org.apache.tools.ant.filters
public final class LineContainsRegExp extends BaseParamFilterReader implements ChainableReader
<linecontainsregexp> <regexp pattern="foo*"> </linecontainsregexp>Or:
<filterreader classname="org.apache.tools.ant.filters.LineContainsRegExp"> <param type="regexp" value="foo*"/> </filterreader>This will fetch all those lines that contain the pattern
foo
Constructor Summary | |
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LineContainsRegExp()
Constructor for "dummy" instances.
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LineContainsRegExp(Reader in)
Creates a new filtered reader.
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Method Summary | |
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void | addConfiguredRegexp(RegularExpression regExp)
Adds a regexp element.
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Reader | chain(Reader rdr)
Creates a new LineContainsRegExp using the passed in
Reader for instantiation.
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boolean | isNegated()
Find out whether we have been negated. |
int | read()
Returns the next character in the filtered stream, only including
lines from the original stream which match all of the specified
regular expressions.
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void | setNegate(boolean b)
Set the negation mode. |
See Also: BaseFilterReader
Parameters: in A Reader object providing the underlying stream.
Must not be null
.
regexp
element.
Parameters: regExp The regexp
element to add.
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: boolean negation flag.
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: b the boolean negation mode to set.