Java Utililty Methods String Shorten

List of utility methods to do String Shorten

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Description

The list of methods to do String Shorten are organized into topic(s).

Method

Stringshorten(String text, int max)
shorten 
if (text == null)
    return "";
if (text.length() <= max)
    return text;
if (max <= 5)
    return text.substring(0, max);
return text.substring(0, max - 2) + "..";
Stringshorten(String text, int size, int mode)
Shortens a given String "text" down to size length, indicating the shortening by three dots ("..."). 
StringBuilder temp = null;
size = Math.min(text.length(), size);
switch (mode) {
case SHORTEN_START: {
    int length = size - 3;
    temp = new StringBuilder(SHORTEN_STRING);
    temp.append(text.substring(text.length() - length));
    break;
...
String[]shorten(String[] a, int from, int to)
shorten 
if (to >= a.length) {
    to = a.length - 1;
String[] b = new String[to - from];
while (from <= to) {
    b[from] = a[from];
    from++;
return b;
StringshortenAddress(String address)
shorten Address 
if (address != null && address.length() > 4) {
    return address.substring(0, 4) + " ...";
} else {
    return address;
byte[]shortenArray(byte[] src, int length)
shorten Array 
if (length < src.length) {
    byte[] shortened = new byte[length];
    System.arraycopy(src, 0, shortened, 0, length);
    return shortened;
return src;
StringshortenClassName(Class klass)
shorten Class Name 
return simpleClassName(klass).replace('$', '_').toLowerCase();
StringshortenClassName(Class clazz, int maxLength)
shorten Class Name 
String name = clazz.getSimpleName();
Package pkg = clazz.getPackage();
if (pkg == null) {
    return name;
} else {
    String[] tokens = pkg.getName().split("\\.");
    boolean shortened = false;
    for (int i = tokens.length - 1; i > -1; i--) {
...
StringshortenClassName(String cname)
shorten Class Name 
String ret = cname;
if (ret.startsWith("ca.nrc.cadc."))
    ret = ret.substring("ca.nrc.cadc.".length());
while (ret.length() > 30) 
    int ii = ret.indexOf('.');
    if (ii > 0)
        ret = ret.substring(ii + 1);
...
StringshortenClassName(String str)
shorten Class Name 
String ret = str;
if (str.lastIndexOf(".") != -1) {
    ret = ret.substring(ret.lastIndexOf(".") + 1);
if (str.lastIndexOf("$") != -1) {
    ret = ret.substring(ret.lastIndexOf("$") + 1);
return ret;
...
StringshortenComponentLoggerName(String loggerName)
Shortens a component logger name. 
String result = "?";
if (loggerName != null) {
    int index = loggerName.lastIndexOf('.');
    if (index < loggerName.length() - 1) {
        result = loggerName.substring(index + 1).replace('-', ' ');
        if (result.toLowerCase().startsWith("petals "))
            result = result.substring(7);
return result;