Use constant for ".lock"

(cherry picked from commit 5f27032fb85694a093f827581216d4ffb99db68b)

Change-Id: I6bc0e9a910b110418a82d8e574fb2aecc3a31d6a
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>

5 files changed, 24 insertions, 8 deletions

diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/LockFile.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/LockFile.java
index 5af93cf2c4..584c4714d8 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/LockFile.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/LockFile.java
@@ -44,6 +44,8 @@
 
 package org.eclipse.jgit.internal.storage.file;
 
+import static org.eclipse.jgit.lib.Constants.LOCK_SUFFIX;
+
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileNotFoundException;
@@ -75,7 +77,6 @@ import org.eclipse.jgit.util.FileUtils;
  * name.
  */
 public class LockFile {
-	static final String SUFFIX = ".lock"; //$NON-NLS-1$
 
 	/**
 	 * Unlock the given file.
@@ -105,14 +106,15 @@ public class LockFile {
 	 * @return lock file
 	 */
 	static File getLockFile(File file) {
-		return new File(file.getParentFile(), file.getName() + SUFFIX);
+		return new File(file.getParentFile(),
+				file.getName() + LOCK_SUFFIX);
 	}
 
 	/** Filter to skip over active lock files when listing a directory. */
 	static final FilenameFilter FILTER = new FilenameFilter() {
 		@Override
 		public boolean accept(File dir, String name) {
-			return !name.endsWith(SUFFIX);
+			return !name.endsWith(LOCK_SUFFIX);
 		}
 	};
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/ReflogWriter.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/ReflogWriter.java
index 24d2c790ee..892c1c85ad 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/ReflogWriter.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/ReflogWriter.java
@@ -47,6 +47,7 @@ package org.eclipse.jgit.internal.storage.file;
 
 import static org.eclipse.jgit.lib.Constants.HEAD;
 import static org.eclipse.jgit.lib.Constants.LOGS;
+import static org.eclipse.jgit.lib.Constants.LOCK_SUFFIX;
 import static org.eclipse.jgit.lib.Constants.R_HEADS;
 import static org.eclipse.jgit.lib.Constants.R_REFS;
 import static org.eclipse.jgit.lib.Constants.R_REMOTES;
@@ -86,7 +87,7 @@ public class ReflogWriter {
 	 * @return the name of the ref's lock ref
 	 */
 	public static String refLockFor(final String name) {
-		return name + LockFile.SUFFIX;
+		return name + LOCK_SUFFIX;
 	}
 
 	private final Repository parent;
@@ -287,4 +288,4 @@ public class ReflogWriter {
 				|| refName.startsWith(R_REMOTES) //
 				|| refName.equals(R_STASH);
 	}
-}
\ No newline at end of file
+}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/lib/Constants.java b/org.eclipse.jgit/src/org/eclipse/jgit/lib/Constants.java
index ff80672f80..bda1a2745f 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/lib/Constants.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/lib/Constants.java
@@ -665,6 +665,13 @@ public final class Constants {
 	public static final ObjectId EMPTY_BLOB_ID = ObjectId
 			.fromString("e69de29bb2d1d6434b8b29ae775ad8c2e48c5391");
 
+	/**
+	 * Suffix of lock file name
+	 *
+	 * @since 4.7
+	 */
+	public static final String LOCK_SUFFIX = ".lock"; //$NON-NLS-1$
+
 	private Constants() {
 		// Hide the default constructor
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/lib/Repository.java b/org.eclipse.jgit/src/org/eclipse/jgit/lib/Repository.java
index ea37e79381..aa70f4209b 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/lib/Repository.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/lib/Repository.java
@@ -48,6 +48,8 @@
 
 package org.eclipse.jgit.lib;
 
+import static org.eclipse.jgit.lib.Constants.LOCK_SUFFIX;
+
 import java.io.BufferedOutputStream;
 import java.io.File;
 import java.io.FileNotFoundException;
@@ -1293,10 +1295,12 @@ public abstract class Repository implements AutoCloseable {
 	 */
 	public static boolean isValidRefName(final String refName) {
 		final int len = refName.length();
-		if (len == 0)
+		if (len == 0) {
 			return false;
-		if (refName.endsWith(".lock")) //$NON-NLS-1$
+		}
+		if (refName.endsWith(LOCK_SUFFIX)) {
 			return false;
+		}
 
 		// Refs may be stored as loose files so invalid paths
 		// on the local system must also be invalid refs.
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/TransportSftp.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/TransportSftp.java
index c46f94b7da..99e4809cf6 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/TransportSftp.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/TransportSftp.java
@@ -43,6 +43,8 @@
 
 package org.eclipse.jgit.transport;
 
+import static org.eclipse.jgit.lib.Constants.LOCK_SUFFIX;
+
 import java.io.BufferedReader;
 import java.io.FileNotFoundException;
 import java.io.IOException;
@@ -341,7 +343,7 @@ public class TransportSftp extends SshTransport implements WalkTransport {
 
 		@Override
 		void writeFile(final String path, final byte[] data) throws IOException {
-			final String lock = path + ".lock"; //$NON-NLS-1$
+			final String lock = path + LOCK_SUFFIX;
 			try {
 				super.writeFile(lock, data);
 				try {