Example usage for java.lang StringBuilder charAt

List of usage examples for java.lang StringBuilder charAt

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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:com.geemvc.taglib.GeemvcTagSupport.java

protected String toElementId(String name, String idSuffix) {
    StringBuilder id = new StringBuilder(ELEMENT_ID_PREFIX).append(CaseFormat.UPPER_CAMEL
            .to(CaseFormat.LOWER_HYPHEN, name).replace(Char.SQUARE_BRACKET_OPEN, Char.HYPHEN)
            .replace(Char.SQUARE_BRACKET_CLOSE, Char.HYPHEN).replace(Char.DOT, Char.HYPHEN)
            .replace(Char.SPACE, Char.HYPHEN).replace(Char.UNDERSCORE, Char.HYPHEN)
            .replace(Str.HYPHEN_2x, Str.HYPHEN));

    if (id.charAt(id.length() - 1) == Char.HYPHEN)
        id.deleteCharAt(id.length() - 1);

    if (!Str.isEmpty(idSuffix)) {
        id.append(Char.HYPHEN)//from  w w  w .j  av  a2s.  c om
                .append(idSuffix.toLowerCase().replace(Char.SQUARE_BRACKET_OPEN, Char.HYPHEN)
                        .replace(Char.SQUARE_BRACKET_CLOSE, Char.HYPHEN).replace(Char.DOT, Char.HYPHEN)
                        .replace(Char.SPACE, Char.HYPHEN).replace(Char.UNDERSCORE, Char.HYPHEN)
                        .replace(Str.HYPHEN_2x, Str.HYPHEN));
    }

    if (id.charAt(id.length() - 1) == Char.HYPHEN)
        id.deleteCharAt(id.length() - 1);

    return id.toString();
}

From source file:com.cloudlbs.core.utils.DateUtil.java

/**
 * Formats the date and returns the calendar instance that was used (which
 * may be reused)//from w ww .j ava 2 s.  c o m
 */
public static Calendar formatDate(Date date, Calendar cal, Appendable out) throws IOException {
    // using a stringBuilder for numbers can be nice since
    // a temporary string isn't used (it's added directly to the
    // builder's buffer.

    StringBuilder sb = out instanceof StringBuilder ? (StringBuilder) out : new StringBuilder();
    if (cal == null)
        cal = Calendar.getInstance(TimeZone.getTimeZone("GMT"), Locale.US);
    cal.setTime(date);

    int i = cal.get(Calendar.YEAR);
    sb.append(i);
    sb.append('-');
    i = cal.get(Calendar.MONTH) + 1; // 0 based, so add 1
    if (i < 10)
        sb.append('0');
    sb.append(i);
    sb.append('-');
    i = cal.get(Calendar.DAY_OF_MONTH);
    if (i < 10)
        sb.append('0');
    sb.append(i);
    sb.append('T');
    i = cal.get(Calendar.HOUR_OF_DAY); // 24 hour time format
    if (i < 10)
        sb.append('0');
    sb.append(i);
    sb.append(':');
    i = cal.get(Calendar.MINUTE);
    if (i < 10)
        sb.append('0');
    sb.append(i);
    sb.append(':');
    i = cal.get(Calendar.SECOND);
    if (i < 10)
        sb.append('0');
    sb.append(i);
    i = cal.get(Calendar.MILLISECOND);
    if (i != 0) {
        sb.append('.');
        if (i < 100)
            sb.append('0');
        if (i < 10)
            sb.append('0');
        sb.append(i);

        // handle canonical format specifying fractional
        // seconds shall not end in '0'. Given the slowness of
        // integer div/mod, simply checking the last character
        // is probably the fastest way to check.
        int lastIdx = sb.length() - 1;
        if (sb.charAt(lastIdx) == '0') {
            lastIdx--;
            if (sb.charAt(lastIdx) == '0') {
                lastIdx--;
            }
            sb.setLength(lastIdx + 1);
        }

    }
    sb.append('Z');

    if (out != sb)
        out.append(sb);

    return cal;
}

From source file:de.itsvs.cwtrpc.controller.RemoteServiceControllerServlet.java

protected PreparedRemoteServiceConfig getServiceConfig(HttpServletRequest request) {
    final String contextPath;
    final StringBuilder uri;
    final PreparedRemoteServiceConfig serviceConfig;

    contextPath = request.getContextPath();
    uri = new StringBuilder(request.getRequestURI());
    if ((contextPath.length() > 0) && (uri.indexOf(contextPath) == 0)) {
        uri.delete(0, contextPath.length());
    }//from   w w  w  . j  a  v  a2 s  .  com
    if ((uri.length() > 0) || (uri.charAt(0) == '/')) {
        uri.deleteCharAt(0);
    }

    if (log.isDebugEnabled()) {
        log.debug("Service URI is '" + uri + "'");
    }
    serviceConfig = getServiceConfigsByUri().get(uri.toString());

    return serviceConfig;
}

From source file:com.legstar.pli2cob.util.CobolNameResolver.java

/**
 * Creates a new string built from each valid character from name.
 * @param name the proposed name with potentially invalid characters
 * @return a name that is guaranteed to contain only valid characters
 *///from   w w w .  j  a  v a  2  s  .com
private String switchCharacters(final String name) {
    StringBuilder sb = new StringBuilder();
    for (int i = 0; i < name.length(); i++) {
        boolean valid = false;
        for (int j = 0; j < mC.length; j++) {
            if (name.charAt(i) == mC[j]) {
                sb.append(name.charAt(i));
                valid = true;
                break;
            }
        }
        /* Ignore invalid characters unless it is an
         * underscore */
        if (!valid && name.charAt(i) == '_') {
            sb.append('-');
        }
    }

    /* Check first and last characters */
    while (sb.length() > 0 && !isValidFirst(sb.charAt(0))) {
        sb.deleteCharAt(0);
    }
    while (sb.length() > 0 && !isValidLast(sb.charAt(sb.length() - 1))) {
        sb.deleteCharAt(sb.length() - 1);
    }
    return sb.toString();
}

From source file:org.apache.pig.builtin.OrcStorage.java

private String getReqiredColumnNamesString(ResourceSchema schema) {
    StringBuilder sb = new StringBuilder();
    for (ResourceFieldSchema field : schema.getFields()) {
        sb.append(field.getName()).append(",");
    }//from  ww  w .j  a  v  a  2s  . com
    if (sb.charAt(sb.length() - 1) == ',') {
        sb.deleteCharAt(sb.length() - 1);
    }
    return sb.toString();
}

From source file:com.google.testing.pogen.generator.template.TemplateUpdaterWithClassAttribute.java

protected StringBuilder buildModifiedTag(String template, HtmlTagInfo tagInfo) {
    StringBuilder tag = new StringBuilder(template.substring(tagInfo.getStartIndex(), tagInfo.getEndIndex()));
    tagInfo.setAttributeValue(generateUniqueValue());
    if (tagInfo.hasAttributeValue()) {
        int space = StringUtils.indexOfAny(tag, ' ', '\t', '\r', '\n');
        int equal;
        while (space > 0 && (equal = StringUtils.indexOf(tag, '=', space + 1)) > 0) {
            String name = tag.substring(space + 1, equal).trim();
            int leftQuote = StringUtils.indexOfAny(tag.substring(space + 1), '"', '\'') + space + 1;
            if (name.equals("class")) {
                tag.insert(leftQuote + 1, tagInfo.getAttributeValue() + " ");
                return tag;
            }/*www . ja v a2s .c  o  m*/
            space = StringUtils.indexOf(tag, tag.charAt(leftQuote), leftQuote + 1) + 1;
        }
    }
    // Deal with closed tag such as <br />
    int insertIndex = tag.length() - 2;
    String tail = ">";
    if (tag.charAt(insertIndex) == '/') {
        --insertIndex;
        tail = " />";
    }
    // Remove redundant space
    while (tag.charAt(insertIndex) == ' ') {
        insertIndex--;
    }
    // Insert the generated id attribute
    tag.setLength(insertIndex + 1);
    tag.append(" class=\"" + tagInfo.getAttributeValue() + "\"" + tail);
    return tag;
}

From source file:com.evolveum.midpoint.task.quartzimpl.work.segmentation.StringWorkSegmentationStrategy.java

private String expand(String s) {
    StringBuilder sb = new StringBuilder();
    Scanner scanner = new Scanner(s);

    while (scanner.hasNext()) {
        if (scanner.isDash()) {
            if (sb.length() == 0) {
                throw new IllegalArgumentException("Boundary specification cannot start with '-': " + s);
            } else {
                scanner.next();/*from   ww w  . j av a2s.co  m*/
                if (!scanner.hasNext()) {
                    throw new IllegalArgumentException("Boundary specification cannot end with '-': " + s);
                } else {
                    appendFromTo(sb, sb.charAt(sb.length() - 1), scanner.next());
                }
            }
        } else {
            sb.append(scanner.next());
        }
    }
    String expanded = sb.toString();
    if (marking == INTERVAL) {
        checkBoundary(expanded);
    }
    return expanded;
}

From source file:org.beangle.struts2.convention.route.Profile.java

/**
 * ???.?/<br>/*from w  w w .  j  a v  a 2  s  . co m*/
 * ?/
 * 
 * @param clazz
 * @param profile
 * @return
 */
public String getInfix(String className) {
    String postfix = getActionSuffix();
    String simpleName = className.substring(className.lastIndexOf('.') + 1);
    if (StringUtils.contains(simpleName, postfix)) {
        simpleName = StringUtils.uncapitalize(simpleName.substring(0, simpleName.length() - postfix.length()));
    } else {
        simpleName = StringUtils.uncapitalize(simpleName);
    }

    MatchInfo match = getCtlMatchInfo(className);
    StringBuilder infix = new StringBuilder(match.getReserved().toString());
    if (infix.length() > 0) {
        infix.append('.');
    }
    String remainder = StringUtils.substring(StringUtils.substringBeforeLast(className, "."),
            match.getStartIndex() + 1);
    if (remainder.length() > 0) {
        infix.append(remainder).append('.');
    }
    if (infix.length() == 0)
        return simpleName;
    infix.append(simpleName);

    // .??/
    for (int i = 0; i < infix.length(); i++) {
        if (infix.charAt(i) == '.') {
            infix.setCharAt(i, '/');
        }
    }
    return infix.toString();
}

From source file:geogebra.common.kernel.implicit.GeoImplicitPoly.java

private static void appendMultiply(StringBuilder sb) {

    if (sb.length() == 0) {
        return;//from   www. ja  va  2  s .  c  om
    }

    char ch = sb.charAt(sb.length() - 1);

    if (ch != '*' && ch != ' ') {
        sb.append('*');
    }

}

From source file:de.micromata.genome.gwiki.page.gspt.ExtendedTemplate.java

/**
 * Replace el inline expressions.//from  www.j ava 2  s. c om
 *
 * @param elements the elements
 * @param elIdx the el idx
 * @return the int
 */
private int replaceElInlineExpressions(List<ParseElement> elements, int elIdx) {
    if (elements.get(elIdx).text.indexOf("${") == -1)
        return elIdx;

    StringBuilder sb = elements.get(elIdx).text;
    elements.remove(elIdx);

    for (int i = 0; i < sb.length(); ++i) {
        char c = sb.charAt(i);
        if (c == '$' && sb.length() > i + 1 && sb.charAt(i + 1) == '{') {
            int startIdx = i;
            int endIdx = -1;
            i += 2;
            for (; i < sb.length(); ++i) {
                if (sb.charAt(i) == '}') {
                    endIdx = i;
                    break;
                }
            }
            if (endIdx == -1)
                continue;
            String rt = sb.substring(0, startIdx);
            elements.add(elIdx++, new ParseElement(Type.ConstString, rt));

            String text = sb.substring(startIdx, endIdx + 1);

            String r = "TagSupport.printEvalInlineElExpression(pageContext, \"\\" + escapeLiteral(text)
                    + "\");";
            elements.add(elIdx++, new ParseElement(Type.Statement, r));
            sb.replace(0, endIdx + 1, "");
            i = 0;
        }
    }
    if (sb.length() > 0)
        elements.add(elIdx++, new ParseElement(Type.ConstString, sb.toString()));
    return elIdx;
}