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https://issues.apache.org/jira/browse/IO-679?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Proneel Guptan updated IO-679:
------------------------------
Description:
Ran into a bug with AbstractCharacterFilterReader where I noticed that my
filter was not receiving the actual characters, but was instead receiving an
int value corresponding to the number of chars in my input stream buffer.
I looked at the [source
file|https://github.com/apache/commons-io/blob/master/src/main/java/org/apache/commons/io/input/AbstractCharacterFilterReader.java]
and realized that on line 64:
{{if (filter(read)) {}}
should have been:
{{if (filter(cbuf[readPos])) {}}
'read` has the number of bytes read from the source reader, not the code point
of the character read.
I have attached a sample program that illustrates the issue.
I can work on a patch and submit it when done. I will add a test case in the
patch.
was:
Ran into a bug with AbstractCharacterFilterReader where I noticed that my
filter was not receiving the actual characters, but was instead receiving an
int value corresponding to the number of chars in my input stream buffer.
I looked at the [source
file|[https://github.com/apache/commons-io/blob/master/src/main/java/org/apache/commons/io/input/AbstractCharacterFilterReader.java]]
and realized that on line 64:
{{if (filter(read)) {}}
should have been:
{{if (filter(cbuf[readPos])) {}}
'read` has the number of bytes read from the source reader, not the code point
of the character read.
I have attached a sample program that illustrates the issue.
I can work on a patch and submit it when done. I will add a test case in the
patch.
> input.AbstractCharacterFilterReader passes count of chars read to filter, not
> the filter char
> ---------------------------------------------------------------------------------------------
>
> Key: IO-679
> URL: https://issues.apache.org/jira/browse/IO-679
> Project: Commons IO
> Issue Type: Bug
> Components: Streams/Writers
> Affects Versions: 2.7
> Reporter: Proneel Guptan
> Priority: Major
> Attachments: AbstractCharacterFilterIssue.java
>
>
> Ran into a bug with AbstractCharacterFilterReader where I noticed that my
> filter was not receiving the actual characters, but was instead receiving an
> int value corresponding to the number of chars in my input stream buffer.
> I looked at the [source
> file|https://github.com/apache/commons-io/blob/master/src/main/java/org/apache/commons/io/input/AbstractCharacterFilterReader.java]
> and realized that on line 64:
> {{if (filter(read)) {}}
> should have been:
> {{if (filter(cbuf[readPos])) {}}
> 'read` has the number of bytes read from the source reader, not the code
> point of the character read.
> I have attached a sample program that illustrates the issue.
> I can work on a patch and submit it when done. I will add a test case in the
> patch.
>
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