gov.llnl.babel.symbols

Class RegexMatch

java.lang.Object

gov.llnl.babel.symbols.RegexMatch

public class RegexMatch
extends java.lang.Object

Provide regular expression matching for SymbolID against regular expressions. This class used to use reflection to avoid a compile type dependence on java.util.regex. Now, we assume java.util.regex is available.

Constructor Summary

Constructors

Constructor and Description
RegexMatch(java.lang.String regex) Create a regular expression matching object.

Method Summary

Modifier and Type	Method and Description
static boolean	hasRegex() Return true iff the current runtime system has regular expression support.
boolean	match(SymbolID id) Return true if the SymbolID matches the compiled regular expression.

Methods inherited from class java.lang.Object

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

Constructor Detail

RegexMatch

public RegexMatch(java.lang.String regex)
           throws RegexUnsupportedException,
                  java.util.regex.PatternSyntaxException

Create a regular expression matching object.

Parameters:

regex - a regular expression to be compiled.

Throws:

RegexUnsupportedException - this exception indicates that the runtime environment lacks the necessary.

BadRegexException - this exception indicates that the regular expression had a syntax error. The message tries to indicate where the error occured.

java.util.regex.PatternSyntaxException

Method Detail

hasRegex

public static boolean hasRegex()

Return true iff the current runtime system has regular expression support.

match

public boolean match(SymbolID id)

Return true if the SymbolID matches the compiled regular expression.

Parameters:

id - the symbol that will be compared with the regular expression.

Returns:

true indicates that the SymbolID matches the regular expression.