Examples with Command org.activityinfo.legacy.shared.command.Command used on opensource projects

Example 6 with Command

use of org.activityinfo.legacy.shared.command.Command in project activityinfo by bedatadriven.

the class CommandDeserializer method deserialize.

@Override
public Command deserialize(JsonParser jp, DeserializationContext ctxt) throws IOException, JsonProcessingException {
    ObjectMapper mapper = (ObjectMapper) jp.getCodec();
    ObjectNode root = (ObjectNode) mapper.readTree(jp);
    String typeName = root.path("type").asText();
    if (Strings.isNullOrEmpty(typeName)) {
        throw new BadRpcRequest("Expected 'type' property on root object. You must specify a command type.");
    }
    Class commandClass;
    try {
        commandClass = lookupCommandClass(typeName);
    } catch (Exception e) {
        LOGGER.log(Level.SEVERE, "Failed to find command class for " + typeName, e);
        throw new BadRpcRequest("Invalid command type '%s'", typeName);
    }
    JsonNode command = root.path("command");
    if (!command.isObject()) {
        throw new BadRpcRequest("Expected 'command' root object property.");
    }
    try {
        return (Command) mapper.readValue(command, commandClass);
    } catch (UnrecognizedPropertyException e) {
        throw new BadRpcRequest("Unexpected property '%s'", formatPath(e.getPath()));
    }
}