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CORDA-1355: Introduce a dedicated property which controls what is going to be in scope for classpath scanning (#2977)

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* CORDA-1355: Introduce a dedicated property which controls what is going to be in scope for classpath scanning

* CORDA-1355: Update change log

* CORDA-1355: Minor change to improve readability.

* CORDA-1355: Custom serializers documentation update to mention new system property.
This commit is contained in:
Viktor Kolomeyko
2018-04-23 13:55:40 +01:00
committed by GitHub
parent bf4d8ba08c
commit 3aaa176dd4
5 changed files with 57 additions and 12 deletions
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20
node-api/src/main/kotlin/net/corda/nodeapi/internal/serialization/amqp/AMQPSerializationScheme.kt
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@ -41,16 +41,26 @@ abstract class AbstractAMQPSerializationScheme(
// TODO: This method of initialisation for the Whitelist and plugin serializers will have to change
// when we have per-cordapp contexts and dynamic app reloading but for now it's the easiest way
companion object {
const val SCAN_SPEC_PROP_NAME = "amqp.custom.serialization.scanSpec"
private val serializationWhitelists: List<SerializationWhitelist> by lazy {
ServiceLoader.load(SerializationWhitelist::class.java, this::class.java.classLoader).toList() + DefaultWhitelist
}
private val customSerializers: List<SerializationCustomSerializer<*, *>> by lazy {
FastClasspathScanner().addClassLoader(this::class.java.classLoader).scan()
.getNamesOfClassesImplementing(SerializationCustomSerializer::class.java)
.mapNotNull { this::class.java.classLoader.loadClass(it).asSubclass(SerializationCustomSerializer::class.java) }
.filterNot { Modifier.isAbstract(it.modifiers) }
.map { it.kotlin.objectOrNewInstance() }
val scanSpec: String? = System.getProperty(SCAN_SPEC_PROP_NAME)
if(scanSpec == null) {
emptyList()
} else {
FastClasspathScanner(scanSpec).addClassLoader(this::class.java.classLoader).scan()
.getNamesOfClassesImplementing(SerializationCustomSerializer::class.java)
.mapNotNull { this::class.java.classLoader.loadClass(it).asSubclass(SerializationCustomSerializer::class.java) }
.filterNot { Modifier.isAbstract(it.modifiers) }
.map { it.kotlin.objectOrNewInstance() }
}
}
}