2 * Copyright (c) 2017 Pantheon Technologies, s.r.o. 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.parser.rfc7950.stmt.pattern;
10 import java.util.Optional;
11 import java.util.regex.Pattern;
12 import java.util.regex.PatternSyntaxException;
13 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
14 import org.opendaylight.yangtools.yang.model.api.stmt.PatternEffectiveStatement;
15 import org.opendaylight.yangtools.yang.model.api.stmt.PatternStatement;
16 import org.opendaylight.yangtools.yang.model.api.type.PatternConstraint;
17 import org.opendaylight.yangtools.yang.model.util.RegexUtils;
18 import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractStatementSupport;
19 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
20 import org.slf4j.Logger;
21 import org.slf4j.LoggerFactory;
23 abstract class AbstractPatternStatementSupport
24 extends AbstractStatementSupport<PatternConstraint, PatternStatement, PatternEffectiveStatement> {
25 private static final Logger LOG = LoggerFactory.getLogger(AbstractPatternStatementSupport.class);
27 AbstractPatternStatementSupport() {
28 super(YangStmtMapping.PATTERN, CopyPolicy.CONTEXT_INDEPENDENT);
32 public final PatternConstraint parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
33 final String pattern = RegexUtils.getJavaRegexFromXSD(value);
36 Pattern.compile(pattern);
37 } catch (final PatternSyntaxException e) {
38 LOG.debug("Pattern \"{}\" failed to compile at {}", pattern, ctx.getStatementSourceReference(), e);
42 return new PatternConstraintImpl(pattern, value, Optional.empty(), Optional.empty());
46 public final PatternStatement createDeclared(final StmtContext<PatternConstraint, PatternStatement, ?> ctx) {
47 return new PatternStatementImpl(ctx);
51 public final PatternEffectiveStatement createEffective(
52 final StmtContext<PatternConstraint, PatternStatement, PatternEffectiveStatement> ctx) {
53 return new PatternEffectiveStatementImpl(ctx);