Use static factory methods instead of overloaded constructors

Change-Id: Ib10e0798dcfb9f1b611caec393926c95eff4c2a2

org.eclipse.jgit/src/org/eclipse/jgit/api/RebaseCommand.java

@@ -321,7 +321,7 @@ public class RebaseCommand extends GitCommand<RebaseResult> {
 			}
 			return finishRebase(newHead, lastStepWasForward);
 		} catch (CheckoutConflictException cce) {
-			return new RebaseResult(cce.getConflictingPaths());
+			return RebaseResult.conflicts(cce.getConflictingPaths());
 		} catch (IOException ioe) {
 			throw new JGitInternalException(ioe.getMessage(), ioe);
 		}
@@ -340,7 +340,7 @@ public class RebaseCommand extends GitCommand<RebaseResult> {
 		RevCommit commitToPick = walk.parseCommit(ids.iterator().next());
 		if (shouldPick) {
 			if (monitor.isCancelled())
-				return new RebaseResult(commitToPick, Status.STOPPED);
+				return RebaseResult.result(Status.STOPPED, commitToPick);
 			RebaseResult result = cherryPickCommit(commitToPick);
 			if (result != null)
 				return result;
@@ -403,8 +403,8 @@ public class RebaseCommand extends GitCommand<RebaseResult> {
 				switch (cherryPickResult.getStatus()) {
 				case FAILED:
 					if (operation == Operation.BEGIN)
-						return abort(new RebaseResult(
+						return abort(RebaseResult.failed(cherryPickResult
-								cherryPickResult.getFailingPaths()));
+								.getFailingPaths()));
 					else
 						return stop(commitToPick, Status.STOPPED);
 				case CONFLICTING:
@@ -735,7 +735,7 @@ public class RebaseCommand extends GitCommand<RebaseResult> {
 		// Remove cherry pick state file created by CherryPickCommand, it's not
 		// needed for rebase
 		repo.writeCherryPickHead(null);
-		return new RebaseResult(commitToPick, status);
+		return RebaseResult.result(status, commitToPick);
 	}
 
 	String toAuthorScript(PersonIdent author) {

org.eclipse.jgit/src/org/eclipse/jgit/api/RebaseResult.java

@@ -190,16 +190,22 @@ public class RebaseResult {
 		currentCommit = null;
 	}
 
+	private RebaseResult(Status status, RevCommit commit) {
+		this.status = status;
+		currentCommit = commit;
+	}
+
 	/**
-	 * Create <code>RebaseResult</code> with status {@link Status#STOPPED}
+	 * Create <code>RebaseResult</code>
 	 *
+	 * @param status
 	 * @param commit
 	 *            current commit
-	 * @param status
+	 * @return the RebaseResult
 	 */
-	RebaseResult(RevCommit commit, RebaseResult.Status status) {
+	static RebaseResult result(RebaseResult.Status status,
-		this.status = status;
+			RevCommit commit) {
-		currentCommit = commit;
+		return new RebaseResult(status, commit);
 	}
 
 	/**
@@ -207,11 +213,13 @@ public class RebaseResult {
 	 *
 	 * @param failingPaths
 	 *            list of paths causing this rebase to fail
+	 * @return the RebaseResult
 	 */
-	RebaseResult(Map<String, MergeFailureReason> failingPaths) {
+	static RebaseResult failed(
-		status = Status.FAILED;
+			Map<String, MergeFailureReason> failingPaths) {
-		currentCommit = null;
+		RebaseResult result = new RebaseResult(Status.FAILED);
-		this.failingPaths = failingPaths;
+		result.failingPaths = failingPaths;
+		return result;
 	}
 
 	/**
@@ -219,11 +227,12 @@ public class RebaseResult {
 	 *
 	 * @param conflicts
 	 *            the list of conflicting paths
+	 * @return the RebaseResult
 	 */
-	RebaseResult(List<String> conflicts) {
+	static RebaseResult conflicts(List<String> conflicts) {
-		status = Status.CONFLICTS;
+		RebaseResult result = new RebaseResult(Status.CONFLICTS);
-		currentCommit = null;
+		result.conflicts = conflicts;
-		this.conflicts = conflicts;
+		return result;
 	}
 
 	/**