1 files changed, 51 insertions, 0 deletions
diff --git a/src/main/scala/spray/json/CompactPrinter.scala b/src/main/scala/spray/json/CompactPrinter.scala
new file mode 100644
index 0000000..b7d2856
--- /dev/null
+++ b/src/main/scala/spray/json/CompactPrinter.scala
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2009-2011 Mathias Doenitz
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package spray.json
+
+import java.lang.StringBuilder
+
+/**
+  * A JsonPrinter that produces compact JSON source without any superfluous whitespace.
+ */
+trait CompactPrinter extends JsonPrinter {
+
+  def print(x: JsValue, sb: StringBuilder) {
+    x match {
+      case JsObject(x) => printObject(x, sb)
+      case JsArray(x)  => printArray(x, sb)
+      case _ => printLeaf(x, sb)
+    }
+  }
+
+  private def printObject(members: Map[String, JsValue], sb: StringBuilder) {
+    sb.append('{')
+    printSeq(members, sb.append(',')) { m =>
+      printString(m._1, sb)
+      sb.append(':')
+      print(m._2, sb)
+    }
+    sb.append('}')
+  }
+
+  private def printArray(elements: List[JsValue], sb: StringBuilder) {
+    sb.append('[')
+    printSeq(elements, sb.append(','))(print(_, sb))
+    sb.append(']')
+  }
+}
+
+object CompactPrinter extends CompactPrinter
+\ No newline at end of file