[LANG-1510] Add org.apache.commons.lang3.arch.Processor.Arch.getLabel().

src/changes/changes.xml

@@ -91,6 +91,7 @@ The <action> type attribute can be add,update,fix,remove.
     <action issue="LANG-1506" type="add" dev="ggregory" due-to="Gary Gregory">Allow a StopWatch to carry an optional message.</action>
     <action issue="LANG-1507" type="add" dev="ggregory" due-to="Sam Kruglov, Mark Dacek, Marc Magon, Pascal Schumacher, Rob Tompkins, Bruno P. Kinoshita, Amey Jadiye, Gary Gregory">Add ComparableUtils #398.</action>
     <action issue="LANG-1508" type="add" dev="ggregory" due-to="Gary Gregory">Add org.apache.commons.lang3.SystemUtils.getUserName().</action>
+    <action issue="LANG-1510" type="add" dev="ggregory" due-to="Gary Gregory">Add org.apache.commons.lang3.arch.Processor.Arch.getLabel().</action>
   </release>
 
   <release version="3.9" date="2019-04-09" description="New features and bug fixes. Requires Java 8, supports Java 9, 10, 11.">

src/main/java/org/apache/commons/lang3/arch/Processor.java

@@ -19,6 +19,7 @@
 /**
  * The {@link Processor} represents a microprocessor and defines
  * some properties like architecture and type of the microprocessor.
+ *
  * @since 3.6
  */
 public class Processor {
@@ -29,9 +30,9 @@ public class Processor {
      * of the microprocessor.
      * The following architectures are defined:
      * <ul>
-     *     <li>32 bit</li>
-     *     <li>64 bit</li>
-     *     <li>unknown</li>
+     *     <li>32-bit</li>
+     *     <li>64-bit</li>
+     *     <li>Unknown</li>
      * </ul>
      */
     public enum Arch {
@@ -39,17 +40,37 @@ public enum Arch {
         /**
          * A 32-bit processor architecture.
          */
-        BIT_32,
+        BIT_32("32-bit"),
 
         /**
          * A 64-bit processor architecture.
          */
-        BIT_64,
+        BIT_64("64-bit"),
 
         /**
          * An unknown-bit processor architecture.
          */
-        UNKNOWN
+        UNKNOWN("Unknown");
+
+        /**
+         * A label suitable for display.
+         *
+         * @since 3.10
+         */
+        private final String label;
+
+        private Arch(final String label) {
+            this.label = label;
+        }
+
+        /**
+         * Gets the label suitable for display.
+         *
+         * @return the label.
+         */
+        public String getLabel() {
+            return label;
+        }
     }
 
     /**
@@ -58,8 +79,8 @@ public enum Arch {
      * <ul>
      *     <li>x86</li>
      *     <li>ia64</li>
-     *     <li>ppc</li>
-     *     <li>unknown</li>
+     *     <li>PPC</li>
+     *     <li>Unknown</li>
      * </ul>
      */
     public enum Type {

src/test/java/org/apache/commons/lang3/ArchUtilsTest.java

@@ -17,6 +17,7 @@
 package org.apache.commons.lang3;
 
 import org.apache.commons.lang3.arch.Processor;
+import org.apache.commons.lang3.arch.Processor.Arch;
 import org.junit.jupiter.api.Test;
 
 import static org.junit.jupiter.api.Assertions.assertTrue;
@@ -95,6 +96,14 @@ public void testArch() {
         assertTrue(processor.isPPC());
     }
 
+    @Test
+    public void testArchLabels() {
+        for (Arch arch : Arch.values()) {
+            // Only test label presence.
+            assertFalse(arch.getLabel().isEmpty());
+        }
+    }
+
     @Test
     public void testGetProcessor() {
         assertNotNull(ArchUtils.getProcessor(X86));