From cb285cbfddfc0b633d6b8cdb4dc0d2bd2b8b51ef Mon Sep 17 00:00:00 2001
From: James Moger <james.moger@gitblit.com>
Date: Thu, 05 Jan 2012 17:34:05 -0500
Subject: [PATCH] Fixed bug in receive hook for repositories in subfolders

---
 src/com/gitblit/utils/StringUtils.java |  152 +++++++++++++++++++++++++++++++++++++++++++++++++-
 1 files changed, 149 insertions(+), 3 deletions(-)

diff --git a/src/com/gitblit/utils/StringUtils.java b/src/com/gitblit/utils/StringUtils.java
index bb1928a..1e47899 100644
--- a/src/com/gitblit/utils/StringUtils.java
+++ b/src/com/gitblit/utils/StringUtils.java
@@ -19,6 +19,9 @@
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
 import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.Comparator;
 import java.util.List;
 import java.util.regex.PatternSyntaxException;
 
@@ -31,6 +34,8 @@
 public class StringUtils {
 
 	public static final String MD5_TYPE = "MD5:";
+
+	public static final String COMBINED_MD5_TYPE = "CMD5:";
 
 	/**
 	 * Returns true if the string is null or empty.
@@ -123,7 +128,7 @@
 	 * @param values
 	 * @return flattened list
 	 */
-	public static String flattenStrings(List<String> values) {
+	public static String flattenStrings(Collection<String> values) {
 		return flattenStrings(values, " ");
 	}
 
@@ -135,10 +140,14 @@
 	 * @param separator
 	 * @return flattened list
 	 */
-	public static String flattenStrings(List<String> values, String separator) {
+	public static String flattenStrings(Collection<String> values, String separator) {
 		StringBuilder sb = new StringBuilder();
 		for (String value : values) {
 			sb.append(value).append(separator);
+		}
+		if (sb.length() > 0) {
+			// truncate trailing separator
+			sb.setLength(sb.length() - separator.length());
 		}
 		return sb.toString().trim();
 	}
@@ -342,4 +351,141 @@
 		}
 		return strings;
 	}
-}
+
+	/**
+	 * Validates that a name is composed of letters, digits, or limited other
+	 * characters.
+	 * 
+	 * @param name
+	 * @return the first invalid character found or null if string is acceptable
+	 */
+	public static Character findInvalidCharacter(String name) {
+		char[] validChars = { '/', '.', '_', '-' };
+		for (char c : name.toCharArray()) {
+			if (!Character.isLetterOrDigit(c)) {
+				boolean ok = false;
+				for (char vc : validChars) {
+					ok |= c == vc;
+				}
+				if (!ok) {
+					return c;
+				}
+			}
+		}
+		return null;
+	}
+
+	/**
+	 * Simple fuzzy string comparison. This is a case-insensitive check. A
+	 * single wildcard * value is supported.
+	 * 
+	 * @param value
+	 * @param pattern
+	 * @return true if the value matches the pattern
+	 */
+	public static boolean fuzzyMatch(String value, String pattern) {
+		if (value.equalsIgnoreCase(pattern)) {
+			return true;
+		}
+		if (pattern.contains("*")) {
+			boolean prefixMatches = false;
+			boolean suffixMatches = false;
+
+			int wildcard = pattern.indexOf('*');
+			String prefix = pattern.substring(0, wildcard).toLowerCase();
+			prefixMatches = value.toLowerCase().startsWith(prefix);
+
+			if (pattern.length() > (wildcard + 1)) {
+				String suffix = pattern.substring(wildcard + 1).toLowerCase();
+				suffixMatches = value.toLowerCase().endsWith(suffix);
+				return prefixMatches && suffixMatches;
+			}
+			return prefixMatches || suffixMatches;
+		}
+		return false;
+	}
+
+	/**
+	 * Compare two repository names for proper group sorting.
+	 * 
+	 * @param r1
+	 * @param r2
+	 * @return
+	 */
+	public static int compareRepositoryNames(String r1, String r2) {
+		// sort root repositories first, alphabetically
+		// then sort grouped repositories, alphabetically
+		int s1 = r1.indexOf('/');
+		int s2 = r2.indexOf('/');
+		if (s1 == -1 && s2 == -1) {
+			// neither grouped
+			return r1.compareTo(r2);
+		} else if (s1 > -1 && s2 > -1) {
+			// both grouped
+			return r1.compareTo(r2);
+		} else if (s1 == -1) {
+			return -1;
+		} else if (s2 == -1) {
+			return 1;
+		}
+		return 0;
+	}
+
+	/**
+	 * Sort grouped repository names.
+	 * 
+	 * @param list
+	 */
+	public static void sortRepositorynames(List<String> list) {
+		Collections.sort(list, new Comparator<String>() {
+			@Override
+			public int compare(String o1, String o2) {
+				return compareRepositoryNames(o1, o2);
+			}
+		});
+	}
+
+	public static String getColor(String value) {
+		int cs = 0;
+		for (char c : getMD5(value.toLowerCase()).toCharArray()) {
+			cs += c;
+		}
+		int n = (cs % 360);		
+		float hue = ((float) n) / 360;
+		return hsvToRgb(hue, 0.90f, 0.65f);
+	}
+
+	public static String hsvToRgb(float hue, float saturation, float value) {
+		int h = (int) (hue * 6);
+		float f = hue * 6 - h;
+		float p = value * (1 - saturation);
+		float q = value * (1 - f * saturation);
+		float t = value * (1 - (1 - f) * saturation);
+
+		switch (h) {
+		case 0:
+			return rgbToString(value, t, p);
+		case 1:
+			return rgbToString(q, value, p);
+		case 2:
+			return rgbToString(p, value, t);
+		case 3:
+			return rgbToString(p, q, value);
+		case 4:
+			return rgbToString(t, p, value);
+		case 5:
+			return rgbToString(value, p, q);
+		default:
+			throw new RuntimeException(
+					"Something went wrong when converting from HSV to RGB. Input was " + hue + ", "
+							+ saturation + ", " + value);
+		}
+	}
+
+	public static String rgbToString(float r, float g, float b) {
+		String rs = Integer.toHexString((int) (r * 256));
+		String gs = Integer.toHexString((int) (g * 256));
+		String bs = Integer.toHexString((int) (b * 256));
+		return "#" + rs + gs + bs;
+	}
+}
\ No newline at end of file

--
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