INIT COMMIT: added JSON parsing

Author: zhanggl

build.sbt

@@ -0,0 +1,15 @@
+name := "bne-util"
+
+organization := "com.bne"
+
+version := "1.0.0"
+
+scalaVersion := "2.10.3"
+
+libraryDependencies ++= Seq(
+	"net.minidev" % "json-smart" % "1.1.1"
+)
+
+resolvers +=
+  "Twitter" at "http://maven.twttr.com"
+

project/build.properties

@@ -0,0 +1 @@
+sbt.version=0.13.0

src/main/scala/com/bne/util/ScalaJSON.scala

@@ -0,0 +1,74 @@
+package com.bne.util
+package json
+
+import net.minidev.json.JSONValue
+import net.minidev.json.JSONArray
+import net.minidev.json.JSONObject
+
+import scala.collection.JavaConversions._
+import scala.language.dynamics
+
+object JSON {
+  implicit def parseJSON(s: String) = new ScalaJSON(JSONValue.parse(s))
+  def makeJSON(a: Any): String = a match {
+    case m: Map[String, Any] => m.map {
+      case (name, content) => "\"" + name + "\":" + makeJSON(content)
+    }.mkString("{", ",", "}")
+    case l: List[Any] => l.map(makeJSON).mkString("[", ",", "]")
+    case l: java.util.List[Any] => l.map(makeJSON).mkString("[", ",", "]")
+    case s: String => "\"" + s + "\""
+    case i: Int => i.toString
+  }
+
+  implicit def ScalaJSONToString(s: ScalaJSON) = s.toString
+  implicit def ScalaJSONToInt(s: ScalaJSON) = s.toInt
+  implicit def ScalaJSONToDouble(s: ScalaJSON) = s.toDouble
+}
+
+case class JSONException extends Exception
+
+class ScalaJSONIterator(i: java.util.Iterator[java.lang.Object]) extends Iterator[ScalaJSON] {
+  def hasNext = i.hasNext()
+  def next() = new ScalaJSON(i.next())
+}
+
+class ScalaJSON(o: java.lang.Object) extends Seq[ScalaJSON] with Dynamic {
+  override def toString: String = o.toString
+  def toInt: Int = o match {
+    case i: Integer => i
+    case _ => throw new JSONException
+  }
+  def toDouble: Double = o match {
+    case d: java.lang.Double => d
+    case f: java.lang.Float => f.toDouble
+    case _ => throw new JSONException
+  }
+  def apply(key: String): ScalaJSON = o match {
+    case m: JSONObject => new ScalaJSON(m.get(key))
+    case _ => throw new JSONException
+  }
+
+  def apply(idx: Int): ScalaJSON = o match {
+    case a: JSONArray => new ScalaJSON(a.get(idx))
+    case _ => throw new JSONException
+  }
+  def length: Int = o match {
+    case a: JSONArray => a.size()
+    case m: JSONObject => m.size()
+    case _ => throw new JSONException
+  }
+  def iterator: Iterator[ScalaJSON] = o match {
+    case a: JSONArray => new ScalaJSONIterator(a.iterator())
+    case _ => throw new JSONException
+  }
+  def isNull = o == null
+
+  def selectDynamic(name: String): ScalaJSON = apply(name)
+  def applyDynamic(name: String)(arg: Any) = {
+    arg match {
+      case s: String => apply(name)(s)
+      case n: Int => apply(name)(n)
+      case u: Unit => apply(name)
+    }
+  }
+}