githubFork/gitblit.git - Solinfo Gitblit

			@@ -15,13 +15,27 @@
			*/
			package com.gitblit.utils;

			import java.io.ByteArrayOutputStream;
			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.Matcher;
			import java.util.regex.Pattern;
			import java.util.regex.PatternSyntaxException;

			/**
			@@ -33,7 +47,7 @@
			public class StringUtils {

			public static final String MD5_TYPE = "MD5:";


			public static final String COMBINED_MD5_TYPE = "CMD5:";

			/**
			@@ -65,7 +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) == '&') {
			@@ -106,7 +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) == '/') {
			@@ -127,7 +141,7 @@
			* @param values
			* @return flattened list
			*/
			public static String flattenStrings(List<String> values) {
			public static String flattenStrings(Collection<String> values) {
			return flattenStrings(values, " ");
			}

			@@ -139,7 +153,7 @@
			* @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);
			@@ -165,16 +179,6 @@
			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);
			}

			/**
			@@ -311,11 +315,16 @@
			* @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;
			}

			/**
			@@ -336,20 +345,24 @@
			* @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);
			}
			}
			} catch (PatternSyntaxException e) {
			throw new RuntimeException(e);
			}
			return strings;
			}
			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
			@@ -359,7 +372,7 @@
			* @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;
			@@ -443,4 +456,240 @@
			}
			});
			}
			}

			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));
			}
			String value = null;
			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));
			value = buffer.toString();
			break;
			} catch (CharacterCodingException e) {
			// ignore and advance to the next charset
			} catch (IllegalCharsetNameException e) {
			// ignore illegal charset names
			} catch (UnsupportedCharsetException e) {
			// ignore unsupported charsets
			}
			}
			if (value.startsWith("\uFEFF")) {
			// strip UTF-8 BOM
			return value.substring(1);
			}
			return value;
			}

			/**
			* Attempt to extract a repository name from a given url using regular
			* expressions. If no match is made, then return whatever trails after
			* the final / character.
			*
			* @param regexUrls
			* @return a repository path
			*/
			public static String extractRepositoryPath(String url, String... urlpatterns) {
			for (String urlPattern : urlpatterns) {
			Pattern p = Pattern.compile(urlPattern);
			Matcher m = p.matcher(url);
			while (m.find()) {
			String repositoryPath = m.group(1);
			return repositoryPath;
			}
			}
			// last resort
			if (url.lastIndexOf('/') > -1) {
			return url.substring(url.lastIndexOf('/') + 1);
			}
			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;
			}
			}