From dd62833aca49ee5aa6a1dbb6b6d274d44c7b52dc Mon Sep 17 00:00:00 2001 From: Matthew Livesey Date: Sun, 13 Sep 2015 17:04:27 +0100 Subject: Added method for sorted print This method prints in the same format as PrettyPrinter but sorts the keys of each object lexicographically. The impetus for this change was this question: http://stackoverflow.com/questions/31418626/sort-fields-in-rendered-json In general it is useful to be able to have more deterministic control over the ordering of output, if diff tools are to be used. --- src/main/scala/spray/json/PrettyPrinter.scala | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'src/main/scala/spray/json/PrettyPrinter.scala') diff --git a/src/main/scala/spray/json/PrettyPrinter.scala b/src/main/scala/spray/json/PrettyPrinter.scala index 57cf35e..6af5443 100644 --- a/src/main/scala/spray/json/PrettyPrinter.scala +++ b/src/main/scala/spray/json/PrettyPrinter.scala @@ -37,9 +37,11 @@ trait PrettyPrinter extends JsonPrinter { } } + protected def organiseMembers(members: Map[String, JsValue]): Seq[(String, JsValue)] = members.toSeq + protected def printObject(members: Map[String, JsValue], sb: StringBuilder, indent: Int) { sb.append("{\n") - printSeq(members, sb.append(",\n")) { m => + printSeq(organiseMembers(members), sb.append(",\n")) { m => printIndent(sb, indent + Indent) printString(m._1, sb) sb.append(": ") -- cgit v1.2.3