一、前言
关于google的gdata-core源码包定义com.google.gdata.util.common.base.StringUtil字符串工具类、com.google.gdata.util.common.html.HtmlToText转文本处理类,HtmlToText转文本处理类依赖 StringUtil.unescapeHTML、StringUtil.fixedWidth处理等。
二、代码示例
1.StringUtil类
package com.google.gdata.util.common.base;@b@@b@import java.io.BufferedReader;@b@import java.io.ByteArrayInputStream;@b@import java.io.IOException;@b@import java.io.InputStream;@b@import java.io.InputStreamReader;@b@import java.io.OutputStream;@b@import java.io.StringWriter;@b@import java.io.UnsupportedEncodingException;@b@import java.util.ArrayList;@b@import java.util.Collection;@b@import java.util.Collections;@b@import java.util.HashMap;@b@import java.util.HashSet;@b@import java.util.Iterator;@b@import java.util.LinkedList;@b@import java.util.List;@b@import java.util.Map;@b@import java.util.Map.Entry;@b@import java.util.Set;@b@import java.util.StringTokenizer;@b@import java.util.regex.Matcher;@b@import java.util.regex.Pattern;@b@@b@public class StringUtil@b@{@b@ public static final String EMPTY_STRING = "";@b@ public static final String WHITE_SPACES = " \r\n\t ???";@b@ public static final String LINE_BREAKS = "\r\n";@b@ private static final Pattern htmlTagPattern;@b@ private static final Pattern characterReferencePattern;@b@ private static final Pattern dbSpecPattern;@b@ static Map<String, Character> escapeStrings;@b@ private static final String[] UNSAFE_TAGS;@b@ private static final Set<Character.UnicodeBlock> CJK_BLOCKS;@b@ private static char[] hexChars;@b@@b@ public static String[] split(String str, String delims)@b@ {@b@ return split(str, delims, false);@b@ }@b@@b@ public static String[] split(String str, String delims, boolean trimTokens)@b@ {@b@ StringTokenizer tokenizer = new StringTokenizer(str, delims);@b@ int n = tokenizer.countTokens();@b@ String[] list = new String[n];@b@ for (int i = 0; i < n; ++i)@b@ if (trimTokens)@b@ list[i] = tokenizer.nextToken().trim();@b@ else@b@ list[i] = tokenizer.nextToken();@b@@b@@b@ return list;@b@ }@b@@b@ public static String[] splitAndTrim(String str, String delims)@b@ {@b@ return split(str, delims, true);@b@ }@b@@b@ public static int[] splitInts(String str) throws IllegalArgumentException@b@ {@b@ StringTokenizer tokenizer = new StringTokenizer(str, ",");@b@ int n = tokenizer.countTokens();@b@ int[] list = new int[n];@b@ for (int i = 0; i < n; ++i) {@b@ String token = tokenizer.nextToken();@b@ list[i] = Integer.parseInt(token);@b@ }@b@ return list;@b@ }@b@@b@ public static long[] splitLongs(String str) throws IllegalArgumentException@b@ {@b@ StringTokenizer tokenizer = new StringTokenizer(str, ",");@b@ int n = tokenizer.countTokens();@b@ long[] list = new long[n];@b@ for (int i = 0; i < n; ++i) {@b@ String token = tokenizer.nextToken();@b@ list[i] = Long.parseLong(token);@b@ }@b@ return list;@b@ }@b@@b@ public static String joinInts(int[] tokens, String delimiter)@b@ {@b@ if (tokens == null) return "";@b@ StringBuilder result = new StringBuilder();@b@@b@ for (int i = 0; i < tokens.length; ++i) {@b@ if ((i > 0) && (delimiter != null))@b@ result.append(delimiter);@b@@b@ result.append(String.valueOf(tokens[i]));@b@ }@b@ return result.toString();@b@ }@b@@b@ public static String joinLongs(long[] tokens, String delimiter)@b@ {@b@ if (tokens == null) return "";@b@ StringBuilder result = new StringBuilder();@b@@b@ for (int i = 0; i < tokens.length; ++i) {@b@ if ((i > 0) && (delimiter != null))@b@ result.append(delimiter);@b@@b@ result.append(String.valueOf(tokens[i]));@b@ }@b@ return result.toString();@b@ }@b@@b@ @Deprecated@b@ public static String join(Object[] tokens, String delimiter)@b@ {@b@ if ((tokens == null) || (tokens.length == 0)) return "";@b@ StringBuilder result = new StringBuilder();@b@@b@ for (int i = 0; i < tokens.length; ++i) {@b@ if ((i > 0) && (delimiter != null))@b@ result.append(delimiter);@b@@b@ if (tokens[i] != null)@b@ result.append(tokens[i].toString());@b@ }@b@ return result.toString();@b@ }@b@@b@ @Deprecated@b@ public static String join(Collection tokens, String delimiter)@b@ {@b@ return join(tokens.toArray(), delimiter);@b@ }@b@@b@ @Deprecated@b@ public static String replace(String str, String what, String with)@b@ {@b@ if ((!($assertionsDisabled)) && (what.length() <= 0)) throw new AssertionError();@b@ return str.replace(what, with);@b@ }@b@@b@ public static String fixedWidth(String str, int width)@b@ {@b@ String[] lines = split(str, "\n");@b@ return fixedWidth(lines, width);@b@ }@b@@b@ public static String fixedWidth(String[] lines, int width)@b@ {@b@ StringBuilder formatStr = new StringBuilder();@b@@b@ for (int i = 0; i < lines.length; ++i) {@b@ String[] words;@b@ int j;@b@ int curWidth = 0;@b@ if (i != 0) {@b@ formatStr.append("\n");@b@ }@b@@b@ if (lines[i].length() <= width) {@b@ formatStr.append(lines[i]);@b@ }@b@ else {@b@ words = splitAndTrim(lines[i], " \r\n\t ???");@b@ for (j = 0; j < words.length; ++j)@b@ if ((curWidth == 0) || (curWidth + words[j].length() < width))@b@ {@b@ if (curWidth != 0) {@b@ formatStr.append(" ");@b@ ++curWidth;@b@ }@b@ curWidth += words[j].length();@b@ formatStr.append(words[j]);@b@ } else {@b@ formatStr.append("\n");@b@ curWidth = words[j].length();@b@ formatStr.append(words[j]);@b@ }@b@ }@b@ }@b@@b@ return formatStr.toString();@b@ }@b@@b@ public static String insertBreakingWhitespace(int lineLen, String original)@b@ {@b@ if ((original == null) || (lineLen <= 0)) throw new IllegalArgumentException();@b@@b@ int length = original.length();@b@ if (length <= lineLen)@b@ {@b@ return original; }@b@ int currPos = 0;@b@ StringBuilder retval = new StringBuilder();@b@ while (length - currPos > lineLen) {@b@ retval.append(original.substring(currPos, currPos + lineLen));@b@ currPos += lineLen;@b@ retval.append(" ");@b@ }@b@ retval.append(original.substring(currPos, length));@b@ return retval.toString();@b@ }@b@@b@ public static String indent(String iString, int iIndentDepth)@b@ {@b@ StringBuilder spacer = new StringBuilder();@b@ spacer.append("\n");@b@ for (int i = 0; i < iIndentDepth; ++i)@b@ spacer.append(" ");@b@@b@ return replace(iString, "\n", spacer.toString());@b@ }@b@@b@ @Deprecated@b@ public static String megastrip(String str, boolean left, boolean right, String what)@b@ {@b@ if (str == null) {@b@ return null;@b@ }@b@@b@ int limitLeft = 0;@b@ int limitRight = str.length() - 1;@b@@b@ while ((left) && (limitLeft <= limitRight) && (what.indexOf(str.charAt(limitLeft)) >= 0)) {@b@ ++limitLeft;@b@ }@b@@b@ while ((right) && (limitRight >= limitLeft) && (what.indexOf(str.charAt(limitRight)) >= 0))@b@ --limitRight;@b@@b@ return str.substring(limitLeft, limitRight + 1);@b@ }@b@@b@ @Deprecated@b@ public static String lstrip(String str)@b@ {@b@ return ((str == null) ? null : CharMatcher.LEGACY_WHITESPACE.trimLeadingFrom(str));@b@ }@b@@b@ @Deprecated@b@ public static String rstrip(String str)@b@ {@b@ return ((str == null) ? null : CharMatcher.LEGACY_WHITESPACE.trimTrailingFrom(str));@b@ }@b@@b@ public static String strip(String str)@b@ {@b@ return megastrip(str, true, true, " \r\n\t ???");@b@ }@b@@b@ public static String stripAndCollapse(String str)@b@ {@b@ return collapseWhitespace(strip(str));@b@ }@b@@b@ public static String stripPrefix(String str, String prefix)@b@ {@b@ return ((str.startsWith(prefix)) ? str.substring(prefix.length()) : null);@b@ }@b@@b@ public static String stripPrefixIgnoreCase(String str, String prefix)@b@ {@b@ if ((str.length() >= prefix.length()) && (str.substring(0, prefix.length()).equalsIgnoreCase(prefix)))@b@ {@b@ return str.substring(prefix.length());@b@ }@b@@b@ return null;@b@ }@b@@b@ public static String stripNonDigits(String str)@b@ {@b@ StringBuffer result = new StringBuffer(str.length());@b@ char[] arr$ = str.toCharArray(); int len$ = arr$.length; for (int i$ = 0; i$ < len$; ++i$) { char candidate = arr$[i$];@b@ if (Character.isDigit(candidate))@b@ result.append(candidate);@b@ }@b@@b@ return result.toString();@b@ }@b@@b@ public static int numSharedChars(String str, String chars)@b@ {@b@ if ((str == null) || (chars == null)) {@b@ return 0;@b@ }@b@@b@ int total = 0; int pos = -1;@b@ while ((pos = indexOfChars(str, chars, pos + 1)) != -1) {@b@ ++total;@b@ }@b@@b@ return total;@b@ }@b@@b@ public static int indexOfChars(String str, String chars, int fromIndex)@b@ {@b@ int len = str.length();@b@@b@ for (int pos = fromIndex; pos < len; ++pos) {@b@ if (chars.indexOf(str.charAt(pos)) >= 0)@b@ return pos;@b@@b@ }@b@@b@ return -1;@b@ }@b@@b@ public static int indexOfChars(String str, String chars)@b@ {@b@ return indexOfChars(str, chars, 0);@b@ }@b@@b@ public static int lastIndexNotOf(String str, String chars, int fromIndex)@b@ {@b@ fromIndex = Math.min(fromIndex, str.length() - 1);@b@@b@ for (int pos = fromIndex; pos >= 0; --pos) {@b@ if (chars.indexOf(str.charAt(pos)) < 0)@b@ return pos;@b@@b@ }@b@@b@ return -1;@b@ }@b@@b@ public static String replaceChars(String str, String oldchars, char newchar)@b@ {@b@ int pos = indexOfChars(str, oldchars);@b@ if (pos == -1) {@b@ return str;@b@ }@b@@b@ StringBuilder buf = new StringBuilder(str);@b@ do {@b@ buf.setCharAt(pos, newchar);@b@ pos = indexOfChars(str, oldchars, pos + 1); }@b@ while (pos != -1);@b@@b@ return buf.toString();@b@ }@b@@b@ public static String removeChars(String str, String oldchars)@b@ {@b@ int pos = indexOfChars(str, oldchars);@b@ if (pos == -1) {@b@ return str;@b@ }@b@@b@ StringBuilder buf = new StringBuilder();@b@ int start = 0;@b@ do {@b@ buf.append(str.substring(start, pos));@b@ start = pos + 1;@b@ pos = indexOfChars(str, oldchars, start); }@b@ while (pos != -1);@b@@b@ if (start < str.length())@b@ buf.append(str.substring(start));@b@@b@ return buf.toString();@b@ }@b@@b@ public static String retainAllChars(String str, String retainChars)@b@ {@b@ int pos = indexOfChars(str, retainChars);@b@ if (pos == -1)@b@ return "";@b@@b@ StringBuilder buf = new StringBuilder();@b@ do {@b@ buf.append(str.charAt(pos));@b@ pos = indexOfChars(str, retainChars, pos + 1); }@b@ while (pos != -1);@b@ return buf.toString();@b@ }@b@@b@ public static String replaceSmartQuotes(String str)@b@ {@b@ str = replaceChars(str, "??‘’", '\'');@b@ str = replaceChars(str, "??“”", '"');@b@ return str;@b@ }@b@@b@ public static byte[] hexToBytes(String str)@b@ {@b@ byte[] bytes = new byte[(str.length() + 1) / 2];@b@ if (str.length() == 0)@b@ return bytes;@b@@b@ bytes[0] = 0;@b@ int nibbleIdx = str.length() % 2;@b@ for (int i = 0; i < str.length(); ++i) {@b@ char c = str.charAt(i);@b@ if (!(isHex(c)))@b@ throw new IllegalArgumentException("string contains non-hex chars");@b@@b@ if (nibbleIdx % 2 == 0) {@b@ bytes[(nibbleIdx >> 1)] = (byte)(hexValue(c) << 4);@b@ } else {@b@ int tmp92_91 = (nibbleIdx >> 1);@b@ byte[] tmp92_88 = bytes; tmp92_88[tmp92_91] = (byte)(tmp92_88[tmp92_91] + (byte)hexValue(c));@b@ }@b@ ++nibbleIdx;@b@ }@b@ return bytes;@b@ }@b@@b@ public static String convertEOLToLF(String input)@b@ {@b@ StringBuilder res = new StringBuilder(input.length());@b@ char[] s = input.toCharArray();@b@ int from = 0;@b@ int end = s.length;@b@ for (int i = 0; i < end; ++i)@b@ if (s[i] == '\r') {@b@ res.append(s, from, i - from);@b@ res.append('\n');@b@ if ((i + 1 < end) && (s[(i + 1)] == '\n')) {@b@ ++i;@b@ }@b@@b@ from = i + 1;@b@ }@b@@b@@b@ if (from == 0) {@b@ return input;@b@ }@b@@b@ res.append(s, from, end - from);@b@ return res.toString();@b@ }@b@@b@ @Deprecated@b@ public static String convertEOLToCRLF(String input) {@b@ return input.replaceAll("(\r\n|\r|\n)", "\r\n");@b@ }@b@@b@ public static String padLeft(String s, int len, char pad_ch)@b@ {@b@ if (s.length() >= len)@b@ return s;@b@@b@ StringBuilder sb = new StringBuilder();@b@ int n = len - s.length();@b@ for (int i = 0; i < n; ++i)@b@ sb.append(pad_ch);@b@@b@ sb.append(s);@b@ return sb.toString();@b@ }@b@@b@ public static String padRight(String s, int len, char pad_ch)@b@ {@b@ if (s.length() >= len)@b@ return s;@b@@b@ StringBuilder sb = new StringBuilder();@b@ int n = len - s.length();@b@ sb.append(s);@b@ for (int i = 0; i < n; ++i)@b@ sb.append(pad_ch);@b@@b@ return sb.toString();@b@ }@b@@b@ public static String maskLeft(String s, int len, char mask_ch)@b@ {@b@ if (len <= 0)@b@ return s;@b@@b@ len = Math.min(len, s.length());@b@ StringBuilder sb = new StringBuilder();@b@ for (int i = 0; i < len; ++i)@b@ sb.append(mask_ch);@b@@b@ sb.append(s.substring(len));@b@ return sb.toString();@b@ }@b@@b@ public static String maskRight(String s, int len, char mask_ch)@b@ {@b@ if (len <= 0)@b@ return s;@b@@b@ len = Math.min(len, s.length());@b@ StringBuilder sb = new StringBuilder();@b@ sb.append(s.substring(0, s.length() - len));@b@ for (int i = 0; i < len; ++i)@b@ sb.append(mask_ch);@b@@b@ return sb.toString();@b@ }@b@@b@ private static boolean isOctal(char c) {@b@ return ((c >= '0') && (c <= '7'));@b@ }@b@@b@ private static boolean isHex(char c) {@b@ return (((c >= '0') && (c <= '9')) || ((c >= 'a') && (c <= 'f')) || ((c >= 'A') && (c <= 'F')));@b@ }@b@@b@ private static int hexValue(char c)@b@ {@b@ if ((c >= '0') && (c <= '9'))@b@ return (c - '0');@b@ if ((c >= 'a') && (c <= 'f'))@b@ return (c - 'a' + 10);@b@@b@ return (c - 'A' + 10);@b@ }@b@@b@ public static String unescapeCString(String s)@b@ {@b@ if (s.indexOf(92) < 0)@b@ {@b@ return s;@b@ }@b@@b@ StringBuilder sb = new StringBuilder();@b@ int len = s.length();@b@ for (int i = 0; i < len; ) {@b@ char c = s.charAt(i++);@b@ if ((c == '\\') && (i < len)) {@b@ c = s.charAt(i++);@b@ switch (c) {@b@ case 'a':@b@ c = '\7'; break;@b@ case 'b':@b@ c = '\b'; break;@b@ case 'f':@b@ c = '\f'; break;@b@ case 'n':@b@ c = '\n'; break;@b@ case 'r':@b@ c = '\r'; break;@b@ case 't':@b@ c = '\t'; break;@b@ case 'v':@b@ c = '\11'; break;@b@ case '\\':@b@ c = '\\'; break;@b@ case '?':@b@ c = '?'; break;@b@ case '\'':@b@ c = '\''; break;@b@ case '"':@b@ c = '"'; break;@b@ default:@b@ int v;@b@ if ((c == 'x') && (i < len) && (isHex(s.charAt(i))))@b@ {@b@ v = hexValue(s.charAt(i++));@b@ if ((i < len) && (isHex(s.charAt(i))))@b@ v = v * 16 + hexValue(s.charAt(i++));@b@@b@ c = (char)v;@b@ } else if (isOctal(c))@b@ {@b@ v = c - '0';@b@ if ((i < len) && (isOctal(s.charAt(i))))@b@ v = v * 8 + s.charAt(i++) - '0';@b@@b@ if ((i < len) && (isOctal(s.charAt(i))))@b@ v = v * 8 + s.charAt(i++) - '0';@b@@b@ c = (char)v;@b@ }@b@ else {@b@ sb.append('\\');@b@ }@b@ }@b@@b@ }@b@@b@ sb.append(c);@b@ }@b@ return sb.toString();@b@ }@b@@b@ public static String unescapeMySQLString(String s)@b@ throws IllegalArgumentException@b@ {@b@ char[] chars = s.toCharArray();@b@@b@ if ((chars.length < 2) || (chars[0] != chars[(chars.length - 1)]) || ((chars[0] != '\'') && (chars[0] != '"')))@b@ {@b@ throw new IllegalArgumentException("not a valid MySQL string: " + s);@b@ }@b@@b@ int j = 1;@b@ int f = 0;@b@ for (int i = 1; i < chars.length - 1; ++i)@b@ if (f == 0) {@b@ if (chars[i] == '\\')@b@ f = 1;@b@ else if (chars[i] == chars[0])@b@ f = 2;@b@ else@b@ chars[(j++)] = chars[i];@b@ }@b@ else if (f == 1) {@b@ switch (chars[i]) {@b@ case '0':@b@ chars[(j++)] = '; break;@b@ case '\'':@b@ chars[(j++)] = '\''; break;@b@ case '"':@b@ chars[(j++)] = '"'; break;@b@ case 'b':@b@ chars[(j++)] = '\b'; break;@b@ case 'n':@b@ chars[(j++)] = '\n'; break;@b@ case 'r':@b@ chars[(j++)] = '\r'; break;@b@ case 't':@b@ chars[(j++)] = '\t'; break;@b@ case 'z':@b@ chars[(j++)] = '\26'; break;@b@ case '\\':@b@ chars[(j++)] = '\\'; break;@b@ default:@b@ chars[(j++)] = chars[i];@b@ }@b@@b@ f = 0;@b@ }@b@ else {@b@ if (chars[i] != chars[0])@b@ throw new IllegalArgumentException("not a valid MySQL string: " + s);@b@@b@ chars[(j++)] = chars[0];@b@ f = 0;@b@ }@b@@b@@b@ if (f != 0) {@b@ throw new IllegalArgumentException("not a valid MySQL string: " + s);@b@ }@b@@b@ return new String(chars, 1, j - 1);@b@ }@b@@b@ public static final String unescapeHTML(String s)@b@ {@b@ char[] chars = s.toCharArray();@b@ char[] escaped = new char[chars.length];@b@@b@ int pos = 0;@b@@b@ int i = 0;@b@ while (true) { while (true) { if (i >= chars.length) break label344;@b@ if (chars[i] == '&') break;@b@ escaped[(pos++)] = chars[(i++)];@b@ }@b@@b@ int j = i + 1;@b@ if ((j < chars.length) && (chars[j] == '#')) {@b@ ++j;@b@ }@b@@b@ for (; j < chars.length; ++j)@b@ if (!(Character.isLetterOrDigit(chars[j])))@b@ break;@b@@b@@b@ boolean replaced = false;@b@ if ((j < chars.length) && (chars[j] == ';')) {@b@ if (s.charAt(i + 1) == '#') {@b@ try {@b@ long charcode = 0L;@b@ char ch = s.charAt(i + 2);@b@ if ((ch == 'x') || (ch == 'X')) {@b@ charcode = Long.parseLong(new String(chars, i + 3, j - i - 3), 16);@b@ }@b@ else if (Character.isDigit(ch))@b@ charcode = Long.parseLong(new String(chars, i + 2, j - i - 2));@b@@b@ if ((charcode > 0L) && (charcode < 65536L)) {@b@ escaped[(pos++)] = (char)(int)charcode;@b@ replaced = true;@b@ }@b@ }@b@ catch (NumberFormatException ex) {@b@ }@b@ }@b@ else {@b@ String key = new String(chars, i, j - i + 1);@b@ Character repl = (Character)escapeStrings.get(key);@b@ if (repl != null) {@b@ escaped[(pos++)] = repl.charValue();@b@ replaced = true;@b@ }@b@ }@b@ ++j;@b@ }@b@@b@ if (!(replaced))@b@ {@b@ System.arraycopy(chars, i, escaped, pos, j - i);@b@ pos += j - i;@b@ }@b@ i = j;@b@ }@b@ label344: return new String(escaped, 0, pos);@b@ }@b@@b@ public static String stripHtmlTags(String string)@b@ {@b@ if ((string == null) || ("".equals(string)))@b@ return string;@b@@b@ return htmlTagPattern.matcher(string).replaceAll("");@b@ }@b@@b@ public static String pythonEscape(String s)@b@ {@b@ StringBuilder sb = new StringBuilder();@b@ for (int i = 0; i < s.length(); ++i) {@b@ char c = s.charAt(i);@b@ switch (c) {@b@ case '\n':@b@ sb.append("\\n"); break;@b@ case '\r':@b@ sb.append("\\r"); break;@b@ case '\t':@b@ sb.append("\\t"); break;@b@ case '\\':@b@ sb.append("\\\\"); break;@b@ case '"':@b@ sb.append("\\\""); break;@b@ case '\'':@b@ sb.append("\\'"); break;@b@ default:@b@ sb.append(c);@b@ }@b@ }@b@ return sb.toString();@b@ }@b@@b@ public static String javaScriptEscape(String s)@b@ {@b@ return javaScriptEscapeHelper(s, false);@b@ }@b@@b@ public static String javaScriptEscapeToAscii(String s)@b@ {@b@ return javaScriptEscapeHelper(s, true);@b@ }@b@@b@ private static String javaScriptEscapeHelper(String s, boolean escapeToAscii)@b@ {@b@ StringBuilder sb = new StringBuilder(s.length() * 9 / 8);@b@ for (int i = 0; i < s.length(); ++i) {@b@ char c = s.charAt(i);@b@ switch (c) {@b@ case '\n':@b@ sb.append("\\n"); break;@b@ case '\r':@b@ sb.append("\\r"); break;@b@ case '\t':@b@ sb.append("\\t"); break;@b@ case '\\':@b@ sb.append("\\\\"); break;@b@ case '"':@b@ sb.append("\\\""); break;@b@ case '\'':@b@ sb.append("\\'"); break;@b@ case '=':@b@ appendHexJavaScriptRepresentation(sb, c); break;@b@ case '/':@b@ case '<':@b@ boolean isUnsafe = false;@b@ String[] arr$ = UNSAFE_TAGS; int len$ = arr$.length; for (int i$ = 0; i$ < len$; ++i$) { String tag = arr$[i$];@b@ if (s.regionMatches(true, i + 1, tag, 0, tag.length())) {@b@ isUnsafe = true;@b@ break;@b@ }@b@ }@b@ if (isUnsafe)@b@ appendHexJavaScriptRepresentation(sb, c);@b@ else@b@ sb.append(c);@b@@b@ break;@b@ case '>':@b@ if ((sb.length() > 0) && (sb.charAt(sb.length() - 1) == '-'))@b@ sb.append('\\');@b@@b@ sb.append(c);@b@ break;@b@ case '?':@b@ sb.append("\\u2028"); break;@b@ case '?':@b@ sb.append("\\u2029"); break;@b@ default:@b@ if ((c >= 128) && (escapeToAscii))@b@ appendHexJavaScriptRepresentation(sb, c);@b@ else@b@ sb.append(c);@b@ }@b@ }@b@@b@ return sb.toString();@b@ }@b@@b@ public static void appendHexJavaScriptRepresentation(StringBuilder sb, char c)@b@ {@b@ sb.append("\\u");@b@ String val = Integer.toHexString(c);@b@ for (int j = val.length(); j < 4; ++j)@b@ sb.append('0');@b@@b@ sb.append(val);@b@ }@b@@b@ public static String javaScriptUnescape(String s)@b@ {@b@ StringBuilder sb = new StringBuilder(s.length());@b@ for (int i = 0; i < s.length(); ) {@b@ char c = s.charAt(i);@b@ if (c == '\\') {@b@ i = javaScriptUnescapeHelper(s, i + 1, sb);@b@ } else {@b@ sb.append(c);@b@ ++i;@b@ }@b@ }@b@ return sb.toString();@b@ }@b@@b@ private static int javaScriptUnescapeHelper(String s, int i, StringBuilder sb)@b@ {@b@ if (i >= s.length()) {@b@ throw new IllegalArgumentException("End-of-string after escape character in [" + s + "]");@b@ }@b@@b@ char c = s.charAt(i++);@b@ switch (c) { case 'n':@b@ sb.append('\n'); break;@b@ case 'r':@b@ sb.append('\r'); break;@b@ case 't':@b@ sb.append('\t'); break;@b@ case '"':@b@ case '\'':@b@ case '>':@b@ case '\\':@b@ sb.append(c);@b@ break;@b@ case 'u':@b@ String hexCode;@b@ int unicodeValue;@b@ try { hexCode = s.substring(i, i + 4);@b@ } catch (IndexOutOfBoundsException ioobe) {@b@ throw new IllegalArgumentException("Invalid unicode sequence [" + s.substring(i) + "] at index " + i + " in [" + s + "]");@b@ }@b@@b@ try@b@ {@b@ unicodeValue = Integer.parseInt(hexCode, 16);@b@ } catch (NumberFormatException nfe) {@b@ throw new IllegalArgumentException("Invalid unicode sequence [" + hexCode + "] at index " + i + " in [" + s + "]");@b@ }@b@@b@ sb.append((char)unicodeValue);@b@ i += 4;@b@ break;@b@ default:@b@ throw new IllegalArgumentException("Unknown escape code [" + c + "] at index " + i + " in [" + s + "]");@b@ }@b@@b@ return i;@b@ }@b@@b@ public static String xmlContentEscape(String s)@b@ {@b@ StringBuilder sb = new StringBuilder();@b@ for (int i = 0; i < s.length(); ++i) {@b@ char c = s.charAt(i);@b@ switch (c) {@b@ case '&':@b@ sb.append("&"); break;@b@ case '<':@b@ sb.append("<"); break;@b@ case '\0':@b@ case '\1':@b@ case '\2':@b@ case '\3':@b@ case '\4':@b@ case '\5':@b@ case '\6':@b@ case '\7':@b@ case '\b':@b@ case '\11':@b@ case '\f':@b@ case '\14':@b@ case '\15':@b@ case '\16':@b@ case '\17':@b@ case '\18':@b@ case '\19':@b@ case '\20':@b@ case '\21':@b@ case '\22':@b@ case '\23':@b@ case '\24':@b@ case '\25':@b@ case '\26':@b@ case '\27':@b@ case '\28':@b@ case '\29':@b@ case '\30':@b@ case '\31':@b@ break;@b@ case '\t':@b@ case '\n':@b@ case '\r':@b@ case ' ':@b@ case '!':@b@ case '"':@b@ case '#':@b@ case '$':@b@ case '%':@b@ case '\'':@b@ case '(':@b@ case ')':@b@ case '*':@b@ case '+':@b@ case ',':@b@ case '-':@b@ case '.':@b@ case '/':@b@ case '0':@b@ case '1':@b@ case '2':@b@ case '3':@b@ case '4':@b@ case '5':@b@ case '6':@b@ case '7':@b@ case '8':@b@ case '9':@b@ case ':':@b@ case ';':@b@ default:@b@ sb.append(c);@b@ }@b@ }@b@ return sb.toString();@b@ }@b@@b@ public static String xmlSingleQuotedEscape(String s)@b@ {@b@ StringBuilder sb = new StringBuilder();@b@ for (int i = 0; i < s.length(); ++i) {@b@ char c = s.charAt(i);@b@ switch (c) {@b@ case '\'':@b@ sb.append("""); break;@b@ case '&':@b@ sb.append("&"); break;@b@ case '<':@b@ sb.append("<"); break;@b@ case '\n':@b@ sb.append("
"); break;@b@ case '\0':@b@ case '\1':@b@ case '\2':@b@ case '\3':@b@ case '\4':@b@ case '\5':@b@ case '\6':@b@ case '\7':@b@ case '\b':@b@ case '\11':@b@ case '\f':@b@ case '\14':@b@ case '\15':@b@ case '\16':@b@ case '\17':@b@ case '\18':@b@ case '\19':@b@ case '\20':@b@ case '\21':@b@ case '\22':@b@ case '\23':@b@ case '\24':@b@ case '\25':@b@ case '\26':@b@ case '\27':@b@ case '\28':@b@ case '\29':@b@ case '\30':@b@ case '\31':@b@ break;@b@ case '\t':@b@ case '\r':@b@ case ' ':@b@ case '!':@b@ case '"':@b@ case '#':@b@ case '$':@b@ case '%':@b@ case '(':@b@ case ')':@b@ case '*':@b@ case '+':@b@ case ',':@b@ case '-':@b@ case '.':@b@ case '/':@b@ case '0':@b@ case '1':@b@ case '2':@b@ case '3':@b@ case '4':@b@ case '5':@b@ case '6':@b@ case '7':@b@ case '8':@b@ case '9':@b@ case ':':@b@ case ';':@b@ default:@b@ sb.append(c);@b@ }@b@ }@b@ return sb.toString();@b@ }@b@@b@ public static String javaEscape(String s)@b@ {@b@ StringBuilder sb = new StringBuilder();@b@ for (int i = 0; i < s.length(); ++i) {@b@ char c = s.charAt(i);@b@ switch (c) {@b@ case '\n':@b@ sb.append("\\n"); break;@b@ case '\r':@b@ sb.append("\\r"); break;@b@ case '\t':@b@ sb.append("\\t"); break;@b@ case '\\':@b@ sb.append("\\\\"); break;@b@ case '"':@b@ sb.append("\\\""); break;@b@ case '&':@b@ sb.append("&"); break;@b@ case '<':@b@ sb.append("<"); break;@b@ case '>':@b@ sb.append(">"); break;@b@ case '\'':@b@ sb.append("\\'"); break;@b@ default:@b@ sb.append(c);@b@ }@b@ }@b@ return sb.toString();@b@ }@b@@b@ public static String javaEscapeWithinAttribute(String s)@b@ {@b@ StringBuilder sb = new StringBuilder();@b@ for (int i = 0; i < s.length(); ++i) {@b@ char c = s.charAt(i);@b@ switch (c) {@b@ case '\n':@b@ sb.append("\\n"); break;@b@ case '\r':@b@ sb.append("\\r"); break;@b@ case '\t':@b@ sb.append("\\t"); break;@b@ case '\\':@b@ sb.append("\\\\"); break;@b@ case '"':@b@ sb.append("""); break;@b@ case '&':@b@ sb.append("&"); break;@b@ case '<':@b@ sb.append("<"); break;@b@ case '>':@b@ sb.append(">"); break;@b@ case '\'':@b@ sb.append("\\'"); break;@b@ default:@b@ sb.append(c);@b@ }@b@ }@b@ return sb.toString();@b@ }@b@@b@ public static String xmlEscape(String s)@b@ {@b@ StringBuilder sb = new StringBuilder();@b@ for (int i = 0; i < s.length(); ++i) {@b@ char ch = s.charAt(i);@b@ switch (ch)@b@ {@b@ case '"':@b@ sb.append(""");@b@ break;@b@ case '&':@b@ sb.append("&");@b@ break;@b@ case '\'':@b@ sb.append("'");@b@ break;@b@ case '<':@b@ sb.append("<");@b@ break;@b@ case '>':@b@ sb.append(">");@b@ break;@b@ case '\n':@b@ sb.append("
");@b@ break;@b@ case '\r':@b@ sb.append("
");@b@ break;@b@ case '\t':@b@ sb.append("	");@b@ break;@b@ case '\0':@b@ break;@b@ default:@b@ sb.append(ch);@b@ }@b@ }@b@@b@ return sb.toString();@b@ }@b@@b@ public static String htmlEscape(String s)@b@ {@b@ StringBuilder sb = null;@b@@b@ int start = 0;@b@ for (int i = 0; i < s.length(); ++i) {@b@ String replacement;@b@ switch (s.charAt(i))@b@ {@b@ case '"':@b@ replacement = """;@b@ break;@b@ case '&':@b@ replacement = "&";@b@ break;@b@ case '<':@b@ replacement = "<";@b@ break;@b@ case '>':@b@ replacement = ">";@b@ break;@b@ default:@b@ replacement = null;@b@ }@b@@b@ if (replacement != null) {@b@ if (sb == null)@b@ {@b@ sb = new StringBuilder(s.length() + replacement.length() - 1);@b@ }@b@ if (i > start)@b@ {@b@ sb.append(s.substring(start, i));@b@ }@b@ sb.append(replacement);@b@ start = i + 1;@b@ }@b@ }@b@@b@ if (start > 0) {@b@ sb.append(s.substring(start));@b@ }@b@@b@ if (sb != null)@b@ return sb.toString();@b@@b@ return s;@b@ }@b@@b@ public static String regexEscape(String s)@b@ {@b@ StringBuilder sb = new StringBuilder();@b@@b@ for (int i = 0; i < s.length(); ++i) {@b@ char c = s.charAt(i);@b@@b@ if ("()|*+?.{}[]$^\\".indexOf(c) != -1) {@b@ sb.append('\\');@b@ sb.append(c);@b@ }@b@ else {@b@ sb.append(c);@b@ }@b@ }@b@@b@ return sb.toString();@b@ }@b@@b@ public static String javaUtilRegexEscape(String s)@b@ {@b@ if (s.indexOf("\\E") == -1) {@b@ return "\\Q" + s + "\\E";@b@ }@b@@b@ StringBuilder sb = new StringBuilder();@b@ for (int i = 0; i < s.length(); ++i) {@b@ sb.append('\\');@b@ sb.append(s.charAt(i));@b@ }@b@@b@ return sb.toString();@b@ }@b@@b@ public static String regexReplacementEscape(String s)@b@ {@b@ StringBuilder sb = null;@b@@b@ int i = 0; for (int n = s.length(); i < n; ++i) {@b@ char c = s.charAt(i);@b@@b@ switch (c)@b@ {@b@ case '$':@b@ case '\\':@b@ if (sb == null)@b@ {@b@ sb = new StringBuilder(s.substring(0, i));@b@ }@b@ sb.append('\\');@b@ }@b@ if (sb != null) {@b@ sb.append(c);@b@ }@b@@b@ }@b@@b@ return ((sb == null) ? s : sb.toString());@b@ }@b@@b@ public static String cropBetween(String in, char limit)@b@ {@b@ return cropBetween(in, String.valueOf(new char[] { limit }));@b@ }@b@@b@ public static String cropBetween(String in, String limit)@b@ {@b@ StringBuilder out = new StringBuilder();@b@ int lastPos = 0;@b@ int lenLimit = limit.length();@b@ boolean modeAdd = true;@b@ int pos = -1;@b@ while ((pos = in.indexOf(limit, lastPos)) >= 0) {@b@ if (modeAdd)@b@ out.append(in.substring(lastPos, pos));@b@@b@ modeAdd = !(modeAdd);@b@ lastPos = pos + lenLimit;@b@ }@b@@b@ if (modeAdd) {@b@ out.append(in.substring(lastPos));@b@ }@b@@b@ return out.toString();@b@ }@b@@b@ public static LinkedList<String> string2List(String in, String delimiter, boolean doStrip)@b@ {@b@ if (in == null) {@b@ return null;@b@ }@b@@b@ LinkedList out = new LinkedList();@b@ string2Collection(in, delimiter, doStrip, out);@b@ return out;@b@ }@b@@b@ public static Set string2Set(String in, String delimiter, boolean doStrip)@b@ {@b@ if (in == null) {@b@ return null;@b@ }@b@@b@ HashSet out = new HashSet();@b@ string2Collection(in, delimiter, doStrip, out);@b@ return out;@b@ }@b@@b@ public static Collection<String> string2Collection(String in, String delimiter, boolean doStrip, Collection<String> collection)@b@ {@b@ if (in == null)@b@ return null;@b@@b@ if (collection == null)@b@ collection = new ArrayList();@b@@b@ if ((delimiter == null) || (delimiter.length() == 0)) {@b@ collection.add(in);@b@ return collection;@b@ }@b@@b@ int fromIndex = 0;@b@@b@ while ((pos = in.indexOf(delimiter, fromIndex)) >= 0) {@b@ int pos;@b@ interim = in.substring(fromIndex, pos);@b@ if (doStrip)@b@ interim = strip(interim);@b@@b@ if ((!(doStrip)) || (interim.length() > 0)) {@b@ collection.add(interim);@b@ }@b@@b@ fromIndex = pos + delimiter.length();@b@ }@b@@b@ String interim = in.substring(fromIndex);@b@ if (doStrip)@b@ interim = strip(interim);@b@@b@ if ((!(doStrip)) || (interim.length() > 0)) {@b@ collection.add(interim);@b@ }@b@@b@ return collection;@b@ }@b@@b@ @Deprecated@b@ public static String list2String(Collection<?> in, String separator)@b@ {@b@ return Collection2String(in, separator);@b@ }@b@@b@ @Deprecated@b@ public static String Collection2String(Collection<?> in, String separator)@b@ {@b@ if (in == null)@b@ return null;@b@@b@ return Iterator2String(in.iterator(), separator);@b@ }@b@@b@ @Deprecated@b@ public static String Iterator2String(Iterator<?> it, String separator)@b@ {@b@ if (it == null) {@b@ return null;@b@ }@b@@b@ StringBuilder out = new StringBuilder();@b@ while (it.hasNext()) {@b@ if (out.length() > 0)@b@ out.append(separator);@b@@b@ out.append(it.next().toString());@b@ }@b@@b@ return out.toString();@b@ }@b@@b@ public static HashMap<String, String> string2Map(String in, String delimEntry, String delimKey, boolean doStripEntry)@b@ {@b@ if (in == null) {@b@ return null;@b@ }@b@@b@ HashMap out = new HashMap();@b@@b@ if ((isEmpty(delimEntry)) || (isEmpty(delimKey))) {@b@ out.put(strip(in), "");@b@ return out;@b@ }@b@@b@ Iterator it = string2List(in, delimEntry, false).iterator();@b@ int len = delimKey.length();@b@ while (it.hasNext()) {@b@ String entry = (String)it.next();@b@ int pos = entry.indexOf(delimKey);@b@ if (pos > 0) {@b@ String value = entry.substring(pos + len);@b@ if (doStripEntry)@b@ value = strip(value);@b@@b@ out.put(strip(entry.substring(0, pos)), value);@b@ } else {@b@ out.put(strip(entry), "");@b@ }@b@ }@b@@b@ return out;@b@ }@b@@b@ public static <K, V> String map2String(Map<K, V> in, String sepKey, String sepEntry)@b@ {@b@ if (in == null) {@b@ return null;@b@ }@b@@b@ StringBuilder out = new StringBuilder();@b@ Iterator it = in.entrySet().iterator();@b@ while (it.hasNext()) {@b@ if (out.length() > 0)@b@ out.append(sepEntry);@b@@b@ Map.Entry entry = (Map.Entry)it.next();@b@ out.append(entry.getKey() + sepKey + entry.getValue());@b@ }@b@@b@ return out.toString();@b@ }@b@@b@ public static <V> Map lowercaseKeys(Map<String, V> map)@b@ {@b@ Map result = new HashMap(map.size());@b@ for (Iterator it = map.keySet().iterator(); it.hasNext(); ) {@b@ String key = (String)it.next();@b@ if (result.containsKey(key.toLowerCase())) {@b@ throw new IllegalArgumentException("Duplicate string key in map when lower casing");@b@ }@b@@b@ result.put(key.toLowerCase(), map.get(key));@b@ }@b@ return result;@b@ }@b@@b@ public static String collapseWhitespace(String str)@b@ {@b@ return collapse(str, " \r\n\t ???", " ");@b@ }@b@@b@ public static String collapse(String str, String chars, String replacement)@b@ {@b@ if (str == null) {@b@ return null;@b@ }@b@@b@ StringBuilder newStr = new StringBuilder();@b@@b@ boolean prevCharMatched = false;@b@@b@ for (int i = 0; i < str.length(); ++i) {@b@ char c = str.charAt(i);@b@ if (chars.indexOf(c) != -1)@b@ {@b@ if (prevCharMatched)@b@ {@b@ break label77:@b@ }@b@ prevCharMatched = true;@b@ newStr.append(replacement);@b@ }@b@ else {@b@ prevCharMatched = false;@b@ newStr.append(c);@b@ }@b@ }@b@@b@ label77: return newStr.toString();@b@ }@b@@b@ public static String stream2String(InputStream is, int maxLength)@b@ throws IOException@b@ {@b@ byte[] buffer = new byte[4096];@b@ StringWriter sw = new StringWriter();@b@ int totalRead = 0;@b@ int read = 0;@b@ do@b@ {@b@ sw.write(new String(buffer, 0, read));@b@ totalRead += read;@b@ read = is.read(buffer, 0, buffer.length); }@b@ while ((((-1 == maxLength) || (totalRead < maxLength))) && (read != -1));@b@@b@ return sw.toString();@b@ }@b@@b@ public static String[] parseDelimitedList(String list, char delimiter)@b@ {@b@ String delim = "" + delimiter;@b@@b@ StringTokenizer st = new StringTokenizer(list + delim + " ", delim, true);@b@@b@ ArrayList v = new ArrayList();@b@ String lastToken = "";@b@ String word = "";@b@@b@ while (st.hasMoreTokens()) {@b@ String tok = st.nextToken();@b@ if (lastToken != null)@b@ if (tok.equals(delim)) {@b@ word = word + lastToken;@b@ if (lastToken.equals(delim)) tok = null;@b@ } else {@b@ if (!(word.equals(""))) v.add(word);@b@ word = "";@b@ }@b@@b@ lastToken = tok;@b@ }@b@@b@ return ((String[])v.toArray(new String[0]));@b@ }@b@@b@ public static boolean isEmpty(String s)@b@ {@b@ return (makeSafe(s).length() == 0);@b@ }@b@@b@ public static boolean isEmptyOrWhitespace(String s)@b@ {@b@ s = makeSafe(s);@b@ int i = 0; for (int n = s.length(); i < n; ++i)@b@ if (!(Character.isWhitespace(s.charAt(i))))@b@ return false;@b@@b@@b@ return true;@b@ }@b@@b@ public static String makeSafe(String s)@b@ {@b@ return ((s == null) ? "" : s);@b@ }@b@@b@ public static String toNullIfEmpty(String s)@b@ {@b@ return ((isEmpty(s)) ? null : s);@b@ }@b@@b@ public static String toNullIfEmptyOrWhitespace(String s)@b@ {@b@ return ((isEmptyOrWhitespace(s)) ? null : s);@b@ }@b@@b@ public static String arrayMap2String(Map<String, String[]> map, String keyValueDelim, String entryDelim)@b@ {@b@ Set entrySet = map.entrySet();@b@ Iterator itor = entrySet.iterator();@b@ StringWriter sw = new StringWriter();@b@ while (itor.hasNext()) {@b@ Map.Entry entry = (Map.Entry)itor.next();@b@ String key = (String)entry.getKey();@b@ String[] values = (String[])entry.getValue();@b@ for (int i = 0; i < values.length; ++i) {@b@ sw.write(((String)entry.getKey()) + keyValueDelim + values[i]);@b@ if (i < values.length - 1)@b@ sw.write(entryDelim);@b@ }@b@@b@ if (itor.hasNext())@b@ sw.write(entryDelim);@b@ }@b@@b@ return sw.toString();@b@ }@b@@b@ public static boolean equals(String s1, String s2)@b@ {@b@ if (s1 == s2)@b@ return true;@b@@b@ if ((s1 != null) && @b@ (s2 != null)) {@b@ return s1.equals(s2);@b@ }@b@@b@ return false;@b@ }@b@@b@ public static String lastToken(String s, String delimiter)@b@ {@b@ String[] parts = split(s, delimiter);@b@ return ((parts.length == 0) ? "" : parts[(parts.length - 1)]);@b@ }@b@@b@ public static boolean allAscii(String s)@b@ {@b@ int len = s.length();@b@ for (int i = 0; i < len; ++i)@b@ if ((s.charAt(i) & 0xFF80) != 0)@b@ return false;@b@@b@@b@ return true;@b@ }@b@@b@ public static boolean containsCharRef(String s)@b@ {@b@ return characterReferencePattern.matcher(s).find();@b@ }@b@@b@ public static boolean isHebrew(String s)@b@ {@b@ int len = s.length();@b@ for (int i = 0; i < len; ++i)@b@ if (isHebrew(s.codePointAt(i)))@b@ return true;@b@@b@@b@ return false;@b@ }@b@@b@ public static boolean isHebrew(int codePoint)@b@ {@b@ return Character.UnicodeBlock.HEBREW.equals(Character.UnicodeBlock.of(codePoint));@b@ }@b@@b@ public static boolean isCjk(String s)@b@ {@b@ int len = s.length();@b@ for (int i = 0; i < len; ++i)@b@ if (isCjk(s.codePointAt(i)))@b@ return true;@b@@b@@b@ return false;@b@ }@b@@b@ public static boolean isCjk(char ch)@b@ {@b@ return isCjk(ch);@b@ }@b@@b@ public static boolean isCjk(int codePoint)@b@ {@b@ if ((codePoint & 0xFFFFFF00) == 0) {@b@ return false;@b@ }@b@@b@ return CJK_BLOCKS.contains(Character.UnicodeBlock.of(codePoint));@b@ }@b@@b@ public static String unicodeEscape(String s)@b@ {@b@ if (allAscii(s))@b@ return s;@b@@b@ StringBuilder sb = new StringBuilder(s.length());@b@ int len = s.length();@b@ for (int i = 0; i < len; ++i) {@b@ char ch = s.charAt(i);@b@ if (ch <= '') {@b@ sb.append(ch);@b@ } else {@b@ sb.append("\\u");@b@ String hexString = Integer.toHexString(ch);@b@@b@ int numZerosToPad = 4 - hexString.length();@b@ for (int j = 0; j < numZerosToPad; ++j)@b@ sb.append('0');@b@@b@ sb.append(hexString);@b@ }@b@ }@b@ return sb.toString();@b@ }@b@@b@ public static int displayWidth(String s)@b@ {@b@ int width = 0;@b@ int len = s.length();@b@ for (int i = 0; i < len; ++i)@b@ width += displayWidth(s.charAt(i));@b@@b@ return width;@b@ }@b@@b@ public static int displayWidth(char ch)@b@ {@b@ if ((ch <= 1273) || (ch == 1470) || ((ch >= 1488) && (ch <= 1514)) || (ch == 1523) || (ch == 1524) || ((ch >= 3584) && (ch <= 3711)) || ((ch >= 7680) && (ch <= 8367)) || ((ch >= 8448) && (ch <= 8506)) || ((ch >= 65377) && (ch <= 65500)))@b@ {@b@ return 1;@b@ }@b@ return 2;@b@ }@b@@b@ public static String toString(float[] iArray)@b@ {@b@ if (iArray == null) {@b@ return "NULL";@b@ }@b@@b@ StringBuilder buffer = new StringBuilder();@b@ buffer.append("[");@b@ for (int i = 0; i < iArray.length; ++i) {@b@ buffer.append(iArray[i]);@b@ if (i != iArray.length - 1)@b@ buffer.append(", ");@b@ }@b@@b@ buffer.append("]");@b@ return buffer.toString();@b@ }@b@@b@ public static String toString(long[] iArray)@b@ {@b@ if (iArray == null) {@b@ return "NULL";@b@ }@b@@b@ StringBuilder buffer = new StringBuilder();@b@ buffer.append("[");@b@ for (int i = 0; i < iArray.length; ++i) {@b@ buffer.append(iArray[i]);@b@ if (i != iArray.length - 1)@b@ buffer.append(", ");@b@ }@b@@b@ buffer.append("]");@b@ return buffer.toString();@b@ }@b@@b@ public static String toString(int[] iArray)@b@ {@b@ if (iArray == null) {@b@ return "NULL";@b@ }@b@@b@ StringBuilder buffer = new StringBuilder();@b@ buffer.append("[");@b@ for (int i = 0; i < iArray.length; ++i) {@b@ buffer.append(iArray[i]);@b@ if (i != iArray.length - 1)@b@ buffer.append(", ");@b@ }@b@@b@ buffer.append("]");@b@ return buffer.toString();@b@ }@b@@b@ public static String toString(String[] iArray)@b@ {@b@ if (iArray == null) return "NULL";@b@@b@ StringBuilder buffer = new StringBuilder();@b@ buffer.append("[");@b@ for (int i = 0; i < iArray.length; ++i) {@b@ buffer.append("'").append(iArray[i]).append("'");@b@ if (i != iArray.length - 1)@b@ buffer.append(", ");@b@ }@b@@b@ buffer.append("]");@b@@b@ return buffer.toString();@b@ }@b@@b@ public static String toString(String s)@b@ {@b@ if (s == null)@b@ return "NULL";@b@@b@ return (s.length() + 2) + "'" + s + "'";@b@ }@b@@b@ public static String toString(int[][] iArray)@b@ {@b@ if (iArray == null) {@b@ return "NULL";@b@ }@b@@b@ StringBuilder buffer = new StringBuilder();@b@ buffer.append("[");@b@ for (int i = 0; i < iArray.length; ++i) {@b@ buffer.append("[");@b@ for (int j = 0; j < iArray[i].length; ++j) {@b@ buffer.append(iArray[i][j]);@b@ if (j != iArray[i].length - 1)@b@ buffer.append(", ");@b@ }@b@@b@ buffer.append("]");@b@ if (i != iArray.length - 1)@b@ buffer.append(" ");@b@ }@b@@b@ buffer.append("]");@b@ return buffer.toString();@b@ }@b@@b@ public static String toString(long[][] iArray)@b@ {@b@ if (iArray == null) return "NULL";@b@@b@ StringBuilder buffer = new StringBuilder();@b@ buffer.append("[");@b@ for (int i = 0; i < iArray.length; ++i) {@b@ buffer.append("[");@b@ for (int j = 0; j < iArray[i].length; ++j) {@b@ buffer.append(iArray[i][j]);@b@ if (j != iArray[i].length - 1)@b@ buffer.append(", ");@b@ }@b@@b@ buffer.append("]");@b@ if (i != iArray.length - 1)@b@ buffer.append(" ");@b@ }@b@@b@ buffer.append("]");@b@ return buffer.toString();@b@ }@b@@b@ public static String toString(Object[] obj)@b@ {@b@ if (obj == null) return "NULL";@b@ StringBuilder tmp = new StringBuilder();@b@ tmp.append("[");@b@ for (int i = 0; i < obj.length; ++i) {@b@ tmp.append(obj[i].toString());@b@ if (i != obj.length - 1)@b@ tmp.append(",");@b@ }@b@@b@ tmp.append("]");@b@ return tmp.toString();@b@ }@b@@b@ public static InputStream toUTF8InputStream(String str)@b@ {@b@ InputStream is = null;@b@ try {@b@ is = new ByteArrayInputStream(str.getBytes("UTF-8"));@b@ }@b@ catch (UnsupportedEncodingException e) {@b@ throw new AssertionError();@b@ }@b@ return is;@b@ }@b@@b@ public static void copyStreams(InputStream in, OutputStream out)@b@ throws IOException@b@ {@b@ if ((in == null) || (out == null))@b@ throw new IllegalArgumentException();@b@@b@ byte[] buffer = new byte[4096];@b@@b@ while (-1 != (len = in.read(buffer, 0, buffer.length))) {@b@ int len;@b@ out.write(buffer, 0, len);@b@ }@b@ }@b@@b@ public static String bytesToLatin1(byte[] ba)@b@ {@b@ return bytesToEncoding(ba, "ISO-8859-1");@b@ }@b@@b@ public static String bytesToHexString(byte[] bytes)@b@ {@b@ return bytesToHexString(bytes, null);@b@ }@b@@b@ public static String bytesToHexString(byte[] bytes, Character delimiter)@b@ {@b@ StringBuffer hex = new StringBuffer(bytes.length * 3);@b@@b@ for (int i = 0; i < bytes.length; ++i) {@b@ int nibble1 = bytes[i] >>> 4 & 0xF;@b@ int nibble2 = bytes[i] & 0xF;@b@ if ((i > 0) && (delimiter != null)) hex.append(delimiter.charValue());@b@ hex.append(hexChars[nibble1]);@b@ hex.append(hexChars[nibble2]);@b@ }@b@ return hex.toString();@b@ }@b@@b@ public static byte[] latin1ToBytes(String str)@b@ {@b@ return encodingToBytes(str, "ISO-8859-1");@b@ }@b@@b@ public static String bytesToUtf8(byte[] ba)@b@ {@b@ return bytesToEncoding(ba, "UTF8");@b@ }@b@@b@ public static byte[] utf8ToBytes(String str)@b@ {@b@ return encodingToBytes(str, "UTF8");@b@ }@b@@b@ private static String bytesToEncoding(byte[] ba, String encoding)@b@ {@b@ if (ba == null)@b@ return null;@b@@b@ try@b@ {@b@ return new String(ba, encoding);@b@ } catch (UnsupportedEncodingException e) {@b@ throw new Error(encoding + " not supported! Original exception: " + e);@b@ }@b@ }@b@@b@ public static byte[] encodingToBytes(String str, String encoding)@b@ {@b@ if (str == null)@b@ return null;@b@@b@ try@b@ {@b@ return str.getBytes(encoding);@b@ } catch (UnsupportedEncodingException e) {@b@ throw new Error(encoding + " not supported! Original exception: " + e);@b@ }@b@ }@b@@b@ public static List<String> bytesToStringList(byte[] bytes)@b@ {@b@ List lines = new ArrayList();@b@@b@ if (bytes == null) {@b@ return lines;@b@ }@b@@b@ BufferedReader r = null;@b@ try@b@ {@b@ r = new BufferedReader(new InputStreamReader(new ByteArrayInputStream(bytes), "UTF-8"));@b@ }@b@ catch (UnsupportedEncodingException e)@b@ {@b@ throw new RuntimeException(e);@b@ }@b@ try {@b@ String line;@b@ try {@b@ for (line = r.readLine(); line != null; line = r.readLine())@b@ lines.add(line);@b@ }@b@ finally {@b@ r.close();@b@ }@b@ }@b@ catch (IOException e) {@b@ throw new RuntimeException(e);@b@ }@b@@b@ return lines;@b@ }@b@@b@ public static String toUpperCase(String src)@b@ {@b@ if (src == null)@b@ return null;@b@@b@ return src.toUpperCase();@b@ }@b@@b@ public static String expandShardNames(String dbSpecComponent)@b@ throws IllegalArgumentException, IllegalStateException@b@ {@b@ Matcher matcher = dbSpecPattern.matcher(dbSpecComponent);@b@ if (matcher.find())@b@ try {@b@ String prefix = dbSpecComponent.substring(matcher.start(1), matcher.end(1));@b@@b@ int minShard = Integer.parseInt(dbSpecComponent.substring(matcher.start(2), matcher.end(2)));@b@@b@ int maxShard = Integer.parseInt(dbSpecComponent.substring(matcher.start(3), matcher.end(3)));@b@@b@ String suffix = dbSpecComponent.substring(matcher.start(4), matcher.end(4));@b@@b@ if (minShard > maxShard) {@b@ throw new IllegalArgumentException("Maximum shard must be greater than or equal to the minimum shard");@b@ }@b@@b@ StringBuilder tmp = new StringBuilder();@b@ for (int shard = minShard; shard <= maxShard; ++shard) {@b@ tmp.append(prefix).append(shard).append(suffix);@b@ if (shard != maxShard)@b@ tmp.append(",");@b@ }@b@@b@ return tmp.toString();@b@ } catch (NumberFormatException nfex) {@b@ throw new IllegalArgumentException("Malformed DB specification component: " + dbSpecComponent);@b@ }@b@@b@@b@ return dbSpecComponent;@b@ }@b@@b@ public static String repeat(String sourceString, int factor)@b@ {@b@ if (factor < 1)@b@ return "";@b@@b@ if (factor == 1) {@b@ return sourceString;@b@ }@b@@b@ StringBuilder sb = new StringBuilder(factor * sourceString.length());@b@@b@ while (factor > 0) {@b@ sb.append(sourceString);@b@ --factor;@b@ }@b@@b@ return sb.toString();@b@ }@b@@b@ public static String capitalize(String s)@b@ {@b@ if (s.length() == 0)@b@ return s;@b@ char first = s.charAt(0);@b@ char capitalized = Character.toUpperCase(first);@b@ return capitalized + s.substring(1);@b@ }@b@@b@ static@b@ {@b@ htmlTagPattern = Pattern.compile("</?[a-zA-Z][^>]*>");@b@@b@ characterReferencePattern = Pattern.compile("&#?[a-zA-Z0-9]{1,8};");@b@@b@ dbSpecPattern = Pattern.compile("(.*)\\{(\\d+),(\\d+)\\}(.*)");@b@@b@ escapeStrings = new HashMap(252);@b@@b@ escapeStrings.put(" ", new Character(160));@b@ escapeStrings.put("¡", new Character(161));@b@ escapeStrings.put("¢", new Character(162));@b@ escapeStrings.put("£", new Character(163));@b@ escapeStrings.put("¤", new Character(164));@b@ escapeStrings.put("¥", new Character(165));@b@ escapeStrings.put("¦", new Character(166));@b@ escapeStrings.put("§", new Character(167));@b@ escapeStrings.put("¨", new Character(168));@b@ escapeStrings.put("©", new Character(169));@b@ escapeStrings.put("ª", new Character(170));@b@ escapeStrings.put("«", new Character(171));@b@ escapeStrings.put("¬", new Character(172));@b@ escapeStrings.put("­", new Character(173));@b@ escapeStrings.put("®", new Character(174));@b@ escapeStrings.put("¯", new Character(175));@b@ escapeStrings.put("°", new Character(176));@b@ escapeStrings.put("±", new Character(177));@b@ escapeStrings.put("²", new Character(178));@b@ escapeStrings.put("³", new Character(179));@b@ escapeStrings.put("´", new Character(180));@b@ escapeStrings.put("µ", new Character(181));@b@ escapeStrings.put("¶", new Character(182));@b@ escapeStrings.put("·", new Character(183));@b@ escapeStrings.put("¸", new Character(184));@b@ escapeStrings.put("¹", new Character(185));@b@ escapeStrings.put("º", new Character(186));@b@ escapeStrings.put("»", new Character(187));@b@ escapeStrings.put("¼", new Character(188));@b@ escapeStrings.put("½", new Character(189));@b@ escapeStrings.put("¾", new Character(190));@b@ escapeStrings.put("¿", new Character(191));@b@ escapeStrings.put("À", new Character(192));@b@ escapeStrings.put("Á", new Character(193));@b@ escapeStrings.put("Â", new Character(194));@b@ escapeStrings.put("Ã", new Character(195));@b@ escapeStrings.put("Ä", new Character(196));@b@ escapeStrings.put("Å", new Character(197));@b@ escapeStrings.put("Æ", new Character(198));@b@ escapeStrings.put("Ç", new Character(199));@b@ escapeStrings.put("È", new Character(200));@b@ escapeStrings.put("É", new Character(201));@b@ escapeStrings.put("Ê", new Character(202));@b@ escapeStrings.put("Ë", new Character(203));@b@ escapeStrings.put("Ì", new Character(204));@b@ escapeStrings.put("Í", new Character(205));@b@ escapeStrings.put("Î", new Character(206));@b@ escapeStrings.put("Ï", new Character(207));@b@ escapeStrings.put("Ð", new Character(208));@b@ escapeStrings.put("Ñ", new Character(209));@b@ escapeStrings.put("Ò", new Character(210));@b@ escapeStrings.put("Ó", new Character(211));@b@ escapeStrings.put("Ô", new Character(212));@b@ escapeStrings.put("Õ", new Character(213));@b@ escapeStrings.put("Ö", new Character(214));@b@ escapeStrings.put("×", new Character(215));@b@ escapeStrings.put("Ø", new Character(216));@b@ escapeStrings.put("Ù", new Character(217));@b@ escapeStrings.put("Ú", new Character(218));@b@ escapeStrings.put("Û", new Character(219));@b@ escapeStrings.put("Ü", new Character(220));@b@ escapeStrings.put("Ý", new Character(221));@b@ escapeStrings.put("Þ", new Character(222));@b@ escapeStrings.put("ß", new Character(223));@b@ escapeStrings.put("à", new Character(224));@b@ escapeStrings.put("á", new Character(225));@b@ escapeStrings.put("â", new Character(226));@b@ escapeStrings.put("ã", new Character(227));@b@ escapeStrings.put("ä", new Character(228));@b@ escapeStrings.put("å", new Character(229));@b@ escapeStrings.put("æ", new Character(230));@b@ escapeStrings.put("ç", new Character(231));@b@ escapeStrings.put("è", new Character(232));@b@ escapeStrings.put("é", new Character(233));@b@ escapeStrings.put("ê", new Character(234));@b@ escapeStrings.put("ë", new Character(235));@b@ escapeStrings.put("ì", new Character(236));@b@ escapeStrings.put("í", new Character(237));@b@ escapeStrings.put("î", new Character(238));@b@ escapeStrings.put("ï", new Character(239));@b@ escapeStrings.put("ð", new Character(240));@b@ escapeStrings.put("ñ", new Character(241));@b@ escapeStrings.put("ò", new Character(242));@b@ escapeStrings.put("ó", new Character(243));@b@ escapeStrings.put("ô", new Character(244));@b@ escapeStrings.put("õ", new Character(245));@b@ escapeStrings.put("ö", new Character(246));@b@ escapeStrings.put("&pide;", new Character(247));@b@ escapeStrings.put("ø", new Character(248));@b@ escapeStrings.put("ù", new Character(249));@b@ escapeStrings.put("ú", new Character(250));@b@ escapeStrings.put("û", new Character(251));@b@ escapeStrings.put("ü", new Character(252));@b@ escapeStrings.put("ý", new Character(253));@b@ escapeStrings.put("þ", new Character(254));@b@ escapeStrings.put("ÿ", new Character(255));@b@ escapeStrings.put("ƒ", new Character(402));@b@ escapeStrings.put("Α", new Character(913));@b@ escapeStrings.put("Β", new Character(914));@b@ escapeStrings.put("Γ", new Character(915));@b@ escapeStrings.put("Δ", new Character(916));@b@ escapeStrings.put("Ε", new Character(917));@b@ escapeStrings.put("Ζ", new Character(918));@b@ escapeStrings.put("Η", new Character(919));@b@ escapeStrings.put("Θ", new Character(920));@b@ escapeStrings.put("Ι", new Character(921));@b@ escapeStrings.put("Κ", new Character(922));@b@ escapeStrings.put("Λ", new Character(923));@b@ escapeStrings.put("Μ", new Character(924));@b@ escapeStrings.put("Ν", new Character(925));@b@ escapeStrings.put("Ξ", new Character(926));@b@ escapeStrings.put("Ο", new Character(927));@b@ escapeStrings.put("Π", new Character(928));@b@ escapeStrings.put("Ρ", new Character(929));@b@ escapeStrings.put("Σ", new Character(931));@b@ escapeStrings.put("Τ", new Character(932));@b@ escapeStrings.put("Υ", new Character(933));@b@ escapeStrings.put("Φ", new Character(934));@b@ escapeStrings.put("Χ", new Character(935));@b@ escapeStrings.put("Ψ", new Character(936));@b@ escapeStrings.put("Ω", new Character(937));@b@ escapeStrings.put("α", new Character(945));@b@ escapeStrings.put("β", new Character(946));@b@ escapeStrings.put("γ", new Character(947));@b@ escapeStrings.put("δ", new Character(948));@b@ escapeStrings.put("ε", new Character(949));@b@ escapeStrings.put("ζ", new Character(950));@b@ escapeStrings.put("η", new Character(951));@b@ escapeStrings.put("θ", new Character(952));@b@ escapeStrings.put("ι", new Character(953));@b@ escapeStrings.put("κ", new Character(954));@b@ escapeStrings.put("λ", new Character(955));@b@ escapeStrings.put("μ", new Character(956));@b@ escapeStrings.put("ν", new Character(957));@b@ escapeStrings.put("ξ", new Character(958));@b@ escapeStrings.put("ο", new Character(959));@b@ escapeStrings.put("π", new Character(960));@b@ escapeStrings.put("ρ", new Character(961));@b@ escapeStrings.put("ς", new Character(962));@b@ escapeStrings.put("σ", new Character(963));@b@ escapeStrings.put("τ", new Character(964));@b@ escapeStrings.put("υ", new Character(965));@b@ escapeStrings.put("φ", new Character(966));@b@ escapeStrings.put("χ", new Character(967));@b@ escapeStrings.put("ψ", new Character(968));@b@ escapeStrings.put("ω", new Character(969));@b@ escapeStrings.put("ϑ", new Character(977));@b@ escapeStrings.put("ϒ", new Character(978));@b@ escapeStrings.put("ϖ", new Character(982));@b@ escapeStrings.put("•", new Character(8226));@b@ escapeStrings.put("…", new Character(8230));@b@ escapeStrings.put("′", new Character(8242));@b@ escapeStrings.put("″", new Character(8243));@b@ escapeStrings.put("‾", new Character(8254));@b@ escapeStrings.put("⁄", new Character(8260));@b@ escapeStrings.put("℘", new Character(8472));@b@ escapeStrings.put("ℑ", new Character(8465));@b@ escapeStrings.put("ℜ", new Character(8476));@b@ escapeStrings.put("™", new Character(8482));@b@ escapeStrings.put("ℵ", new Character(8501));@b@ escapeStrings.put("←", new Character(8592));@b@ escapeStrings.put("↑", new Character(8593));@b@ escapeStrings.put("→", new Character(8594));@b@ escapeStrings.put("↓", new Character(8595));@b@ escapeStrings.put("↔", new Character(8596));@b@ escapeStrings.put("↵", new Character(8629));@b@ escapeStrings.put("⇐", new Character(8656));@b@ escapeStrings.put("⇑", new Character(8657));@b@ escapeStrings.put("⇒", new Character(8658));@b@ escapeStrings.put("⇓", new Character(8659));@b@ escapeStrings.put("⇔", new Character(8660));@b@ escapeStrings.put("∀", new Character(8704));@b@ escapeStrings.put("∂", new Character(8706));@b@ escapeStrings.put("∃", new Character(8707));@b@ escapeStrings.put("∅", new Character(8709));@b@ escapeStrings.put("∇", new Character(8711));@b@ escapeStrings.put("∈", new Character(8712));@b@ escapeStrings.put("∉", new Character(8713));@b@ escapeStrings.put("∋", new Character(8715));@b@ escapeStrings.put("∏", new Character(8719));@b@ escapeStrings.put("∑", new Character(8721));@b@ escapeStrings.put("−", new Character(8722));@b@ escapeStrings.put("∗", new Character(8727));@b@ escapeStrings.put("√", new Character(8730));@b@ escapeStrings.put("∝", new Character(8733));@b@ escapeStrings.put("∞", new Character(8734));@b@ escapeStrings.put("∠", new Character(8736));@b@ escapeStrings.put("∧", new Character(8743));@b@ escapeStrings.put("∨", new Character(8744));@b@ escapeStrings.put("∩", new Character(8745));@b@ escapeStrings.put("∪", new Character(8746));@b@ escapeStrings.put("∫", new Character(8747));@b@ escapeStrings.put("∴", new Character(8756));@b@ escapeStrings.put("∼", new Character(8764));@b@ escapeStrings.put("≅", new Character(8773));@b@ escapeStrings.put("≈", new Character(8776));@b@ escapeStrings.put("≠", new Character(8800));@b@ escapeStrings.put("≡", new Character(8801));@b@ escapeStrings.put("≤", new Character(8804));@b@ escapeStrings.put("≥", new Character(8805));@b@ escapeStrings.put("⊂", new Character(8834));@b@ escapeStrings.put("⊃", new Character(8835));@b@ escapeStrings.put("⊄", new Character(8836));@b@ escapeStrings.put("⊆", new Character(8838));@b@ escapeStrings.put("⊇", new Character(8839));@b@ escapeStrings.put("⊕", new Character(8853));@b@ escapeStrings.put("⊗", new Character(8855));@b@ escapeStrings.put("⊥", new Character(8869));@b@ escapeStrings.put("⋅", new Character(8901));@b@ escapeStrings.put("⌈", new Character(8968));@b@ escapeStrings.put("⌉", new Character(8969));@b@ escapeStrings.put("⌊", new Character(8970));@b@ escapeStrings.put("⌋", new Character(8971));@b@ escapeStrings.put("⟨", new Character(9001));@b@ escapeStrings.put("⟩", new Character(9002));@b@ escapeStrings.put("◊", new Character(9674));@b@ escapeStrings.put("♠", new Character(9824));@b@ escapeStrings.put("♣", new Character(9827));@b@ escapeStrings.put("♥", new Character(9829));@b@ escapeStrings.put("♦", new Character(9830));@b@ escapeStrings.put(""", new Character('"'));@b@ escapeStrings.put("&", new Character('&'));@b@ escapeStrings.put("<", new Character('<'));@b@ escapeStrings.put(">", new Character('>'));@b@ escapeStrings.put("Œ", new Character(338));@b@ escapeStrings.put("œ", new Character(339));@b@ escapeStrings.put("Š", new Character(352));@b@ escapeStrings.put("š", new Character(353));@b@ escapeStrings.put("Ÿ", new Character(376));@b@ escapeStrings.put("ˆ", new Character(710));@b@ escapeStrings.put("˜", new Character(732));@b@ escapeStrings.put(" ", new Character(8194));@b@ escapeStrings.put(" ", new Character(8195));@b@ escapeStrings.put(" ", new Character(8201));@b@ escapeStrings.put("‌", new Character(8204));@b@ escapeStrings.put("‍", new Character(8205));@b@ escapeStrings.put("‎", new Character(8206));@b@ escapeStrings.put("‏", new Character(8207));@b@ escapeStrings.put("–", new Character(8211));@b@ escapeStrings.put("—", new Character(8212));@b@ escapeStrings.put("‘", new Character(8216));@b@ escapeStrings.put("’", new Character(8217));@b@ escapeStrings.put("‚", new Character(8218));@b@ escapeStrings.put("“", new Character(8220));@b@ escapeStrings.put("”", new Character(8221));@b@ escapeStrings.put("„", new Character(8222));@b@ escapeStrings.put("†", new Character(8224));@b@ escapeStrings.put("‡", new Character(8225));@b@ escapeStrings.put("‰", new Character(8240));@b@ escapeStrings.put("‹", new Character(8249));@b@ escapeStrings.put("›", new Character(8250));@b@ escapeStrings.put("€", new Character(8364));@b@@b@ UNSAFE_TAGS = new String[] { "script", "style", "object", "applet", "!--" };@b@@b@ Set set = new HashSet();@b@ set.add(Character.UnicodeBlock.HANGUL_JAMO);@b@ set.add(Character.UnicodeBlock.CJK_RADICALS_SUPPLEMENT);@b@ set.add(Character.UnicodeBlock.KANGXI_RADICALS);@b@ set.add(Character.UnicodeBlock.CJK_SYMBOLS_AND_PUNCTUATION);@b@ set.add(Character.UnicodeBlock.HIRAGANA);@b@ set.add(Character.UnicodeBlock.KATAKANA);@b@ set.add(Character.UnicodeBlock.BOPOMOFO);@b@ set.add(Character.UnicodeBlock.HANGUL_COMPATIBILITY_JAMO);@b@ set.add(Character.UnicodeBlock.KANBUN);@b@ set.add(Character.UnicodeBlock.BOPOMOFO_EXTENDED);@b@ set.add(Character.UnicodeBlock.KATAKANA_PHONETIC_EXTENSIONS);@b@ set.add(Character.UnicodeBlock.ENCLOSED_CJK_LETTERS_AND_MONTHS);@b@ set.add(Character.UnicodeBlock.CJK_COMPATIBILITY);@b@ set.add(Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS_EXTENSION_A);@b@ set.add(Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS);@b@ set.add(Character.UnicodeBlock.HANGUL_SYLLABLES);@b@ set.add(Character.UnicodeBlock.CJK_COMPATIBILITY_IDEOGRAPHS);@b@ set.add(Character.UnicodeBlock.CJK_COMPATIBILITY_FORMS);@b@ set.add(Character.UnicodeBlock.HALFWIDTH_AND_FULLWIDTH_FORMS);@b@ set.add(Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS_EXTENSION_B);@b@ set.add(Character.UnicodeBlock.CJK_COMPATIBILITY_IDEOGRAPHS_SUPPLEMENT);@b@ CJK_BLOCKS = Collections.unmodifiableSet(set);@b@@b@ hexChars = new char[] { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };@b@ }@b@}2.HtmlToText类
package com.google.gdata.util.common.html;@b@@b@import com.google.gdata.util.common.base.StringUtil;@b@import java.util.regex.Matcher;@b@import java.util.regex.Pattern;@b@@b@public final class HtmlToText@b@{@b@ private static final Pattern htmlNewlinePattern = Pattern.compile("\\s*<(br|/?p)>\\s*");@b@ private static final Pattern htmlListPattern = Pattern.compile("\\s*<li>\\s*");@b@ private static final Pattern htmlTagPattern = Pattern.compile("</?([^<]*)>");@b@ public static final int EMAIL_LINE_WIDTH_MAX = 72;@b@@b@ public static String htmlToPlainText(String html)@b@ {@b@ if (html == null) {@b@ throw new NullPointerException("Html parameter may not be null.");@b@ }@b@@b@ String text = StringUtil.stripAndCollapse(html);@b@@b@ text = htmlNewlinePattern.matcher(text).replaceAll("\n");@b@ text = htmlListPattern.matcher(text).replaceAll("\n- ");@b@ text = htmlTagPattern.matcher(text).replaceAll("");@b@ text = StringUtil.unescapeHTML(text).trim();@b@@b@ return StringUtil.fixedWidth(text.split("\n"), 72);@b@ }@b@}