githubFork/gitblit.git - Solinfo Gitblit

			@@ -16,10 +16,23 @@
			package com.gitblit.utils;

			import java.io.UnsupportedEncodingException;
			import java.nio.ByteBuffer;
			import java.nio.CharBuffer;
			import java.nio.charset.CharacterCodingException;
			import java.nio.charset.Charset;
			import java.nio.charset.CharsetDecoder;
			import java.nio.charset.IllegalCharsetNameException;
			import java.nio.charset.UnsupportedCharsetException;
			import java.security.MessageDigest;
			import java.security.NoSuchAlgorithmException;
			import java.util.ArrayList;
			import java.util.Arrays;
			import java.util.Collection;
			import java.util.Collections;
			import java.util.Comparator;
			import java.util.LinkedHashSet;
			import java.util.List;
			import java.util.Set;
			import java.util.regex.PatternSyntaxException;

			/**
			@@ -31,6 +44,8 @@
			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 +138,7 @@
			* @param values
			* @return flattened list
			*/
			public static String flattenStrings(List<String> values) {
			public static String flattenStrings(Collection<String> values) {
			return flattenStrings(values, " ");
			}

			@@ -135,10 +150,14 @@
			* @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();
			}
			@@ -157,16 +176,6 @@
			return value;
			}
			return value.substring(0, max - 3) + "...";
			}

			/**
			* Returns a trimmed shortlog message.
			*
			* @param string
			* @return trimmed shortlog message
			*/
			public static String trimShortLog(String string) {
			return trimString(string, 60);
			}

			/**
			@@ -328,18 +337,259 @@
			* @return list of strings
			*/
			public static List<String> getStringsFromValue(String value, String separator) {
			List<String> strings = new ArrayList<String>();
			try {
			String[] chunks = value.split(separator);
			for (String chunk : chunks) {
			chunk = chunk.trim();
			if (chunk.length() > 0) {
			strings.add(chunk);
			List<String> strings = new ArrayList<String>();
			try {
			String[] chunks = value.split(separator + "(?=([^\"]\"[^\"]\")[^\"]$)");
			for (String chunk : chunks) {
			chunk = chunk.trim();
			if (chunk.length() > 0) {
			if (chunk.charAt(0) == '"' && chunk.charAt(chunk.length() - 1) == '"') {
			// strip double quotes
			chunk = chunk.substring(1, chunk.length() - 1).trim();
			}
			strings.add(chunk);
			}
			}
			} catch (PatternSyntaxException e) {
			throw new RuntimeException(e);
			}
			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;
			}
			}
			} catch (PatternSyntaxException e) {
			throw new RuntimeException(e);
			}
			return strings;
			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;
			}

			/**
			* Strips a trailing ".git" from the value.
			*
			* @param value
			* @return a stripped value or the original value if .git is not found
			*/
			public static String stripDotGit(String value) {
			if (value.toLowerCase().endsWith(".git")) {
			return value.substring(0, value.length() - 4);
			}
			return value;
			}

			/**
			* Count the number of lines in a string.
			*
			* @param value
			* @return the line count
			*/
			public static int countLines(String value) {
			if (isEmpty(value)) {
			return 0;
			}
			return value.split("\n").length;
			}

			/**
			* Returns the file extension of a path.
			*
			* @param path
			* @return a blank string or a file extension
			*/
			public static String getFileExtension(String path) {
			int lastDot = path.lastIndexOf('.');
			if (lastDot > -1) {
			return path.substring(lastDot + 1);
			}
			return "";
			}

			/**
			* Replace all occurences of a substring within a string with
			* another string.
			*
			* From Spring StringUtils.
			*
			* @param inString String to examine
			* @param oldPattern String to replace
			* @param newPattern String to insert
			* @return a String with the replacements
			*/
			public static String replace(String inString, String oldPattern, String newPattern) {
			StringBuilder sb = new StringBuilder();
			int pos = 0; // our position in the old string
			int index = inString.indexOf(oldPattern);
			// the index of an occurrence we've found, or -1
			int patLen = oldPattern.length();
			while (index >= 0) {
			sb.append(inString.substring(pos, index));
			sb.append(newPattern);
			pos = index + patLen;
			index = inString.indexOf(oldPattern, pos);
			}
			sb.append(inString.substring(pos));
			// remember to append any characters to the right of a match
			return sb.toString();
			}

			/**
			* Decodes a string by trying several charsets until one does not throw a
			* coding exception. Last resort is to interpret as UTF-8 with illegal
			* character substitution.
			*
			* @param content
			* @param charsets optional
			* @return a string
			*/
			public static String decodeString(byte [] content, String... charsets) {
			Set<String> sets = new LinkedHashSet<String>();
			if (!ArrayUtils.isEmpty(charsets)) {
			sets.addAll(Arrays.asList(charsets));
			}
			sets.addAll(Arrays.asList("UTF-8", "ISO-8859-1", Charset.defaultCharset().name()));
			for (String charset : sets) {
			try {
			Charset cs = Charset.forName(charset);
			CharsetDecoder decoder = cs.newDecoder();
			CharBuffer buffer = decoder.decode(ByteBuffer.wrap(content));
			return buffer.toString();
			} catch (CharacterCodingException e) {
			// ignore and advance to the next charset
			} catch (IllegalCharsetNameException e) {
			// ignore illegal charset names
			} catch (UnsupportedCharsetException e) {
			// ignore unsupported charsets
			}
			}
			return new String(content, Charset.forName("UTF-8"));
			}
			}