JsonElement value = jsonObject.get("value");
    if (value == null)
        throw new IllegalStateException("Attribute \"value\" is required to parse an Enumerable JSON object.");
    else if (!value.isJsonPrimitive())
        throw new IllegalStateException(
                "Attribute \"value\" must contain a String value for Enumerable JSON objects.");
    return value.getAsString();
}

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From source file:org.apache.abdera2.activities.io.gson.BaseAdapter.java

License:Apache License

public ASBase deserialize(JsonElement el, Type type, JsonDeserializationContext context)
        throws JsonParseException {
    JsonObject obj = (JsonObject) el;//  www . ja  v a2 s . com
    ASBase.Builder<?, ?> builder;
    if (type == Collection.class)
        builder = Collection.makeCollection();
    else if (type == Activity.class)
        builder = Activity.makeActivity();
    else if (type == MediaLink.class)
        builder = MediaLink.makeMediaLink();
    else if (type == PlaceObject.class)
        builder = PlaceObject.makePlace();
    else if (type == Mood.class)
        builder = Mood.makeMood();
    else if (type == Address.class)
        builder = Address.makeAddress();
    else {
        JsonPrimitive ot = obj.getAsJsonPrimitive("objectType");
        if (ot != null) {
            String ots = ot.getAsString();
            Class<? extends ASObject.Builder> _class = objsmap.get(ots);
            if (_class != null) {
                builder = Discover.locate(_class, _class.getName());
                try {
                    builder = _class.getConstructor(String.class).newInstance(ots);
                } catch (Throwable t) {
                }

            } else
                builder = ASObject.makeObject(ots);
        } else {
            if (obj.has("verb") && (obj.has("actor") || obj.has("object") || obj.has("target"))) {
                builder = Activity.makeActivity();
            } else if (obj.has("items")) {
                builder = Collection.makeCollection();
            } else {
                builder = ASObject.makeObject(); // anonymous
            }
        }
    }
    for (Entry<String, JsonElement> entry : obj.entrySet()) {
        String name = entry.getKey();
        if (name.equalsIgnoreCase("objectType"))
            continue;
        Class<?> _class = map.get(name);
        JsonElement val = entry.getValue();
        if (val.isJsonPrimitive()) {
            if (_class != null) {
                builder.set(name, context.deserialize(val, _class));
            } else {
                JsonPrimitive prim = val.getAsJsonPrimitive();
                if (prim.isBoolean())
                    builder.set(name, prim.getAsBoolean());
                else if (prim.isNumber())
                    builder.set(name, prim.getAsNumber());
                else {
                    builder.set(name, prim.getAsString());
                }
            }
        } else if (val.isJsonArray()) {
            ImmutableList.Builder<Object> list = ImmutableList.builder();
            JsonArray arr = val.getAsJsonArray();
            processArray(arr, _class, context, list);
            builder.set(name, list.build());
        } else if (val.isJsonObject()) {
            if (map.containsKey(name)) {
                builder.set(name, context.deserialize(val, map.get(name)));
            } else
                builder.set(name, context.deserialize(val, ASObject.class));
        }
    }
    return builder.get();
}

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From source file:org.apache.abdera2.activities.io.gson.BaseAdapter.java

License:Apache License

private void processArray(JsonArray arr, Class<?> _class, JsonDeserializationContext context,
        ImmutableList.Builder<Object> list) {
    for (JsonElement mem : arr) {
        if (mem.isJsonPrimitive()) {
            if (_class != null) {
                list.add(context.deserialize(mem, _class));
            } else {
                JsonPrimitive prim2 = (JsonPrimitive) mem;
                if (prim2.isBoolean())
                    list.add(prim2.getAsBoolean());
                else if (prim2.isNumber())
                    list.add(prim2.getAsNumber());
                else
                    list.add(prim2.getAsString());
            }//from  w w  w.  j  a v  a2s .  com
        } else if (mem.isJsonObject()) {
            list.add(context.deserialize(mem, _class != null ? _class : ASObject.class));
        } else if (mem.isJsonArray()) {
            JsonArray array = mem.getAsJsonArray();
            ImmutableList.Builder<Object> objs = ImmutableList.builder();
            processArray(array, _class, context, objs);
            list.add(objs.build());
        }
    }
}

---

From source file:org.apache.abdera2.activities.io.gson.MultimapAdapter.java

License:Apache License

protected static ImmutableList<Object> arraydes(JsonArray array, JsonDeserializationContext context) {
    ImmutableList.Builder<Object> builder = ImmutableList.builder();
    for (JsonElement child : array)
        if (child.isJsonArray())
            builder.add(arraydes(child.getAsJsonArray(), context));
        else if (child.isJsonObject())
            builder.add(context.deserialize(child, ASBase.class));
        else if (child.isJsonPrimitive())
            builder.add(primdes(child.getAsJsonPrimitive()));
    return builder.build();
}

---

From source file:org.apache.abdera2.activities.io.gson.MultimapAdapter.java

License:Apache License

public Multimap deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
        throws JsonParseException {
    Multimap mm = create(typeOfT);//from   w  w  w  .j  av  a2  s.c o  m
    JsonObject obj = json.getAsJsonObject();
    for (Map.Entry<String, JsonElement> entry : obj.entrySet()) {
        String key = entry.getKey();
        JsonElement val = entry.getValue();
        if (val.isJsonArray())
            for (JsonElement el : val.getAsJsonArray())
                if (el.isJsonArray())
                    mm.put(key, arraydes(el.getAsJsonArray(), context));
                else if (el.isJsonObject())
                    mm.put(key, context.deserialize(el, ASBase.class));
                else if (el.isJsonNull())
                    mm.put(key, null);
                else if (el.isJsonPrimitive())
                    mm.put(key, primdes(el.getAsJsonPrimitive()));
                else if (val.isJsonObject())
                    mm.put(key, context.deserialize(val, ASBase.class));
                else if (val.isJsonPrimitive())
                    mm.put(key, primdes(val.getAsJsonPrimitive()));
    }
    return mm;
}

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From source file:org.apache.edgent.apps.runtime.JobMonitorAppEvent.java

License:Apache License

/**
 * Gets a string property with the specified name from the given JSON 
 * object.//  ww w  .j  a  v  a  2s  .c o  m
 * 
 * @param value a JSON object
 * @param name the property name
 * @return the property value
 * 
 * @throws IllegalArgumentException if could not find a property with the 
 *      given name
 */
static String getProperty(JsonObject value, String name) {
    JsonElement e = value.get(name);
    if (e != null && e.isJsonPrimitive()) {
        try {
            return e.getAsString();
        } catch (Exception ex) {
        }
    }
    throw new IllegalArgumentException("Could not find the " + name + " property in: " + value);
}

---

From source file:org.apache.gobblin.converter.json.JsonSchema.java

License:Apache License

/**
 * Build a {@link JsonSchema} using {@link JsonArray}
 * This will create a {@link SchemaType} of {@link SchemaType#CHILD}
 * @param jsonObject//from  ww  w  .ja v  a 2 s .  c  o  m
 */
public JsonSchema(JsonObject jsonObject) {
    JsonObject root = new JsonObject();
    if (!jsonObject.has(COLUMN_NAME_KEY) && !jsonObject.has(DATA_TYPE_KEY)) {
        root.addProperty(COLUMN_NAME_KEY, DEFAULT_RECORD_COLUMN_NAME);
        root.add(DATA_TYPE_KEY, jsonObject);
        jsonObject = root;
    }
    if (!jsonObject.has(COLUMN_NAME_KEY) && jsonObject.has(DATA_TYPE_KEY)) {
        jsonObject.addProperty(COLUMN_NAME_KEY, DEFAULT_RECORD_COLUMN_NAME);
    }
    setJsonSchemaProperties(jsonObject);
    JsonElement typeElement = getDataType().get(TYPE_KEY);
    if (typeElement.isJsonPrimitive()) {
        this.type = Type.valueOf(typeElement.getAsString().toUpperCase());
    } else if (typeElement.isJsonArray()) {
        JsonArray jsonArray = typeElement.getAsJsonArray();
        if (jsonArray.size() != 2) {
            throw new RuntimeException("Invalid " + TYPE_KEY + "property in schema for union types");
        }
        this.type = UNION;
        JsonElement type1 = jsonArray.get(0);
        JsonElement type2 = jsonArray.get(1);
        if (type1.isJsonPrimitive()) {
            this.firstType = buildBaseSchema(Type.valueOf(type1.getAsString().toUpperCase()));
        }
        if (type2.isJsonPrimitive()) {
            this.secondType = buildBaseSchema(Type.valueOf(type2.getAsString().toUpperCase()));
        }
        if (type1.isJsonObject()) {
            this.firstType = buildBaseSchema(type1.getAsJsonObject());
        }
        if (type2.isJsonObject()) {
            this.secondType = buildBaseSchema(type2.getAsJsonObject());
        }
    } else {
        throw new RuntimeException("Invalid " + TYPE_KEY + "property in schema");
    }
    this.json = jsonObject;
    JsonArray jsonArray = new JsonArray();
    jsonArray.add(jsonObject);
    this.jsonArray = jsonArray;
    this.schemaNestedLevel = CHILD;
}

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From source file:org.apache.gobblin.converter.json.JsonSchema.java

License:Apache License

/**
 * Fetches dataType.values from the JsonObject
 * @return//  w  w  w .jav  a2s .co m
 */
public JsonSchema getValuesWithinDataType() {
    JsonElement element = this.getDataType().get(MAP_ITEMS_KEY);
    if (element.isJsonObject()) {
        return new JsonSchema(element.getAsJsonObject());
    }
    if (element.isJsonArray()) {
        return new JsonSchema(element.getAsJsonArray());
    }
    if (element.isJsonPrimitive()) {
        return buildBaseSchema(Type.valueOf(element.getAsString().toUpperCase()));
    }
    throw new UnsupportedOperationException(
            "Map values can only be defined using JsonObject, JsonArray or JsonPrimitive.");
}

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From source file:org.apache.gobblin.converter.json.JsonSchema.java

License:Apache License

public JsonSchema getItemsWithinDataType() {
    JsonElement element = this.getDataType().get(ARRAY_ITEMS_KEY);
    if (element.isJsonObject()) {
        return new JsonSchema(element.getAsJsonObject());
    }//from   w w w .  j  a v a 2s .  c  om
    if (element.isJsonPrimitive()) {
        return buildBaseSchema(Type.valueOf(element.getAsString().toUpperCase()));
    }
    throw new UnsupportedOperationException(
            "Array items can only be defined using JsonObject or JsonPrimitive.");
}

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From source file:org.apache.hadoop.hive.json.JsonSchemaFinder.java

License:Apache License

private static HiveType pickType(JsonElement json) {
    if (json.isJsonPrimitive()) {
        JsonPrimitive prim = (JsonPrimitive) json;
        if (prim.isBoolean()) {
            return new BooleanType();
        } else if (prim.isNumber()) {
            BigDecimal dec = prim.getAsBigDecimal();
            if (dec.scale() > 0) {
                return new FloatingPointType(dec.doubleValue());
            } else {
                return new IntegerType(dec.longValue());
            }// w  w w . j  a v  a  2s  .c  o  m
        } else {
            String str = prim.getAsString();
            if (DATE_PATTERN.matcher(str).matches()) {
                return new TimestampType();
            } else if (HEX_PATTERN.matcher(str).matches()) {
                return new BinaryType();
            } else {
                return new StringType();
            }
        }
    } else if (json.isJsonNull()) {
        return new NullType();
    } else if (json.isJsonArray()) {
        ListType result = new ListType();
        for (JsonElement child : ((JsonArray) json)) {
            HiveType sub = pickType(child);
            if (result.elementType == null) {
                result.elementType = sub;
            } else {
                result.elementType = mergeType(result.elementType, sub);
            }
        }
        return result;
    } else {
        JsonObject obj = (JsonObject) json;
        StructType result = new StructType();
        for (Map.Entry<String, JsonElement> field : obj.entrySet()) {
            String fieldName = field.getKey();
            HiveType type = pickType(field.getValue());
            result.fields.put(fieldName, type);
        }
        StringBuilder builder = new StringBuilder();
        boolean first = true;
        for (String key : result.fields.keySet()) {
            if (first) {
                first = false;
            } else {
                builder.append(",");
            }
            builder.append(key);
        }
        result.values.add(builder.toString());
        return result;
    }
}

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