+/*
+ * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.controller.yang.model.validator;
+
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.util.Set;
+
+import org.antlr.v4.runtime.tree.ParseTree;
+import org.opendaylight.controller.antlrv4.code.gen.YangParser;
+import org.opendaylight.controller.antlrv4.code.gen.YangParser.Anyxml_stmtContext;
+import org.opendaylight.controller.antlrv4.code.gen.YangParser.Argument_stmtContext;
+import org.opendaylight.controller.antlrv4.code.gen.YangParser.Augment_stmtContext;
+import org.opendaylight.controller.antlrv4.code.gen.YangParser.Base_stmtContext;
+import org.opendaylight.controller.antlrv4.code.gen.YangParser.Belongs_to_stmtContext;
+import org.opendaylight.controller.antlrv4.code.gen.YangParser.Case_stmtContext;
+import org.opendaylight.controller.antlrv4.code.gen.YangParser.Choice_stmtContext;
+import org.opendaylight.controller.antlrv4.code.gen.YangParser.Config_argContext;
+import org.opendaylight.controller.antlrv4.code.gen.YangParser.Container_stmtContext;
+import org.opendaylight.controller.antlrv4.code.gen.YangParser.Default_stmtContext;
+import org.opendaylight.controller.antlrv4.code.gen.YangParser.Deviate_add_stmtContext;
+import org.opendaylight.controller.antlrv4.code.gen.YangParser.Deviation_stmtContext;
+import org.opendaylight.controller.antlrv4.code.gen.YangParser.Extension_stmtContext;
+import org.opendaylight.controller.antlrv4.code.gen.YangParser.Feature_stmtContext;
+import org.opendaylight.controller.antlrv4.code.gen.YangParser.Grouping_stmtContext;
+import org.opendaylight.controller.antlrv4.code.gen.YangParser.Identity_stmtContext;
+import org.opendaylight.controller.antlrv4.code.gen.YangParser.If_feature_stmtContext;
+import org.opendaylight.controller.antlrv4.code.gen.YangParser.Import_stmtContext;
+import org.opendaylight.controller.antlrv4.code.gen.YangParser.Include_stmtContext;
+import org.opendaylight.controller.antlrv4.code.gen.YangParser.Key_stmtContext;
+import org.opendaylight.controller.antlrv4.code.gen.YangParser.Leaf_list_stmtContext;
+import org.opendaylight.controller.antlrv4.code.gen.YangParser.Leaf_stmtContext;
+import org.opendaylight.controller.antlrv4.code.gen.YangParser.List_stmtContext;
+import org.opendaylight.controller.antlrv4.code.gen.YangParser.Mandatory_argContext;
+import org.opendaylight.controller.antlrv4.code.gen.YangParser.Mandatory_stmtContext;
+import org.opendaylight.controller.antlrv4.code.gen.YangParser.Module_header_stmtsContext;
+import org.opendaylight.controller.antlrv4.code.gen.YangParser.Module_stmtContext;
+import org.opendaylight.controller.antlrv4.code.gen.YangParser.Namespace_stmtContext;
+import org.opendaylight.controller.antlrv4.code.gen.YangParser.Notification_stmtContext;
+import org.opendaylight.controller.antlrv4.code.gen.YangParser.Ordered_by_argContext;
+import org.opendaylight.controller.antlrv4.code.gen.YangParser.Prefix_stmtContext;
+import org.opendaylight.controller.antlrv4.code.gen.YangParser.Refine_stmtContext;
+import org.opendaylight.controller.antlrv4.code.gen.YangParser.Revision_date_stmtContext;
+import org.opendaylight.controller.antlrv4.code.gen.YangParser.Revision_stmtContext;
+import org.opendaylight.controller.antlrv4.code.gen.YangParser.Rpc_stmtContext;
+import org.opendaylight.controller.antlrv4.code.gen.YangParser.Status_argContext;
+import org.opendaylight.controller.antlrv4.code.gen.YangParser.Submodule_header_stmtsContext;
+import org.opendaylight.controller.antlrv4.code.gen.YangParser.Submodule_stmtContext;
+import org.opendaylight.controller.antlrv4.code.gen.YangParser.Type_stmtContext;
+import org.opendaylight.controller.antlrv4.code.gen.YangParser.Typedef_stmtContext;
+import org.opendaylight.controller.antlrv4.code.gen.YangParser.Unique_stmtContext;
+import org.opendaylight.controller.antlrv4.code.gen.YangParser.Uses_stmtContext;
+import org.opendaylight.controller.antlrv4.code.gen.YangParser.Yin_element_argContext;
+import org.opendaylight.controller.antlrv4.code.gen.YangParserBaseListener;
+import org.opendaylight.controller.yang.model.parser.impl.YangModelParserListenerImpl;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.google.common.collect.Sets;
+
+/**
+ * Validation listener that validates yang statements according to RFC-6020.
+ * This validator expects only one module or submodule per file and performs
+ * only basic validation where context from all yang models is not present.
+ */
+final class YangModelBasicValidationListener extends YangParserBaseListener {
+
+ private static final Logger logger = LoggerFactory
+ .getLogger(YangModelBasicValidationListener.class);
+
+ private final Set<String> uniquePrefixes;
+ private final Set<String> uniqueImports;
+ private final Set<String> uniqueIncludes;
+
+ private String globalModuleId;
+
+ YangModelBasicValidationListener() {
+ super();
+ uniquePrefixes = Sets.newHashSet();
+ uniqueImports = Sets.newHashSet();
+ uniqueIncludes = Sets.newHashSet();
+ }
+
+ /**
+ * Constraints:
+ * <ol>
+ * <li>Identifier is in required format</li>
+ * <li>Header statements present(mandatory prefix and namespace statements
+ * are in header)</li>
+ * <li>Only one module or submodule per file</li>
+ * </ol>
+ */
+ @Override
+ public void enterModule_stmt(Module_stmtContext ctx) {
+
+ BasicValidations.checkIdentifier(ctx);
+
+ BasicValidations.checkPresentChildOfType(ctx,
+ Module_header_stmtsContext.class, true);
+
+ String moduleName = ValidationUtil.getName(ctx);
+ BasicValidations.checkOnlyOneModulePresent(moduleName, globalModuleId);
+ globalModuleId = moduleName;
+ }
+
+ /**
+ * Constraints:
+ * <ol>
+ * <li>Identifier is in required format</li>
+ * <li>Header statements present(mandatory belongs-to statement is in
+ * header)</li>
+ * <li>Only one module or submodule per file</li>
+ * </ol>
+ */
+ @Override
+ public void enterSubmodule_stmt(Submodule_stmtContext ctx) {
+
+ BasicValidations.checkIdentifier(ctx);
+
+ BasicValidations.checkPresentChildOfType(ctx,
+ Submodule_header_stmtsContext.class, true);
+
+ String submoduleName = ValidationUtil.getName(ctx);
+ BasicValidations.checkOnlyOneModulePresent(submoduleName,
+ globalModuleId);
+ globalModuleId = submoduleName;
+
+ }
+
+ /**
+ * Constraints:
+ * <ol>
+ * <li>One Belongs-to statement present</li>
+ * </ol>
+ */
+ @Override
+ public void enterSubmodule_header_stmts(Submodule_header_stmtsContext ctx) {
+ BasicValidations.checkPresentChildOfType(ctx,
+ Belongs_to_stmtContext.class, true);
+
+ // check Yang version present, if not log
+ try {
+ BasicValidations.checkPresentYangVersion(ctx,
+ ValidationUtil.getRootParentName(ctx));
+ } catch (Exception e) {
+ logger.debug(e.getMessage());
+ }
+ }
+
+ /**
+ * Constraints:
+ * <ol>
+ * <li>One Namespace statement present</li>
+ * <li>One Prefix statement present</li>
+ * </ol>
+ */
+ @Override
+ public void enterModule_header_stmts(Module_header_stmtsContext ctx) {
+ String moduleName = ValidationUtil.getRootParentName(ctx);
+
+ BasicValidations.checkPresentChildOfType(ctx,
+ Namespace_stmtContext.class, true);
+ BasicValidations.checkPresentChildOfType(ctx, Prefix_stmtContext.class,
+ true);
+
+ // check Yang version present, if not log
+ try {
+ BasicValidations.checkPresentYangVersion(ctx, moduleName);
+ } catch (Exception e) {
+ logger.debug(e.getMessage());
+ }
+ }
+
+ /**
+ * Constraints:
+ * <ol>
+ * <li>Date is in valid format</li>
+ * </ol>
+ */
+ @Override
+ public void enterRevision_stmt(Revision_stmtContext ctx) {
+ BasicValidations.checkDateFormat(ctx,
+ YangModelParserListenerImpl.simpleDateFormat);
+
+ }
+
+ /**
+ * Constraints:
+ * <ol>
+ * <li>Identifier is in required format</li>
+ * <li>One Prefix statement child</li>
+ * </ol>
+ */
+ @Override
+ public void enterBelongs_to_stmt(Belongs_to_stmtContext ctx) {
+ BasicValidations.checkIdentifier(ctx);
+
+ BasicValidations.checkPresentChildOfType(ctx, Prefix_stmtContext.class,
+ true);
+ }
+
+ /**
+ * Constraints:
+ * <ol>
+ * <li>Namespace string can be parsed as URI</li>
+ * </ol>
+ */
+ @Override
+ public void enterNamespace_stmt(Namespace_stmtContext ctx) {
+ String namespaceName = ValidationUtil.getName(ctx);
+ String rootParentName = ValidationUtil.getRootParentName(ctx);
+
+ try {
+ new URI(namespaceName);
+ } catch (URISyntaxException e) {
+ ValidationUtil.ex(ValidationUtil.f(
+ "(In module:%s) Namespace:%s cannot be parsed as URI",
+ rootParentName, namespaceName));
+ }
+ }
+
+ /**
+ * Constraints:
+ * <ol>
+ * <li>Identifier is in required format</li>
+ * <li>Every import(identified by identifier) within a module/submodule is
+ * present only once</li>
+ * <li>One prefix statement child</li>
+ * </ol>
+ */
+ @Override
+ public void enterImport_stmt(Import_stmtContext ctx) {
+
+ BasicValidations.checkIdentifier(ctx);
+
+ BasicValidations.checkUniquenessInNamespace(ctx, uniqueImports);
+
+ BasicValidations.checkPresentChildOfType(ctx, Prefix_stmtContext.class,
+ true);
+
+ }
+
+ /**
+ * Constraints:
+ * <ol>
+ * <li>Date is in valid format</li>
+ * </ol>
+ */
+ @Override
+ public void enterRevision_date_stmt(Revision_date_stmtContext ctx) {
+ BasicValidations.checkDateFormat(ctx,
+ YangModelParserListenerImpl.simpleDateFormat);
+ }
+
+ /**
+ * Constraints:
+ * <ol>
+ * <li>Identifier is in required format</li>
+ * <li>Every include(identified by identifier) within a module/submodule is
+ * present only once</li>
+ * </ol>
+ */
+ @Override
+ public void enterInclude_stmt(Include_stmtContext ctx) {
+
+ BasicValidations.checkIdentifier(ctx);
+
+ BasicValidations.checkUniquenessInNamespace(ctx, uniqueIncludes);
+ }
+
+ /**
+ * Constraints:
+ * <ol>
+ * <li>Yang-version is specified as 1</li>
+ * </ol>
+ */
+ @Override
+ public void enterYang_version_stmt(YangParser.Yang_version_stmtContext ctx) {
+ String version = ValidationUtil.getName(ctx);
+ String rootParentName = ValidationUtil.getRootParentName(ctx);
+ if (!version.equals(BasicValidations.SUPPORTED_YANG_VERSION)) {
+ ValidationUtil
+ .ex(ValidationUtil
+ .f("(In (sub)module:%s) Unsupported yang version:%s, supported version:%s",
+ rootParentName, version,
+ BasicValidations.SUPPORTED_YANG_VERSION));
+ }
+ }
+
+ /**
+ * Constraints:
+ * <ol>
+ * <li>Identifier is in required format</li>
+ * <li>Every prefix(identified by identifier) within a module/submodule is
+ * presented only once</li>
+ * </ol>
+ */
+ @Override
+ public void enterPrefix_stmt(Prefix_stmtContext ctx) {
+
+ BasicValidations.checkIdentifier(ctx);
+
+ BasicValidations.checkUniquenessInNamespace(ctx, uniquePrefixes);
+ }
+
+ /**
+ * Constraints:
+ * <ol>
+ * <li>Identifier is in required format</li>
+ * <li>One type statement child</li>
+ * </ol>
+ */
+ @Override
+ public void enterTypedef_stmt(Typedef_stmtContext ctx) {
+
+ BasicValidations.checkIdentifier(ctx);
+
+ BasicValidations.checkPresentChildOfType(ctx, Type_stmtContext.class,
+ true);
+ }
+
+ /**
+ * Constraints:
+ * <ol>
+ * <li>(Prefix):Identifier is in required format</li>
+ * </ol>
+ */
+ @Override
+ public void enterType_stmt(Type_stmtContext ctx) {
+ BasicValidations.checkPrefixedIdentifier(ctx);
+ }
+
+ /**
+ * Constraints:
+ * <ol>
+ * <li>Identifier is in required format</li>
+ * </ol>
+ */
+ @Override
+ public void enterContainer_stmt(Container_stmtContext ctx) {
+ BasicValidations.checkIdentifier(ctx);
+ }
+
+ /**
+ * Constraints:
+ * <ol>
+ * <li>Identifier is in required format</li>
+ * <li>One type statement child</li>
+ * <li>Default statement must not be present if mandatory statement is</li>
+ * </ol>
+ */
+ @Override
+ public void enterLeaf_stmt(Leaf_stmtContext ctx) {
+ BasicValidations.checkIdentifier(ctx);
+
+ BasicValidations.checkPresentChildOfType(ctx, Type_stmtContext.class,
+ true);
+
+ BasicValidations.checkNotPresentBoth(ctx, Mandatory_stmtContext.class,
+ Default_stmtContext.class);
+ }
+
+ /**
+ * Constraints:
+ * <ol>
+ * <li>Identifier is in required format</li>
+ * <li>One type statement child</li>
+ * </ol>
+ */
+ @Override
+ public void enterLeaf_list_stmt(Leaf_list_stmtContext ctx) {
+
+ BasicValidations.checkIdentifier(ctx);
+
+ BasicValidations.checkPresentChildOfType(ctx, Type_stmtContext.class,
+ true);
+ }
+
+ private static final Set<String> permittedOrderByArgs = Sets.newHashSet(
+ "system", "user");
+
+ /**
+ * Constraints:
+ * <ol>
+ * <li>Value must be one of: system, user</li>
+ * </ol>
+ */
+ @Override
+ public void enterOrdered_by_arg(Ordered_by_argContext ctx) {
+ BasicValidations.checkOnlyPermittedValues(ctx, permittedOrderByArgs);
+ }
+
+ /**
+ * Constraints:
+ * <ol>
+ * <li>Identifier is in required format</li>
+ * </ol>
+ */
+ @Override
+ public void enterList_stmt(List_stmtContext ctx) {
+ BasicValidations.checkIdentifier(ctx);
+ // TODO check: "if config==true then key must be present" could be
+ // performed
+ }
+
+ /**
+ * Constraints:
+ * <ol>
+ * <li>No duplicate keys</li>
+ * </ol>
+ */
+ @Override
+ public void enterKey_stmt(Key_stmtContext ctx) {
+ BasicValidations.getAndCheckUniqueKeys(ctx);
+ }
+
+ /**
+ * Constraints:
+ * <ol>
+ * <liNo duplicate uniques</li>
+ * </ol>
+ */
+ @Override
+ public void enterUnique_stmt(Unique_stmtContext ctx) {
+ BasicValidations.getAndCheckUniqueKeys(ctx);
+ }
+
+ /**
+ * Constraints:
+ * <ol>
+ * <li>Identifier is in required format</li>
+ * <li>Default statement must not be present if mandatory statement is</li>
+ * </ol>
+ */
+ @Override
+ public void enterChoice_stmt(Choice_stmtContext ctx) {
+ BasicValidations.checkIdentifier(ctx);
+
+ BasicValidations.checkNotPresentBoth(ctx, Mandatory_stmtContext.class,
+ Default_stmtContext.class);
+
+ }
+
+ /**
+ * Constraints:
+ * <ol>
+ * <li>Identifier is in required format</li>
+ * </ol>
+ */
+ @Override
+ public void enterCase_stmt(Case_stmtContext ctx) {
+ BasicValidations.checkIdentifier(ctx);
+ }
+
+ private static final Set<String> permittedBooleanArgs = Sets.newHashSet(
+ "true", "false");
+
+ /**
+ * Constraints:
+ * <ol>
+ * <li>Value must be one of: true, false</li>
+ * </ol>
+ */
+ @Override
+ public void enterMandatory_arg(Mandatory_argContext ctx) {
+ BasicValidations.checkOnlyPermittedValues(ctx, permittedBooleanArgs);
+ }
+
+ /**
+ * Constraints:
+ * <ol>
+ * <li>Identifier is in required format</li>
+ * </ol>
+ */
+ @Override
+ public void enterAnyxml_stmt(Anyxml_stmtContext ctx) {
+ BasicValidations.checkIdentifier(ctx);
+ }
+
+ /**
+ * Constraints:
+ * <ol>
+ * <li>Identifier is in required format</li>
+ * </ol>
+ */
+ @Override
+ public void enterGrouping_stmt(Grouping_stmtContext ctx) {
+ BasicValidations.checkIdentifier(ctx);
+ }
+
+ /**
+ * Constraints:
+ * <ol>
+ * <li>(Prefix):Identifier is in required format</li>
+ * </ol>
+ */
+ @Override
+ public void enterUses_stmt(Uses_stmtContext ctx) {
+ BasicValidations.checkPrefixedIdentifier(ctx);
+ }
+
+ /**
+ * Constraints:
+ * <ol>
+ * <li>Identifier is in required format</li>
+ * </ol>
+ */
+ @Override
+ public void enterRefine_stmt(Refine_stmtContext ctx) {
+ BasicValidations.checkIdentifier(ctx);
+ }
+
+ /**
+ * Constraints:
+ * <ol>
+ * <li>Identifier is in required format</li>
+ * </ol>
+ */
+ @Override
+ public void enterRpc_stmt(Rpc_stmtContext ctx) {
+ BasicValidations.checkIdentifier(ctx);
+ }
+
+ /**
+ * Constraints:
+ * <ol>
+ * <li>Identifier is in required format</li>
+ * </ol>
+ */
+ @Override
+ public void enterNotification_stmt(Notification_stmtContext ctx) {
+ BasicValidations.checkIdentifier(ctx);
+ }
+
+ /**
+ * Constraints:
+ * <ol>
+ * <li>Schema Node Identifier is in required format</li>
+ * </ol>
+ */
+ @Override
+ public void enterAugment_stmt(Augment_stmtContext ctx) {
+ BasicValidations.checkSchemaNodeIdentifier(ctx);
+ }
+
+ /**
+ * Constraints:
+ * <ol>
+ * <li>Identifier is in required format</li>
+ * </ol>
+ */
+ @Override
+ public void enterIdentity_stmt(Identity_stmtContext ctx) {
+ BasicValidations.checkIdentifier(ctx);
+ }
+
+ /**
+ * Constraints:
+ * <ol>
+ * <li>(Prefix):Identifier is in required format</li>
+ * </ol>
+ */
+ @Override
+ public void enterBase_stmt(Base_stmtContext ctx) {
+ BasicValidations.checkPrefixedIdentifier(ctx);
+
+ }
+
+ /**
+ * Constraints:
+ * <ol>
+ * <li>Value must be one of: true, false</li>
+ * </ol>
+ */
+ @Override
+ public void enterYin_element_arg(Yin_element_argContext ctx) {
+ BasicValidations.checkOnlyPermittedValues(ctx, permittedBooleanArgs);
+ }
+
+ /**
+ * Constraints:
+ * <ol>
+ * <li>Identifier is in required format</li>
+ * </ol>
+ */
+ @Override
+ public void enterExtension_stmt(Extension_stmtContext ctx) {
+ BasicValidations.checkIdentifier(ctx);
+ }
+
+ /**
+ * Constraints:
+ * <ol>
+ * <li>Identifier is in required format</li>
+ * </ol>
+ */
+ @Override
+ public void enterArgument_stmt(Argument_stmtContext ctx) {
+ BasicValidations.checkIdentifier(ctx);
+ }
+
+ /**
+ * Constraints:
+ * <ol>
+ * <li>Identifier is in required format</li>
+ * </ol>
+ */
+ @Override
+ public void enterFeature_stmt(Feature_stmtContext ctx) {
+ BasicValidations.checkIdentifier(ctx);
+
+ }
+
+ /**
+ * Constraints:
+ * <ol>
+ * <li>(Prefix):Identifier is in required format</li>
+ * </ol>
+ */
+ @Override
+ public void enterIf_feature_stmt(If_feature_stmtContext ctx) {
+ BasicValidations.checkPrefixedIdentifier(ctx);
+ }
+
+ /**
+ * Constraints:
+ * <ol>
+ * <li>Schema Node Identifier is in required format</li>
+ * <li>At least one deviate-* statement child</li>
+ * </ol>
+ */
+ @Override
+ public void enterDeviation_stmt(Deviation_stmtContext ctx) {
+ BasicValidations.checkSchemaNodeIdentifier(ctx);
+
+ Set<Class<? extends ParseTree>> types = Sets.newHashSet();
+ types.add(Deviate_add_stmtContext.class);
+ types.add(Deviate_add_stmtContext.class);
+ BasicValidations.checkPresentChildOfTypes(ctx, types, false);
+ }
+
+ /**
+ * Constraints:
+ * <ol>
+ * <li>Value must be one of: true, false</li>
+ * </ol>
+ */
+ @Override
+ public void enterConfig_arg(Config_argContext ctx) {
+ BasicValidations.checkOnlyPermittedValues(ctx, permittedBooleanArgs);
+ }
+
+ private static final Set<String> permittedStatusArgs = Sets.newHashSet(
+ "current", "deprecated", "obsolete");
+
+ /**
+ * Constraints:
+ * <ol>
+ * <li>Value must be one of: "current", "deprecated", "obsolete"</li>
+ * </ol>
+ */
+ @Override
+ public void enterStatus_arg(Status_argContext ctx) {
+ BasicValidations.checkOnlyPermittedValues(ctx, permittedStatusArgs);
+ }
+
+}
Code Review / controller.git / commitdiff