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Dev: add decoding of types Date and URL

This commit is contained in:
Andrew Druk 2017-11-06 15:36:29 +02:00
parent 1fb015ab58
commit 007ad6b8fb
1 changed files with 19 additions and 1 deletions
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20
Sources/JavaDecoder.swift
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@ -197,10 +197,28 @@ fileprivate class JavaObjectContainer<K : CodingKey> : KeyedDecodingContainerPro
public func decodeIfPresent<T>(_ type: T.Type, forKey key: K) throws -> T? where T : Decodable {
return try decodeWithMissingStrategy(defaultValue: nil) {
if type == Date.self {
// Java save TimeInterval in long (milliseconds)
let sig = "J"
let fieldID = try getJavaField(forClass: javaClass, field: key.stringValue, sig: sig)
let timeInterval = JNI.api.GetLongField(JNI.env, javaObject, fieldID)
return Date(timeIntervalSince1970: TimeInterval(timeInterval) / 1000) as? T
}
if type == URL.self {
let sig = "Landroid/net/Uri;"
let fieldID = try getJavaField(forClass: javaClass, field: key.stringValue, sig: sig)
guard let object = JNI.api.GetObjectField(JNI.env, javaObject, fieldID) else {
return nil
}
let methodID = try getJavaMethod(forClass: javaClass, method: "toString", sig: "()Ljava/lang/String;")
let pathString = JNI.api.CallObjectMethodA(JNI.env, object, methodID, nil)
return URL(string: String(javaObject: pathString)) as? T
}
let sig = self.decoder.getSig(forType: type)
let fieldID = try getJavaField(forClass: javaClass, field: key.stringValue, sig: sig)
guard let object = JNI.api.GetObjectField(JNI.env, javaObject, fieldID) else {
throw JavaCodingError.cantFindObject("\(javaClass).\(key.stringValue)")
return nil
}
self.decoder.pushObject(object, forType: type)
return try T(from: self.decoder)