Example usage for java.lang StringBuffer deleteCharAt

Introduction

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

Prototype

@Override
public synchronized StringBuffer deleteCharAt(int index) 

Source Link

Usage

From source file:com.easyjf.util.StringUtils.java

/**
 * Trim leading whitespace from the given String.
 * //from   ww  w.jav a  2s  .c o  m
 * @param str
 *            the String to check
 * @return the trimmed String
 * @see java.lang.Character#isWhitespace
 */
public static String trimLeadingWhitespace(String str) {
    if (!hasLength(str))
        return str;
    StringBuffer buf = new StringBuffer(str);
    while (buf.length() > 0 && Character.isWhitespace(buf.charAt(0)))
        buf.deleteCharAt(0);
    return buf.toString();
}

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From source file:com.easyjf.util.StringUtils.java

/**
 * Trim leading and trailing whitespace from the given String.
 * /*www. j  a  va  2 s .c o  m*/
 * @param str
 *            the String to check
 * @return the trimmed String
 * @see java.lang.Character#isWhitespace
 */
public static String trimWhitespace(String str) {
    if (!hasLength(str))
        return str;
    StringBuffer buf = new StringBuffer(str);
    while (buf.length() > 0 && Character.isWhitespace(buf.charAt(0)))
        buf.deleteCharAt(0);
    while (buf.length() > 0 && Character.isWhitespace(buf.charAt(buf.length() - 1)))
        buf.deleteCharAt(buf.length() - 1);
    return buf.toString();
}

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From source file:org.latticesoft.util.common.ConvertUtil.java

/**
 * Formats the string to fit specified length with the pad character
 * @param source the source string/*from w w w .  j a  v  a  2  s.  co  m*/
 * @param length the size of the padded string
 * @param padChar the character used for padding
 * @param isLeftPad if the padding is done at left side (true) or right side (false)
 * @param trimExcess if true the excess padded would be trimmed to fit exactly the length
 */
public static String formatString(String source, int length, String pad, boolean isLeftPad,
        boolean trimExcess) {
    StringBuffer sb = new StringBuffer();
    if (source == null) {
        source = "";
    }
    sb.append(source);
    int diff = length - sb.length();
    if (diff <= 0) {
        return sb.toString();
    }

    StringBuffer sb2 = new StringBuffer();
    for (int i = 0; i < diff; i += pad.length()) {
        sb2.append(pad);
    }
    // trim excess padded characters
    // applicable if pad string is more than 1 character long
    diff = sb2.length() + sb.length() - length;
    if (diff > 0) {
        for (int i = 0; i < diff; i++) {
            sb2.deleteCharAt(sb2.length() - 1);
        }
    }
    // padd left or right
    if (isLeftPad) {
        sb2.append(sb.toString());
        sb = sb2;
    } else {
        sb.append(sb2.toString());
    }
    return sb.toString();
}

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From source file:com.easyjf.util.StringUtils.java

/**
 * Trim trailing whitespace from the given String.
 * //from  ww  w. j a v  a 2s  .c o m
 * @param str
 *            the String to check
 * @return the trimmed String
 * @see java.lang.Character#isWhitespace
 */
public static String trimTrailingWhitespace(String str) {
    if (!hasLength(str))
        return str;
    StringBuffer buf = new StringBuffer(str);
    while (buf.length() > 0 && Character.isWhitespace(buf.charAt(buf.length() - 1)))
        buf.deleteCharAt(buf.length() - 1);
    return buf.toString();
}

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From source file:org.exoplatform.wcm.webui.formgenerator.UIFormGeneratorTabPane.java

/**
 * Clean string./*w ww . java2  s .c o m*/
 *
 * @param str the str
 *
 * @return the string
 */
private static String cleanString(String str) {
    Transliterator accentsconverter = Transliterator
            .getInstance("Latin; NFD; [:Nonspacing Mark:] Remove; NFC;");
    str = accentsconverter.transliterate(str);
    //the character ? seems to not be changed to d by the transliterate function
    StringBuffer cleanedStr = new StringBuffer(str.trim());
    // delete special character
    for (int i = 0; i < cleanedStr.length(); i++) {
        char c = cleanedStr.charAt(i);
        if (c == ' ') {
            if (i > 0 && cleanedStr.charAt(i - 1) == '-') {
                cleanedStr.deleteCharAt(i--);
            } else {
                c = '_';
                cleanedStr.setCharAt(i, c);
            }
            continue;
        }
        if (i > 0 && !(Character.isLetterOrDigit(c) || c == '-')) {
            cleanedStr.deleteCharAt(i--);
            continue;
        }
        if (i > 0 && c == '-' && cleanedStr.charAt(i - 1) == '-')
            cleanedStr.deleteCharAt(i--);
    }

    if (!Character.isLetterOrDigit(cleanedStr.charAt(0))) {
        cleanedStr.deleteCharAt(0);
    }

    if (cleanedStr.length() > 0 && !Character.isLetterOrDigit(cleanedStr.charAt(cleanedStr.length() - 1))) {
        cleanedStr.deleteCharAt(cleanedStr.length() - 1);
    }

    return cleanedStr.toString().toLowerCase().replaceAll("-", "_");
}

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From source file:org.snaker.modules.base.helper.SnakerJsonHelper.java

public static String getPathJson(List<TransitionModel> tms) {
    StringBuffer buffer = new StringBuffer();
    buffer.append("paths:{");
    for (TransitionModel tm : tms) {
        buffer.append(tm.getName());/*from   ww  w .  ja va 2  s  .  c om*/
        buffer.append(":{from:'");
        buffer.append(tm.getSource().getName());
        buffer.append("',to:'");
        buffer.append(tm.getTarget().getName());
        buffer.append("', dots:[");
        if (StringUtils.isNotEmpty(tm.getG())) {
            String[] bendpoints = tm.getG().split(";");
            for (String bendpoint : bendpoints) {
                buffer.append("{");
                String[] xy = bendpoint.split(",");
                buffer.append("x:").append(getNumber(xy[0]));
                buffer.append(",y:").append(xy[1]);
                buffer.append("},");
            }
            buffer.deleteCharAt(buffer.length() - 1);
        }
        buffer.append("],text:{text:'");
        buffer.append(tm.getDisplayName());
        buffer.append("'},textPos:{");
        if (StringUtils.isNotEmpty(tm.getOffset())) {
            String[] values = tm.getOffset().split(",");
            buffer.append("x:").append(values[0]).append(",");
            buffer.append("y:").append(values[1]).append("");
        }
        buffer.append("}, props:{text:{value:''}}}");
        buffer.append(",");
    }
    buffer.deleteCharAt(buffer.length() - 1);
    buffer.append("},");
    return buffer.toString();
}

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From source file:org.exoplatform.services.cms.impl.Utils.java

/**
 * Clean string./*from   w  ww.  j  a va 2  s  .c  o  m*/
 *
 * @param str the str
 *
 * @return the string
 */
public static String cleanString(String str) {
    Transliterator accentsconverter = Transliterator
            .getInstance("Latin; NFD; [:Nonspacing Mark:] Remove; NFC;");
    str = accentsconverter.transliterate(str);
    //the character ? seems to not be changed to d by the transliterate function
    StringBuffer cleanedStr = new StringBuffer(str.trim());
    // delete special character
    for (int i = 0; i < cleanedStr.length(); i++) {
        char c = cleanedStr.charAt(i);
        if (c == ' ') {
            if (i > 0 && cleanedStr.charAt(i - 1) == '-') {
                cleanedStr.deleteCharAt(i--);
            } else {
                c = '-';
                cleanedStr.setCharAt(i, c);
            }
            continue;
        }
        if (i > 0 && !(Character.isLetterOrDigit(c) || c == '-')) {
            cleanedStr.deleteCharAt(i--);
            continue;
        }
        if (i > 0 && c == '-' && cleanedStr.charAt(i - 1) == '-')
            cleanedStr.deleteCharAt(i--);
    }
    while (StringUtils.isNotEmpty(cleanedStr.toString()) && !Character.isLetterOrDigit(cleanedStr.charAt(0))) {
        cleanedStr.deleteCharAt(0);
    }
    String clean = cleanedStr.toString().toLowerCase();
    if (clean.endsWith("-")) {
        clean = clean.substring(0, clean.length() - 1);
    }

    return clean;
}

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From source file:net.lightbody.bmp.proxy.jetty.util.URI.java

/** Add two URI path segments.
 * Handles null and empty paths, path and query params (eg ?a=b or
 * ;JSESSIONID=xxx) and avoids duplicate '/'
 * @param p1 URI path segment /*from  w  w w.  j av  a  2s  . co m*/
 * @param p2 URI path segment
 * @return Legally combined path segments.
 */
public static String addPaths(String p1, String p2) {
    if (p1 == null || p1.length() == 0) {
        if (p2 == null || p2.length() == 0)
            return p1;
        return p2;
    }
    if (p2 == null || p2.length() == 0)
        return p1;

    int split = p1.indexOf(';');
    if (split < 0)
        split = p1.indexOf('?');
    if (split == 0)
        return p2 + p1;
    if (split < 0)
        split = p1.length();

    StringBuffer buf = new StringBuffer(p1.length() + p2.length() + 2);
    buf.append(p1);

    if (buf.charAt(split - 1) == '/') {
        if (p2.startsWith("/")) {
            buf.deleteCharAt(split - 1);
            buf.insert(split - 1, p2);
        } else
            buf.insert(split, p2);
    } else {
        if (p2.startsWith("/"))
            buf.insert(split, p2);
        else {
            buf.insert(split, '/');
            buf.insert(split + 1, p2);
        }
    }

    return buf.toString();
}

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From source file:com.liferay.util.Http.java

public static String parameterMapToStringNoEncode(Map parameterMap) {

    StringBuffer sb = new StringBuffer();

    if (parameterMap.size() > 0) {

        sb.append(StringPool.QUESTION);/* www  .j av a 2  s .  c o m*/

        Iterator itr = parameterMap.entrySet().iterator();

        while (itr.hasNext()) {
            Map.Entry entry = (Map.Entry) itr.next();

            String name = (String) entry.getKey();
            String[] values = (String[]) entry.getValue();

            for (int i = 0; i < values.length; i++) {
                sb.append(name);
                sb.append(StringPool.EQUAL);
                sb.append(values[i]);
                sb.append(StringPool.AMPERSAND);
            }
        }

        sb.deleteCharAt(sb.length() - 1);
    }

    return sb.toString();
}

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From source file:org.eclim.plugin.jdt.util.JavaUtils.java

/**
 * Format a region in the supplied source file.
 *
 * @param src The ICompilationUnit./*from  ww w. j  a va2 s  .c  om*/
 * @param kind The kind of code snippet to format.
 * @param offset The starting offset of the region to format.
 * @param length The length of the region to format.
 */
public static void format(ICompilationUnit src, int kind, int offset, int length) throws Exception {
    IBuffer buffer = src.getBuffer();
    String contents = buffer.getContents();
    String delimiter = StubUtility.getLineDelimiterUsed(src);
    DefaultCodeFormatter formatter = new DefaultCodeFormatter(src.getJavaProject().getOptions(true));

    // when the eclipse indent settings differ from vim (tabs vs spaces) then
    // the inserted method's indent may be a bit off. this is a workaround to
    // force reformatting of the code from the start of the line to the start of
    // the next set of code following the new method. Doesn't quite fix indent
    // formatting of methods in nested classes.
    while (offset > 0 && !IndentManipulation.isLineDelimiterChar(buffer.getChar(offset - 1))) {
        offset--;
        length++;
    }
    while ((offset + length) < contents.length()
            && IndentManipulation.isLineDelimiterChar(buffer.getChar(offset + length))) {
        length++;
    }

    TextEdit edits = formatter.format(kind, contents, offset, length, 0, delimiter);
    if (edits != null) {
        int oldLength = contents.length();
        Document document = new Document(contents);
        edits.apply(document);

        String formatted = document.get();

        // jdt formatter can introduce trailing whitespace (javadoc comments), so
        // we'll remove all trailing whitespace from the formatted section.
        length += formatted.length() - oldLength;
        if (offset < (offset + length)) {
            String pre = formatted.substring(0, offset);
            StringBuffer section = new StringBuffer(formatted.substring(offset, offset + length));
            StringBuffer post = new StringBuffer(formatted.substring(offset + length));
            // account for section not ending at a line delimiter
            while (!section.toString().endsWith(delimiter) && post.length() > 0) {
                section.append(post.charAt(0));
                post.deleteCharAt(0);
            }

            Matcher matcher = TRAILING_WHITESPACE.matcher(section);
            String stripped = matcher.replaceAll(StringUtils.EMPTY);

            src.getBuffer().setContents(pre + stripped + post);
        } else {
            src.getBuffer().setContents(formatted);
        }

        if (src.isWorkingCopy()) {
            src.commitWorkingCopy(true, null);
        }
        src.save(null, false);
    }
}

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