LfsRepository{NotFound,ReadOnly}: Externalize message strings

Instead of hard-coding the message strings, define them in a properties
file. This will allow them to be translated.

Change-Id: I77556881579e66b2c13d187759c7efdddfee87ae
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>

org.eclipse.jgit.lfs/resources/org/eclipse/jgit/lfs/internal/LfsText.properties

@@ -2,3 +2,5 @@ incorrectLONG_OBJECT_ID_LENGTH=Incorrect LONG_OBJECT_ID_LENGTH.
 invalidLongId=Invalid id: {0}
 invalidLongIdLength=Invalid id length {0}; should be {1}
 requiredHashFunctionNotAvailable=Required hash function {0} not available.
+repositoryNotFound=Repository {0} not found
+repositoryReadOnly=Repository {0} is read-only

org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/errors/LfsRepositoryNotFound.java

@@ -43,6 +43,10 @@
 
 package org.eclipse.jgit.lfs.errors;
 
+import java.text.MessageFormat;
+
+import org.eclipse.jgit.lfs.internal.LfsText;
+
 /**
  * Thrown when the repository does not exist for the user.
  *
@@ -56,6 +60,6 @@ public class LfsRepositoryNotFound extends LfsException {
 	 *
 	 */
 	public LfsRepositoryNotFound(String name) {
-		super("repository " + name + " not found"); //$NON-NLS-1$ //$NON-NLS-2$
+		super(MessageFormat.format(LfsText.get().repositoryNotFound, name));
 	}
 }

org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/errors/LfsRepositoryReadOnly.java

@@ -43,6 +43,10 @@
 
 package org.eclipse.jgit.lfs.errors;
 
+import java.text.MessageFormat;
+
+import org.eclipse.jgit.lfs.internal.LfsText;
+
 /**
  * Thrown when the user has read, but not write access. Only applicable when the
  * operation in the request is "upload".
@@ -56,6 +60,6 @@ public class LfsRepositoryReadOnly extends LfsException {
 	 * @param name
 	 */
 	public LfsRepositoryReadOnly(String name) {
-		super("repository " + name + "is read-only"); //$NON-NLS-1$ //$NON-NLS-2$
+		super(MessageFormat.format(LfsText.get().repositoryReadOnly, name));
 	}
 }

org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/internal/LfsText.java

@@ -62,4 +62,6 @@ public class LfsText extends TranslationBundle {
 	/***/ public String invalidLongId;
 	/***/ public String invalidLongIdLength;
 	/***/ public String requiredHashFunctionNotAvailable;
+	/***/ public String repositoryNotFound;
+	/***/ public String repositoryReadOnly;
 }