Renamed datagrid and datastore packages
net.onrc.onos.datagrid.* => net.onrc.onos.core.datagrid.*
net.onrc.onos.datastore.* => net.onrc.onos.core.datastore.*
Change-Id: Ibe1894a6fabae08ea7cfcbf6595f0c91b05ef497
diff --git a/src/main/java/net/onrc/onos/core/datastore/utils/ByteArrayUtil.java b/src/main/java/net/onrc/onos/core/datastore/utils/ByteArrayUtil.java
new file mode 100644
index 0000000..14cd419
--- /dev/null
+++ b/src/main/java/net/onrc/onos/core/datastore/utils/ByteArrayUtil.java
@@ -0,0 +1,53 @@
+package net.onrc.onos.core.datastore.utils;
+
+import java.nio.ByteBuffer;
+
+public class ByteArrayUtil {
+
+ // Suppresses default constructor, ensuring non-instantiability.
+ private ByteArrayUtil() {}
+
+ /**
+ * Returns a StringBuffer with each byte in {@code bytes}
+ * converted to a String with {@link Integer#toHexString(int)},
+ * separated by {@code sep}.
+ *
+ * @param bytes byte array to convert
+ * @param sep separator between each bytes
+ * @return {@code bytes} converted to a StringBuffer
+ */
+ public static StringBuffer toHexStringBuffer(final byte[] bytes,
+ final String sep) {
+ return toHexStringBuffer(bytes, sep, new StringBuffer());
+ }
+
+ /**
+ * Returns a StringBuffer with each byte in {@code bytes}
+ * converted to a String with {@link Integer#toHexString(int)},
+ * separated by {@code sep}.
+ *
+ * @param bytes byte array to convert
+ * @param sep separator between each bytes
+ * @param buf StringBuffer to append to.
+ * @return {@code buf}
+ */
+ public static StringBuffer toHexStringBuffer(final byte[] bytes,
+ final String sep, final StringBuffer buf) {
+ if (bytes == null) {
+ return buf;
+ }
+
+ ByteBuffer wrap = ByteBuffer.wrap(bytes);
+
+ boolean hasWritten = false;
+ while (wrap.hasRemaining()) {
+ if (hasWritten) {
+ buf.append(sep);
+ }
+ buf.append(Integer.toHexString(wrap.get()));
+ hasWritten = true;
+ }
+
+ return buf;
+ }
+}