org.apache.tools.ant.filters
public final class TailFilter extends BaseParamFilterReader implements ChainableReader
n
lines of a stream. (Default is last10 lines.)
Example:
<tailfilter lines="3"/>Or:
<filterreader classname="org.apache.tools.ant.filters.TailFilter"> <param name="lines" value="3"/> </filterreader>
Constructor Summary | |
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TailFilter()
Constructor for "dummy" instances.
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TailFilter(Reader in)
Creates a new filtered reader.
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Method Summary | |
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Reader | chain(Reader rdr)
Creates a new TailFilter using the passed in
Reader for instantiation.
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int | read()
Returns the next character in the filtered stream. |
void | setLines(long lines)
Sets the number of lines to be returned in the filtered stream.
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void | setSkip(long skip)
Sets the number of lines to be skipped in the filtered stream.
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See Also: BaseFilterReader
Parameters: in A Reader object providing the underlying stream.
Must not be null
.
Parameters: rdr A Reader object providing the underlying stream.
Must not be null
.
Returns: a new filter based on this configuration, but filtering the specified reader
Returns: the next character in the resulting stream, or -1 if the end of the resulting stream has been reached
Throws: IOException if the underlying stream throws an IOException during reading
Parameters: lines the number of lines to be returned in the filtered stream
Parameters: skip the number of lines to be skipped in the filtered stream