Changeset 4 for trunk/CrossPare/src/de/ugoe/cs/cpdp/loader/CSVDataLoader.java

Timestamp:

08/05/14 10:00:41 (10 years ago)

Author:

sherbold

Message:

• added load for standard ARFF files
• moved interface SingleVersionLoader? from AbstractFolderLoader? to separate file
• added Javadoc comments

File:

• trunk/CrossPare/src/de/ugoe/cs/cpdp/loader/CSVDataLoader.java (modified) (3 diffs)

trunk/CrossPare/src/de/ugoe/cs/cpdp/loader/CSVDataLoader.java

@@ -8 +8 @@
 import weka.core.DenseInstance;
 import weka.core.Instances;
-import de.ugoe.cs.cpdp.loader.AbstractFolderLoader.SingleVersionLoader;
 import de.ugoe.cs.util.FileTools;
 
 /**
- * Loads the instances for a software version from a CSV file of the // TODO dataset citation
- * data set. 
+ * Loads the instances for a software version from a CSV file of the PROMISE
+ * data set mined by Jurezko and Madeyski.
+ * 
  * @author Steffen Herbold
  */
 class CSVDataLoader implements SingleVersionLoader {
-        
-        /**
-         * Loads the instances.
-         * @param file handle to the file of the instances
-         * @return the instances
+
+        /*
+         * (non-Javadoc)
+         * 
+         * @see
+         * de.ugoe.cs.cpdp.loader.AbstractFolderLoader.SingleVersionLoader#load(
+         * java.io.File)
          */
         @Override
@@ -31 +33 @@
                         throw new RuntimeException(e);
                 }
-                
+
                 // configure Instances
                 final ArrayList<Attribute> atts = new ArrayList<Attribute>();
-                
-                String[] lineSplit = lines[0].split(",");               
-                for( int j=0 ; j<lineSplit.length-4 ; j++ ) {
-                        atts.add(new Attribute(lineSplit[j+3]));
+
+                String[] lineSplit = lines[0].split(",");
+                for (int j = 0; j < lineSplit.length - 4; j++) {
+                        atts.add(new Attribute(lineSplit[j + 3]));
                 }
                 final ArrayList<String> classAttVals = new ArrayList<String>();
@@ -44 +46 @@
                 final Attribute classAtt = new Attribute("bug", classAttVals);
                 atts.add(classAtt);
-                
+
                 final Instances data = new Instances(file.getName(), atts, 0);
                 data.setClass(classAtt);
-                
+
                 // fetch data
-                for( int i=1 ; i<lines.length ; i++ ) {
+                for (int i = 1; i < lines.length; i++) {
                         lineSplit = lines[i].split(",");
-                        double[] values = new double[lineSplit.length-3];
-                        for( int j=0 ; j<values.length-1 ; j++ ) {
-                                values[j] = Double.parseDouble(lineSplit[j+3].trim());
+                        double[] values = new double[lineSplit.length - 3];
+                        for (int j = 0; j < values.length - 1; j++) {
+                                values[j] = Double.parseDouble(lineSplit[j + 3].trim());
                         }
-                        values[values.length-1] = lineSplit[lineSplit.length-1].trim().equals("0") ? 0 : 1;
+                        values[values.length - 1] = lineSplit[lineSplit.length - 1].trim()
+                                        .equals("0") ? 0 : 1;
                         data.add(new DenseInstance(1.0, values));
                 }
-                
+
                 return data;
         }
-        
+
+        /*
+         * (non-Javadoc)
+         * 
+         * @see de.ugoe.cs.cpdp.loader.AbstractFolderLoader.SingleVersionLoader#
+         * filenameFilter(java.lang.String)
+         */
         @Override
         public boolean filenameFilter(String filename) {