| | |
| | | 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;
|
| | |
|
| | | /**
|
| | |
| | | * @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
|
| | |
| | | }
|
| | | 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"));
|
| | | }
|
| | | } |