Finished basic xml parser for Badges.txt

Begun implementation for all txt files.
Added .scala files to tracking git hook
Added missing main.scala file.

.gitignore

@@ -35,3 +35,5 @@ bin/
 
 external/
 CMakeFiles/
+
+mlib.scala

.gittrack

@@ -0,0 +1 @@
+*.scala

pom.xml

@@ -88,5 +88,10 @@
       <artifactId>spark-core_2.11</artifactId>
       <version>2.0.2</version>
     </dependency>
+    <dependency>
+        <groupId>org.apache.spark</groupId>
+        <artifactId>spark-sql_2.11</artifactId>
+        <version>2.0.2</version>
+    </dependency>
   </dependencies>
 </project>

src/main/scala/KMeans.scala

@@ -1,15 +1,18 @@
+package ClusterOSData
+
 import org.apache.spark.SparkContext 
 import org.apache.spark.SparkContext._ 
 import org.apache.spark._
 
 object KMeans {
-   /* This is my first java program.  
-   * This will print 'Hello World' as the output
+   /**
+    * Run KMeans clustering on an input RDD vector
    */
-    def main(args: Array[String]) {
-      val sc = new SparkContext(new SparkConf().setAppName("Spark KMeans Clustering"))
-      val inputfile = sc.textFile("../stackoverflow_dataset/badges.txt")
-      val counts = inputfile.flatMap(line => line.split(" ")).map(word => (word, 1)).reduceByKey(_+_);
-      counts.saveAsTextFile("output")
+  def run(
+    //data: RDD[Vector]
+  ) 
+  {
+    // val counts = inputfile.flatMap(line => line.split(" ")).map(word => (word, 1)).reduceByKey(_+_);
+    // counts.saveAsTextFile("output")
   }
 }

src/main/scala/Main.scala

@@ -0,0 +1,81 @@
+package ClusterOSData
+import org.apache.spark.SparkContext 
+import org.apache.spark.SparkContext._ 
+import org.apache.spark._
+import org.apache.spark.sql.SQLContext
+import org.apache.spark.sql.SQLContext._
+import org.apache.spark.rdd.RDD
+import org.apache.spark.sql._
+import org.apache.spark.sql.types._
+
+object Main {
+  val sc = new SparkContext(new SparkConf().setAppName("Spark KMeans Clustering"))
+  val sqlContext= new org.apache.spark.sql.SQLContext(sc)
+  import sqlContext.implicits._
+
+  def main(args: Array[String]) {
+    KMeans.run()
+    DataParser.ParseData()
+  }
+
+  object DataParser {
+
+    // case class BadgeRow(i: String, j: String, k: String, m: String)
+    // case class VotesRow(i: String, j: String, k: String, m: String, m: String)
+    // case class CommentsRow(i: String, j: String, k: String, m: String)
+    //case class BadgeRow(i: String, j: String, k: String, m: String)
+    //case class BadgeRow(i: String, j: String, k: String, m: String)
+
+    def ParseData() {
+      // The schema is encoded in a string
+      var schemaString = "Id UserId Name Date"
+
+      // Generate the schema based on the string of schema
+      var fields = schemaString.split(" ")
+        .map(fieldName => StructField(fieldName, StringType, nullable = true))
+      var schema = StructType(fields)
+      var rdd = ParseInput("../stackoverflow_dataset/badges.txt", schemaString)
+      val badgeData = sqlContext.createDataFrame(rdd, schema)
+      badgeData.show()
+      
+      // The schema is encoded in a string
+      schemaString = "Id PostId VoteTypeId UserId CreationDate"
+
+      // Generate the schema based on the string of schema
+      fields = schemaString.split(" ")
+        .map(fieldName => StructField(fieldName, StringType, nullable = true))
+      schema = StructType(fields)
+      rdd = ParseInput("../stackoverflow_dataset/votes.txt", schemaString)
+      val voteData = sqlContext.createDataFrame(rdd, schema)
+      voteData.show()
+      // ParseInput("../stackoverflow_dataset/comments.txt")
+      // ParseInput("../stackoverflow_dataset/postHistory.txt")
+      // ParseInput("../stackoverflow_dataset/postLinks.txt")
+    }
+
+    private def ParseInput(inputFilepath: String, schemaString: String) : RDD[Row] = {
+      val inputFile = Main.sc.textFile(inputFilepath)
+
+      val Data = inputFile.map(line => ParsingFunc(line, schemaString))
+      return Data
+    }
+
+    private def ParsingFunc(line: String, schemaString: String) : Row = {
+      val xmlLine = scala.xml.XML.loadString(line)
+      var lineData = schemaString.split(" ").map(fieldName => getXMLAttribute(xmlLine, fieldName))
+
+      println(lineData)
+      return Row.fromSeq(lineData)
+    }
+
+    private def getXMLAttribute(xmlLine: scala.xml.Elem, attribute: String) : String = {
+      try { 
+        return xmlLine.attributes(attribute).text
+      } catch {
+        case npe: NullPointerException => return ""
+      }
+    }
+  }
+}
+
+