Serializable to string and back

SerializationUtil.kt

import java.io.*

/**
 * Returns an empty string if something goes wrong internally
 */
fun serializableToString(item : Serializable) : String {
	var result = ""

	try {
		val stream = ByteArrayOutputStream()
		val objectStream = ObjectOutputStream(stream)
		objectStream.writeObject(item)
		objectStream.close()
		result = stream.toString()
		stream.close()
	} catch (t : Throwable) {
		// nothing to do
	}

	return result
}

/**
 * Returns null if something goes wrong internally
 */
fun stringToSerializable(stringValue: String): Serializable? {
	var serializable: Serializable? = null
	try {
	    val stream = ByteArrayInputStream(stringValue.toByteArray())
		val objectStream = ObjectInputStream(stream)
		serializable = objectStream.readObject() as Serializable
		objectStream.close()
		stream.close()
	} catch (t : Throwable) {
		// nothing to do
	}
	return serializable
}