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

Introduction

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

Prototype

public boolean isEmpty() 

Source Link

Document

Checks is the string builder is empty (convenience Collections API style method).

Usage

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

/**
   * Creates a not numbered list from the given strings. Each string represents an independent entry on the list.
   * Strings that are longer than the given width will be split above several lines.
   *//  w ww  . j  a v a 2  s.c  o  m
   * @param listChar the character that will be displayed as bullet point before each entry
   * @param maxWidth the maximal width of each entry
   * @param entries  the list's entries
   * @return the list
   */
  public static String toList(char listChar, int maxWidth, List<String> entries) {
      StrBuilder ret = new StrBuilder();
      String listPrefix = listChar + " ";
      Splitter splitter = Splitter.on(' ').trimResults().omitEmptyStrings();

      for (String entry : entries) {

          if (!ret.isEmpty()) {
              ret.appendNewLine();
              // reset colors from the previous entry
              ret.append(ChatColor.RESET);
          }

          List<String> entryParts = new LinkedList<String>();
          entryParts.add(listPrefix);
          Iterables.addAll(entryParts, splitter.split(entry));

          ret.append(wrappedJoin(entryParts, "  ", maxWidth));
      }

      return ret.toString();
  }

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From source file:com.collective.celos.ci.testing.fixtures.compare.RecursiveFsObjectComparer.java

private void appendMessages(Collection<String> messages, StrBuilder strBuilder, String header) {
    if (messages.size() == 0) {
        return;/*w w  w.j a  v  a 2 s .c o  m*/
    }
    if (!strBuilder.isEmpty()) {
        strBuilder.appendNewLine();
    }
    strBuilder.append(header);
    List<String> sortedMessages = Lists.newArrayList(messages);
    Collections.sort(sortedMessages);
    strBuilder.appendWithSeparators(sortedMessages, ", ");
}

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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   ww w. j  av a2  s  . c o  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();
  }

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From source file:org.eclipse.gyrex.http.jetty.internal.admin.CertificateDefinition.java

@Override
public String getInfo() {
    try {/*from w ww.  j ava 2s .  co m*/
        final StrBuilder certInfo = new StrBuilder();
        final KeyStore ks = getKeyStore();
        final Enumeration aliases = ks.aliases();
        while (aliases.hasMoreElements()) {
            final String alias = (String) aliases.nextElement();
            if (!certInfo.isEmpty()) {
                certInfo.append(", ");
            }
            //            certInfo.append(alias).append(": ");
            if (ks.isKeyEntry(alias)) {
                Certificate[] chain = ks.getCertificateChain(alias);
                if (null == chain) {
                    final Certificate certificate = ks.getCertificate(alias);
                    chain = new Certificate[] { certificate };
                }
                for (int i = 0; i < chain.length; i++) {
                    if (i > 0) {
                        certInfo.append(" ");
                    }
                    final Certificate certificate = chain[i];
                    if (certificate instanceof X509Certificate) {
                        final X509Certificate x509 = (X509Certificate) certificate;
                        final X500PrincipalHelper helper = new X500PrincipalHelper(
                                x509.getSubjectX500Principal());
                        certInfo.append(helper.getCN());
                        certInfo.append(", valid till ").append(TO_STRING_FORMAT.format(x509.getNotAfter()));
                    } else {
                        certInfo.append("INVALID");
                    }
                }
            } else {
                certInfo.append("IGNORED");
            }
        }
        return StringUtils.trim(certInfo.toString());
    } catch (final Exception e) {
        return ExceptionUtils.getRootCauseMessage(e);
    }
}

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From source file:org.kuali.kfs.module.endow.report.service.impl.EndowmentReportServiceImpl.java

/**
 * Concatenate strings with a separator//from  w w  w.  j av  a2 s.  c  om
 * 
 * @param stringList
 * @param defaultEmptyValue
 * @return
 */
protected String getListWithSeparator(List<String> stringList, String defaultEmptyValue) {
    final String SEPARATOR = " ";
    StrBuilder builder = new StrBuilder();
    builder = builder.appendWithSeparators(stringList, SEPARATOR);
    return builder.isEmpty() ? defaultEmptyValue : builder.toString();
}

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