From 6cc1d4cf3605719af3f9a37ee09cb02519be3571 Mon Sep 17 00:00:00 2001
From: James Moger <james.moger@gitblit.com>
Date: Mon, 19 Dec 2011 17:58:43 -0500
Subject: [PATCH] Server-side hook script selection. Documentation.

---
 src/com/gitblit/utils/StringUtils.java |   48 +++++++++++++++++++++++++++++++++++++++++++++++-
 1 files changed, 47 insertions(+), 1 deletions(-)

diff --git a/src/com/gitblit/utils/StringUtils.java b/src/com/gitblit/utils/StringUtils.java
index 8adf1e4..a51c157 100644
--- a/src/com/gitblit/utils/StringUtils.java
+++ b/src/com/gitblit/utils/StringUtils.java
@@ -34,6 +34,8 @@
 
 	public static final String MD5_TYPE = "MD5:";
 
+	public static final String COMBINED_MD5_TYPE = "CMD5:";
+
 	/**
 	 * Returns true if the string is null or empty.
 	 * 
@@ -441,4 +443,48 @@
 			}
 		});
 	}
-}
+
+	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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