Example usage for java.lang StringBuffer charAt

Introduction

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

Prototype

@Override
public synchronized char charAt(int index) 

Source Link

Usage

From source file:org.mule.transport.jms.JmsMessageUtils.java

/**
 * Encode a String so that is is a valid JMS header name
 *
 * @param name the String to encode/*from   w w w. j  a v a  2s  .c o m*/
 * @return a valid JMS header name
 */
public static String encodeHeader(String name) {
    // check against JMS 1.1 spec, sections 3.5.1 (3.8.1.1)
    boolean nonCompliant = false;

    if (StringUtils.isEmpty(name)) {
        throw new IllegalArgumentException("Header name to encode must not be null or empty");
    }

    int i = 0, length = name.length();
    while (i < length && Character.isJavaIdentifierPart(name.charAt(i))) {
        // zip through
        i++;
    }

    if (i == length) {
        // String is already valid
        return name;
    } else {
        // make a copy, fix up remaining characters
        StringBuffer sb = new StringBuffer(name);
        for (int j = i; j < length; j++) {
            if (!Character.isJavaIdentifierPart(sb.charAt(j))) {
                sb.setCharAt(j, REPLACEMENT_CHAR);
                nonCompliant = true;
            }
        }

        if (nonCompliant) {
            logger.warn(MessageFormat.format(
                    "Header: {0} is not compliant with JMS specification (sec. 3.5.1, 3.8.1.1). It will cause "
                            + "problems in your and other applications. Please update your application code to correct this. "
                            + "Mule renamed it to {1}",
                    name, sb.toString()));
        }

        return sb.toString();
    }
}

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From source file:com.kolich.curacao.mappers.request.types.body.EncodedRequestBodyMapper.java

private static final Map.Entry<String, String> getNextNameValuePair(final StringBuffer buffer,
        final Cursor cursor) {
    boolean terminated = false;

    int pos = cursor.getPosition(), indexFrom = cursor.getPosition(), indexTo = cursor.getUpperBound();

    // Find name//from   w w w .  j a  va 2  s.c om
    String name = null;
    while (pos < indexTo) {
        final char ch = buffer.charAt(pos);
        if (ch == KEY_VALUE_EQUALS) {
            break;
        }
        if (ch == DELIMITER) {
            terminated = true;
            break;
        }
        pos++;
    }

    if (pos == indexTo) {
        terminated = true;
        name = buffer.substring(indexFrom, indexTo).trim();
    } else {
        name = buffer.substring(indexFrom, pos).trim();
        pos++;
    }

    if (terminated) {
        cursor.updatePosition(pos);
        return Maps.immutableEntry(name, null);
    }

    // Find value
    String value = null;
    int i1 = pos;

    boolean quoted = false, escaped = false;
    while (pos < indexTo) {
        char ch = buffer.charAt(pos);
        if (ch == VALUE_DOUBLE_QUOTE && !escaped) {
            quoted = !quoted;
        }
        if (!quoted && !escaped && ch == DELIMITER) {
            terminated = true;
            break;
        }
        if (escaped) {
            escaped = false;
        } else {
            escaped = quoted && ch == '\\';
        }
        pos++;
    }

    int i2 = pos;
    // Trim leading white space
    while (i1 < i2 && (Whitespace.isWhitespace(buffer.charAt(i1)))) {
        i1++;
    }
    // Trim trailing white space
    while ((i2 > i1) && (Whitespace.isWhitespace(buffer.charAt(i2 - 1)))) {
        i2--;
    }
    // Strip away quotes if necessary
    if (((i2 - i1) >= 2) && (buffer.charAt(i1) == '"') && (buffer.charAt(i2 - 1) == '"')) {
        i1++;
        i2--;
    }

    value = buffer.substring(i1, i2);
    if (terminated) {
        pos++;
    }
    cursor.updatePosition(pos);
    return Maps.immutableEntry(name, value);
}

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From source file:com.niki.normalizer.Metaphone.java

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

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From source file:com.mg.framework.utils.StringUtils.java

/**
 * Make sure the string starts with a forward slash but does not end with one; converts
 * back-slashes to forward-slashes; if in String is null or empty, returns zero length string.
 *//*  w w  w  .ja  v  a  2s.c o m*/
public static String cleanUpPathPrefix(String prefix) {
    if (prefix == null || prefix.length() == 0)
        return "";

    StringBuffer cppBuff = new StringBuffer(prefix.replace('\\', '/'));

    if (cppBuff.charAt(0) != '/') {
        cppBuff.insert(0, '/');
    }
    if (cppBuff.charAt(cppBuff.length() - 1) == '/') {
        cppBuff.deleteCharAt(cppBuff.length() - 1);
    }
    return cppBuff.toString();
}

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From source file:org.LexGrid.util.sql.DBUtility.java

public static String escapeLdapDN(String string, boolean escapeCommas) {
    StringBuffer temp = new StringBuffer(string);
    for (int i = 0; i < temp.length(); i++) {
        if (temp.charAt(i) == '<') {
            temp.insert(i, '\\');
            i++;/* w w  w .j a  v a2  s  . co m*/
        }

        if (temp.charAt(i) == '>') {
            temp.insert(i, '\\');
            i++;
        }
        if (temp.charAt(i) == '/') {
            temp.insert(i, '\\');
            i++;
        }
        if (escapeCommas && temp.charAt(i) == ',') {
            temp.insert(i, '\\');
            i++;
        }

    }
    return temp.toString();
}

---

From source file:org.opennms.netmgt.mib2events.Mib2Events.java

public static String getTrapEventDescr(MibValueSymbol trapValueSymbol) {
    String description = ((SnmpType) trapValueSymbol.getType()).getDescription();

    // FIXME There a lot of detail here (like removing the last \n) that can go away when we don't need to match mib2opennms exactly

    final String descrStartingNewlines = description.replaceAll("^", "\n<p>");

    final String descrEndingNewlines = descrStartingNewlines.replaceAll("$", "</p>\n");

    //final String descrTabbed = descrEndingNewlines.replaceAll("(?m)^", "\t");
    //final StringBuffer dbuf = new StringBuffer(descrTabbed);

    final StringBuffer dbuf = new StringBuffer(descrEndingNewlines);
    if (dbuf.charAt(dbuf.length() - 1) == '\n') {
        dbuf.deleteCharAt(dbuf.length() - 1); // delete the \n at the end
    }/*  w w w . j a  va 2  s  . c  o  m*/

    //if (dbuf.lastIndexOf("\n") != -1) {
    //    dbuf.insert(dbuf.lastIndexOf("\n") + 1, '\t');
    //}

    //final StringBuffer dbuf = new StringBuffer(descrEndingNewlines);
    //dbuf.append("\n");

    dbuf.append("<table>");
    dbuf.append("\n");
    int vbNum = 1;
    for (MibValue vb : getTrapVars(trapValueSymbol)) {
        dbuf.append("\t<tr><td><b>\n\n\t").append(vb.getName());
        dbuf.append("</b></td><td>\n\t%parm[#").append(vbNum).append("]%;</td><td><p>");

        SnmpObjectType snmpObjectType = ((SnmpObjectType) ((ObjectIdentifierValue) vb).getSymbol().getType());
        if (snmpObjectType.getSyntax().getClass().equals(IntegerType.class)) {
            IntegerType integerType = (IntegerType) snmpObjectType.getSyntax();

            if (integerType.getAllSymbols().length > 0) {
                SortedMap<Integer, String> map = new TreeMap<Integer, String>();
                for (MibValueSymbol sym : integerType.getAllSymbols()) {
                    map.put(new Integer(sym.getValue().toString()), sym.getName());
                }

                dbuf.append("\n");
                for (Entry<Integer, String> entry : map.entrySet()) {
                    dbuf.append("\t\t").append(entry.getValue()).append("(").append(entry.getKey())
                            .append(")\n");
                }
                dbuf.append("\t");
            }
        }

        dbuf.append("</p></td></tr>\n");
        vbNum++;
    }

    if (dbuf.charAt(dbuf.length() - 1) == '\n') {
        dbuf.deleteCharAt(dbuf.length() - 1); // delete the \n at the end
    }
    dbuf.append("</table>\n\t");

    return dbuf.toString();
}

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From source file:ac.elements.parser.ExtendedFunctions.java

/**
 * Trim all occurences of the supplied character from the given String.
 * /*www  .j  a  va  2s . c o  m*/
 * @param str
 *            the String to check
 * @param ter
 *            the character to be trimmed
 * @return the trimmed String
 */
public static String trimCharacter(String str, char character) {
    if (str == null || str.length() == 0) {
        return str;
    }
    StringBuffer buf = new StringBuffer(str);
    while (buf.length() > 0 && buf.charAt(0) == character) {
        buf.deleteCharAt(0);
    }

    while (buf.length() > 0 && buf.charAt(buf.length() - 1) == character) {
        buf.deleteCharAt(buf.length() - 1);
    }
    return buf.toString();
}

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From source file:Main.java

/**
 * collapse multi-whitespace into one whitespace in the original text.
 * Support unicode white space with isWhitespace and isSpaceChar method in
 * {@link #Character}//from  ww  w  . j  a  va 2  s  .co  m
 * 
 * @param oriText
 * @return
 */
public static String collapseWhiteSpace(StringBuffer oriText) {
    if (oriText == null) {
        return null;
    }

    int oriLen = oriText.length();
    StringBuffer newText = new StringBuffer(oriLen);
    int wsCount = 0;
    char lastWs = ' ';

    for (int i = 0; i <= oriLen; i++) {
        if (i == oriLen) {
            if (wsCount == 1) {
                newText.append(lastWs);
            }

            if (wsCount > 1) {
                newText.append(' ');
            }

            wsCount = 0;
            break;
        }

        char c = oriText.charAt(i);
        if (Character.isWhitespace(c) || Character.isSpaceChar(c)) {
            wsCount++;
            lastWs = c;
        } else {
            if (wsCount == 1) {
                newText.append(lastWs);
            }

            if (wsCount > 1) {
                newText.append(' ');
            }

            wsCount = 0;

            newText.append(c);
        }
    }

    String relt = newText.toString();
    return relt;
}

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From source file:org.regenstrief.hl7.util.HL7IO.java

public static int indexOf(final StringBuffer sb, final char ch, final int startat) {
    for (int i = startat; i < sb.length(); i++) {
        if (sb.charAt(i) == ch) {
            return i;
        }/*from w w w . java 2s.  com*/
    }

    return -1;
}

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From source file:com.niki.normalizer.Metaphone.java

private static boolean isPreviousChar(StringBuffer string, int index, char c) {
    boolean matches = false;
    if (index > 0 && index < string.length()) {
        matches = string.charAt(index - 1) == c;
    }/*www. j a  va  2  s . c o m*/
    return matches;
}

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