/*
* SonarQube Java
* Copyright (C) 2012-2016 SonarSource SA
* mailto:contact AT sonarsource DOT com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.sonar.java.checks.xml.maven.helpers;
import org.sonar.maven.model.LocatedAttribute;
import javax.annotation.Nullable;
import java.util.regex.Pattern;
public class PatternMatcher implements LocatedAttributeMatcher {
private final Pattern pattern;
public PatternMatcher(String regex) {
this.pattern = compileRegex(regex);
}
@Override
public boolean test(@Nullable LocatedAttribute attribute) {
return attribute != null && pattern.matcher(attribute.getValue()).matches();
}
private static Pattern compileRegex(String regex) {
try {
return Pattern.compile(regex, Pattern.DOTALL);
} catch (IllegalArgumentException e) {
throw new IllegalArgumentException("Unable to compile the regular expression: " + regex, e);
}
}
}