Example usage for java.lang StringBuilder charAt

Introduction

In this page you can find the example usage for java.lang StringBuilder charAt.

Prototype

char charAt(int index);

Source Link

Document

Returns the char value at the specified index.

Usage

From source file:net.yacy.cora.language.phonetic.Metaphone.java

private boolean isVowel(StringBuilder string, int index) {
    return VOWELS.indexOf(string.charAt(index)) >= 0;
}

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From source file:com.htmlhifive.tools.codeassist.core.proposal.build.ObjectLiteralCodeBuilder.java

@Override
protected void buildEnd(StringBuilder sb, StringBuilder part, int tempInsertPosition) {

    // ?/*from   www  .j  a va2  s.c o m*/
    boolean delflg = true;
    int deletePosition = 0;
    int insertPosition = tempInsertPosition;
    for (int currentPosition = insertPosition - 1; currentPosition > 0; currentPosition--) {
        if (sb.charAt(currentPosition) == ',') {
            deletePosition = currentPosition;
            break;
        }
        if (CharUtils.isAsciiPrintable(sb.charAt(currentPosition))) {
            delflg = false;
            break;
        }
    }
    // while (sb.charAt(currentPosition) != ',') {
    // currentPosition--;
    // System.out.println(sb.charAt(currentPosition));
    // }
    if (delflg) {
        insertPosition--;
        sb.deleteCharAt(deletePosition);
    }
    super.buildEnd(sb, part, insertPosition);
}

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From source file:net.sf.jabb.util.db.impl.DbcpDataSourceProvider.java

public DataSource createDataSource(String source, String config) {
    String[] cfgs = config.split(PropertiesLoader.DELIMITERS, 2);
    if (cfgs.length != 2) {
        log.warn("Wrong configuration format for '" + source + "' : " + config);
        return null;
    }//w  w w.j a v a  2  s .c o  m

    DataSource ds = null;

    try {
        DirectDataSourceConfiguration lowerConfig = new DirectDataSourceConfiguration(cfgs[0]);
        Class.forName(lowerConfig.getDriverClassName());

        Properties props = propLoader.load(cfgs[1]);
        Properties connProps = lowerConfig.getConnectionProperties();
        props.put("username", connProps.get("user"));
        connProps.remove("user");
        props.put("password", connProps.get("password"));
        connProps.remove("password");
        props.put("url", lowerConfig.getUrl());
        props.put("driverClassName", lowerConfig.getDriverClassName());

        StringBuilder sb = new StringBuilder();
        String oldConnProp = props.getProperty("connectionProperties");
        if (oldConnProp != null) {
            sb.append(oldConnProp.trim());
        }
        for (Map.Entry<Object, Object> p : connProps.entrySet()) {
            if (sb.length() > 0 && sb.charAt(sb.length() - 1) != ';') {
                sb.append(';');
            }
            sb.append(p.getKey().toString());
            sb.append('=');
            sb.append(p.getValue().toString());
        }
        props.put("connectionProperties", sb.toString());

        ds = BasicDataSourceFactory.createDataSource(props);

    } catch (InvalidPropertiesFormatException e) {
        log.warn(
                "Wrong configuration properties file format for '" + source + "' with configuration: " + config,
                e);
    } catch (IOException e) {
        log.warn("Error loading configuration file for '" + source + "' with configuration: " + config, e);
    } catch (ClassNotFoundException e) {
        log.warn("Driver class not found for '" + source + "' with configuration: " + config, e);
    } catch (Exception e) {
        log.warn("Error creating data source for '" + source + "' with configuration: " + config, e);
    }

    return ds;
}

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From source file:com.aionengine.gameserver.cache.HTMLCache.java

private String compactHtml(StringBuilder sb, String html) {
    sb.setLength(0);//from w  w  w. j ava2s .c o m
    sb.append(html);

    for (int i = 0; i < sb.length(); i++)
        if (Character.isWhitespace(sb.charAt(i)))
            sb.setCharAt(i, ' ');

    replaceAll(sb, "  ", " ");

    replaceAll(sb, "< ", "<");
    replaceAll(sb, " >", ">");

    for (int i = 0; i < TAGS_TO_COMPACT.length; i += 3) {
        replaceAll(sb, TAGS_TO_COMPACT[i + 1], TAGS_TO_COMPACT[i]);
        replaceAll(sb, TAGS_TO_COMPACT[i + 2], TAGS_TO_COMPACT[i]);
    }

    replaceAll(sb, "  ", " ");

    // String.trim() without additional garbage
    int fromIndex = 0;
    int toIndex = sb.length();

    while (fromIndex < toIndex && sb.charAt(fromIndex) == ' ')
        fromIndex++;

    while (fromIndex < toIndex && sb.charAt(toIndex - 1) == ' ')
        toIndex--;

    return sb.substring(fromIndex, toIndex);
}

---

From source file:com.example.phonetic.KoelnerPhonetik.java

private String removeSequences(String str) {
    if (str == null || str.length() == 0) {
        return "";
    }//  w  w w  . j  a va 2 s.  co  m
    int i = 0, j = 0;
    StringBuilder sb = new StringBuilder().append(str.charAt(i++));
    char c;
    while (i < str.length()) {
        c = str.charAt(i);
        if (c != sb.charAt(j)) {
            sb.append(c);
            j++;
        }
        i++;
    }
    return sb.toString();
}

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From source file:org.ambraproject.util.TextUtils.java

/**
   * Given a string, and the index to start looking at, find the index of the start of the scheme. Eg.
 * <pre>/*ww w  . j  a  v a  2  s  .  c om*/
 * getSchemeIndex("notes://abc", 0) -> 0
 * getSchemeIndex("abc notes://abc", 0) -> 4
 * </pre>
 * @param str    The string to search for
 * @param startIndex   Where to start looking at
 * @return The location the string was found, ot -1 if the string was not found.
 */
private static int getSchemeIndex(StringBuilder str, int startIndex) {
    int schemeIndex = str.indexOf(UrlUtils.SCHEME_URL, startIndex + 1);

    //if it was not found, or found at the start of the string, then return 'not found'
    if (schemeIndex <= 0) {
        return -1;
    }

    //walk backwards through the scheme until we find the first non valid character
    int schemeStart;

    for (schemeStart = schemeIndex - 1; schemeStart >= 0; schemeStart--) {
        char currentChar = str.charAt(schemeStart);

        if (!UrlUtils.isValidSchemeChar(currentChar)) {
            break;
        }
    }

    //reset the scheme to the starting character
    schemeStart++;

    /*
         we don't want to do this, otherwise an invalid scheme would ruin the linking for later schemes
        if (UrlUtils.isValidScheme(str.substring(schemeStart, schemeIndex)))
            return schemeStart;
        else
            return -1;
    */
    return schemeStart;
}

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From source file:com.epam.dlab.module.ParserCsv.java

@Override
public List<String> parseRow(String line) throws ParseException {
    int realPos = 0;
    int pos = 0;/*from   w  ww .java2s .c  o m*/
    boolean isDelimiter = false;
    StringBuilder sb = new StringBuilder(line);
    List<String> row = new ArrayList<String>();

    while (pos < sb.length()) {
        char c = sb.charAt(pos);
        /*
        LOGGER.debug("Current buffer {}", sb);
        LOGGER.debug("pos {}", pos);
        LOGGER.debug("isDelimiter {}", isDelimiter);
        */
        if (c == escapeChar) {
            realPos++;
            pos++;
            if (pos == sb.length()) {
                throw getParseException("Invalid escape char", realPos, line);
            }
            sb.delete(pos - 1, pos);
            realPos++;
        } else if (c == fieldTerminator) {
            realPos++;
            if (isDelimiter) {
                realPos++;
                pos++;
                if (pos == sb.length()) {
                    sb.delete(pos - 1, pos);
                    break;
                }
                if (sb.charAt(pos) == fieldSeparator) {
                    row.add(sb.substring(0, pos - 1));
                    sb.delete(0, pos + 1);
                    pos = 0;
                    isDelimiter = false;
                    continue;
                }
                throw getParseException("Invalid field delimiter", realPos, line);
            }

            if (pos != 0) {
                throw getParseException("Unterminated field", realPos, line);
            }
            sb.delete(0, 1);
            isDelimiter = true;
            continue;
        } else if (c == fieldSeparator) {
            realPos++;
            if (isDelimiter) {
                pos++;
                continue;
            }
            row.add(sb.substring(0, pos));
            sb.delete(0, pos + 1);
            pos = 0;
        } else {
            realPos++;
            pos++;
        }
    }
    row.add(sb.toString());

    return row;
}

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From source file:com.prowidesoftware.swift.model.IBAN.java

/**
 * Translate letters to numbers, also ignoring non alphanumeric characters
 *
 * @param bban//from w  ww . j  a v  a2 s. com
 * @return the translated value
 */
public String translateChars(final StringBuilder bban) {
    final StringBuilder result = new StringBuilder();
    for (int i = 0; i < bban.length(); i++) {
        char c = bban.charAt(i);
        if (Character.isLetter(c)) {
            result.append(Character.getNumericValue(c));
        } else {
            result.append((char) c);
        }
    }
    return result.toString();
}

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From source file:org.gradle.groovy.scripts.AbstractUriScriptSource.java

/**
 * Returns the class name for use for this script source.  The name is intended to be unique to support mapping
 * class names to source files even if many sources have the same file name (e.g. build.gradle).
 *//*from  w  ww.  j a v  a 2 s.c o m*/
public String getClassName() {
    if (className == null) {
        URI sourceUri = getResource().getURI();
        String name = StringUtils.substringBeforeLast(StringUtils.substringAfterLast(sourceUri.toString(), "/"),
                ".");
        StringBuilder className = new StringBuilder(name.length());
        for (int i = 0; i < name.length(); i++) {
            char ch = name.charAt(i);
            if (Character.isJavaIdentifierPart(ch)) {
                className.append(ch);
            } else {
                className.append('_');
            }
        }
        if (!Character.isJavaIdentifierStart(className.charAt(0))) {
            className.insert(0, '_');
        }
        className.setLength(Math.min(className.length(), 30));
        className.append('_');
        String path = sourceUri.toString();
        className.append(HashUtil.createCompactMD5(path));

        this.className = className.toString();
    }

    return className;
}

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From source file:com.aionemu.gameserver.cache.HTMLCache.java

private String compactHtml(StringBuilder sb, String html) {
    sb.setLength(0);/*  ww  w  . j  a v a  2 s . co  m*/
    sb.append(html);

    for (int i = 0; i < sb.length(); i++) {
        if (Character.isWhitespace(sb.charAt(i))) {
            sb.setCharAt(i, ' ');
        }
    }

    replaceAll(sb, "  ", " ");

    replaceAll(sb, "< ", "<");
    replaceAll(sb, " >", ">");

    for (int i = 0; i < TAGS_TO_COMPACT.length; i += 3) {
        replaceAll(sb, TAGS_TO_COMPACT[i + 1], TAGS_TO_COMPACT[i]);
        replaceAll(sb, TAGS_TO_COMPACT[i + 2], TAGS_TO_COMPACT[i]);
    }

    replaceAll(sb, "  ", " ");

    // String.trim() without additional garbage
    int fromIndex = 0;
    int toIndex = sb.length();

    while (fromIndex < toIndex && sb.charAt(fromIndex) == ' ') {
        fromIndex++;
    }

    while (fromIndex < toIndex && sb.charAt(toIndex - 1) == ' ') {
        toIndex--;
    }

    return sb.substring(fromIndex, toIndex);
}

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