List of usage examples for java.lang StringBuffer length
@Override
public synchronized int length()
From source file:JavascriptUtil.java
/** * <p>//w w w . j a v a2s . c om * Unescapes any JavaScript literals found in the <code>String</code>. * </p> * <p> * For example, it will turn a sequence of <code>'\'</code> and * <code>'n'</code> into a newline character, unless the <code>'\'</code> is * preceded by another <code>'\'</code>. * </p> * * @param str * the <code>String</code> to unescape, may be null * @return A new unescaped <code>String</code>, <code>null</code> if null * string input */ public static String unescapeJavaScript(String str) { if (str == null) { return null; } StringBuffer writer = new StringBuffer(str.length()); int sz = str.length(); StringBuffer unicode = new StringBuffer(4); boolean hadSlash = false; boolean inUnicode = false; for (int i = 0; i < sz; i++) { char ch = str.charAt(i); if (inUnicode) { // if in unicode, then we're reading unicode // values in somehow unicode.append(ch); if (unicode.length() == 4) { // unicode now contains the four hex digits // which represents our unicode chacater try { int value = Integer.parseInt(unicode.toString(), 16); writer.append((char) value); unicode.setLength(0); inUnicode = false; hadSlash = false; } catch (NumberFormatException nfe) { throw new IllegalArgumentException( "Unable to parse unicode value: " + unicode + " cause: " + nfe); } } continue; } if (hadSlash) { // handle an escaped value hadSlash = false; switch (ch) { case '\\': writer.append('\\'); break; case '\'': writer.append('\''); break; case '\"': writer.append('"'); break; case 'r': writer.append('\r'); break; case 'f': writer.append('\f'); break; case 't': writer.append('\t'); break; case 'n': writer.append('\n'); break; case 'b': writer.append('\b'); break; case 'u': // uh-oh, we're in unicode country.... inUnicode = true; break; default: writer.append(ch); break; } continue; } else if (ch == '\\') { hadSlash = true; continue; } writer.append(ch); } if (hadSlash) { // then we're in the weird case of a \ at the end of the // string, let's output it anyway. writer.append('\\'); } return writer.toString(); }
From source file:com.depas.utils.FileUtils.java
/** * Gets a shortened version of the a file String. * <pre>/*from w w w .j a v a 2 s.co m*/ * If the fileIn is < the maxSize, you will get fileIn back * Otherwise we will try to get just the file name by taking all characters * to the right of either a '\' or a '/' * If the fileName alone is > maxSize then we will take the last maxSize characters * Otherwise we will try split the String into parts as follows... * If the fileIn contains a drive letter C:\, D:\, etc * we will return C:\...\file.ext or if the file name exceeds maxSize * something like this C:\...aLongFileNameThatExceedsTheMax.ext * If the fileIn does not contain a drive letter * <pre> * @param fileIn the file in * @param maxSize the max size * @return the shortened file */ public static String getShortenedFile(String fileIn, int maxSize) { if (fileIn.length() <= maxSize) { return fileIn; } // Let's limit the minimum shrink size, any smaller than this isn't worth doing if (maxSize < 10) { throw new IllegalArgumentException( maxSize + " is too small, maxSize must be greater than or equal to 10."); } // Try to get just the file name String fileName = null; for (int i = fileIn.length() - 1; i > -1; i--) { char c = fileIn.charAt(i); if (c == '\\' || c == '/') { fileName = fileIn.substring(i); break; } } // Not sure what this string is, but we will use it as is if (fileName == null) { fileName = fileIn; } String elipses = "..."; StringBuffer sb = new StringBuffer(); // First of all file names with Drive letters are treated differently, // They will always start with the drive letter and then ... // C:\\...\file.txt if (fileIn.charAt(1) == ':') { // Add the drive sb.append(fileIn.substring(0, 3)); // C:\ sb.append(elipses); // C:\... int total = sb.length() + fileName.length(); if (total > maxSize) { sb.append(fileName.substring(total - maxSize)); } else { sb.append(fileName); } } // Otherwise it is something else, a network drive perhaps else { // Big filename, just prepend '...' to the what ever we can of the file name if (fileName.length() + elipses.length() > maxSize) { sb.append(elipses); sb.append(fileName.substring(fileName.length() - (maxSize - sb.length()))); } // Otherwise the file name can fit so we lets prepend the path else { sb.append(fileIn.substring(0, (maxSize - fileName.length() - elipses.length()))); sb.append(elipses); sb.append(fileName); } } return sb.toString(); }
From source file:de.cismet.cids.custom.objectrenderer.utils.alkis.AlkisUtils.java
/** * DOCUMENT ME!//from w ww. java 2s .c o m * * @param buchungsblattCode DOCUMENT ME! * * @return DOCUMENT ME! */ public static String fixBuchungslattCode(final String buchungsblattCode) { if (buchungsblattCode != null) { final StringBuffer buchungsblattCodeSB = new StringBuffer(buchungsblattCode); // Fix SICAD-API-strangeness... while (buchungsblattCodeSB.length() < 14) { buchungsblattCodeSB.append(" "); } return buchungsblattCodeSB.toString(); } else { return ""; } }
From source file:cn.fql.utility.StringUtility.java
/** * convert a list to a string of the list's meta with a seprator * if the atom is a string then surround with "'". * * @param list list to be converted * @param separator separator string/*from w w w . j a v a2s . co m*/ * @return <code>String</code> */ public static String lst2Str(List list, String separator) { StringBuffer sb = new StringBuffer(""); if (list != null && list.size() > 0) { for (int i = 0; i < list.size(); i++) { Object objItem = list.get(i); if (sb.length() != 0) { sb.append(separator); } if (objItem instanceof String) { String strItem = (String) objItem; sb.append(strItem); } else { sb.append(objItem); } } } return sb.toString(); }
From source file:edu.mayo.informatics.lexgrid.convert.directConversions.UmlsCommon.LoadRRFToDB.java
private static String[] createAndLoadTables(URI rrfLocation, boolean skipNonLexGridFiles, boolean recalcRootOnly, String dbServer, String dbDriver, String username, String password, LgMessageDirectorIF md, boolean validateMode) throws Exception { md.info("Connecting to RRF Files"); BufferedReader reader = getReader(rrfLocation.resolve("MRFILES.RRF")); md.info("Connecting to db Files"); Connection sqlConnection = DBUtility.connectToDatabase(dbServer, dbDriver, username, password); GenericSQLModifier gsm = new GenericSQLModifier(sqlConnection); Hashtable columnTypeMap = readMRCols(rrfLocation); Hashtable tableColumnMap = new Hashtable(); List tables = new ArrayList(); if (skipNonLexGridFiles) { // the only tables that I need to load tables.add("MRCONSO"); tables.add("MRDOC"); tables.add("MRREL"); tables.add("MRSAB"); tables.add("MRRANK"); if (!recalcRootOnly) { tables.add("MRDEF"); tables.add("MRSTY"); tables.add("MRSAT"); tables.add("MRHIER"); }//from w ww. j a v a2 s . c o m } md.info("Creating SQL database tables"); PreparedStatement create = null; PreparedStatement drop = null; String line = reader.readLine(); int mrhierHCDCol = -1; while (line != null) { String[] vals = stringToArray(line, '|'); // for MRFILES, all I care about is the following String file = vals[0]; String tableName = file.substring(0, file.indexOf('.')); // if file is MRHIER, remember HCD column number (base 0) if ("MRHIER".equalsIgnoreCase(tableName) && vals.length > 1) { mrhierHCDCol = Arrays.asList(vals[2].split(",")).indexOf("HCD"); } if (skipNonLexGridFiles || recalcRootOnly) { if (!tables.contains(tableName)) { line = reader.readLine(); continue; } } else { if (file.indexOf('/') != -1) { // skip files in subfolders. line = reader.readLine(); continue; } if (!tables.contains(tableName)) tables.add(tableName); } String[] columns = stringToArray(vals[2], ','); tableColumnMap.put(file, columns); StringBuffer tableCreateSQL = new StringBuffer(); tableCreateSQL.append("CREATE TABLE {IF NOT EXISTS} ^" + tableName + "^ ("); for (int i = 0; i < columns.length; i++) { tableCreateSQL.append(" ^" + columns[i] + "^ " + mapUMLSType((String) columnTypeMap.get(columns[i] + "|" + file)) + " default NULL,"); } // chop the last comma tableCreateSQL.deleteCharAt(tableCreateSQL.length() - 1); tableCreateSQL.append(") {TYPE}"); // make sure the table doesn't exist try { drop = sqlConnection.prepareStatement(gsm.modifySQL("DROP TABLE " + tableName + " {CASCADE}")); drop.executeUpdate(); drop.close(); } catch (SQLException e) { // most likely means that the table didn't exist. } create = sqlConnection.prepareStatement(gsm.modifySQL(tableCreateSQL.toString())); create.executeUpdate(); create.close(); line = reader.readLine(); } reader.close(); md.info("Creating indexes"); PreparedStatement createIndex = null; createIndex = sqlConnection .prepareStatement(gsm.modifySQL("CREATE INDEX ^mi1^ ON ^MRCONSO^ (^CUI^, ^SAB^)")); createIndex.executeUpdate(); createIndex.close(); createIndex = sqlConnection .prepareStatement(gsm.modifySQL("CREATE INDEX ^mi2^ ON ^MRCONSO^ (^CUI^, ^AUI^)")); createIndex.executeUpdate(); createIndex.close(); createIndex = sqlConnection .prepareStatement(gsm.modifySQL("CREATE INDEX ^mi3^ ON ^MRCONSO^ (^AUI^, ^CODE^)")); createIndex.executeUpdate(); createIndex.close(); createIndex = sqlConnection.prepareStatement(gsm.modifySQL("CREATE INDEX ^mi4^ ON ^MRREL^ (^RELA^)")); createIndex.executeUpdate(); createIndex.close(); createIndex = sqlConnection.prepareStatement(gsm.modifySQL("CREATE INDEX ^mi5^ ON ^MRREL^ (^REL^)")); createIndex.executeUpdate(); createIndex.close(); createIndex = sqlConnection.prepareStatement(gsm.modifySQL("CREATE INDEX ^mi6^ ON ^MRREL^ (^RUI^)")); createIndex.executeUpdate(); createIndex.close(); createIndex = sqlConnection .prepareStatement(gsm.modifySQL("CREATE INDEX ^mi7^ ON ^MRREL^ (^SAB^, ^RELA^)")); createIndex.executeUpdate(); createIndex.close(); createIndex = sqlConnection.prepareStatement(gsm.modifySQL("CREATE INDEX ^mi8^ ON ^MRSAB^ (^RSAB^)")); createIndex.executeUpdate(); createIndex.close(); createIndex = sqlConnection.prepareStatement(gsm.modifySQL("CREATE INDEX ^mi9^ ON ^MRRANK^ (^SAB^)")); createIndex.executeUpdate(); createIndex.close(); createIndex = sqlConnection.prepareStatement(gsm.modifySQL("CREATE INDEX ^mi10^ ON ^MRRANK^ (^TTY^)")); createIndex.executeUpdate(); createIndex.close(); if (!recalcRootOnly) { createIndex = sqlConnection .prepareStatement(gsm.modifySQL("CREATE INDEX ^mi11^ ON ^MRDEF^ (^CUI^, ^SAB^)")); createIndex.executeUpdate(); createIndex.close(); createIndex = sqlConnection .prepareStatement(gsm.modifySQL("CREATE INDEX ^mi12^ ON ^MRSAT^ (^METAUI^)")); createIndex.executeUpdate(); createIndex.close(); createIndex = sqlConnection .prepareStatement(gsm.modifySQL("CREATE INDEX ^mi13^ ON ^MRSAT^ (^CUI^, ^SAB^)")); createIndex.executeUpdate(); createIndex.close(); createIndex = sqlConnection .prepareStatement(gsm.modifySQL("CREATE INDEX ^mi14^ ON ^MRSAT^ (^CODE^, ^SAB^)")); createIndex.executeUpdate(); createIndex.close(); createIndex = sqlConnection.prepareStatement(gsm.modifySQL("CREATE INDEX ^mi15^ ON ^MRSTY^ (^CUI^)")); createIndex.executeUpdate(); createIndex.close(); createIndex = sqlConnection.prepareStatement( gsm.modifySQL("CREATE INDEX ^mi16^ ON ^MRHIER^ (^CUI^, ^AUI^, ^HCD^, ^SAB^, ^CXN^)")); createIndex.executeUpdate(); createIndex.close(); createIndex = sqlConnection .prepareStatement(gsm.modifySQL("CREATE INDEX ^mi17^ ON ^MRHIER^ (^CUI^, ^SAB^, ^CXN^)")); createIndex.executeUpdate(); createIndex.close(); } PreparedStatement insert = null; Iterator allTables = tables.iterator(); Set rootCUIs = new HashSet(); while (allTables.hasNext()) { System.gc(); String table = (String) allTables.next(); md.info("Loading " + table); boolean loadingMrHier = table.equalsIgnoreCase("MRHIER"); StringBuffer insertSQL = new StringBuffer(); insertSQL.append("INSERT INTO " + table + " ("); String[] vals = (String[]) tableColumnMap.get(table + ".RRF"); for (int i = 0; i < vals.length; i++) { if (gsm.getDatabaseType().equals("ACCESS") && vals[i].equals("VALUE")) { // reserved word in MSAccess insertSQL.append("\"" + vals[i] + "\", "); } else { insertSQL.append(vals[i] + ", "); } } // chop the last comma and space insertSQL.deleteCharAt(insertSQL.length() - 2); insertSQL.append(") VALUES ("); for (int i = 0; i < vals.length; i++) { insertSQL.append("?, "); } // chop the last comma and space insertSQL.deleteCharAt(insertSQL.length() - 2); insertSQL.append(")"); insert = sqlConnection.prepareStatement(gsm.modifySQL(insertSQL.toString())); URI tableURI = rrfLocation.resolve(table + ".RRF"); if (verifyTableExists(tableURI)) { try { reader = getReader(tableURI); int count = 1; line = reader.readLine(); boolean restrictToRootCUIs = recalcRootOnly && table.equalsIgnoreCase("MRCONSO"); boolean restrictToRootRels = recalcRootOnly && table.equalsIgnoreCase("MRREL"); while (line != null && line.length() > 0) { // Note: If we are only using the data to recalculate // root nodes, // we only need CUIs defining root hierarchical terms // and any related // relationships. if (restrictToRootCUIs && !line.contains("|SRC|RHT|")) { line = reader.readLine(); continue; } String[] data = stringToArray(line, '|'); // If processing MRHIER, we only care about entries // relevant to // the specified MRHIER processing option. Many entries // in this file // we do not require since they can be derived from // MRREL. // MRHIER typically is much larger since it pre-computes // the entire // hierarchy, so we want to conserve time and space by // loading only // those entries that require special handling. if (loadingMrHier && mrhierHCDCol > 0 && data.length > mrhierHCDCol && StringUtils.isBlank(data[mrhierHCDCol])) { line = reader.readLine(); continue; } if (restrictToRootCUIs && data.length >= 1) rootCUIs.add(data[0]); if (restrictToRootRels && (data.length < 5 || (!rootCUIs.contains(data[0]) && !rootCUIs.contains(data[4])))) { line = reader.readLine(); continue; } for (int i = 0; i < vals.length; i++) { insert.setString(i + 1, data[i]); } insert.executeUpdate(); count++; line = reader.readLine(); if (validateMode && count > 100) { line = null; } if (count % 10000 == 0) { md.busy(); } if (count % 100000 == 0) { md.info("Loaded " + count + " into " + table); } } reader.close(); } catch (Exception e) { md.fatalAndThrowException("problem loading the table " + table, e); } } else { md.warn("Could not load table " + table + ". This" + "most likely means the corresponding RRF file" + "was not found in the source."); } insert.close(); System.gc(); } sqlConnection.close(); return (String[]) tables.toArray(new String[tables.size()]); }
From source file:ca.simplegames.micro.utils.StringUtils.java
/** * Trim <i>all</i> whitespace from the given String: * leading, trailing, and inbetween characters. * * @param str the String to check//from www. ja v a 2 s . com * @return the trimmed String * @see java.lang.Character#isWhitespace */ public static String trimAllWhitespace(String str) { if (!hasLength(str)) { return str; } StringBuffer buf = new StringBuffer(str); int index = 0; while (buf.length() > index) { if (Character.isWhitespace(buf.charAt(index))) { buf.deleteCharAt(index); } else { index++; } } return buf.toString(); }
From source file:cn.fql.utility.StringUtility.java
/** * convert a list to a string of the list's meta with a seperator * if the atom is a string then surround with "'". * used in sql!/*from w ww. j a v a 2s . co m*/ * * @param list <code>List</code> * @param separator specified separator * @return converted string with <code>seperator</code> seperator */ public static String list2String(List list, String separator) { StringBuffer sb = new StringBuffer(""); if (list != null && list.size() > 0) { for (int i = 0; i < list.size(); i++) { Object objItem = list.get(i); if (sb.length() != 0) { sb.append(separator); } if (objItem instanceof String) { String strItem = (String) objItem; sb.append("'"); sb.append(strItem); sb.append("'"); } else { sb.append(objItem); } } } return sb.toString(); }
From source file:com.ikanow.infinit.e.data_model.store.config.source.SourcePojo.java
public static Collection<String> getDistributedKeys(String key, Integer highestDistributionFactorStored) { int numShards = 1; if (null != highestDistributionFactorStored) { numShards = highestDistributionFactorStored; }//from w ww . j ava 2s .co m ArrayList<String> distributedKeys = new ArrayList<String>(numShards); StringBuffer keySb = new StringBuffer(key).append("#"); int originalLength = keySb.length(); for (int i = 0; i < numShards; i++) { if (0 == i) { distributedKeys.add(key); } else { keySb.append(i); distributedKeys.add(keySb.toString()); keySb.setLength(originalLength); } } return distributedKeys; }
From source file:com.adito.util.Utils.java
public static String readLine(InputStream in) throws IOException, EOFException { StringBuffer buf = new StringBuffer(); int ch;//from w w w. java2 s. co m while ((ch = in.read()) > -1) { if (ch == '\n') break; buf.append((char) ch); } if (ch != '\n' && buf.length() == 0) return null; return buf.toString(); }
From source file:edu.cornell.mannlib.vitro.webapp.controller.authenticate.BaseLoginServlet.java
/** * If we don't have a referrer, send them to the home page. *//*from w ww . j a v a 2s . c o m*/ protected String figureHomePageUrl(HttpServletRequest req) { StringBuffer url = req.getRequestURL(); String uri = req.getRequestURI(); int authLength = url.length() - uri.length(); String auth = url.substring(0, authLength); return auth + req.getContextPath(); }