2 * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.yangtools.yang.data.impl.codec;
10 import static java.util.Objects.requireNonNull;
12 import java.util.Optional;
13 import java.util.regex.Pattern;
14 import org.opendaylight.yangtools.yang.common.ErrorType;
15 import org.opendaylight.yangtools.yang.data.api.codec.YangInvalidValueException;
16 import org.opendaylight.yangtools.yang.model.api.type.ModifierKind;
17 import org.opendaylight.yangtools.yang.model.api.type.PatternConstraint;
19 final class CompiledPatternContext {
20 private final PatternConstraint constraint;
21 private final Pattern pattern;
22 private final boolean invert;
24 CompiledPatternContext(final PatternConstraint yangConstraint) {
25 constraint = requireNonNull(yangConstraint);
26 pattern = Pattern.compile(yangConstraint.getJavaPatternString());
28 final Optional<ModifierKind> optModifier = yangConstraint.getModifier();
29 if (optModifier.isPresent()) {
30 invert = switch (optModifier.orElseThrow()) {
31 case INVERT_MATCH -> true;
38 void validate(final String str) {
39 if (pattern.matcher(str).matches() == invert) {
40 throw new YangInvalidValueException(ErrorType.APPLICATION, constraint,
41 "Value '" + str + "' " + (invert ? "matches" : "does not match") + " regular expression '"
42 + constraint.getRegularExpressionString() + "'");