Fix a complicated multi level nested if block structure to use a single level with multiple returns.

Change-Id: I3f116f37045e83aba5c80d45b987ab075502dcc6

org.eclipse.jgit/src/org/eclipse/jgit/transport/URIish.java

@@ -202,43 +202,42 @@ public class URIish implements Serializable {
 		if (matcher.matches()) {
 			scheme = matcher.group(1);
 			path = cleanLeadingSlashes(matcher.group(2), scheme);
-		} else {
+			return;
-			matcher = FULL_URI.matcher(s);
+		}
-			if (matcher.matches()) {
+		matcher = FULL_URI.matcher(s);
-				scheme = matcher.group(1);
+		if (matcher.matches()) {
-				user = matcher.group(2);
+			scheme = matcher.group(1);
-				pass = matcher.group(3);
+			user = matcher.group(2);
-				host = matcher.group(4);
+			pass = matcher.group(3);
-				if (matcher.group(5) != null)
+			host = matcher.group(4);
-					port = Integer.parseInt(matcher.group(5));
+			if (matcher.group(5) != null)
-				path = cleanLeadingSlashes(
+				port = Integer.parseInt(matcher.group(5));
-						n2e(matcher.group(6)) + n2e(matcher.group(7)),
+			path = cleanLeadingSlashes(
-						scheme);
+					n2e(matcher.group(6)) + n2e(matcher.group(7)), scheme);
-			} else {
+			return;
-				matcher = RELATIVE_SCP_URI.matcher(s);
+		}
-				if (matcher.matches()) {
+		matcher = RELATIVE_SCP_URI.matcher(s);
-					user = matcher.group(1);
+		if (matcher.matches()) {
-					pass = matcher.group(2);
+			user = matcher.group(1);
-					host = matcher.group(3);
+			pass = matcher.group(2);
-					path = matcher.group(4);
+			host = matcher.group(3);
-				} else {
+			path = matcher.group(4);
-					matcher = ABSOLUTE_SCP_URI.matcher(s);
+			return;
-					if (matcher.matches()) {
+		}
-						user = matcher.group(1);
+		matcher = ABSOLUTE_SCP_URI.matcher(s);
-						pass = matcher.group(2);
+		if (matcher.matches()) {
-						host = matcher.group(3);
+			user = matcher.group(1);
-						path = matcher.group(4);
+			pass = matcher.group(2);
-					} else {
+			host = matcher.group(3);
-						matcher = LOCAL_FILE.matcher(s);
+			path = matcher.group(4);
-						if (matcher.matches()) {
+			return;
-							path = matcher.group(1);
+		}
-						} else
+		matcher = LOCAL_FILE.matcher(s);
-							throw new URISyntaxException(s,
+		if (matcher.matches()) {
-									JGitText.get().cannotParseGitURIish);
+			path = matcher.group(1);
-					}
+			return;
-				}
-			}
 		}
+		throw new URISyntaxException(s, JGitText.get().cannotParseGitURIish);
 	}
 
 	private String n2e(String s) {