JCR-3982 Implement toString in TransactionContext (XidWrapper)
git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/trunk@1745116 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/jackrabbit-data/src/main/java/org/apache/jackrabbit/data/core/TransactionContext.java b/jackrabbit-data/src/main/java/org/apache/jackrabbit/data/core/TransactionContext.java
index e70b909..054a130 100644
--- a/jackrabbit-data/src/main/java/org/apache/jackrabbit/data/core/TransactionContext.java
+++ b/jackrabbit-data/src/main/java/org/apache/jackrabbit/data/core/TransactionContext.java
@@ -353,6 +353,9 @@
* that handles hashCode and equals in a proper way.
*/
private static class XidWrapper {
+
+ private static final char[] HEX = "0123456789abcdef".toCharArray();
+
private byte[] gtid;
public XidWrapper(byte[] gtid) {
@@ -371,6 +374,27 @@
public int hashCode() {
return Arrays.hashCode(gtid);
}
+
+ @Override
+ public String toString() {
+ return encodeHexString(gtid);
+ }
+
+ /**
+ * Returns the hex encoding of the given bytes.
+ *
+ * @param value value to be encoded
+ * @return encoded value
+ */
+ private static String encodeHexString(byte[] value) {
+ char[] buffer = new char[value.length * 2];
+ for (int i = 0; i < value.length; i++) {
+ buffer[2 * i] = HEX[(value[i] >> 4) & 0x0f];
+ buffer[2 * i + 1] = HEX[value[i] & 0x0f];
+ }
+ return new String(buffer);
+ }
+
}
}
