yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/stmt/when/WhenStatementSupport.java

   1 /*
   2  * Copyright (c) 2017 Pantheon Technologies, s.r.o. and others.  All rights reserved.
   3  *
   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
   7  */
   8 package org.opendaylight.yangtools.yang.parser.rfc7950.stmt.when;
   9
  10 import static java.util.Objects.requireNonNull;
  11
  12 import org.eclipse.jdt.annotation.NonNull;
  13 import org.opendaylight.yangtools.yang.model.api.RevisionAwareXPath;
  14 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
  15 import org.opendaylight.yangtools.yang.model.api.stmt.WhenEffectiveStatement;
  16 import org.opendaylight.yangtools.yang.model.api.stmt.WhenStatement;
  17 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.XPathSupport;
  18 import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractStatementSupport;
  19 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
  20 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
  21
  22 public final class WhenStatementSupport
  23         extends AbstractStatementSupport<RevisionAwareXPath, WhenStatement, WhenEffectiveStatement> {
  24     private static final SubstatementValidator SUBSTATEMENT_VALIDATOR = SubstatementValidator.builder(
  25         YangStmtMapping.WHEN)
  26         .addOptional(YangStmtMapping.DESCRIPTION)
  27         .addOptional(YangStmtMapping.REFERENCE)
  28         .build();
  29
  30     private final @NonNull XPathSupport xpathSupport;
  31
  32     private WhenStatementSupport(final XPathSupport xpathSupport) {
  33         super(YangStmtMapping.WHEN);
  34         this.xpathSupport = requireNonNull(xpathSupport);
  35     }
  36
  37     public static WhenStatementSupport createInstance(final XPathSupport xpathSupport) {
  38         return new WhenStatementSupport(xpathSupport);
  39     }
  40
  41     @Override
  42     public RevisionAwareXPath parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
  43         return xpathSupport.parseXPath(ctx, value);
  44     }
  45
  46     @Override
  47     public WhenStatement createDeclared(final StmtContext<RevisionAwareXPath, WhenStatement, ?> ctx) {
  48         return new WhenStatementImpl(ctx);
  49     }
  50
  51     @Override
  52     public WhenEffectiveStatement createEffective(
  53             final StmtContext<RevisionAwareXPath, WhenStatement, WhenEffectiveStatement> ctx) {
  54         return new WhenEffectiveStatementImpl(ctx);
  55     }
  56
  57     @Override
  58     protected SubstatementValidator getSubstatementValidator() {
  59         return SUBSTATEMENT_VALIDATOR;
  60     }
  61 }