Michael Bazos created LANG-1030:
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Summary: StringUtils.same opposite method to StringUtils.differ
Key: LANG-1030
URL: https://issues.apache.org/jira/browse/LANG-1030
Project: Commons Lang
Issue Type: Improvement
Affects Versions: 3.3.2
Reporter: Michael Bazos
Priority: Trivial
This is pretty easy to do but I have seen this come up and was surprised to
find that StringUtils didn't have a utility method.
The difference() method is described as doing the following:
Compares two Strings, and returns the portion where they differ.
What I am proposing is essentially the opposite of the difference method called
same(). This method would compare two String and return a new String when they
are the same.
This is essentially the implementation:
public static String same(String str1, String str2) {
if (equalsIgnoreCase(str1, str2)) {
return new String(str1);
}
return null;
}
StringUtils.same(null, null) = null
StringUtils.same("", "") = "";
StringUtils.same("123", "") = null
StringUtils.same("123", "123") = "123";
If there is already a way to do this using the apache lang library please point
me in the right direction. Otherwise I would be more than happy to do the
testing, coding and documentation for this.
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