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/*
* ============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);
}
}
}
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