in framework/src/org/apache/cordova/NativeToJsMessageQueue.java [443:480]
static void encodeAsMessageHelper(StringBuilder sb, PluginResult pluginResult) {
switch (pluginResult.getMessageType()) {
case PluginResult.MESSAGE_TYPE_BOOLEAN:
sb.append(pluginResult.getMessage().charAt(0)); // t or f.
break;
case PluginResult.MESSAGE_TYPE_NULL: // N
sb.append('N');
break;
case PluginResult.MESSAGE_TYPE_NUMBER: // n
sb.append('n')
.append(pluginResult.getMessage());
break;
case PluginResult.MESSAGE_TYPE_STRING: // s
sb.append('s');
sb.append(pluginResult.getStrMessage());
break;
case PluginResult.MESSAGE_TYPE_BINARYSTRING: // S
sb.append('S');
sb.append(pluginResult.getMessage());
break;
case PluginResult.MESSAGE_TYPE_ARRAYBUFFER: // A
sb.append('A');
sb.append(pluginResult.getMessage());
break;
case PluginResult.MESSAGE_TYPE_MULTIPART:
sb.append('M');
for (int i = 0; i < pluginResult.getMultipartMessagesSize(); i++) {
PluginResult multipartMessage = pluginResult.getMultipartMessage(i);
sb.append(String.valueOf(calculateEncodedLengthHelper(multipartMessage)));
sb.append(' ');
encodeAsMessageHelper(sb, multipartMessage);
}
break;
case PluginResult.MESSAGE_TYPE_JSON:
default:
sb.append(pluginResult.getMessage()); // [ or {
}
}