Package org.forgerock.openig.regex

Class StreamPatternMatches

java.lang.Object

org.forgerock.openig.regex.StreamPatternMatches

All Implemented Interfaces:

Closeable, AutoCloseable

public class StreamPatternMatches
extends Object
implements Closeable

Iterates through multiple regular expression matches within a character stream.

Constructor Summary

Constructors

Constructor	Description
StreamPatternMatches(Reader input, Collection<Pattern> patterns, boolean discard)	Constructs a new stream pattern match iterator.

Method Summary

Modifier and Type	Method	Description
void	close()	Closes this character stream, as well as the the reader it its iterating over.
boolean	hasNext()	Returns true if the character stream has more matches.
Matcher	next()	Returns the next match from the character stream.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

StreamPatternMatches

public StreamPatternMatches(Reader input,
                            Collection<Pattern> patterns,
                            boolean discard)

Constructs a new stream pattern match iterator. If discard is true, then a pattern is discarded after it is first matched.

Parameters:

input - the character stream to match regular expression patterns against.

patterns - a collection of regular expression patterns to match.

discard - indicates patterns be discarded after they yield a match.

Method Detail

next

public Matcher next()
             throws IOException

Returns the next match from the character stream. Matches are returned in the order they are encountered in the character stream, then by the order they are expressed in the supplied patterns collection.

Returns:

the next Matcher from the character stream.

Throws:

IOException - if an I/O exception occurs.

NoSuchElementException - if the reader has no more matches.

hasNext

public boolean hasNext()
                throws IOException

Returns true if the character stream has more matches.

Returns:

true if the character stream has more matches.

Throws:

IOException - if an I/O exception occurs.

close

public void close()
           throws IOException

Closes this character stream, as well as the the reader it its iterating over.

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Throws:

IOException - if an I/O exception occurs.