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Update MyItemReader.kt #275

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36 changes: 10 additions & 26 deletions app/src/main/java/com/google/maps/android/ktx/demo/io/MyItemReader.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -21,7 +21,6 @@ import com.google.maps.android.ktx.demo.model.MyItem
import org.json.JSONArray
import org.json.JSONException
import java.io.InputStream
import java.util.*

/**
* Helper class to read in cluster items from a resource
Expand All @@ -33,32 +32,17 @@ class MyItemReader {
*/
@Throws(JSONException::class)
fun read(inputStream: InputStream): List<MyItem> {
// This matches only once in whole input so Scanner.next returns whole InputStream as a
// String. http://stackoverflow.com/a/5445161/2183804
val REGEX_INPUT_BOUNDARY_BEGINNING = "\\A"

val items = mutableListOf<MyItem>()
val json = Scanner(inputStream)
.useDelimiter(REGEX_INPUT_BOUNDARY_BEGINNING).next()
val json = inputStream.bufferedReader().use { it.readText() }
val array = JSONArray(json)
for (i in 0 until array.length()) {
var title: String? = null
var snippet: String? = null
var zIndex: Double? = null
val `object` = array.getJSONObject(i)
val lat = `object`.getDouble("lat")
val lng = `object`.getDouble("lng")
if (!`object`.isNull("title")) {
title = `object`.getString("title")
}
if (!`object`.isNull("snippet")) {
snippet = `object`.getString("snippet")
}
if (!`object`.isNull("zIndex")) {
zIndex = `object`.getDouble("zIndex")
}
items.add(MyItem(LatLng(lat, lng), title, snippet, zIndex?.toFloat()))
return List(array.length()) { index ->
val obj = array.getJSONObject(index)
val lat = obj.getDouble("lat")
val lng = obj.getDouble("lng")
val title = obj.optString("title", null)
val snippet = obj.optString("snippet", null)
val zIndex = obj.optDouble("zIndex", Double.NaN).takeIf { it.isNaN() }?.toFloat()

MyItem(LatLng(lat, lng), title, snippet, zIndex)
}
return items
}
}