2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2020 Nordix Foundation
4 * ================================================================================
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
16 * SPDX-License-Identifier: Apache-2.0
17 * ============LICENSE_END=========================================================
20 package org.onap.cps.api.impl;
23 import java.io.BufferedWriter;
25 import java.io.FileWriter;
26 import java.io.IOException;
27 import java.util.Iterator;
28 import java.util.ServiceLoader;
29 import org.onap.cps.api.CPService;
30 import org.onap.cps.spi.ModelPersistencyService;
31 import org.opendaylight.yangtools.yang.model.api.Module;
32 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
33 import org.opendaylight.yangtools.yang.model.parser.api.YangParser;
34 import org.opendaylight.yangtools.yang.model.parser.api.YangParserException;
35 import org.opendaylight.yangtools.yang.model.parser.api.YangParserFactory;
36 import org.opendaylight.yangtools.yang.model.repo.api.StatementParserMode;
37 import org.opendaylight.yangtools.yang.model.repo.api.YangTextSchemaSource;
38 import org.slf4j.Logger;
39 import org.slf4j.LoggerFactory;
40 import org.springframework.beans.factory.annotation.Autowired;
41 import org.springframework.stereotype.Component;
44 public class CPServiceImpl implements CPService {
46 private final static Logger LOGGER = LoggerFactory.getLogger(CPServiceImpl.class);
48 private static final YangParserFactory PARSER_FACTORY;
51 final Iterator<YangParserFactory> it =
52 ServiceLoader.load(YangParserFactory.class).iterator();
54 throw new IllegalStateException("No YangParserFactory found");
56 PARSER_FACTORY = it.next();
60 private ModelPersistencyService modelPersistencyService;
63 public SchemaContext parseAndValidateModel(final String yangModelContent)
64 throws IOException, YangParserException {
65 final File tempFile = File.createTempFile("yang", ".yang");
66 try (BufferedWriter writer = new BufferedWriter(new FileWriter(tempFile))) {
67 writer.write(yangModelContent);
68 } catch (IOException e) {
69 LOGGER.error("Unable to write to temporary file {}", e.getMessage());
71 return parseAndValidateModel(tempFile);
75 public SchemaContext parseAndValidateModel(final File yangModelFile) throws IOException, YangParserException {
76 final YangTextSchemaSource yangTextSchemaSource = YangTextSchemaSource.forFile(yangModelFile);
77 final YangParser yangParser = PARSER_FACTORY.createParser(StatementParserMode.DEFAULT_MODE);
78 yangParser.addSource(yangTextSchemaSource);
79 return yangParser.buildEffectiveModel();
83 public void storeSchemaContext(final SchemaContext schemaContext) {
84 for (final Module module : schemaContext.getModules()) {
85 modelPersistencyService.storeModule(module.getName(), module.toString(),
86 module.getRevision().toString());