/**
* Given a string, replace all occurraces of 'newStr' with 'oldStr'.
*
* @param originalStr the string to modify.
* @param oldStr the string to replace.
* @param newStr the string to insert in place of the old string.
*/
public static String replaceText(String originalStr, String oldStr, String newStr) {
if (oldStr == null || newStr == null || oldStr.equals(newStr)) {
return originalStr;
}
StringBuffer result = new StringBuffer(originalStr);
int startIndex = 0;
while ((startIndex = result.indexOf(oldStr, startIndex)) != -1) {
result = result.replace(startIndex, startIndex + oldStr.length(), newStr);
startIndex += newStr.length();
}
return result.toString();
}
/**
* Given a string, replace all tabs with the appropriate number of spaces.
*
* @param tabLength the length of each tab.
* @param s the String to scan.
*/
public static void replaceTabs(int tabLength, StringBuffer s) {
int index, col;
StringBuffer whitespace;
while ((index = s.indexOf("\t")) != -1) {
whitespace = new StringBuffer();
col = index;
do {
whitespace.append(" ");
col++;
} while ((col % tabLength) != 0);
s.replace(index, index + 1, whitespace.toString());
}
}
