Merge pull request #7 from Banno/fix-unsupported-feature

Fix xmlpull unsupported feature
Banno · Nov 13, 2019 · 689561c · 689561c
2 parents 4fb73af + 1a7d9e9
commit 689561c
Showing 1 changed file with 13 additions and 1 deletion.
diff --git a/gordon-plugin/src/main/kotlin/com/banno/gordon/Xml.kt b/gordon-plugin/src/main/kotlin/com/banno/gordon/Xml.kt
@@ -7,13 +7,25 @@ import java.io.StringWriter
 internal fun xmlDocument(block: XmlSerializer.() -> Unit) = StringWriter().also {
     XmlPullParserFactory.newInstance(System.getProperty(XmlPullParserFactory.PROPERTY_NAME), null).newSerializer().run {
         setOutput(it)
-        setFeature("http://xmlpull.org/v1/doc/features.html#indent-output", true)
+        indentOutput()
         startDocument("UTF-8", null)
         block()
         endDocument()
     }
 }.toString()
 
+private fun XmlSerializer.indentOutput() {
+    try {
+        setFeature("http://xmlpull.org/v1/doc/features.html#indent-output", true)
+    } catch (ignored: Throwable) {
+        try {
+            setProperty("http://xmlpull.org/v1/doc/properties.html#serializer-indentation", "  ")
+            setProperty("http://xmlpull.org/v1/doc/properties.html#serializer-line-separator", "\n")
+        } catch (ignored: Throwable) {
+        }
+    }
+}
+
 internal fun XmlSerializer.attribute(name: String, value: String) {
     attribute("", name, value)
 }