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.impl;
10 import static com.google.common.base.Preconditions.checkArgument;
12 import com.google.common.annotations.Beta;
13 import java.util.Collection;
14 import java.util.List;
15 import java.util.concurrent.ConcurrentHashMap;
16 import java.util.concurrent.ConcurrentMap;
17 import java.util.function.Function;
18 import javax.inject.Inject;
19 import javax.inject.Singleton;
20 import org.eclipse.jdt.annotation.NonNull;
21 import org.kohsuke.MetaInfServices;
22 import org.opendaylight.yangtools.yang.parser.api.ImportResolutionMode;
23 import org.opendaylight.yangtools.yang.parser.api.YangParser;
24 import org.opendaylight.yangtools.yang.parser.api.YangParserConfiguration;
25 import org.opendaylight.yangtools.yang.parser.api.YangParserFactory;
26 import org.opendaylight.yangtools.yang.parser.stmt.reactor.CrossSourceStatementReactor;
27 import org.opendaylight.yangtools.yang.xpath.api.YangXPathParserFactory;
28 import org.osgi.service.component.annotations.Activate;
29 import org.osgi.service.component.annotations.Component;
30 import org.osgi.service.component.annotations.Reference;
31 import org.osgi.service.component.annotations.RequireServiceComponentRuntime;
34 * Reference {@link YangParserFactory} implementation.
40 @RequireServiceComponentRuntime
41 public final class DefaultYangParserFactory implements YangParserFactory {
42 private static final List<ImportResolutionMode> SUPPORTED_MODES = List.of(ImportResolutionMode.DEFAULT);
44 private final ConcurrentMap<YangParserConfiguration, CrossSourceStatementReactor> reactors =
45 new ConcurrentHashMap<>(2);
46 private final Function<YangParserConfiguration, CrossSourceStatementReactor> reactorFactory;
49 * Construct a new {@link YangParserFactory} backed by {@link DefaultReactors#defaultReactor()}.
51 public DefaultYangParserFactory() {
52 reactorFactory = config -> DefaultReactors.defaultReactorBuilder(config).build();
53 // Make sure default reactor is available
54 reactorFactory.apply(YangParserConfiguration.DEFAULT);
59 public DefaultYangParserFactory(final @Reference YangXPathParserFactory xpathFactory) {
60 reactorFactory = config -> DefaultReactors.defaultReactorBuilder(xpathFactory, config).build();
64 public Collection<ImportResolutionMode> supportedImportResolutionModes() {
65 return SUPPORTED_MODES;
69 public @NonNull YangParser createParser(final YangParserConfiguration configuration) {
70 final ImportResolutionMode importMode = configuration.importResolutionMode();
71 checkArgument(SUPPORTED_MODES.contains(importMode), "Unsupported import resolution mode %s", importMode);
72 return new DefaultYangParser(reactors.computeIfAbsent(configuration, reactorFactory).newBuild());