From 357109c5a5518db5925f49a6700a87e7ed30ca14 Mon Sep 17 00:00:00 2001
From: James Moger <james.moger@gitblit.com>
Date: Wed, 28 Dec 2011 16:19:29 -0500
Subject: [PATCH] Unit testing. Documentation.
---
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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