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From "Fabian Lange (JIRA)" <>
Subject [jira] Created: (LANG-485) StringUtils/WordUtils camelize - underscore functionality
Date Mon, 02 Mar 2009 20:44:56 GMT
StringUtils/WordUtils camelize -  underscore functionality

                 Key: LANG-485
             Project: Commons Lang
          Issue Type: New Feature
            Reporter: Fabian Lange

I recently came across a problem which I expected to be solved already by StringUtils or Word
Some input like "MY_TINY_PROPERTY" needed to be converted to a bean name "myTinyProperty".
The code I wrote for that (far from perfect) looks like this:

private String toCamelCase(String value, boolean startWithLowerCase) {
	String[] strings = StringUtils.split(value.toLowerCase(), "_");
	for (int i = startWithLowerCase ? 1 : 0; i < strings.length; i++){
		strings[i] = StringUtils.capitalize(strings[i]);
	return StringUtils.join(strings);

The way back would be a bit more complicated.

If there is consensus that such a function could be useful, I am willing to create a patch.
However I can see reasons for not creating such a functionality (especially with the way back)
because requirements might differ. What is the commons approach here. Implement something
for the 80% case?

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