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/*
* ============LICENSE_START=======================================================
* ONAP : ccsdk features
* ================================================================================
* Copyright (C) 2021 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.onf14.util;
import com.google.gson.stream.JsonReader;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.StringReader;
import java.net.URISyntaxException;
import java.nio.charset.StandardCharsets;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import org.opendaylight.yangtools.util.xml.UntrustedXML;
import org.opendaylight.yangtools.yang.common.QName;
import org.opendaylight.yangtools.yang.common.QNameModule;
import org.opendaylight.yangtools.yang.common.Revision;
import org.opendaylight.yangtools.yang.common.XMLNamespace;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeStreamWriter;
import org.opendaylight.yangtools.yang.data.codec.gson.JSONCodecFactory;
import org.opendaylight.yangtools.yang.data.codec.gson.JSONCodecFactorySupplier;
import org.opendaylight.yangtools.yang.data.codec.gson.JsonParserStream;
import org.opendaylight.yangtools.yang.data.codec.xml.XmlParserStream;
import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNormalizedNodeStreamWriter;
import org.opendaylight.yangtools.yang.data.impl.schema.NormalizedNodeResult;
import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
import org.opendaylight.yangtools.yang.model.util.SchemaInferenceStack.Inference;
//import org.opendaylight.yangtools.yang.model.util.SchemaInferenceStack.Inference; //Yangtool 8.0
import org.xml.sax.SAXException;
public class Onf14DomTestUtils {
private static final QNameModule CORE_MODEL_1_4_MODULE =
QNameModule.create(XMLNamespace.of("urn:onf:yang:core-model-1-4"), Revision.of("2019-11-27"));
private static final QName CORE_MODEL_CONTROL_CONSTRUCT_CONTAINER =
QName.create(CORE_MODEL_1_4_MODULE, "control-construct");
private static EffectiveModelContext schemaContext;
private static Inference hwContainerSchema;
static JSONCodecFactory lhotkaCodecFactory;
private static String streamAsString;
private static NormalizedNode transformedInput;
public static void cleanup() {
lhotkaCodecFactory = null;
schemaContext = null;
hwContainerSchema = null;
}
static String loadTextFile(final File file) throws IOException {
final StringBuilder result = new StringBuilder();
try (BufferedReader bufReader = new BufferedReader(new FileReader(file, StandardCharsets.UTF_8))) {
String line = null;
while ((line = bufReader.readLine()) != null) {
result.append(line);
}
}
return result.toString();
}
public static NormalizedNode getNormalizedNodeFromJson() throws IOException, URISyntaxException {
schemaContext = YangParserTestUtils.parseYangResourceDirectory("/");
lhotkaCodecFactory = JSONCodecFactorySupplier.DRAFT_LHOTKA_NETMOD_YANG_JSON_02.getShared(schemaContext);
streamAsString =
loadTextFile(new File(Onf14DomTestUtils.class.getResource("/ControlConstruct-data-test.json").toURI()));
final JsonReader reader = new JsonReader(new StringReader(streamAsString));
NormalizedNodeResult result = new NormalizedNodeResult();
// StreamWriter which attaches NormalizedNode under parent
final NormalizedNodeStreamWriter streamWriter = ImmutableNormalizedNodeStreamWriter.from(result);
// JSON -> StreamWriter parser
try (JsonParserStream handler = JsonParserStream.create(streamWriter, lhotkaCodecFactory)) {
handler.parse(new JsonReader(new StringReader(streamAsString)));
}
// Finally build the node
transformedInput = result.getResult();
return transformedInput;
}
public static NormalizedNode getNormalizedNodeFromXML()
throws XMLStreamException, URISyntaxException, IOException, SAXException {
schemaContext = YangParserTestUtils.parseYangResourceDirectory("/");
hwContainerSchema = Inference.ofDataTreePath(schemaContext, CORE_MODEL_CONTROL_CONSTRUCT_CONTAINER);
final InputStream resourceAsStream =
Onf14DomTestUtils.class.getResourceAsStream("/ControlConstruct-data-test.xml");
/*
* final XMLInputFactory factory = XMLInputFactory.newInstance();
* XMLStreamReader reader = factory.createXMLStreamReader(resourceAsStream);
*/
final XMLStreamReader reader = UntrustedXML.createXMLStreamReader(resourceAsStream);
final NormalizedNodeResult result = new NormalizedNodeResult();
final NormalizedNodeStreamWriter streamWriter = ImmutableNormalizedNodeStreamWriter.from(result);
final XmlParserStream xmlParser = XmlParserStream.create(streamWriter, hwContainerSchema);
xmlParser.parse(reader);
xmlParser.flush();
xmlParser.close();
transformedInput = result.getResult();
return transformedInput;
}
}
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