/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* See LICENSE.txt included in this distribution for the specific
* language governing permissions and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at LICENSE.txt.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2008, 2015, Oracle and/or its affiliates. All rights reserved.
*/
package org.opensolaris.opengrok.search.context;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.regex.Pattern;
import java.util.regex.PatternSyntaxException;
import org.opensolaris.opengrok.logger.LoggerFactory;
/**
*
* @author dobrou@gmail.com
*/
class RegexpMatcher extends LineMatcher {
private static final Logger LOGGER = LoggerFactory.getLogger(RegexpMatcher.class);
private final Pattern termRegexp;
public RegexpMatcher(String term, boolean caseInsensitive) {
super(caseInsensitive);
Pattern regexp;
try {
regexp = Pattern.compile(term, caseInsensitive ? Pattern.CASE_INSENSITIVE : 0 );
} catch ( PatternSyntaxException e) {
regexp = null;
LOGGER.log(Level.WARNING, "RegexpMatcher: {0}", e.getMessage() );
}
this.termRegexp = regexp;
}
@Override
public int match(String line) {
return (termRegexp != null && termRegexp.matcher(line).matches() )
? MATCHED
: NOT_MATCHED
;
}
}