Move byteToBoolean to TranslateUtils

Change-Id: I7a8142bc2df7d566bc3edde7ceb42eb6b8815852
Signed-off-by: Marek Gradzki <mgradzki@cisco.com>

2 files changed, 40 insertions, 13 deletions

diff --git a/v3po/vpp-translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/v3po/util/TranslateUtils.java b/v3po/vpp-translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/v3po/util/TranslateUtils.java
index f14b2eb6d..b13dbb4fe 100644
--- a/v3po/vpp-translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/v3po/util/TranslateUtils.java
+++ b/v3po/vpp-translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/v3po/util/TranslateUtils.java
@@ -129,4 +129,20 @@ public final class TranslateUtils {
     public static byte booleanToByte(@Nullable final Boolean value) {
         return value != null && value ? (byte) 1 : (byte) 0;
     }
+
+    /**
+     * Returns Boolean.TRUE if argument is 0, Boolean.FALSE otherwise.
+     * @param value byte value to be converted
+     * @return Boolean value
+     * @throws IllegalArgumentException if argument is neither 0 nor 1
+     */
+    @Nonnull
+    public static Boolean byteToBoolean(final byte value) {
+        if (value == 0) {
+            return Boolean.FALSE;
+        } else if (value == 1) {
+            return Boolean.TRUE;
+        }
+        throw new IllegalArgumentException(String.format("0 or 1 was expected but was %d", value));
+    }
 }
diff --git a/v3po/vpp-translate-utils/src/test/java/io/fd/honeycomb/v3po/translate/v3po/util/TranslateUtilsTest.java b/v3po/vpp-translate-utils/src/test/java/io/fd/honeycomb/v3po/translate/v3po/util/TranslateUtilsTest.java
index a3c37bade..0a851e8c4 100644
--- a/v3po/vpp-translate-utils/src/test/java/io/fd/honeycomb/v3po/translate/v3po/util/TranslateUtilsTest.java
+++ b/v3po/vpp-translate-utils/src/test/java/io/fd/honeycomb/v3po/translate/v3po/util/TranslateUtilsTest.java
@@ -3,7 +3,6 @@ package io.fd.honeycomb.v3po.translate.v3po.util;
 import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertEquals;
 
-import io.fd.honeycomb.v3po.translate.v3po.util.TranslateUtils;
 import org.junit.Test;
 
 public class TranslateUtilsTest {
@@ -11,7 +10,7 @@ public class TranslateUtilsTest {
     @Test
     public void testToString() {
         final byte[] expected = "test".getBytes();
-        final byte[] cString = new byte[expected.length+10];
+        final byte[] cString = new byte[expected.length + 10];
         System.arraycopy(expected, 0, cString, 0, expected.length);
         final String jString = TranslateUtils.toString(cString);
         assertArrayEquals(expected, jString.getBytes());
@@ -25,12 +24,12 @@ public class TranslateUtilsTest {
 
     private void assertMac(final byte[] bytes) {
         assertEquals(6, bytes.length);
-        assertEquals((byte)0, bytes[0]);
-        assertEquals((byte)255, bytes[1]);
-        assertEquals((byte)127, bytes[2]);
-        assertEquals((byte)21, bytes[3]);
-        assertEquals((byte)94, bytes[4]);
-        assertEquals((byte)169, bytes[5]);
+        assertEquals((byte) 0, bytes[0]);
+        assertEquals((byte) 255, bytes[1]);
+        assertEquals((byte) 127, bytes[2]);
+        assertEquals((byte) 21, bytes[3]);
+        assertEquals((byte) 94, bytes[4]);
+        assertEquals((byte) 169, bytes[5]);
     }
 
     @Test(expected = IllegalArgumentException.class)
@@ -54,9 +53,21 @@ public class TranslateUtilsTest {
         TranslateUtils.parseMac("00:XX:7f:15:5e:77\"");
     }
 
-   public void testBooleanToByte() {
-       assertEquals(0, TranslateUtils.booleanToByte(null));
-       assertEquals(0, TranslateUtils.booleanToByte(false));
-       assertEquals(1, TranslateUtils.booleanToByte(true));
-   }
+    @Test
+    public void testBooleanToByte() {
+        assertEquals(0, TranslateUtils.booleanToByte(null));
+        assertEquals(0, TranslateUtils.booleanToByte(false));
+        assertEquals(1, TranslateUtils.booleanToByte(true));
+    }
+
+    @Test
+    public void testByteToBoolean() {
+        assertEquals(Boolean.FALSE, TranslateUtils.byteToBoolean((byte) 0));
+        assertEquals(Boolean.TRUE, TranslateUtils.byteToBoolean((byte) 1));
+    }
+
+    @Test(expected = IllegalArgumentException.class)
+    public void testByteToBooleanFailed() {
+        TranslateUtils.byteToBoolean((byte) 123);
+    }
 }
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