Example usage for org.apache.commons.lang.text StrBuilder clear

Introduction

In this page you can find the example usage for org.apache.commons.lang.text StrBuilder clear.

Prototype

public StrBuilder clear() 

Source Link

Document

Clears the string builder (convenience Collections API style method).

Usage

From source file:me.taylorkelly.mywarp.bukkit.util.FormattingUtils.java

/**
   * Joins the given parts, separated by blanks. The resulting string will be wrapped into multiple lines so that each
   * line is at most as wide as the given width. Each new line will start with the given prefix.
   *//from  w  ww. ja va 2s. co  m
   * @param parts         the parts
   * @param newLinePrefix the prefix for created new lines
   * @param wrappedWidth  the width of each line
   * @return the wrapped string
   */
  private static String wrappedJoin(Iterable<String> parts, String newLinePrefix, int wrappedWidth) {
      StrBuilder ret = new StrBuilder();

      StrBuilder line = new StrBuilder();
      for (String part : parts) {
          // if the word is longer than the maximum length, add chars as long
          // as possible than make a new line
          if (getWidth(part) > wrappedWidth) {
              for (char c : part.toCharArray()) {
                  // if the maximum width is reached, make a new line
                  if (getWidth(line.toString()) + getWidth(c) > wrappedWidth) {
                      ret.appendln(line.toString());
                      line.clear();
                      line.append(newLinePrefix);
                  }
                  line.append(c);
              }
              // if the world AND the needed black is longer than the maximum
              // width make a new line and insert the word there
          } else {
              // if the maximum width is reached, make a new line
              if (getWidth(line.toString()) + getWidth(part) + getWidth(' ') > wrappedWidth) {
                  ret.appendln(line.toString());
                  line.clear();
                  line.append(newLinePrefix);
              }
              // a blank is only needed if the line is not empty AND the last
              // char is not a a blank (e.g. from prefix)
              if (!line.isEmpty() && !line.rightString(1).equals(" ")) {
                  line.append(' ');
              }
              line.append(part);
          }
      }
      // commit the line
      if (!line.isEmpty()) {
          ret.append(line);
      }
      return ret.toString();
  }

---

From source file:mitm.djigzo.web.render.impl.AbstractInlineAddClassPattern.java

private void applyPattern(StrBuilder builder) {
    Pattern pattern = getPattern();

    if (pattern != null) {
        Matcher matcher = pattern.matcher(builder.toString());

        StrBuilder copy = null;//from   www . j a  v  a 2  s . co  m

        /*
         * Because we will modify the StrBuilder (replacing matches etc.) we need
         * to keep track of changes with respect to indexes. If there is a match
         * we will create a copy of the line and do the replacing on that line. We
         * however need to correct the indexes because we are adding or removing 
         * characters to the copy.  
         */
        int indexCorrection = 0;

        while (matcher.find()) {
            if (copy == null) {
                copy = new StrBuilder(builder.toString());
            }

            String replaceWith = "<span class=\"" + className + "\">" + matcher.group() + "</span>";

            copy.replace(matcher.start() + indexCorrection, matcher.end() + indexCorrection, replaceWith);

            indexCorrection = indexCorrection + replaceWith.length() - matcher.group().length();
        }

        if (copy != null) {
            /*
             * Content has changed so replace it
             */
            builder.clear();
            builder.append(copy.toString());
        }
    }
}

---