protected static void appendPropertyValue(
final JsonStreamWriter jsonStreamWriter,
final EntityPropertyInfo propertyInfo,
final Object value)
throws IOException, EdmException, EntityProviderException {
if (propertyInfo.isComplex()) {
if (value == null || value instanceof Map<?, ?>) {
jsonStreamWriter.beginObject();
appendPropertyMetadata(jsonStreamWriter, propertyInfo.getType());
for (final EntityPropertyInfo childPropertyInfo :
((EntityComplexPropertyInfo) propertyInfo).getPropertyInfos()) {
jsonStreamWriter.separator();
final String name = childPropertyInfo.getName();
jsonStreamWriter.name(name);
appendPropertyValue(
jsonStreamWriter,
childPropertyInfo,
value == null ? null : ((Map<?, ?>) value).get(name));
}
jsonStreamWriter.endObject();
} else {
throw new EntityProviderException(
EntityProviderException.ILLEGAL_ARGUMENT.addContent(
"A complex property must have a Map as data"));
}
} else {
final EdmSimpleType type = (EdmSimpleType) propertyInfo.getType();
final Object contentValue =
value instanceof Map ? ((Map<?, ?>) value).get(propertyInfo.getName()) : value;
final String valueAsString =
type.valueToString(contentValue, EdmLiteralKind.JSON, propertyInfo.getFacets());
switch (EdmSimpleTypeKind.valueOf(type.getName())) {
case String:
jsonStreamWriter.stringValue(valueAsString);
break;
case Boolean:
case Byte:
case SByte:
case Int16:
case Int32:
jsonStreamWriter.unquotedValue(valueAsString);
break;
case DateTime:
case DateTimeOffset:
// Although JSON escaping is (and should be) done in the JSON
// serializer, we backslash-escape the forward slash here explicitly
// because it is not required to escape it in JSON but in OData.
jsonStreamWriter.stringValueRaw(
valueAsString == null ? null : valueAsString.replace("/", "\\/"));
break;
default:
jsonStreamWriter.stringValueRaw(valueAsString);
break;
}
}
}
public void append(final Writer writer, final EntityPropertyInfo propertyInfo, final Object value)
throws EntityProviderException {
JsonStreamWriter jsonStreamWriter = new JsonStreamWriter(writer);
try {
jsonStreamWriter.beginObject().name(FormatJson.D).beginObject();
jsonStreamWriter.name(propertyInfo.getName());
appendPropertyValue(
jsonStreamWriter,
propertyInfo.isComplex() ? (EntityComplexPropertyInfo) propertyInfo : propertyInfo,
value);
jsonStreamWriter.endObject().endObject();
} catch (final IOException e) {
throw new EntityProviderException(
EntityProviderException.EXCEPTION_OCCURRED.addContent(e.getClass().getSimpleName()), e);
} catch (final EdmException e) {
throw new EntityProviderException(
EntityProviderException.EXCEPTION_OCCURRED.addContent(e.getClass().getSimpleName()), e);
}
}