Example usage for java.lang StringBuilder length

Introduction

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

Prototype

int length();

Source Link

Document

Returns the length of this character sequence.

Usage

From source file:Main.java

/**
 * Trim all occurrences of the supplied leading character from the given String.
 * @param str the String to check//from   ww w.  j a v  a  2  s. co  m
 * @param leadingCharacter the leading character to be trimmed
 * @return the trimmed String
 */
public static String trimLeadingCharacter(String str, char leadingCharacter) {
    if (!hasLength(str)) {
        return str;
    }
    StringBuilder sb = new StringBuilder(str);
    while (sb.length() > 0 && sb.charAt(0) == leadingCharacter) {
        sb.deleteCharAt(0);
    }
    return sb.toString();
}

From source file:com.fluidinfo.utils.StringUtil.java

/**
 * Joins an array of strings with the specified delimiter
 * @param s The strings to join//from  w ww. ja  v a 2  s  .co m
 * @param delim The delimiter
 * @return The joined strings
 */
public static String join(String[] s, String delim) {
    if (s == null || s.length == 0)
        return "";
    StringBuilder sb = new StringBuilder();
    for (int i = 0; i < s.length; i++) {
        sb.append(s[i]).append(delim);
    }
    return sb.deleteCharAt(sb.length() - 1).toString();
}

From source file:Main.java

public static String join(int[] paramArrayOfInt) {
    StringBuilder localStringBuilder = new StringBuilder(11 * paramArrayOfInt.length);
    int i = paramArrayOfInt.length;
    for (int j = 0; j < i; j++) {
        int k = paramArrayOfInt[j];
        if (localStringBuilder.length() != 0) {
            localStringBuilder.append(",");
        }/*from  ww w .j  a  va2  s.  c o m*/
        localStringBuilder.append(k);
    }
    return localStringBuilder.toString();
}

From source file:com.epam.cme.storefront.util.MetaSanitizerUtil.java

/**
 * Takes a List of KeywordModels and returns a comma separated list of keywords as String.
 * /*from   w  w w .j av a2  s .c  om*/
 * @param keywords
 *            List of KeywordModel objects
 * @return String of comma separated keywords
 */
public static String sanitizeKeywords(final List<KeywordModel> keywords) {
    if (keywords != null && !keywords.isEmpty()) {
        // Remove duplicates
        final Set<String> keywordSet = new HashSet<String>(keywords.size());
        for (final KeywordModel kw : keywords) {
            keywordSet.add(kw.getKeyword());
        }

        // Format keywords, join with comma
        final StringBuilder sb = new StringBuilder();
        for (final String kw : keywordSet) {
            sb.append(kw).append(',');
        }
        if (sb.length() > 0) {
            // Remove last comma
            return sb.substring(0, sb.length() - 1);
        }
    }
    return "";
}

From source file:Main.java

/**
 * Reads all text of the XML tag and returns it as a String.
 * Assumes that a '<' character has already been read.
 *
 * @param r The reader to read from//  w w w. ja  v  a 2 s  . com
 * @return The String representing the tag, or null if one couldn't be read
 *         (i.e., EOF).  The returned item is a complete tag including angle
 *         brackets, such as <code>&lt;TXT&gt;</code>
 */
public static String readTag(Reader r) throws IOException {
    if (!r.ready()) {
        return null;
    }
    StringBuilder b = new StringBuilder("<");
    int c = r.read();
    while (c >= 0) {
        b.append((char) c);
        if (c == '>') {
            break;
        }
        c = r.read();
    }
    if (b.length() == 1) {
        return null;
    }
    return b.toString();
}

From source file:com.linkedin.urls.PathNormalizer.java

License:asdf

/**
 * 1. Replaces "/./" with "/" recursively.
 * 2. "/blah/asdf/.." -> "/blah"//from w w  w. ja  v a2s  .  com
 * 3. "/blah/blah2/blah3/../../blah4" -> "/blah/blah4"
 * 4. "//" -> "/"
 * 5. Adds a slash at the end if there isn't one
 */
private static String sanitizeDotsAndSlashes(String path) {
    StringBuilder stringBuilder = new StringBuilder(path);
    Stack<Integer> slashIndexStack = new Stack<Integer>();
    int index = 0;
    while (index < stringBuilder.length() - 1) {
        if (stringBuilder.charAt(index) == '/') {
            slashIndexStack.add(index);
            if (stringBuilder.charAt(index + 1) == '.') {
                if (index < stringBuilder.length() - 2 && stringBuilder.charAt(index + 2) == '.') {
                    //If it looks like "/../" or ends with "/.."
                    if (index < stringBuilder.length() - 3 && stringBuilder.charAt(index + 3) == '/'
                            || index == stringBuilder.length() - 3) {
                        boolean endOfPath = index == stringBuilder.length() - 3;
                        slashIndexStack.pop();
                        int endIndex = index + 3;
                        // backtrack so we can detect if this / is part of another replacement
                        index = slashIndexStack.empty() ? -1 : slashIndexStack.pop() - 1;
                        int startIndex = endOfPath ? index + 1 : index;
                        stringBuilder.delete(startIndex + 1, endIndex);
                    }
                } else if (index < stringBuilder.length() - 2 && stringBuilder.charAt(index + 2) == '/'
                        || index == stringBuilder.length() - 2) {
                    boolean endOfPath = index == stringBuilder.length() - 2;
                    slashIndexStack.pop();
                    int startIndex = endOfPath ? index + 1 : index;
                    stringBuilder.delete(startIndex, index + 2); // "/./" -> "/"
                    index--; // backtrack so we can detect if this / is part of another replacement
                }
            } else if (stringBuilder.charAt(index + 1) == '/') {
                slashIndexStack.pop();
                stringBuilder.deleteCharAt(index);
                index--;
            }
        }
        index++;
    }

    if (stringBuilder.length() == 0) {
        stringBuilder.append("/"); //Every path has at least a slash
    }

    return stringBuilder.toString();
}

From source file:net.GoTicketing.GetNecessaryCookie.java

/**
 *  CookieMap ? http request //from  w w w  . j  a  v a 2  s.c o m
 * @param CookieMap  Map ? cookie
 * @return http request 
 */
public static String CookieMapToString(Map<String, String> CookieMap) {
    StringBuilder CookieBuilder = new StringBuilder();

    CookieMap.forEach((key, value) -> {
        CookieBuilder.append("; ").append(key).append("=").append(value);
    });

    if (CookieBuilder.length() > 2)
        return CookieBuilder.substring(2);
    else
        return CookieBuilder.toString();
}

From source file:Main.java

public static String join(long[] paramArrayOfLong) {
    StringBuilder localStringBuilder = new StringBuilder(11 * paramArrayOfLong.length);
    int i = paramArrayOfLong.length;
    for (int j = 0; j < i; j++) {
        long l = paramArrayOfLong[j];
        if (localStringBuilder.length() != 0) {
            localStringBuilder.append(",");
        }//www  .j av  a2  s  .  c  om
        localStringBuilder.append(l);
    }
    return localStringBuilder.toString();
}

From source file:net.certiv.antlr.project.util.Strings.java

/**
 * Convert a list of strings to a standard csv representation
 *//* w ww.  ja  v  a 2  s.c om*/
public static String toCsv(List<String> strs) {
    StringBuilder sb = new StringBuilder();
    for (String s : strs) {
        sb.append(s + ", ");
    }
    if (sb.length() > 1)
        sb.setLength(sb.length() - 2);
    return sb.toString();
}

From source file:Main.java

/**
 * Joins strings with the separator./*from  w  ww.jav a  2  s  .c  o  m*/
 * 
 * @param collection
 *            the collection
 * @param separator
 *            the separator
 * @return a string joined with the separator
 */
public static String join(Collection<String> collection, String separator) {
    if (collection == null) {
        throw new NullPointerException("The collection parameter is null.");
    }
    if (separator == null) {
        throw new NullPointerException("The separator parameter is null.");
    }
    StringBuilder buf = new StringBuilder();
    for (String s : collection) {
        buf.append("\"");
        buf.append(s);
        buf.append("\"");
        buf.append(separator);
    }
    if (buf.length() > 0) {
        buf.setLength(buf.length() - separator.length());
    }
    return buf.toString();
}