*/
package org.opendaylight.yangtools.yang.parser.stmt.rfc6020;
-
-import static org.opendaylight.yangtools.yang.parser.spi.meta.ModelProcessingPhase.SourceLinkage;
+import static java.util.Objects.requireNonNull;
+import static org.opendaylight.yangtools.yang.parser.spi.meta.ModelProcessingPhase.SOURCE_LINKAGE;
+import static org.opendaylight.yangtools.yang.parser.spi.meta.ModelProcessingPhase.SOURCE_PRE_LINKAGE;
+import static org.opendaylight.yangtools.yang.parser.spi.meta.StmtContextUtils.findFirstDeclaredSubstatement;
import static org.opendaylight.yangtools.yang.parser.spi.meta.StmtContextUtils.firstAttributeOf;
-import com.google.common.base.Optional;
+import com.google.common.base.MoreObjects.ToStringHelper;
+import com.google.common.base.Verify;
import java.net.URI;
-import java.text.ParseException;
import java.util.Collection;
-import java.util.Date;
-import org.opendaylight.yangtools.yang.common.SimpleDateFormatUtil;
+import java.util.Optional;
+import org.opendaylight.yangtools.concepts.SemVer;
+import org.opendaylight.yangtools.yang.common.Revision;
import org.opendaylight.yangtools.yang.model.api.ModuleIdentifier;
-import org.opendaylight.yangtools.yang.model.api.Rfc6020Mapping;
+import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
import org.opendaylight.yangtools.yang.model.api.stmt.ImportStatement;
+import org.opendaylight.yangtools.yang.model.api.stmt.NamespaceStatement;
+import org.opendaylight.yangtools.yang.model.api.stmt.PrefixStatement;
import org.opendaylight.yangtools.yang.model.api.stmt.RevisionDateStatement;
-import org.opendaylight.yangtools.yang.parser.builder.impl.ModuleIdentifierImpl;
+import org.opendaylight.yangtools.yang.model.repo.api.RevisionSourceIdentifier;
+import org.opendaylight.yangtools.yang.model.repo.api.SemVerSourceIdentifier;
+import org.opendaylight.yangtools.yang.model.repo.api.SourceIdentifier;
+import org.opendaylight.yangtools.yang.model.util.ModuleIdentifierImpl;
import org.opendaylight.yangtools.yang.parser.spi.ModuleNamespace;
+import org.opendaylight.yangtools.yang.parser.spi.PreLinkageModuleNamespace;
import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractStatementSupport;
import org.opendaylight.yangtools.yang.parser.spi.meta.InferenceException;
import org.opendaylight.yangtools.yang.parser.spi.meta.ModelActionBuilder;
import org.opendaylight.yangtools.yang.parser.spi.meta.ModelActionBuilder.InferenceAction;
+import org.opendaylight.yangtools.yang.parser.spi.meta.ModelActionBuilder.InferenceContext;
import org.opendaylight.yangtools.yang.parser.spi.meta.ModelActionBuilder.Prerequisite;
+import org.opendaylight.yangtools.yang.parser.spi.meta.NamespaceKeyCriterion;
+import org.opendaylight.yangtools.yang.parser.spi.meta.SemanticVersionModuleNamespace;
+import org.opendaylight.yangtools.yang.parser.spi.meta.SemanticVersionNamespace;
import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext.Mutable;
+import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
+import org.opendaylight.yangtools.yang.parser.spi.source.ImpPrefixToNamespace;
+import org.opendaylight.yangtools.yang.parser.spi.source.ImportPrefixToModuleCtx;
+import org.opendaylight.yangtools.yang.parser.spi.source.ImportPrefixToSemVerSourceIdentifier;
+import org.opendaylight.yangtools.yang.parser.spi.source.ImportedModuleContext;
+import org.opendaylight.yangtools.yang.parser.spi.source.ModuleCtxToModuleIdentifier;
+import org.opendaylight.yangtools.yang.parser.spi.source.ModuleNameToNamespace;
import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
+import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.effective.ImportEffectiveStatementImpl;
public class ImportStatementDefinition extends
AbstractStatementSupport<String, ImportStatement, EffectiveStatement<String, ImportStatement>> {
+ private static final SubstatementValidator SUBSTATEMENT_VALIDATOR = SubstatementValidator
+ .builder(YangStmtMapping.IMPORT)
+ .addMandatory(YangStmtMapping.PREFIX)
+ .addOptional(YangStmtMapping.REVISION_DATE)
+ .addOptional(SupportedExtensionsMapping.OPENCONFIG_VERSION)
+ .build();
public ImportStatementDefinition() {
- super(Rfc6020Mapping.Import);
+ super(YangStmtMapping.IMPORT);
}
@Override
- public String parseArgumentValue(StmtContext<?, ?, ?> ctx, String value) {
+ public String parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
return value;
}
@Override
- public ImportStatement createDeclared(StmtContext<String, ImportStatement, ?> ctx) {
+ public ImportStatement createDeclared(final StmtContext<String, ImportStatement, ?> ctx) {
return new ImportStatementImpl(ctx);
}
@Override
public EffectiveStatement<String, ImportStatement> createEffective(
- StmtContext<String, ImportStatement, EffectiveStatement<String, ImportStatement>> ctx) {
- throw new UnsupportedOperationException();
+ final StmtContext<String, ImportStatement, EffectiveStatement<String, ImportStatement>> ctx) {
+ return new ImportEffectiveStatementImpl(ctx);
}
@Override
- public void onLinkageDeclared(final Mutable<String, ImportStatement, EffectiveStatement<String, ImportStatement>> stmt)
- throws InferenceException, SourceException {
- final ModuleIdentifier impIdentifier = getImportedModuleIdentifier(stmt);
- ModelActionBuilder importAction = stmt.newInferenceAction(SourceLinkage);
- final Prerequisite<StmtContext<?, ?, ?>> imported;
- final Prerequisite<Mutable<?, ?, ?>> linkageTarget;
- imported = importAction.requiresCtx(stmt, ModuleNamespace.class, impIdentifier, SourceLinkage);
- linkageTarget = importAction.mutatesCtx(stmt.getRoot(),SourceLinkage);
+ public void onPreLinkageDeclared(final Mutable<String, ImportStatement,
+ EffectiveStatement<String, ImportStatement>> stmt) {
+ /*
+ * Add ModuleIdentifier of a module which is required by this module.
+ * Based on this information, required modules are searched from library
+ * sources.
+ */
+ stmt.addRequiredSource(RevisionImport.getImportedSourceIdentifier(stmt));
- importAction.apply(new InferenceAction() {
+ final String moduleName = stmt.getStatementArgument();
+ final ModelActionBuilder importAction = stmt.newInferenceAction(SOURCE_PRE_LINKAGE);
+ final Prerequisite<StmtContext<?, ?, ?>> imported = importAction.requiresCtx(stmt,
+ PreLinkageModuleNamespace.class, moduleName, SOURCE_PRE_LINKAGE);
+ final Prerequisite<Mutable<?, ?, ?>> linkageTarget = importAction
+ .mutatesCtx(stmt.getRoot(), SOURCE_PRE_LINKAGE);
+ importAction.apply(new InferenceAction() {
@Override
- public void apply() throws InferenceException {
- StmtContext<?, ?, ?> importedModule = imported.get();
- // URI importedNs =
- // importedModule.firstSubstatement(NamespaceStatement.class).argument();
- // String prefix =
- // stmt.firstSubstatement(PrefixStatement.class).argument();
- linkageTarget.get().addToNs(ImportedModuleContext.class, impIdentifier, importedModule);
- // prefixTarget.get().addToNs(PrefixToModule.class, prefix,
- // QNameModule.create(importedNs, null));
+ public void apply(final InferenceContext ctx) {
+ final StmtContext<?, ?, ?> importedModuleContext = imported.resolve(ctx);
+ Verify.verify(moduleName.equals(importedModuleContext.getStatementArgument()));
+ final URI importedModuleNamespace = importedModuleContext.getFromNamespace(ModuleNameToNamespace.class,
+ moduleName);
+ Verify.verifyNotNull(importedModuleNamespace);
+ final String impPrefix = SourceException.throwIfNull(
+ firstAttributeOf(stmt.declaredSubstatements(), PrefixStatement.class),
+ stmt.getStatementSourceReference(), "Missing prefix statement");
+
+ stmt.addToNs(ImpPrefixToNamespace.class, impPrefix, importedModuleNamespace);
}
@Override
- public void prerequisiteFailed(Collection<? extends Prerequisite<?>> failed) throws InferenceException {
- if (failed.contains(imported)) {
- throw new InferenceException("Imported module was not found.", stmt.getStatementSourceReference());
- }
+ public void prerequisiteFailed(final Collection<? extends Prerequisite<?>> failed) {
+ InferenceException.throwIf(failed.contains(imported), stmt.getStatementSourceReference(),
+ "Imported module [%s] was not found.", moduleName);
}
});
}
- private static ModuleIdentifier getImportedModuleIdentifier(Mutable<String, ImportStatement, ?> stmt) throws SourceException {
- String moduleName = stmt.getStatementArgument();
- String revisionArg = firstAttributeOf(stmt.declaredSubstatements(), RevisionDateStatement.class);
- final Optional<Date> revision;
- if (revisionArg != null) {
- try {
- revision = Optional.of(SimpleDateFormatUtil.getRevisionFormat().parse(revisionArg));
- } catch (ParseException e) {
- throw new SourceException(
- String.format("Revision value %s is not in required format yyyy-MM-dd", revisionArg),
- stmt.getStatementSourceReference(), e);
- }
+ @Override
+ public void onLinkageDeclared(
+ final Mutable<String, ImportStatement, EffectiveStatement<String, ImportStatement>> stmt) {
+ if (stmt.isEnabledSemanticVersioning()) {
+ SemanticVersionImport.onLinkageDeclared(stmt);
} else {
- revision = Optional.absent();
+ RevisionImport.onLinkageDeclared(stmt);
}
- return new ModuleIdentifierImpl(moduleName, Optional.<URI> absent(), revision);
}
-}
\ No newline at end of file
+ @Override
+ protected SubstatementValidator getSubstatementValidator() {
+ return SUBSTATEMENT_VALIDATOR;
+ }
+
+ private static class RevisionImport {
+
+ private RevisionImport() {
+ throw new UnsupportedOperationException("Utility class");
+ }
+
+ private static void onLinkageDeclared(
+ final Mutable<String, ImportStatement, EffectiveStatement<String, ImportStatement>> stmt) {
+ final ModelActionBuilder importAction = stmt.newInferenceAction(SOURCE_LINKAGE);
+ final Prerequisite<StmtContext<?, ?, ?>> imported;
+ final String moduleName = stmt.getStatementArgument();
+ final Revision revision = firstAttributeOf(stmt.declaredSubstatements(), RevisionDateStatement.class);
+ if (revision == null) {
+ imported = importAction.requiresCtx(stmt, ModuleNamespace.class,
+ NamespaceKeyCriterion.latestRevisionModule(moduleName), SOURCE_LINKAGE);
+ } else {
+ imported = importAction.requiresCtx(stmt, ModuleNamespace.class,
+ ModuleIdentifierImpl.create(moduleName, Optional.of(revision)), SOURCE_LINKAGE);
+ }
+
+ final Prerequisite<Mutable<?, ?, ?>> linkageTarget = importAction.mutatesCtx(stmt.getRoot(),
+ SOURCE_LINKAGE);
+
+ importAction.apply(new InferenceAction() {
+ @Override
+ public void apply(final InferenceContext ctx) {
+ final StmtContext<?, ?, ?> importedModule = imported.resolve(ctx);
+
+ linkageTarget.resolve(ctx).addToNs(ImportedModuleContext.class,
+ stmt.getFromNamespace(ModuleCtxToModuleIdentifier.class, importedModule), importedModule);
+ final String impPrefix = firstAttributeOf(stmt.declaredSubstatements(), PrefixStatement.class);
+ final URI modNs = firstAttributeOf(importedModule.declaredSubstatements(),
+ NamespaceStatement.class);
+ stmt.addToNs(ImportPrefixToModuleCtx.class, impPrefix, importedModule);
+ stmt.addToNs(URIStringToImpPrefix.class, modNs.toString(), impPrefix);
+ }
+
+ @Override
+ public void prerequisiteFailed(final Collection<? extends Prerequisite<?>> failed) {
+ if (failed.contains(imported)) {
+ throw new InferenceException(stmt.getStatementSourceReference(),
+ "Imported module [%s] was not found.", moduleName);
+ }
+ }
+ });
+ }
+
+ static SourceIdentifier getImportedSourceIdentifier(final StmtContext<String, ImportStatement, ?> stmt) {
+ final StmtContext<Revision, ?, ?> revision = findFirstDeclaredSubstatement(stmt,
+ RevisionDateStatement.class);
+ return revision == null ? RevisionSourceIdentifier.create(stmt.getStatementArgument())
+ : RevisionSourceIdentifier.create(stmt.getStatementArgument(), revision.rawStatementArgument());
+ }
+ }
+
+ private static class SemanticVersionImport {
+
+ private abstract static class CompatibleCriterion extends NamespaceKeyCriterion<SemVerSourceIdentifier> {
+ private final String moduleName;
+
+ CompatibleCriterion(final String moduleName) {
+ this.moduleName = requireNonNull(moduleName);
+ }
+
+ @Override
+ public boolean match(final SemVerSourceIdentifier key) {
+ return moduleName.equals(key.getName());
+ }
+
+ @Override
+ protected ToStringHelper addToStringAttributes(final ToStringHelper toStringHelper) {
+ return toStringHelper.add("moduleName", moduleName);
+ }
+ }
+
+ private static final class NoVerCompatibleCriterion extends CompatibleCriterion {
+ NoVerCompatibleCriterion(final String moduleName) {
+ super(moduleName);
+ }
+
+ @Override
+ public SemVerSourceIdentifier select(final SemVerSourceIdentifier first,
+ final SemVerSourceIdentifier second) {
+ // TODO Auto-generated method stub
+ return null;
+ }
+ }
+
+ private static final class SemVerCompatibleCriterion extends CompatibleCriterion {
+ private final SemVer semVer;
+
+ SemVerCompatibleCriterion(final String moduleName, final SemVer semVer) {
+ super(moduleName);
+ this.semVer = requireNonNull(semVer);
+ }
+
+ @Override
+ public boolean match(final SemVerSourceIdentifier key) {
+ if (!super.match(key)) {
+ return false;
+ }
+ final Optional<SemVer> optKeyVer = key.getSemanticVersion();
+ if (!optKeyVer.isPresent()) {
+ return false;
+ }
+
+ final SemVer keyVer = optKeyVer.get();
+ if (semVer.getMajor() != keyVer.getMajor()) {
+ return false;
+ }
+ if (semVer.getMinor() > keyVer.getMinor()) {
+ return false;
+ }
+ return semVer.getMinor() < keyVer.getMinor() || semVer.getPatch() <= keyVer.getPatch();
+ }
+
+ @Override
+ public SemVerSourceIdentifier select(final SemVerSourceIdentifier first,
+ final SemVerSourceIdentifier second) {
+ return first.getSemanticVersion().get().compareTo(second.getSemanticVersion().get()) >= 0 ? first
+ : second;
+ }
+
+ @Override
+ protected ToStringHelper addToStringAttributes(final ToStringHelper toStringHelper) {
+ return super.addToStringAttributes(toStringHelper).add("version", semVer);
+ }
+ }
+
+
+ private SemanticVersionImport() {
+ throw new UnsupportedOperationException("Utility class");
+ }
+
+ private static void onLinkageDeclared(
+ final Mutable<String, ImportStatement, EffectiveStatement<String, ImportStatement>> stmt) {
+ final ModelActionBuilder importAction = stmt.newInferenceAction(SOURCE_LINKAGE);
+ final String moduleName = stmt.getStatementArgument();
+ final SemVer semanticVersion = stmt.getFromNamespace(SemanticVersionNamespace.class, stmt);
+ final CompatibleCriterion criterion = semanticVersion == null ? new NoVerCompatibleCriterion(moduleName)
+ : new SemVerCompatibleCriterion(moduleName, semanticVersion);
+
+ final Prerequisite<StmtContext<?, ?, ?>> imported = importAction.requiresCtx(stmt,
+ SemanticVersionModuleNamespace.class, criterion, SOURCE_LINKAGE);
+ final Prerequisite<Mutable<?, ?, ?>> linkageTarget = importAction.mutatesCtx(stmt.getRoot(),
+ SOURCE_LINKAGE);
+
+ importAction.apply(new InferenceAction() {
+ @Override
+ public void apply(final InferenceContext ctx) {
+ final StmtContext<?, ?, ?> importedModule = imported.resolve(ctx);
+ final SemVer importedVersion = stmt.getFromNamespace(SemanticVersionNamespace.class, stmt);
+ final ModuleIdentifier importedModuleIdentifier = importedModule.getFromNamespace(
+ ModuleCtxToModuleIdentifier.class, importedModule);
+ final SemVerSourceIdentifier semVerModuleIdentifier = createSemVerModuleIdentifier(
+ importedModuleIdentifier, importedVersion);
+
+ linkageTarget.resolve(ctx).addToNs(ImportedModuleContext.class, importedModuleIdentifier,
+ importedModule);
+ final String impPrefix = firstAttributeOf(stmt.declaredSubstatements(), PrefixStatement.class);
+ stmt.addToNs(ImportPrefixToModuleCtx.class, impPrefix, importedModule);
+ stmt.addToNs(ImportPrefixToSemVerSourceIdentifier.class, impPrefix, semVerModuleIdentifier);
+
+ final URI modNs = firstAttributeOf(importedModule.declaredSubstatements(),
+ NamespaceStatement.class);
+ stmt.addToNs(URIStringToImpPrefix.class, modNs.toString(), impPrefix);
+ }
+
+ @Override
+ public void prerequisiteFailed(final Collection<? extends Prerequisite<?>> failed) {
+ if (failed.contains(imported)) {
+ throw new InferenceException(stmt.getStatementSourceReference(),
+ "Unable to find module compatible with requested import [%s(%s)].", moduleName,
+ getRequestedImportVersionString(stmt));
+ }
+ }
+ });
+ }
+
+ private static Optional<SemVer> getRequestedImportVersion(final StmtContext<?, ?, ?> stmt) {
+ return Optional.ofNullable(stmt.getFromNamespace(SemanticVersionNamespace.class, stmt));
+ }
+
+ private static String getRequestedImportVersionString(final StmtContext<?, ?, ?> stmt) {
+ return getRequestedImportVersion(stmt).map(SemVer::toString).orElse("<any>");
+ }
+
+ private static SemVerSourceIdentifier createSemVerModuleIdentifier(
+ final ModuleIdentifier importedModuleIdentifier, final SemVer semVer) {
+ final String formattedRevision = importedModuleIdentifier.getRevision().map(Revision::toString)
+ .orElse(null);
+ return SemVerSourceIdentifier.create(importedModuleIdentifier.getName(), formattedRevision, semVer);
+ }
+ }
+}