From 73f1adb2e84b8b9cd4045bcdd7d9afa72d3875b5 Mon Sep 17 00:00:00 2001
From: James Moger <james.moger@gitblit.com>
Date: Tue, 27 Nov 2012 17:13:03 -0500
Subject: [PATCH] Added short commit id column to log and history tables (issue 168)

---
 src/com/gitblit/utils/StringUtils.java |  119 +++++++++++++++++++++++++++++++++++++++++++++++++++++------
 1 files changed, 107 insertions(+), 12 deletions(-)

diff --git a/src/com/gitblit/utils/StringUtils.java b/src/com/gitblit/utils/StringUtils.java
index c13be8a..8684004 100644
--- a/src/com/gitblit/utils/StringUtils.java
+++ b/src/com/gitblit/utils/StringUtils.java
@@ -15,6 +15,7 @@
  */
 package com.gitblit.utils;
 
+import java.io.ByteArrayOutputStream;
 import java.io.UnsupportedEncodingException;
 import java.nio.ByteBuffer;
 import java.nio.CharBuffer;
@@ -78,7 +79,7 @@
 	 * @return plain text escaped for html
 	 */
 	public static String escapeForHtml(String inStr, boolean changeSpace) {
-		StringBuffer retStr = new StringBuffer();
+		StringBuilder retStr = new StringBuilder();
 		int i = 0;
 		while (i < inStr.length()) {
 			if (inStr.charAt(i) == '&') {
@@ -119,7 +120,7 @@
 	 * @return properly escaped url
 	 */
 	public static String encodeURL(String inStr) {
-		StringBuffer retStr = new StringBuffer();
+		StringBuilder retStr = new StringBuilder();
 		int i = 0;
 		while (i < inStr.length()) {
 			if (inStr.charAt(i) == '/') {
@@ -262,13 +263,25 @@
 	 */
 	public static String getMD5(String string) {
 		try {
-			MessageDigest md = MessageDigest.getInstance("MD5");
-			md.reset();
-			md.update(string.getBytes("iso-8859-1"));
-			byte[] digest = md.digest();
-			return toHex(digest);
+			return getMD5(string.getBytes("iso-8859-1"));
 		} catch (UnsupportedEncodingException u) {
 			throw new RuntimeException(u);
+		}
+	}
+	
+	/**
+	 * Calculates the MD5 of the string.
+	 * 
+	 * @param string
+	 * @return md5 of the string
+	 */
+	public static String getMD5(byte [] bytes) {
+		try {
+			MessageDigest md = MessageDigest.getInstance("MD5");
+			md.reset();
+			md.update(bytes);
+			byte[] digest = md.digest();
+			return toHex(digest);
 		} catch (NoSuchAlgorithmException t) {
 			throw new RuntimeException(t);
 		}
@@ -314,11 +327,16 @@
 	 * @return the relative path
 	 */
 	public static String getRelativePath(String basePath, String fullPath) {
-		String relativePath = fullPath.substring(basePath.length()).replace('\\', '/');
-		if (relativePath.charAt(0) == '/') {
-			relativePath = relativePath.substring(1);
+		String bp = basePath.replace('\\', '/').toLowerCase();
+		String fp = fullPath.replace('\\', '/').toLowerCase();
+		if (fp.startsWith(bp)) {
+			String relativePath = fullPath.substring(basePath.length()).replace('\\', '/');
+			if (relativePath.charAt(0) == '/') {
+				relativePath = relativePath.substring(1);
+			}
+			return relativePath;
 		}
-		return relativePath;
+		return fullPath;
 	}
 
 	/**
@@ -366,7 +384,7 @@
 	 * @return the first invalid character found or null if string is acceptable
 	 */
 	public static Character findInvalidCharacter(String name) {
-		char[] validChars = { '/', '.', '_', '-' };
+		char[] validChars = { '/', '.', '_', '-', '~' };
 		for (char c : name.toCharArray()) {
 			if (!Character.isLetterOrDigit(c)) {
 				boolean ok = false;
@@ -421,6 +439,8 @@
 	public static int compareRepositoryNames(String r1, String r2) {
 		// sort root repositories first, alphabetically
 		// then sort grouped repositories, alphabetically
+		r1 = r1.toLowerCase();
+		r2 = r2.toLowerCase();
 		int s1 = r1.indexOf('/');
 		int s2 = r2.indexOf('/');
 		if (s1 == -1 && s2 == -1) {
@@ -624,4 +644,79 @@
 		}
 		return url;
 	}
+	
+	/**
+	 * Converts a string with \nnn sequences into a UTF-8 encoded string.
+	 * @param input
+	 * @return
+	 */
+	public static String convertOctal(String input) {
+		try {
+			ByteArrayOutputStream bytes = new ByteArrayOutputStream();
+			Pattern p = Pattern.compile("(\\\\\\d{3})");
+			Matcher m = p.matcher(input);
+			int i = 0;
+			while (m.find()) {
+				bytes.write(input.substring(i, m.start()).getBytes("UTF-8"));
+				// replace octal encoded value
+				// strip leading \ character
+				String oct = m.group().substring(1);
+				bytes.write(Integer.parseInt(oct, 8));
+				i = m.end();			
+			}
+			if (bytes.size() == 0) {
+				// no octal matches
+				return input;
+			} else {
+				if (i < input.length()) {
+					// add remainder of string
+					bytes.write(input.substring(i).getBytes("UTF-8"));
+				}
+			}
+			return bytes.toString("UTF-8");
+		} catch (Exception e) {
+			e.printStackTrace();
+		}
+		return input;
+	}
+	
+	/**
+	 * Returns the first path element of a path string.  If no path separator is
+	 * found in the path, an empty string is returned. 
+	 * 
+	 * @param path
+	 * @return the first element in the path
+	 */
+	public static String getFirstPathElement(String path) {
+		if (path.indexOf('/') > -1) {
+			return path.substring(0, path.indexOf('/')).trim();
+		}
+		return "";
+	}
+	
+	/**
+	 * Returns the last path element of a path string
+	 * 
+	 * @param path
+	 * @return the last element in the path
+	 */
+	public static String getLastPathElement(String path) {
+		if (path.indexOf('/') > -1) {
+			return path.substring(path.lastIndexOf('/') + 1);
+		}
+		return path;
+	}
+	
+	/**
+	 * Variation of String.matches() which disregards case issues.
+	 * 
+	 * @param regex
+	 * @param input
+	 * @return true if the pattern matches
+	 */
+	public static boolean matchesIgnoreCase(String input, String regex) {
+		Pattern p = Pattern.compile(regex, Pattern.CASE_INSENSITIVE);
+		Matcher m = p.matcher(input);
+		return m.matches();
+	}
 }
\ No newline at end of file

--
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