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| | | package com.gitblit.utils;
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| | | import java.io.UnsupportedEncodingException;
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| | | import java.nio.ByteBuffer;
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| | | import java.nio.CharBuffer;
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| | | import java.nio.charset.CharacterCodingException;
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| | | import java.nio.charset.Charset;
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| | | import java.nio.charset.CharsetDecoder;
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| | | import java.nio.charset.IllegalCharsetNameException;
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| | | import java.nio.charset.UnsupportedCharsetException;
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| | | import java.security.MessageDigest;
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| | | import java.security.NoSuchAlgorithmException;
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| | | import java.util.ArrayList;
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| | | import java.util.Arrays;
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| | | import java.util.Collection;
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| | | import java.util.Collections;
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| | | import java.util.Comparator;
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| | | import java.util.LinkedHashSet;
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| | | import java.util.List;
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| | | import java.util.Set;
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| | | import java.util.regex.PatternSyntaxException;
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| | |
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| | | /**
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| | |
| | | public class StringUtils {
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| | |
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| | | public static final String MD5_TYPE = "MD5:";
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| | |
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| | | public static final String COMBINED_MD5_TYPE = "CMD5:";
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| | |
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| | | /**
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| | | * Returns true if the string is null or empty.
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| | |
| | | * @param values
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| | | * @return flattened list
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| | | */
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| | | public static String flattenStrings(List<String> values) {
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| | | public static String flattenStrings(Collection<String> values) {
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| | | return flattenStrings(values, " ");
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| | | }
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| | |
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| | |
| | | * @param separator
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| | | * @return flattened list
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| | | */
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| | | public static String flattenStrings(List<String> values, String separator) {
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| | | public static String flattenStrings(Collection<String> values, String separator) {
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| | | StringBuilder sb = new StringBuilder();
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| | | for (String value : values) {
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| | | sb.append(value).append(separator);
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| | | }
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| | | if (sb.length() > 0) {
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| | | // truncate trailing separator
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| | | sb.setLength(sb.length() - separator.length());
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| | | }
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| | | return sb.toString().trim();
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| | | }
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| | |
| | | return value;
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| | | }
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| | | return value.substring(0, max - 3) + "...";
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| | | }
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| | |
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| | | /**
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| | | * Returns a trimmed shortlog message.
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| | | * |
| | | * @param string
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| | | * @return trimmed shortlog message
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| | | */
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| | | public static String trimShortLog(String string) {
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| | | return trimString(string, 60);
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| | | }
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| | |
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| | | /**
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| | |
| | | * @return list of strings
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| | | */
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| | | public static List<String> getStringsFromValue(String value, String separator) {
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| | | List<String> strings = new ArrayList<String>();
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| | | try {
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| | | String[] chunks = value.split(separator);
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| | | for (String chunk : chunks) {
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| | | chunk = chunk.trim();
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| | | if (chunk.length() > 0) {
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| | | strings.add(chunk);
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| | | }
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| | | }
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| | | } catch (PatternSyntaxException e) {
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| | | throw new RuntimeException(e);
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| | | }
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| | | return strings;
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| | | }
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| | | List<String> strings = new ArrayList<String>();
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| | | try {
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| | | String[] chunks = value.split(separator + "(?=([^\"]*\"[^\"]*\")*[^\"]*$)"); |
| | | for (String chunk : chunks) {
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| | | chunk = chunk.trim();
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| | | if (chunk.length() > 0) {
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| | | if (chunk.charAt(0) == '"' && chunk.charAt(chunk.length() - 1) == '"') {
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| | | // strip double quotes
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| | | chunk = chunk.substring(1, chunk.length() - 1).trim();
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| | | }
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| | | strings.add(chunk);
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| | | }
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| | | }
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| | | } catch (PatternSyntaxException e) {
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| | | throw new RuntimeException(e);
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| | | }
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| | | return strings;
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| | | }
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| | |
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| | | /**
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| | | * Validates that a name is composed of letters, digits, or limited other
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| | |
| | | }
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| | | return false;
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| | | }
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| | | }
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| | |
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| | | /**
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| | | * Compare two repository names for proper group sorting.
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| | | * |
| | | * @param r1
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| | | * @param r2
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| | | * @return
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| | | */
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| | | public static int compareRepositoryNames(String r1, String r2) {
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| | | // sort root repositories first, alphabetically
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| | | // then sort grouped repositories, alphabetically
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| | | int s1 = r1.indexOf('/');
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| | | int s2 = r2.indexOf('/');
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| | | if (s1 == -1 && s2 == -1) {
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| | | // neither grouped
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| | | return r1.compareTo(r2);
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| | | } else if (s1 > -1 && s2 > -1) {
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| | | // both grouped
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| | | return r1.compareTo(r2);
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| | | } else if (s1 == -1) {
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| | | return -1;
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| | | } else if (s2 == -1) {
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| | | return 1;
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| | | }
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| | | return 0;
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| | | }
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| | |
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| | | /**
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| | | * Sort grouped repository names.
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| | | * |
| | | * @param list
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| | | */
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| | | public static void sortRepositorynames(List<String> list) {
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| | | Collections.sort(list, new Comparator<String>() {
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| | | @Override
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| | | public int compare(String o1, String o2) {
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| | | return compareRepositoryNames(o1, o2);
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| | | }
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| | | });
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| | | }
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| | |
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| | | public static String getColor(String value) {
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| | | int cs = 0;
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| | | for (char c : getMD5(value.toLowerCase()).toCharArray()) {
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| | | cs += c;
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| | | }
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| | | int n = (cs % 360); |
| | | float hue = ((float) n) / 360;
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| | | return hsvToRgb(hue, 0.90f, 0.65f);
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| | | }
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| | |
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| | | public static String hsvToRgb(float hue, float saturation, float value) {
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| | | int h = (int) (hue * 6);
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| | | float f = hue * 6 - h;
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| | | float p = value * (1 - saturation);
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| | | float q = value * (1 - f * saturation);
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| | | float t = value * (1 - (1 - f) * saturation);
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| | |
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| | | switch (h) {
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| | | case 0:
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| | | return rgbToString(value, t, p);
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| | | case 1:
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| | | return rgbToString(q, value, p);
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| | | case 2:
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| | | return rgbToString(p, value, t);
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| | | case 3:
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| | | return rgbToString(p, q, value);
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| | | case 4:
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| | | return rgbToString(t, p, value);
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| | | case 5:
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| | | return rgbToString(value, p, q);
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| | | default:
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| | | throw new RuntimeException(
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| | | "Something went wrong when converting from HSV to RGB. Input was " + hue + ", "
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| | | + saturation + ", " + value);
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| | | }
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| | | }
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| | |
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| | | public static String rgbToString(float r, float g, float b) {
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| | | String rs = Integer.toHexString((int) (r * 256));
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| | | String gs = Integer.toHexString((int) (g * 256));
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| | | String bs = Integer.toHexString((int) (b * 256));
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| | | return "#" + rs + gs + bs;
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| | | }
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| | | |
| | | /**
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| | | * Strips a trailing ".git" from the value.
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| | | * |
| | | * @param value
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| | | * @return a stripped value or the original value if .git is not found
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| | | */
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| | | public static String stripDotGit(String value) {
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| | | if (value.toLowerCase().endsWith(".git")) {
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| | | return value.substring(0, value.length() - 4);
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| | | }
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| | | return value;
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| | | }
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| | | |
| | | /**
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| | | * Count the number of lines in a string.
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| | | * |
| | | * @param value
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| | | * @return the line count
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| | | */
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| | | public static int countLines(String value) {
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| | | if (isEmpty(value)) {
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| | | return 0;
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| | | }
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| | | return value.split("\n").length;
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| | | }
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| | | |
| | | /**
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| | | * Returns the file extension of a path.
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| | | * |
| | | * @param path
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| | | * @return a blank string or a file extension
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| | | */
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| | | public static String getFileExtension(String path) {
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| | | int lastDot = path.lastIndexOf('.');
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| | | if (lastDot > -1) {
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| | | return path.substring(lastDot + 1);
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| | | }
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| | | return "";
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| | | }
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| | | |
| | | /**
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| | | * Replace all occurences of a substring within a string with
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| | | * another string.
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| | | * |
| | | * From Spring StringUtils.
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| | | * |
| | | * @param inString String to examine
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| | | * @param oldPattern String to replace
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| | | * @param newPattern String to insert
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| | | * @return a String with the replacements
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| | | */
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| | | public static String replace(String inString, String oldPattern, String newPattern) {
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| | | StringBuilder sb = new StringBuilder();
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| | | int pos = 0; // our position in the old string
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| | | int index = inString.indexOf(oldPattern);
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| | | // the index of an occurrence we've found, or -1
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| | | int patLen = oldPattern.length();
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| | | while (index >= 0) {
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| | | sb.append(inString.substring(pos, index));
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| | | sb.append(newPattern);
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| | | pos = index + patLen;
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| | | index = inString.indexOf(oldPattern, pos);
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| | | }
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| | | sb.append(inString.substring(pos));
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| | | // remember to append any characters to the right of a match
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| | | return sb.toString();
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| | | }
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| | | |
| | | /**
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| | | * Decodes a string by trying several charsets until one does not throw a
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| | | * coding exception. Last resort is to interpret as UTF-8 with illegal
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| | | * character substitution.
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| | | * |
| | | * @param content
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| | | * @param charsets optional
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| | | * @return a string
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| | | */
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| | | public static String decodeString(byte [] content, String... charsets) {
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| | | Set<String> sets = new LinkedHashSet<String>();
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| | | if (!ArrayUtils.isEmpty(charsets)) {
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| | | sets.addAll(Arrays.asList(charsets));
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| | | }
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| | | sets.addAll(Arrays.asList("UTF-8", "ISO-8859-1", Charset.defaultCharset().name()));
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| | | for (String charset : sets) {
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| | | try {
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| | | Charset cs = Charset.forName(charset);
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| | | CharsetDecoder decoder = cs.newDecoder();
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| | | CharBuffer buffer = decoder.decode(ByteBuffer.wrap(content));
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| | | return buffer.toString();
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| | | } catch (CharacterCodingException e) {
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| | | // ignore and advance to the next charset
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| | | } catch (IllegalCharsetNameException e) {
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| | | // ignore illegal charset names
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| | | } catch (UnsupportedCharsetException e) {
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| | | // ignore unsupported charsets
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| | | }
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| | | }
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| | | return new String(content, Charset.forName("UTF-8"));
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| | | }
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| | | } |