From 73f1adb2e84b8b9cd4045bcdd7d9afa72d3875b5 Mon Sep 17 00:00:00 2001
From: James Moger <james.moger@gitblit.com>
Date: Tue, 27 Nov 2012 17:13:03 -0500
Subject: [PATCH] Added short commit id column to log and history tables (issue 168)
---
src/com/gitblit/utils/StringUtils.java | 193 +++++++++++++++++++++++++++++++++++++++++++++---
1 files changed, 181 insertions(+), 12 deletions(-)
diff --git a/src/com/gitblit/utils/StringUtils.java b/src/com/gitblit/utils/StringUtils.java
index 2c35724..8684004 100644
--- a/src/com/gitblit/utils/StringUtils.java
+++ b/src/com/gitblit/utils/StringUtils.java
@@ -15,14 +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;
/**
@@ -66,7 +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) == '&') {
@@ -107,7 +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) == '/') {
@@ -250,13 +263,25 @@
*/
public static String getMD5(String string) {
try {
- MessageDigest md = MessageDigest.getInstance("MD5");
- md.reset();
- md.update(string.getBytes("iso-8859-1"));
- byte[] digest = md.digest();
- return toHex(digest);
+ return getMD5(string.getBytes("iso-8859-1"));
} catch (UnsupportedEncodingException u) {
throw new RuntimeException(u);
+ }
+ }
+
+ /**
+ * Calculates the MD5 of the string.
+ *
+ * @param string
+ * @return md5 of the string
+ */
+ public static String getMD5(byte [] bytes) {
+ try {
+ MessageDigest md = MessageDigest.getInstance("MD5");
+ md.reset();
+ md.update(bytes);
+ byte[] digest = md.digest();
+ return toHex(digest);
} catch (NoSuchAlgorithmException t) {
throw new RuntimeException(t);
}
@@ -302,11 +327,16 @@
* @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;
}
/**
@@ -354,7 +384,7 @@
* @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;
@@ -409,6 +439,8 @@
public static int compareRepositoryNames(String r1, String r2) {
// sort root repositories first, alphabetically
// then sort grouped repositories, alphabetically
+ r1 = r1.toLowerCase();
+ r2 = r2.toLowerCase();
int s1 = r1.indexOf('/');
int s2 = r2.indexOf('/');
if (s1 == -1 && s2 == -1) {
@@ -550,4 +582,141 @@
// 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;
+ }
+
+ /**
+ * Variation of String.matches() which disregards case issues.
+ *
+ * @param regex
+ * @param input
+ * @return true if the pattern matches
+ */
+ public static boolean matchesIgnoreCase(String input, String regex) {
+ Pattern p = Pattern.compile(regex, Pattern.CASE_INSENSITIVE);
+ Matcher m = p.matcher(input);
+ return m.matches();
+ }
}
\ No newline at end of file
--
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