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:com.smartitengineering.version.api.factory.VersionAPI.java

/**
 * Throw away all the '/' from beginning and end of the resourceId.
 * @param resourceId Id to trim//from  www  .ja  v a2 s.  com
 * @return Trimmed version of the resourceId
 */
public static String trimToProperResourceId(String resourceId) {
    if (StringUtils.isBlank(resourceId)) {
        return "";
    }
    StringBuilder result = new StringBuilder(resourceId.trim());
    while (result.charAt(0) == '/') {
        result.deleteCharAt(0);
    }
    while (result.charAt(result.length() - 1) == '/') {
        result.deleteCharAt(result.length() - 1);
    }
    return result.toString();
}

From source file:ru.org.linux.tag.TagService.java

public static String toString(Collection<String> tags) {
    if (tags.isEmpty()) {
        return "";
    }/*from w  w w  . jav  a 2s .  c  om*/

    StringBuilder str = new StringBuilder();

    for (String tag : tags) {
        str.append(str.length() > 0 ? "," : "").append(tag);
    }

    return str.toString();
}

From source file:br.msf.commons.text.HexUtils.java

/**
 * Puts a separator between groups of <tt>groupLen</tt> nibbles.
 * <p/>/*from  w w  w. j  a va  2 s . co m*/
 * Also, puts leading zeroes when necessary.
 *
 * @param hexString The hex string to be formatted.
 * @param groupLen  The length of the groups of nibbles.
 * @return The formatted hex string.
 */
public static String format(final String hexString, final int groupLen) {
    final String unformatted = unformat(hexString);
    ArgumentUtils.rejectIfDontMatches(unformatted, HEX_PATTERN);
    final StringBuilder buffer = new StringBuilder();
    final StringBuilder formatted = new StringBuilder();
    for (int i = CharSequenceUtils.indexOfLastChar(unformatted); i >= 0; i--) {
        buffer.insert(0, unformatted.charAt(i));
        if (buffer.length() == groupLen) {
            /* When the buffer reaches 'groupLen' size, its contents is passed to 'formatted'. */
            if (i > 0) {
                /*
                 * If unprocessed chars remains on the original string, them we put the separator on the buffer
                 * start.
                 */
                buffer.insert(0, GROUP_SEPARATOR);
            }
            /* we pass the buffer value to the 'formatted' accumulator */
            formatted.insert(0, buffer);
            /* empty the buffer */
            buffer.replace(0, buffer.length(), "");
        }
    }
    /* If unprocessed chars remains on the buffer, it means that we need to fill it up with trailing zeroes. */
    if (buffer.length() > 0) {
        buffer.insert(0, StringUtils.repeat("0", groupLen - buffer.length()));
        /* we pass the buffer value to the 'formatted' accumulator */
        formatted.insert(0, buffer);
    }
    return formatted.toString();
}

From source file:com.github.gekoh.yagen.api.DefaultNamingStrategy.java

public static String concatColumnNames(String columnNameList) {
    StringBuilder colName = new StringBuilder();
    for (String s : columnNameList.split("[, ]")) {
        if (s.trim().length() < 1) {
            continue;
        }//from   w  ww .  jav a 2  s .c om

        if (colName.length() > 0) {
            colName.append("_");
        }
        colName.append(s.replace("_", ""));
    }
    return colName.toString();
}

From source file:Main.java

/**
 * Python-like joining strings!/*from  ww  w  . ja va 2  s.  c  om*/
 */
@Nullable
public static CharSequence join(@Nullable CharSequence divider, @NonNull CharSequence... array) {
    StringBuilder sb = new StringBuilder();

    boolean divide = false;
    for (CharSequence cs : array) {
        if (cs != null) {
            if (divide && divider != null) {
                sb.append(divider);
            } else {
                divide = true;
            }
            sb.append(cs);
        }
    }

    return sb.length() == 0 ? null : sb;
}

From source file:com.symphony.jirabot.clients.QuandlClient.java

private static String mapToQueryString(HashMap<String, Object> parameters) {
    if (parameters == null || parameters.size() == 0) {
        return "";
    }/*  w w  w  .j  a  va  2  s . c om*/

    StringBuilder queryString = new StringBuilder("&");
    for (String key : parameters.keySet()) {
        queryString.append(urlEncodeUTF8(key));
        queryString.append("=");
        queryString.append(urlEncodeUTF8(parameters.get(key).toString()));
        queryString.append("&");
    }

    if (queryString.charAt(queryString.length() - 1) == '&') {
        queryString = queryString.deleteCharAt(queryString.length() - 1);
    }

    return queryString.toString();
}

From source file:au.org.ala.delta.editor.EditorPreferences.java

/**
 * Removes the specified file from the most recently used file list
 * @param filename The filename to remove
 *//*from   www. ja va 2  s  .  com*/
public static void removeFileFromMRU(String filename) {

    String[] existingFiles = getPreviouslyUsedFiles();

    StringBuilder b = new StringBuilder();
    for (int i = 0; i < existingFiles.length; ++i) {

        if (!existingFiles[i].equalsIgnoreCase(filename)) {

            if (b.length() > 0) {
                b.append(MRU_SEPARATOR);
            }
            b.append(existingFiles[i]);
        }
    }

    Preferences prefs = Preferences.userNodeForPackage(DeltaEditor.class);
    prefs.put(MRU_PREF_KEY, b.toString());
    try {
        prefs.sync();
    } catch (BackingStoreException e) {
        throw new RuntimeException(e);
    }

}

From source file:Main.java

public static <T> T unsupported(final String op, final Object... a) {
    final StringBuilder msg = new StringBuilder(INITIAL_SIZE);
    msg.append("Nobody told me how to run ");
    msg.append(op);/*from  w w  w .ja v a2 s.c  om*/
    if (a.length > 0) {
        msg.append(" with parameters of class: ");
        for (final Object o : a) {
            msg.append(o == null ? "null" : o.getClass().getSimpleName());
            msg.append(", ");
        }
        msg.delete(msg.length() - 2, msg.length());
        msg.append('.');
    }
    throw new UnsupportedOperationException(msg.toString());
}

From source file:at.gv.egiz.slbinding.SLUnmarshaller.java

private static JAXBContext createJAXBContext(Collection<String> packageNames) throws JAXBException {
    StringBuilder contextPath = new StringBuilder();
    for (String pkg : packageNames) {
        if (contextPath.length() > 0) {
            contextPath.append(':');
        }//from w  w w  .  ja  v a  2s  .co m
        contextPath.append(pkg);
    }
    return JAXBContext.newInstance(contextPath.toString());
}

From source file:com.aliyun.odps.local.common.utils.SchemaUtils.java

/**
 * ???//  ww w . j  a  v  a 2  s  .c  om
 *
 * @param cols
 *     
 * @return ??
 * @see #fromString(String)
 */
public static String toString(Column[] cols) {
    if (cols == null) {
        return "";
    }
    StringBuilder sb = new StringBuilder();
    for (Column c : cols) {
        if (c == null) {
            continue;
        }
        if (sb.length() > 0) {
            sb.append(SEPERATOR);
        }
        sb.append(c.getName()).append(DELIMITER).append(c.getType().toString());
    }
    return sb.toString();
}