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.when;
10 import static java.util.Objects.requireNonNull;
12 import com.google.common.collect.ImmutableList;
13 import org.eclipse.jdt.annotation.NonNull;
14 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
15 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
16 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
17 import org.opendaylight.yangtools.yang.model.api.stmt.WhenEffectiveStatement;
18 import org.opendaylight.yangtools.yang.model.api.stmt.WhenStatement;
19 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.BaseStatementSupport;
20 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.XPathSupport;
21 import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx.Current;
22 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
23 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
24 import org.opendaylight.yangtools.yang.xpath.api.YangXPathExpression.QualifiedBound;
26 public final class WhenStatementSupport
27 extends BaseStatementSupport<QualifiedBound, WhenStatement, WhenEffectiveStatement> {
28 private static final SubstatementValidator SUBSTATEMENT_VALIDATOR = SubstatementValidator.builder(
30 .addOptional(YangStmtMapping.DESCRIPTION)
31 .addOptional(YangStmtMapping.REFERENCE)
34 private final @NonNull XPathSupport xpathSupport;
36 private WhenStatementSupport(final XPathSupport xpathSupport) {
37 super(YangStmtMapping.WHEN);
38 this.xpathSupport = requireNonNull(xpathSupport);
41 public static WhenStatementSupport createInstance(final XPathSupport xpathSupport) {
42 return new WhenStatementSupport(xpathSupport);
46 public QualifiedBound parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
47 return xpathSupport.parseXPath(ctx, value);
51 protected SubstatementValidator getSubstatementValidator() {
52 return SUBSTATEMENT_VALIDATOR;
56 protected WhenStatement createDeclared(final StmtContext<QualifiedBound, WhenStatement, ?> ctx,
57 final ImmutableList<? extends DeclaredStatement<?>> substatements) {
58 return new RegularWhenStatement(ctx.getRawArgument(), ctx.getArgument(), substatements);
62 protected WhenStatement createEmptyDeclared(final StmtContext<QualifiedBound, WhenStatement, ?> ctx) {
63 return new EmptyWhenStatement(ctx.getRawArgument(), ctx.getArgument());
67 protected WhenEffectiveStatement createEffective(final Current<QualifiedBound, WhenStatement> stmt,
68 final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
69 return substatements.isEmpty() ? new EmptyWhenEffectiveStatement(stmt.declared())
70 : new RegularWhenEffectiveStatement(stmt.declared(), substatements);