Jason Mehrens wrote:
Joe,

 > * null safe toString(Object), returning "null" for a null argument
Doesn't String.valueOf do the same thing? http://java.sun.com/javase/6/docs/api/java/lang/String.html#valueOf(java.lang.Object <http://java.sun.com/javase/6/docs/api/java/lang/String.html#valueOf%28java.lang.Object>)

Indeed it does! I'll replace the implementation with a call to String.valueOf and update the javadoc accordingly. Thanks for spotting this.

What about a toIdentityString(Object) instead? Some of the nice properties of an identity string is that it is safe to

By toIdentityString, do you mean the String that would be returned by toString if toString is not overridden?

-Joe

call from multiple threads even on objects that are not thread safe (JComponent), won't deadlock if toString is synchronized (observed in logging), and won't build run away strings (nCopies(Integer.MAX_VALUE, "lookout").toString()). Jason

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