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public interface ReaderSource
An interface for things that can supply (and potentially resupply) a Reader on a source stream.
| Method Summary | |
|---|---|
boolean |
canReopenSource()
Returns true if the source can be restarted (ie. if getReader() will return non-null on subsequent calls. |
void |
cleanup()
Cleans up any cached resources used by getLine(). |
String |
getLine(int lineNumber,
Janitor janitor)
Returns a line from the source, or null, if unavailable. |
Reader |
getReader()
Returns a new Reader on the underlying source object. |
| Method Detail |
|---|
Reader getReader()
throws IOException
IOException - if there was an error opening for streamboolean canReopenSource()
String getLine(int lineNumber,
Janitor janitor)
lineNumber - the number of the line of interestjanitor - helper to clean up afterwards
void cleanup()
cleanup in interface HasCleanup
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