List of usage examples for java.lang Character forDigit
public static char forDigit(int digit, int radix)
From source file:com.gistlabs.mechanize.util.apache.URLEncodedUtils.java
/** * Emcode/escape a portion of a URL, to use with the query part ensure {@code plusAsBlank} is true. * //from ww w. jav a 2s .co m * @param content the portion to decode * @param charset the charset to use * @param blankAsPlus if {@code true}, then convert space to '+' (e.g. for www-url-form-encoded content), otherwise leave as is. * @return */ private static String urlencode(final String content, final Charset charset, final BitSet safechars, final boolean blankAsPlus) { if (content == null) return null; StringBuilder buf = new StringBuilder(); ByteBuffer bb = charset.encode(content); while (bb.hasRemaining()) { int b = bb.get() & 0xff; if (safechars.get(b)) buf.append((char) b); else if (blankAsPlus && b == ' ') buf.append('+'); else { buf.append("%"); char hex1 = Character.toUpperCase(Character.forDigit((b >> 4) & 0xF, RADIX)); char hex2 = Character.toUpperCase(Character.forDigit(b & 0xF, RADIX)); buf.append(hex1); buf.append(hex2); } } return buf.toString(); }
From source file:jatran.stub.StringUtil.java
/** * Returns a string that consists of a random consequence of digits and * latin letters in upper case.//from w ww . j av a 2 s.co m * * @param len length of returned token * @return random token */ public static String getRandomToken(int len) { StringBuffer result = new StringBuffer(len); for (int i = 0; i < len; i++) { result.append(Character.forDigit(RandomUtils.nextInt(36), 36)); } return result.toString().toUpperCase(); }
From source file:com.liveneo.plat.utils.StringUtil.java
/** * Returns a string that consists of a random consequence of digits and * latin letters in upper case./* w w w . j a v a 2 s . c om*/ * * @param len * length of returned token * @return random token */ public static String getRandomToken(int len) { StringBuffer result = new StringBuffer(len); for (int i = 0; i < len; i++) { result.append(Character.forDigit(Integer.parseInt(RandomStringUtils.random(36)), 36)); } return result.toString().toUpperCase(); }
From source file:org.jahia.services.content.JCRContentUtils.java
public static String escapeLocalNodeName(String name) { name = name.trim();/*from ww w . j a va 2 s. c o m*/ StringBuilder buffer = new StringBuilder(name.length() * 2); for (int i = 0; i < name.length(); i++) { char ch = name.charAt(i); if (ch == '[' || ch == ']' || ch == '*' || ch == '|') { buffer.append('%'); buffer.append(Character.toUpperCase(Character.forDigit(ch / 16, 16))); buffer.append(Character.toUpperCase(Character.forDigit(ch % 16, 16))); } else if (ch == '/' || ch == '\\' || Character.isWhitespace(ch)) { if (buffer.length() > 0) { buffer.append(' '); } } else { buffer.append(ch); } } return buffer.toString(); }
From source file:com.rapleaf.api.personalization.RapleafApi.java
protected String toHex(byte[] a) { StringBuilder sb = new StringBuilder(a.length * 2); for (int i = 0; i < a.length; i++) { sb.append(Character.forDigit((a[i] & 0xf0) >> 4, 16)); sb.append(Character.forDigit(a[i] & 0x0f, 16)); }//from w w w . j a v a 2 s . c om return sb.toString(); }
From source file:org.LexGrid.util.sql.DBUtility.java
/** * Construct the next identifier to use after the given identifier. Expects * (and returns) a 2 character string - using the characters a-z in the * first position and the characters a-z and 0-9 in the second position. * Case insensitive. Wraps if it gets to zz. Starts with a0 (if no * identifier is provided)/*from w w w. j av a2s .c o m*/ * * @param currentIdentifier * @return * @throws Exception * if it doesn't understand the identifier. */ public static String computeNextIdentifier(String currentIdentifier) throws Exception { String temp; if (currentIdentifier == null || currentIdentifier.length() == 0) { temp = "a0"; } else if (StringUtils.isNumeric(currentIdentifier)) { temp = "a0"; } else if (currentIdentifier.length() != 2) { throw new Exception("Invalid identifer passed in. Must be a 2 character string."); } else { temp = currentIdentifier; } char a = temp.toLowerCase().charAt(0); char b = temp.toLowerCase().charAt(1); int ai = Character.getNumericValue(a); int bi = Character.getNumericValue(b); if (ai < 10 || ai > 35) { throw new Exception("Invalid identifer passed in. First character must be a letter."); } if (bi < 0 || bi > 35) { throw new Exception("Invalid identifer passed in. Second character must be a letter or a number."); } if (bi < 35) { bi++; } else { bi = 0; ai++; } if (ai > 35) { ai = 10; } return new String(Character.forDigit(ai, 36) + "" + Character.forDigit(bi, 36)); }
From source file:org.jahia.services.content.JCRContentUtils.java
public static String escapeNodePath(String path) { StringBuilder buffer = new StringBuilder(path.length() * 2); for (int i = 0; i < path.length(); i++) { char ch = path.charAt(i); if (ch == '[' || ch == ']' || ch == '*' || ch == '|') { buffer.append('%'); buffer.append(Character.toUpperCase(Character.forDigit(ch / 16, 16))); buffer.append(Character.toUpperCase(Character.forDigit(ch % 16, 16))); } else {/* ww w . j a v a 2 s .c o m*/ buffer.append(ch); } } return buffer.toString(); }
From source file:QCodec.java
/** * Encodes byte into its quoted-printable representation. * /*w ww . j a v a2 s .co m*/ * @param b * byte to encode * @param buffer * the buffer to write to */ private static final void encodeQuotedPrintable(int b, ByteArrayOutputStream buffer) { buffer.write(ESCAPE_CHAR); char hex1 = Character.toUpperCase(Character.forDigit((b >> 4) & 0xF, 16)); char hex2 = Character.toUpperCase(Character.forDigit(b & 0xF, 16)); buffer.write(hex1); buffer.write(hex2); }
From source file:com.mcxiaoke.next.http.util.URLUtils.java
private static String urlEncode(final String content, final Charset charset, final BitSet safechars, final boolean blankAsPlus) { if (content == null) { return null; }/*from w w w . java 2 s . co m*/ final StringBuilder buf = new StringBuilder(); final ByteBuffer bb = charset.encode(content); while (bb.hasRemaining()) { final int b = bb.get() & 0xff; if (safechars.get(b)) { buf.append((char) b); } else if (blankAsPlus && b == ' ') { buf.append('+'); } else { buf.append("%"); final char hex1 = Character.toUpperCase(Character.forDigit((b >> 4) & 0xF, RADIX)); final char hex2 = Character.toUpperCase(Character.forDigit(b & 0xF, RADIX)); buf.append(hex1); buf.append(hex2); } } return buf.toString(); }
From source file:org.jivesoftware.community.util.StringUtils.java
public static String URLEncode(String original, String charset) throws UnsupportedEncodingException { if (original == null) return null; byte octets[]; try {/*w w w .ja v a 2 s .co m*/ octets = original.getBytes(charset); } catch (UnsupportedEncodingException error) { throw new UnsupportedEncodingException(); } StringBuffer buf = new StringBuffer(octets.length); byte arr$[] = octets; int len$ = arr$.length; for (int i$ = 0; i$ < len$; i$++) { byte octet = arr$[i$]; char c = (char) octet; if (allowed_query.get(c)) { buf.append(c); } else { buf.append('%'); char hexadecimal = Character.forDigit(octet >> 4 & 0xf, 16); buf.append(Character.toUpperCase(hexadecimal)); hexadecimal = Character.forDigit(octet & 0xf, 16); buf.append(Character.toUpperCase(hexadecimal)); } } return buf.toString(); }