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https://issues.apache.org/jira/browse/LANG-510?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12830677#action_12830677
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Henri Yandell edited comment on LANG-510 at 2/7/10 7:31 AM:
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Played with changing left/right/mid. Issue here, same substring will have, is
that it changes the method from String left(String) to CharSequence
left(CharSequence) due to the reliance on subSequence.
That means using code is going to have to start casting. Ugh. That will be a
general issue for any String manipulation as opposed to query API. For these
methods we are going to need to do overloads:
{code:java}
String doFoo(String)
CharSequence doFoo(CharSequence)
{code}
Smells likely to be copy and paste code. Ugh again.
UPDATE: Must be late... this is generics territory :)
UPDATE2: Too late for brain today apparently. Generics get hurt by EMPTY being
a String and subSequence returning a CharSequence. On the plus side - I did
identify that copy and paste is not needed in the overloads.
was (Author: bayard):
Played with changing left/right/mid. Issue here, same substring will have,
is that it changes the method from String left(String) to CharSequence
left(CharSequence) due to the reliance on subSequence.
That means using code is going to have to start casting. Ugh. That will be a
general issue for any String manipulation as opposed to query API. For these
methods we are going to need to do overloads:
{code:java}
String doFoo(String)
CharSequence doFoo(CharSequence)
{code}
Smells likely to be copy and paste code. Ugh again.
UPDATE: Must be late... this is generics territory :)
> Convert StringUtils API to take CharSequence
> --------------------------------------------
>
> Key: LANG-510
> URL: https://issues.apache.org/jira/browse/LANG-510
> Project: Commons Lang
> Issue Type: Improvement
> Components: lang.*
> Reporter: Henri Yandell
> Fix For: 3.0
>
> Attachments: LANG-510-indexOf.patch
>
>
> Wherever possible, use CharSequence and not String in the StringUtils API.
> substring can go to subSequence inside code. The general substring method can
> be replaced with a subSequence method and substring deprecated(?). One
> question is whether to implement a CharSequence.indexOf type method. Given
> that it's merely a walking method(?!?), this might be quite handy and would
> allow a bunch of StringUtils methods to move over.
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