Java Utililty Methods String Collapse

List of utility methods to do String Collapse

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Description

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

Method

charcollapse(char c)
collapse 
if (c >= diacritics.length) {
    return c;
char tc = diacritics[c];
return (tc == 0) ? c : tc;
doublecollapse(double[] w)
collapse 
if (w == null) {
    return 0.0;
double summ = 0.0d;
for (int i = 0; i < w.length; i++) {
    summ += w[i];
return summ;
...
float[]collapse(float[][] array)
Collapse a two-dimensional array to a one-dimensional one 
float[] a = new float[array[0].length * array.length];
int i = 0;
for (int x = 0; x < array.length; x++) {
    for (int y = 0; y < array[x].length; y++) {
        a[i++] = array[x][y];
return a;
...
Stringcollapse(String str, String characters, String replacement)
collapse 
if (str == null) {
    return null;
StringBuffer newStr = new StringBuffer();
boolean prevCharMatched = false;
char c;
for (int i = 0; i < str.length(); i++) {
    c = str.charAt(i);
...
Stringcollapse(String t)
collapse 
for (int i = 0, length = t.length(); i < length; i++)
    if (!Character.isWhitespace(t.charAt(i)))
        for (int j = length - 1; j >= i; j--)
            if (!Character.isWhitespace(t.charAt(j)))
                return (i > 0 ? " " : "") + t.substring(i, j + 1) + (j < length - 1 ? " " : "");
return "";
Stringcollapse(String text)
Collapses whitespace 
int len = text.length();
int s = 0;
while (s < len) {
    if (isWhiteSpace(text.charAt(s)))
        break;
    s++;
if (s == len)
...
StringcollapsedName(Class klass)
collapsed Name 
String name = klass.getName();
if (name.startsWith(PREFIX_RESOURCES)) {
    return SHORT_RESOURCES + name.substring(PREFIX_RESOURCES.length());
if (name.startsWith(PREFIX)) {
    return SHORT + name.substring(PREFIX.length());
return name;
...
StringcollapseLines(String message)
Returns a string with all break lines replaced by the string "\n" 
return message.replaceAll("\n", "\\\\n");
StringcollapseMultipleNewlinesToOne(String s)
collapse Multiple Newlines To One 
return s.replaceAll("\\\n+", "\\\n");
StringcollapseName(String name)
Collapse primitive type names. 
if (name.equals("unsigned short"))
    name = "ushort";
else if (name.equals("unsigned long"))
    name = "ulong";
else if (name.equals("unsigned long long"))
    name = "ulonglong";
else if (name.equals("long long"))
    name = "longlong";
...