Bug in method appendFixedWidthPadRight of class StrBuilder causes an
ArrayIndexOutOfBoundsException
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Key: LANG-299
URL: http://issues.apache.org/jira/browse/LANG-299
Project: Commons Lang
Issue Type: Bug
Affects Versions: 2.2
Reporter: Francisco Benavent
There's a bug in method appendFixedWidthPadRight of class StrBuilder:
public StrBuilder appendFixedWidthPadRight(Object obj, int width, char padChar)
{
if (width > 0) {
ensureCapacity(size + width);
String str = (obj == null ? getNullText() : obj.toString());
int strLen = str.length();
if (strLen >= width) {
==> str.getChars(0, strLen, buffer, size); <==== BUG: it should
be str.getChars(0, width, buffer, size);
} else {
int padLen = width - strLen;
str.getChars(0, strLen, buffer, size);
for (int i = 0; i < padLen; i++) {
buffer[size + strLen + i] = padChar;
}
}
size += width;
}
return this;
}
This is causing an ArrayIndexOutOfBoundsException, so this method is unusable
when strLen > width.
It's counterpart method appendFixedWidthPadLeft seems to be ok.
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