fix lic issue

rewrite yang loading util

Issue-ID: CCSDK-3681
Signed-off-by: Michael DÜrre <michael.duerre@highstreet-technologies.com>
Change-Id: I0f619cea8d3827b77396cf9799adaa33ce5d6838
Signed-off-by: Michael DÜrre <michael.duerre@highstreet-technologies.com>
(cherry picked from commit 189b8c0700df37465590a491e35a79b339630ee8)
Signed-off-by: Michael Dürre <michael.duerre@highstreet-technologies.com>

6 files changed, 143 insertions, 407 deletions

diff --git a/sdnr/wt/devicemanager-o-ran-sc/o-ran/ru-fh/provider/src/test/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/oran/impl/dom/TestORANInventory.java b/sdnr/wt/devicemanager-o-ran-sc/o-ran/ru-fh/provider/src/test/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/oran/impl/dom/TestORANInventory.java
index 337996a3d..c6fa5e4cd 100644
--- a/sdnr/wt/devicemanager-o-ran-sc/o-ran/ru-fh/provider/src/test/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/oran/impl/dom/TestORANInventory.java
+++ b/sdnr/wt/devicemanager-o-ran-sc/o-ran/ru-fh/provider/src/test/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/oran/impl/dom/TestORANInventory.java
@@ -37,6 +37,7 @@ import org.eclipse.jdt.annotation.Nullable;
 import org.junit.AfterClass;
 import org.junit.BeforeClass;
 import org.junit.Test;
+import org.onap.ccsdk.features.sdnr.wt.devicemanager.oran.impl.dom.util.TestYangParserUtil;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.Inventory;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.InventoryBuilder;
 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
@@ -85,7 +86,7 @@ public class TestORANInventory {
 
 	@BeforeClass
 	public static void setup() throws IOException {
-		schemaContext = YangParserTestUtils.parseYangResourceDirectory("/");
+		schemaContext = TestYangParserUtil.parseYangResourceDirectory("/");
 		hwContainerSchema = Inference.ofDataTreePath(schemaContext, HW_CONTAINER);
 		System.out.println("URL is - " + TestORANReadHardware.class.getResource("/"));
 	}
diff --git a/sdnr/wt/devicemanager-o-ran-sc/o-ran/ru-fh/provider/src/test/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/oran/impl/dom/TestORANReadHardware.java b/sdnr/wt/devicemanager-o-ran-sc/o-ran/ru-fh/provider/src/test/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/oran/impl/dom/TestORANReadHardware.java
index b2da8e61f..1f550ebfd 100644
--- a/sdnr/wt/devicemanager-o-ran-sc/o-ran/ru-fh/provider/src/test/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/oran/impl/dom/TestORANReadHardware.java
+++ b/sdnr/wt/devicemanager-o-ran-sc/o-ran/ru-fh/provider/src/test/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/oran/impl/dom/TestORANReadHardware.java
@@ -38,6 +38,7 @@ import javax.xml.stream.XMLStreamReader;
 import org.junit.AfterClass;
 import org.junit.BeforeClass;
 import org.junit.Test;
+import org.onap.ccsdk.features.sdnr.wt.devicemanager.oran.impl.dom.util.TestYangParserUtil;
 import org.opendaylight.yangtools.util.xml.UntrustedXML;
 import org.opendaylight.yangtools.yang.binding.CodeHelpers;
 import org.opendaylight.yangtools.yang.common.QName;
@@ -109,7 +110,7 @@ public class TestORANReadHardware {
 
 	@BeforeClass
 	public static void setup() throws IOException {
-		schemaContext = YangParserTestUtils.parseYangResourceDirectory("/");
+		schemaContext = TestYangParserUtil.parseYangResourceDirectory("/");
 		hwContainerSchema = Inference.ofDataTreePath(schemaContext, HW_CONTAINER);
 		System.out.println("URL is - " + TestORANReadHardware.class.getResource("/"));
 	}
diff --git a/sdnr/wt/devicemanager-o-ran-sc/o-ran/ru-fh/provider/src/test/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/oran/impl/dom/TestORanDOMToInternalDataModel.java b/sdnr/wt/devicemanager-o-ran-sc/o-ran/ru-fh/provider/src/test/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/oran/impl/dom/TestORanDOMToInternalDataModel.java
index 4eac71cde..54af618a0 100644
--- a/sdnr/wt/devicemanager-o-ran-sc/o-ran/ru-fh/provider/src/test/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/oran/impl/dom/TestORanDOMToInternalDataModel.java
+++ b/sdnr/wt/devicemanager-o-ran-sc/o-ran/ru-fh/provider/src/test/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/oran/impl/dom/TestORanDOMToInternalDataModel.java
@@ -34,6 +34,7 @@ import javax.xml.stream.XMLStreamReader;
 import org.junit.AfterClass;
 import org.junit.BeforeClass;
 import org.junit.Test;
+import org.onap.ccsdk.features.sdnr.wt.devicemanager.oran.impl.dom.util.TestYangParserUtil;
 import org.opendaylight.mdsal.dom.api.DOMEvent;
 import org.opendaylight.mdsal.dom.api.DOMNotification;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.FaultlogEntity;
@@ -77,12 +78,13 @@ public class TestORanDOMToInternalDataModel {
 
 	private static final NodeId nodeId = new NodeId("nSky");
 
-	@BeforeClass
-	public static void setup() throws IOException {
-		schemaContext = YangParserTestUtils.parseYangResourceDirectory("/");
-		hwContainerSchema = Inference.ofDataTreePath(schemaContext, HW_CONTAINER);
-		systemSchema = Inference.ofDataTreePath(schemaContext, IETF_CONTAINER);
-	}
+
+    @BeforeClass
+    public static void setup() throws IOException {
+        schemaContext = TestYangParserUtil.parseYangResourceDirectory("/");
+        hwContainerSchema = Inference.ofDataTreePath(schemaContext, HW_CONTAINER);
+        systemSchema = Inference.ofDataTreePath(schemaContext, IETF_CONTAINER);
+    }
 
 	@AfterClass
 	public static void cleanup() {
diff --git a/sdnr/wt/devicemanager-o-ran-sc/o-ran/ru-fh/provider/src/test/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/oran/impl/dom/YangParserTestUtils.java b/sdnr/wt/devicemanager-o-ran-sc/o-ran/ru-fh/provider/src/test/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/oran/impl/dom/YangParserTestUtils.java
deleted file mode 100644
index 1d1726003..000000000
--- a/sdnr/wt/devicemanager-o-ran-sc/o-ran/ru-fh/provider/src/test/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/oran/impl/dom/YangParserTestUtils.java
+++ /dev/null
@@ -1,380 +0,0 @@
-/*
- * Copyright (c) 2016 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.onap.ccsdk.features.sdnr.wt.devicemanager.oran.impl.dom;
-
-import com.google.common.annotations.Beta;
-import java.io.File;
-import java.io.FileFilter;
-import java.io.IOException;
-import java.net.URI;
-import java.net.URISyntaxException;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collection;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Locale;
-import java.util.ServiceLoader;
-import java.util.Set;
-import java.util.stream.Collectors;
-import org.eclipse.jdt.annotation.NonNull;
-import org.opendaylight.yangtools.yang.common.QName;
-import org.opendaylight.yangtools.yang.common.YangConstants;
-import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
-import org.opendaylight.yangtools.yang.parser.api.YangParser;
-import org.opendaylight.yangtools.yang.parser.api.YangParserConfiguration;
-import org.opendaylight.yangtools.yang.parser.api.YangParserException;
-import org.opendaylight.yangtools.yang.parser.api.YangParserFactory;
-import org.opendaylight.yangtools.yang.parser.api.YangSyntaxErrorException;
-import org.opendaylight.yangtools.yang.model.repo.api.SchemaSourceRepresentation;
-import org.opendaylight.yangtools.yang.model.repo.api.YangTextSchemaSource;
-import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
-
-/**
- * Utility class which provides convenience methods for producing effective schema context based on the supplied
- * yang/yin sources or paths to these sources.
- */
-@Beta
-public final class YangParserTestUtils {
-
-    private static final FileFilter YANG_FILE_FILTER = file -> {
-        // Locale keeps SpotBugs happy. It should not matter that much anyway.
-        final String name = file.getName().toLowerCase(Locale.ENGLISH);
-        return name.endsWith(YangConstants.RFC6020_YANG_FILE_EXTENSION) && file.isFile();
-    };
-
-    private static final @NonNull YangParserFactory PARSER_FACTORY;
-
-    static {
-        final Iterator<@NonNull YangParserFactory> it = ServiceLoader.load(YangParserFactory.class).iterator();
-        if (!it.hasNext()) {
-            throw new IllegalStateException("No YangParserFactory found");
-        }
-        PARSER_FACTORY = it.next();
-    }
-
-    private YangParserTestUtils() {
-        // Hidden on purpose
-    }
-
-    /**
-     * Creates a new effective schema context containing the specified YANG source. Statement parser mode is set to
-     * default mode and all YANG features are supported.
-     *
-     * @param resource relative path to the YANG file to be parsed
-     *
-     * @return effective schema context
-     */
-    public static EffectiveModelContext parseYangResource(final String resource) {
-        return parseYangResource(resource, YangParserConfiguration.DEFAULT);
-    }
-
-    /**
-     * Creates a new effective schema context containing the specified YANG source. All YANG features are supported.
-     *
-     * @param resource relative path to the YANG file to be parsed
-     * @param parserMode mode of statement parser
-     * @return effective schema context
-     */
-    public static EffectiveModelContext parseYangResource(final String resource, final YangParserConfiguration config) {
-        return parseYangResource(resource, config, null);
-    }
-
-    /**
-     * Creates a new effective schema context containing the specified YANG source. Statement parser mode is set to
-     * default mode.
-     *
-     * @param resource relative path to the YANG file to be parsed
-     * @param supportedFeatures set of supported features based on which all if-feature statements in the parsed YANG
-     *                          model are resolved
-     * @return effective schema context
-     */
-    public static EffectiveModelContext parseYangResource(final String resource, final Set<QName> supportedFeatures) {
-        return parseYangResource(resource, YangParserConfiguration.DEFAULT, supportedFeatures);
-    }
-
-    /**
-     * Creates a new effective schema context containing the specified YANG source.
-     *
-     * @param resource relative path to the YANG file to be parsed
-     * @param supportedFeatures set of supported features based on which all if-feature statements in the parsed YANG
-     *                          model are resolved
-     * @param parserMode mode of statement parser
-     * @return effective schema context
-     */
-    public static EffectiveModelContext parseYangResource(final String resource, final YangParserConfiguration config,
-            final Set<QName> supportedFeatures) {
-        final YangTextSchemaSource source = YangTextSchemaSource.forResource(YangParserTestUtils.class, resource);
-        return parseYangSources(config, supportedFeatures, source);
-    }
-
-    /**
-     * Creates a new effective schema context containing the specified YANG sources. Statement parser mode is set to
-     * default mode and all YANG features are supported.
-     *
-     * @param files YANG files to be parsed
-     * @return effective schema context
-     */
-    public static EffectiveModelContext parseYangFiles(final File... files) {
-        return parseYangFiles(Arrays.asList(files));
-    }
-
-    /**
-     * Creates a new effective schema context containing the specified YANG sources. Statement parser mode is set to
-     * default mode and all YANG features are supported.
-     *
-     * @param files collection of YANG files to be parsed
-     * @return effective schema context
-     */
-    public static EffectiveModelContext parseYangFiles(final Collection<File> files) {
-        return parseYangFiles(YangParserConfiguration.DEFAULT, files);
-    }
-
-    /**
-     * Creates a new effective schema context containing the specified YANG sources. Statement parser mode is set to
-     * default mode.
-     *
-     * @param supportedFeatures set of supported features based on which all if-feature statements in the parsed YANG
-     *                          models are resolved
-     * @param files YANG files to be parsed
-     * @return effective schema context
-     */
-    public static EffectiveModelContext parseYangFiles(final Set<QName> supportedFeatures, final File... files) {
-        return parseYangFiles(supportedFeatures, Arrays.asList(files));
-    }
-
-    public static EffectiveModelContext parseYangFiles(final Set<QName> supportedFeatures,
-            final Collection<File> files) {
-        return parseYangFiles(supportedFeatures, YangParserConfiguration.DEFAULT, files);
-    }
-
-    /**
-     * Creates a new effective schema context containing the specified YANG sources. All YANG features are supported.
-     *
-     * @param parserMode mode of statement parser
-     * @param files YANG files to be parsed
-     * @return effective schema context
-     */
-    public static EffectiveModelContext parseYangFiles(final YangParserConfiguration config, final File... files) {
-        return parseYangFiles(config, Arrays.asList(files));
-    }
-
-    /**
-     * Creates a new effective schema context containing the specified YANG sources. All YANG features are supported.
-     *
-     * @param parserMode mode of statement parser
-     * @param files collection of YANG files to be parsed
-     * @return effective schema context
-     */
-    public static EffectiveModelContext parseYangFiles(final YangParserConfiguration config,
-            final Collection<File> files) {
-        return parseYangFiles(null, config, files);
-    }
-
-    /**
-     * Creates a new effective schema context containing the specified YANG sources.
-     *
-     * @param supportedFeatures set of supported features based on which all if-feature statements in the parsed YANG
-     *                          models are resolved
-     * @param parserMode mode of statement parser
-     * @param files YANG files to be parsed
-     * @return effective schema context
-     */
-    public static EffectiveModelContext parseYangFiles(final Set<QName> supportedFeatures,
-    		final YangParserConfiguration config, final File... files) {
-        return parseYangFiles(supportedFeatures, config, Arrays.asList(files));
-    }
-
-    /**
-     * Creates a new effective schema context containing the specified YANG sources.
-     *
-     * @param supportedFeatures set of supported features based on which all if-feature statements in the parsed YANG
-     *                          models are resolved
-     * @param parserMode mode of statement parser
-     * @param files YANG files to be parsed
-     * @return effective schema context
-     */
-    public static EffectiveModelContext parseYangFiles(final Set<QName> supportedFeatures,
-    		final YangParserConfiguration config, final Collection<File> files) {
-        return parseSources(config, supportedFeatures,
-            files.stream().map(YangTextSchemaSource::forFile).collect(Collectors.toList()));
-    }
-
-    /**
-     * Creates a new effective schema context containing the specified YANG sources. Statement parser mode is set to
-     * default mode and all YANG features are supported.
-     *
-     * @param resourcePath relative path to the directory with YANG files to be parsed
-     * @return effective schema context
-     */
-    public static EffectiveModelContext parseYangResourceDirectory(final String resourcePath) {
-        return parseYangResourceDirectory(resourcePath, YangParserConfiguration.DEFAULT);
-    }
-
-    /**
-     * Creates a new effective schema context containing the specified YANG sources. All YANG features are supported.
-     *
-     * @param resourcePath relative path to the directory with YANG files to be parsed
-     * @param parserMode mode of statement parser
-     * @return effective schema context
-     */
-    public static EffectiveModelContext parseYangResourceDirectory(final String resourcePath,
-    		final YangParserConfiguration config) {
-        return parseYangResourceDirectory(resourcePath, null, config);
-    }
-
-    /**
-     * Creates a new effective schema context containing the specified YANG sources. Statement parser mode is set to
-     * default mode.
-     *
-     * @param resourcePath relative path to the directory with YANG files to be parsed
-     * @param supportedFeatures set of supported features based on which all if-feature statements in the parsed YANG
-     *                          models are resolved
-     * @return effective schema context
-     */
-    public static EffectiveModelContext parseYangResourceDirectory(final String resourcePath,
-            final Set<QName> supportedFeatures) {
-        return parseYangResourceDirectory(resourcePath, supportedFeatures, YangParserConfiguration.DEFAULT);
-    }
-
-    /**
-     * Creates a new effective schema context containing the specified YANG sources.
-     *
-     * @param resourcePath relative path to the directory with YANG files to be parsed
-     * @param supportedFeatures set of supported features based on which all if-feature statements in the parsed YANG
-     *                          models are resolved
-     * @param parserMode mode of statement parser
-     * @return effective schema context
-     */
-    @SuppressFBWarnings(value = "NP_NULL_ON_SOME_PATH_FROM_RETURN_VALUE", justification = "Wrong inferent on listFiles")
-    public static EffectiveModelContext parseYangResourceDirectory(final String resourcePath,
-            final Set<QName> supportedFeatures, final YangParserConfiguration config) {
-        final URI directoryPath;
-        try {
-            directoryPath = YangParserTestUtils.class.getResource(resourcePath).toURI();
-        } catch (URISyntaxException e) {
-            throw new IllegalArgumentException("Failed to open resource " + resourcePath, e);
-        }
-        return parseYangFiles(supportedFeatures, config, new File(directoryPath).listFiles(YANG_FILE_FILTER));
-    }
-
-    /**
-     * Creates a new effective schema context containing the specified YANG sources. Statement parser mode is set to
-     * default mode and all YANG features are supported.
-     *
-     * @param clazz Resource lookup base
-     * @param resources Resource names to be looked up
-     * @return effective schema context
-     */
-    public static EffectiveModelContext parseYangResources(final Class<?> clazz, final String... resources) {
-        return parseYangResources(clazz, Arrays.asList(resources));
-    }
-
-    public static EffectiveModelContext parseYangResources(final Class<?> clazz, final Collection<String> resources) {
-        final List<YangTextSchemaSource> sources = new ArrayList<>(resources.size());
-        for (final String r : resources) {
-            sources.add(YangTextSchemaSource.forResource(clazz, r));
-        }
-        return parseSources(YangParserConfiguration.DEFAULT, null, sources);
-    }
-
-    /**
-     * Creates a new effective schema context containing the specified YANG sources. Statement parser mode is set to
-     * default mode.
-     *
-     * @param yangDirs relative paths to the directories containing YANG files to be parsed
-     * @param yangFiles relative paths to the YANG files to be parsed
-     * @param supportedFeatures set of supported features based on which all if-feature statements in the parsed YANG
-     *                          models are resolved
-     * @return effective schema context
-     */
-    public static EffectiveModelContext parseYangResources(final List<String> yangDirs, final List<String> yangFiles,
-            final Set<QName> supportedFeatures) {
-        return parseYangResources(yangDirs, yangFiles, supportedFeatures, YangParserConfiguration.DEFAULT);
-    }
-
-    /**
-     * Creates a new effective schema context containing the specified YANG sources. All YANG features are supported.
-     *
-     * @param yangResourceDirs relative paths to the directories containing YANG files to be parsed
-     * @param yangResources relative paths to the YANG files to be parsed
-     * @param statementParserMode mode of statement parser
-     * @return effective schema context
-     */
-    public static EffectiveModelContext parseYangResources(final List<String> yangResourceDirs,
-            final List<String> yangResources, final YangParserConfiguration config) {
-        return parseYangResources(yangResourceDirs, yangResources, null, config);
-    }
-
-    /**
-     * Creates a new effective schema context containing the specified YANG sources.
-     *
-     * @param yangResourceDirs relative paths to the directories containing YANG files to be parsed
-     * @param yangResources relative paths to the YANG files to be parsed
-     * @param supportedFeatures set of supported features based on which all if-feature statements in the parsed YANG
-     *                          models are resolved
-     * @param statementParserMode mode of statement parser
-     * @return effective schema context
-     */
-    public static EffectiveModelContext parseYangResources(final List<String> yangResourceDirs,
-            final List<String> yangResources, final Set<QName> supportedFeatures,
-            final YangParserConfiguration config) {
-        final List<File> allYangFiles = new ArrayList<>();
-        for (final String yangDir : yangResourceDirs) {
-            allYangFiles.addAll(getYangFiles(yangDir));
-        }
-
-        for (final String yangFile : yangResources) {
-            try {
-                allYangFiles.add(new File(YangParserTestUtils.class.getResource(yangFile).toURI()));
-            } catch (URISyntaxException e) {
-                throw new IllegalArgumentException("Invalid resource " + yangFile, e);
-            }
-        }
-
-        return parseYangFiles(supportedFeatures, config, allYangFiles);
-    }
-
-    public static EffectiveModelContext parseYangSources(final YangParserConfiguration config,
-            final Set<QName> supportedFeatures, final YangTextSchemaSource... sources) {
-        return parseSources(config, supportedFeatures, Arrays.asList(sources));
-    }
-
-    public static EffectiveModelContext parseSources(final YangParserConfiguration config,
-            final Set<QName> supportedFeatures, final Collection<? extends SchemaSourceRepresentation> sources) {
-        final YangParser parser = PARSER_FACTORY.createParser(config);
-        if (supportedFeatures != null) {
-            parser.setSupportedFeatures(supportedFeatures);
-        }
-
-        try {
-            parser.addSources(sources);
-        } catch (YangSyntaxErrorException e) {
-            throw new IllegalArgumentException("Malformed source", e);
-        } catch (IOException e) {
-            throw new IllegalArgumentException("Failed to read a source", e);
-        }
-
-        try {
-            return parser.buildEffectiveModel();
-        } catch (YangParserException e) {
-            throw new IllegalStateException("Failed to assemble SchemaContext", e);
-        }
-    }
-
-    @SuppressFBWarnings(value = "NP_NULL_ON_SOME_PATH_FROM_RETURN_VALUE", justification = "Wrong inferent on listFiles")
-    private static Collection<File> getYangFiles(final String resourcePath) {
-        final URI directoryPath;
-        try {
-            directoryPath = YangParserTestUtils.class.getResource(resourcePath).toURI();
-        } catch (URISyntaxException e) {
-            throw new IllegalArgumentException("Failed to open resource directory " + resourcePath, e);
-        }
-        return Arrays.asList(new File(directoryPath).listFiles(YANG_FILE_FILTER));
-    }
-}
diff --git a/sdnr/wt/devicemanager-o-ran-sc/o-ran/ru-fh/provider/src/test/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/oran/impl/dom/util/TestYangParserUtil.java b/sdnr/wt/devicemanager-o-ran-sc/o-ran/ru-fh/provider/src/test/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/oran/impl/dom/util/TestYangParserUtil.java
new file mode 100644
index 000000000..35a66055a
--- /dev/null
+++ b/sdnr/wt/devicemanager-o-ran-sc/o-ran/ru-fh/provider/src/test/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/oran/impl/dom/util/TestYangParserUtil.java
@@ -0,0 +1,112 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP : ccsdk features
+ * ================================================================================
+ * Copyright (C) 2022 highstreet technologies GmbH Intellectual Property.
+ * All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ *
+ */
+package org.onap.ccsdk.features.sdnr.wt.devicemanager.oran.impl.dom.util;
+
+import java.io.File;
+import java.io.FileFilter;
+import java.io.IOException;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Iterator;
+import java.util.ServiceLoader;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+import org.eclipse.jdt.annotation.NonNull;
+import org.opendaylight.yangtools.yang.common.QName;
+import org.opendaylight.yangtools.yang.common.YangConstants;
+import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
+import org.opendaylight.yangtools.yang.model.repo.api.SchemaSourceRepresentation;
+import org.opendaylight.yangtools.yang.model.repo.api.YangTextSchemaSource;
+import org.opendaylight.yangtools.yang.parser.api.YangParser;
+import org.opendaylight.yangtools.yang.parser.api.YangParserConfiguration;
+import org.opendaylight.yangtools.yang.parser.api.YangParserException;
+import org.opendaylight.yangtools.yang.parser.api.YangParserFactory;
+import org.opendaylight.yangtools.yang.parser.api.YangSyntaxErrorException;
+
+public final class TestYangParserUtil {
+
+	private static final FileFilter YANG_FILE_FILTER = file -> {
+		final String name = file.getName();
+		return name.endsWith(YangConstants.RFC6020_YANG_FILE_EXTENSION) && file.isFile();
+	};
+
+	private static final @NonNull YangParserFactory PARSER_FACTORY;
+
+	static {
+		final Iterator<@NonNull YangParserFactory> it = ServiceLoader.load(YangParserFactory.class).iterator();
+		if (!it.hasNext()) {
+			throw new IllegalStateException("No YangParserFactory found");
+		}
+		PARSER_FACTORY = it.next();
+	}
+
+	public static EffectiveModelContext parseYangFiles(final YangParserConfiguration config, final File... files) {
+		return parseYangFiles(config, Arrays.asList(files));
+	}
+
+	public static EffectiveModelContext parseYangFiles(final YangParserConfiguration config,
+			final Collection<File> files) {
+		return parseSources(config, files.stream().map(YangTextSchemaSource::forFile).collect(Collectors.toList()));
+	}
+
+	public static EffectiveModelContext parseYangResourceDirectory(final String resourcePath) {
+		return parseYangResourceDirectory(resourcePath, YangParserConfiguration.DEFAULT);
+	}
+
+	public static EffectiveModelContext parseYangResourceDirectory(final String resourcePath,
+			final YangParserConfiguration config) {
+		final URI directoryPath;
+		try {
+			directoryPath = TestYangParserUtil.class.getResource(resourcePath).toURI();
+		} catch (URISyntaxException e) {
+			throw new IllegalArgumentException("Failed to open resource " + resourcePath, e);
+		}
+		return parseYangFiles(config, new File(directoryPath).listFiles(YANG_FILE_FILTER));
+	}
+
+	public static EffectiveModelContext parseYangSources(final YangParserConfiguration config,
+			final Set<QName> supportedFeatures, final YangTextSchemaSource... sources) {
+		return parseSources(config, Arrays.asList(sources));
+	}
+
+	public static EffectiveModelContext parseSources(final YangParserConfiguration config,
+			final Collection<? extends SchemaSourceRepresentation> sources) {
+		final YangParser parser = PARSER_FACTORY.createParser(config);
+
+		try {
+			parser.addSources(sources);
+		} catch (YangSyntaxErrorException e) {
+			throw new IllegalArgumentException("Malformed source", e);
+		} catch (IOException e) {
+			throw new IllegalArgumentException("Failed to read a source", e);
+		}
+
+		try {
+			return parser.buildEffectiveModel();
+		} catch (YangParserException e) {
+			throw new IllegalStateException("Failed to assemble SchemaContext", e);
+		}
+	}
+}
diff --git a/sdnr/wt/devicemanager-o-ran-sc/o-ran/ru-fh/provider/src/test/resources/ietf-hardware.xml b/sdnr/wt/devicemanager-o-ran-sc/o-ran/ru-fh/provider/src/test/resources/ietf-hardware.xml
index 60f998630..433c51cba 100644
--- a/sdnr/wt/devicemanager-o-ran-sc/o-ran/ru-fh/provider/src/test/resources/ietf-hardware.xml
+++ b/sdnr/wt/devicemanager-o-ran-sc/o-ran/ru-fh/provider/src/test/resources/ietf-hardware.xml
@@ -8,10 +8,10 @@
             <admin-state>unlocked</admin-state>
             <oper-state>enabled</oper-state>
         </state>
-        <serial-num>10283</serial-num>
-        <software-rev>3.8.1 (2020-10-30 11:47:59)</software-rev>
-        <mfg-name>ISCO</mfg-name>
-        <model-name>ProteusCPRI Compact</model-name>
+        <serial-num>1234</serial-num>
+        <software-rev>1.2.3 (2022-10-30 09:34:59)</software-rev>
+        <mfg-name>Highstreet</mfg-name>
+        <model-name>HS O-RU</model-name>
         <description>HighStreet-ONAP40</description>
         <contains-child>chassis-temperature-exhaust</contains-child>
         <contains-child>chassis-temperature-inlet</contains-child>
@@ -36,7 +36,7 @@
         <sensor-data>
             <value>30</value>
             <value-type>celsius</value-type>
-            <value-timestamp>2021-03-18T19:51:50.3Z</value-timestamp>
+            <value-timestamp>2022-03-18T19:51:50.3Z</value-timestamp>
             <oper-status>ok</oper-status>
         </sensor-data>
     </component>
@@ -53,7 +53,7 @@
         <sensor-data>
             <value>29</value>
             <value-type>celsius</value-type>
-            <value-timestamp>2021-03-18T19:51:50.3Z</value-timestamp>
+            <value-timestamp>2022-03-18T19:51:50.3Z</value-timestamp>
             <oper-status>ok</oper-status>
         </sensor-data>
     </component>
@@ -82,7 +82,7 @@
         <sensor-data>
             <value>4100</value>
             <value-type>rpm</value-type>
-            <value-timestamp>2021-03-18T19:51:50.3Z</value-timestamp>
+            <value-timestamp>2022-03-18T19:51:50.3Z</value-timestamp>
             <oper-status>ok</oper-status>
         </sensor-data>
     </component>
@@ -212,10 +212,10 @@
         </state>
         <parent>chassis</parent>
         <parent-rel-pos>7</parent-rel-pos>
-        <serial-num>7220530</serial-num>
-        <firmware-rev>12.00.42-S (0F7F1001)</firmware-rev>
+        <serial-num>1020304050</serial-num>
+        <firmware-rev>123456 (0ABC56D1)</firmware-rev>
         <software-rev>0</software-rev>
-        <model-name>385A-SFP-2P-40-FHL-JC3</model-name>
+        <model-name>00AA-SFP-99-BB-CCC</model-name>
         <contains-child>slot0-temperature</contains-child>
         <contains-child>slot0-logical0</contains-child>
         <contains-child>slot0-logical1</contains-child>
@@ -263,9 +263,9 @@
         <parent>slot0-logical0</parent>
         <parent-rel-pos>0</parent-rel-pos>
         <o-ran-name xmlns="urn:o-ran:hardware:1.0">slot0-logical0-bbu</o-ran-name>
-        <serial-num>AYR3GA2</serial-num>
-        <mfg-name>FINISAR CORP.</mfg-name>
-        <model-name>FTLX1475D3BTL-E7</model-name>
+        <serial-num>ABC12DF3</serial-num>
+        <mfg-name>Highstreet</mfg-name>
+        <model-name>HS-99-56</model-name>
         <contains-child>slot0-logical0-bbu-temperature</contains-child>
     </component>
     <component>
@@ -296,9 +296,9 @@
         <parent>slot0-logical0</parent>
         <parent-rel-pos>1</parent-rel-pos>
         <o-ran-name xmlns="urn:o-ran:hardware:1.0">slot0-logical0-rrh</o-ran-name>
-        <serial-num>AYR3GA9</serial-num>
-        <mfg-name>FINISAR CORP.</mfg-name>
-        <model-name>FTLX1475D3BTL-E7</model-name>
+        <serial-num>ABC78YZ</serial-num>
+        <mfg-name>Highstreet</mfg-name>
+        <model-name>2W3E4R5T6Y</model-name>
         <contains-child>slot0-logical0-rrh-temperature</contains-child>
     </component>
     <component>
@@ -352,10 +352,10 @@
         </state>
         <parent>chassis</parent>
         <parent-rel-pos>9</parent-rel-pos>
-        <serial-num>7220718</serial-num>
-        <firmware-rev>12.00.42-S (0F7F1001)</firmware-rev>
+        <serial-num>23561289</serial-num>
+        <firmware-rev>12.00.42-S (0ABC45HJ)</firmware-rev>
         <software-rev>0</software-rev>
-        <model-name>385A-SFP-2P-40-FHL-JC3</model-name>
+        <model-name>ABC-123-DEF-XYZ</model-name>
         <mfg-date>2021-10-12T14:41:55.234Z</mfg-date>
         <contains-child>slot2-temperature</contains-child>
         <contains-child>slot2-logical0</contains-child>