Method to get a 'humanish' name from a path

Change-Id: Iec0688232bd59d4626111d77633109918e8e1df3
Signed-off-by: Mykola Nikishov <mn@mn.com.ua>
Signed-off-by: Robin Rosenberg <robin.rosenberg@dewire.com>

1 files changed, 52 insertions, 0 deletions

diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/URIish.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/URIish.java
index e1df85248e..1f7bad1838 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/URIish.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/URIish.java
@@ -1,4 +1,5 @@
 /*
+ * Copyright (C) 2009, Mykola Nikishov <mn@mn.com.ua>
  * Copyright (C) 2008, Robin Rosenberg <robin.rosenberg@dewire.com>
  * Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org>
  * and other copyright owners as documented in the project's IP log.
@@ -56,6 +57,8 @@ import java.util.regex.Pattern;
  * any special character is written as-is.
  */
 public class URIish {
+	private static final String DOT_GIT = ".git";
+
 	private static final Pattern FULL_URI = Pattern
 			.compile("^(?:([a-z][a-z0-9+-]+)://(?:([^/]+?)(?::([^/]+?))?@)?(?:([^/]+?))?(?::(\\d+))?)?((?:[A-Za-z]:)?/.+)$");
 
@@ -363,4 +366,53 @@ public class URIish {
 
 		return r.toString();
 	}
+
+	/**
+	 * Get the "humanish" part of the path. Some examples of a 'humanish' part
+	 * for a full path:
+	 * <table>
+	 * <tr>
+	 * <th>Path</th>
+	 * <th>Humanish part</th>
+	 * </tr>
+	 * <tr>
+	 * <td><code>/path/to/repo.git</code></td>
+	 * <td rowspan="4"><code>repo</code></td>
+	 * </tr>
+	 * <tr>
+	 * <td><code>/path/to/repo.git/</code></td>
+	 * </tr>
+	 * <tr>
+	 * <td><code>/path/to/repo/.git</code></td>
+	 * </tr>
+	 * <tr>
+	 * <td><code>/path/to/repo/</code></td>
+	 * </tr>
+	 * <tr>
+	 * <td><code>/path//to</code></td>
+	 * <td>an empty string</td>
+	 * </tr>
+	 * </table>
+	 *
+	 * @return the "humanish" part of the path. May be an empty string. Never
+	 *         {@code null}.
+	 * @throws IllegalArgumentException
+	 *             if it's impossible to determine a humanish part, or path is
+	 *             {@code null} or empty
+	 * @see #getPath
+	 */
+	public String getHumanishName() throws IllegalArgumentException {
+		if ("".equals(getPath()) || getPath() == null)
+			throw new IllegalArgumentException();
+		String[] elements = getPath().split("/");
+		if (elements.length == 0)
+			throw new IllegalArgumentException();
+		String result = elements[elements.length - 1];
+		if (DOT_GIT.equals(result))
+			result = elements[elements.length - 2];
+		else if (result.endsWith(DOT_GIT))
+			result = result.substring(0, result.length() - DOT_GIT.length());
+		return result;
+	}
+
 }