PacketLineIn: Add helper methods to check for END and DELIM

These methods will allow clients to check for END and DELIM without
doing a reference comparison on the String objects, which raises
warnings from Error Prone.

Change-Id: I9e7e59843553ed4488ee8e864033198bbb60d67c
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>

1 files changed, 24 insertions, 0 deletions

diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/PacketLineIn.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/PacketLineIn.java
index c6e19d5762..15d3481f4c 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/PacketLineIn.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/PacketLineIn.java
@@ -224,6 +224,30 @@ public class PacketLineIn {
 		return s;
 	}
 
+	/**
+	 * Check if a string is the delimiter marker.
+	 *
+	 * @param s
+	 *            the string to check
+	 * @return true if the given string is {@link #DELIM}, otherwise false.
+	 * @since 5.4
+	 */
+	public static boolean isDelim(String s) {
+		return s == DELIM;
+	}
+
+	/**
+	 * Check if a string is the packet end marker.
+	 *
+	 * @param s
+	 *            the string to check
+	 * @return true if the given string is {@link #END}, otherwise false.
+	 * @since 5.4
+	 */
+	public static boolean isEnd(String s) {
+		return s == END;
+	}
+
 	void discardUntilEnd() throws IOException {
 		for (;;) {
 			int n = readLength();