INNER CODE UNIT · Kotlin

writeXml

streetcomplete/StreetComplete · buildSrc/src/main/java/DownloadAndConvertPresetIconsTask.kt:172

    private fun writeXml(xml: Document, targetFile: File) {
        FileOutputStream(targetFile).use { output ->
            val transformer = TransformerFactory.newInstance().newTransformer()
            transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes")
            transformer.setOutputProperty(OutputKeys.INDENT, "yes")
            val source = DOMSource(xml)
            val result = StreamResult(output)
            transformer.transform(source, result)
        }
    }

    private fun getIconNames(version: String): Set<String> {
        val presetsUrl = URI("https://raw.githubusercontent.com/openstreetmap/id-tagging-schema/$version/dist/presets.json").toURL()
        val presetsJson = Parser.default().parse(presetsUrl.openStream()) as JsonObject
        val icons = HashSet<String>()
        for (value in presetsJson.values) {
            val preset = value as? JsonObject ?: continue
            val icon = preset["icon"] as? String ?: continue

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