Change result from list to map

Author: sbabcoc

src/main/java/com/nordstrom/common/file/VolumeInfo.java

@@ -4,8 +4,8 @@
 import java.io.File;
 import java.io.IOException;
 import java.io.InputStreamReader;
-import java.util.ArrayList;
-import java.util.List;
+import java.util.HashMap;
+import java.util.Map;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
@@ -19,8 +19,8 @@ private VolumeInfo() {
         throw new AssertionError("VolumeInfo is a static utility class that cannot be instantiated");
     }
 
-    public static List<VolumeProps> getVolumeProps() throws IOException {
-        List<VolumeProps> propsList = new ArrayList<>();
+    public static Map<String, VolumeProps> getVolumeProps() throws IOException {
+        Map<String, VolumeProps> propsList = new HashMap<>();
         Pattern template = Pattern.compile("(.+) on (.+) type (.+) \\((.+)\\)");
 
         Process mountProcess;
@@ -43,7 +43,7 @@ public static List<VolumeProps> getVolumeProps() throws IOException {
                     String[] opts = matcher.group(4).split(",");
                     VolumeProps props = new VolumeProps(spec, file, type, opts);
                     if (props.size > 0L) {
-                        propsList.add(props);
+                        propsList.put(spec, props);
                     }
                 }
             }

src/test/java/com/nordstrom/common/file/VolumeInfoTest.java

@@ -1,7 +1,7 @@
 package com.nordstrom.common.file;
 
 import java.io.IOException;
-import java.util.List;
+import java.util.Map;
 
 import org.testng.annotations.Test;
 
@@ -11,8 +11,8 @@ public class VolumeInfoTest {
 
     @Test
     public void test() throws IOException {
-        List<VolumeProps> propsList = VolumeInfo.getVolumeProps();
-        for (VolumeProps thisProps : propsList) {
+        Map<String, VolumeProps> propsList = VolumeInfo.getVolumeProps();
+        for (VolumeProps thisProps : propsList.values()) {
             System.out.println("spec: " + thisProps.getSpec());
             System.out.println("file: " + thisProps.getFile());
             System.out.println("type: " + thisProps.getType());