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/*
* Copyright 2019 Nokia
* <p>
* 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
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* 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.
*
*/
package org.onap.cvc.csar;
import org.apache.commons.lang3.tuple.Pair;
import org.onap.cvc.csar.parser.CmsParser;
import org.onap.cvc.csar.parser.SourcesParser;
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;
import java.util.stream.Stream;
class VnfManifestParser {
private static final String ENTRY_MANIFEST_METADATA = "metadata";
private static final String ENTRY_MANIFEST_METADATA_VNF_PROVIDER_ID = "vnf_provider_id";
private static final String ENTRY_MANIFEST_METADATA_VNF_PRODUCT_NAME = "vnf_product_name";
private static final String ENTRY_MANIFEST_METADATA_VNF_RELEASE_DATA_TIME = "vnf_release_data_time";
private static final String ENTRY_MANIFEST_METADATA_VNF_PACKAGE_VERSION = "vnf_package_version";
private final List<String> lines;
private final String vnfManifestFileName;
private final SourcesParser sourcesParser;
private final CmsParser cmsParser;
private VnfManifestParser(List<String> lines, String vnfManifestFileName, SourcesParser sourcesParser, CmsParser cmsParser) {
this.lines = lines;
this.vnfManifestFileName = vnfManifestFileName;
this.sourcesParser = sourcesParser;
this.cmsParser = cmsParser;
}
static VnfManifestParser getInstance(File vnfManifestFile) throws IOException {
String fileName = vnfManifestFile.getAbsolutePath();
try (Stream<String> stream = Files.lines(Paths.get(fileName))) {
List<String> lines = stream
.map(String::trim)
.collect(Collectors.toList());
final String vnfManifestFileName = vnfManifestFile.getName();
return new VnfManifestParser(
lines,
vnfManifestFileName,
new SourcesParser(vnfManifestFileName),
new CmsParser(vnfManifestFileName)
);
}
}
Pair<CSARArchive.Manifest.Metadata, List<CSARArchive.CSARError>> fetchMetadata(){
final CSARArchive.Manifest.Metadata metadata = new CSARArchive.Manifest.Metadata();
final List<CSARArchive.CSARError> errors = new ArrayList<>();
int lineNo =0;
//first hit the metadata: section
for (String line: lines) {
lineNo ++;
line = line.trim();
//continue till it reaches the metadata section
if (line.equalsIgnoreCase(ENTRY_MANIFEST_METADATA + ":")) {
break;
}
}
if (lineNo < lines.size()) {
parseMetadataSection(metadata, errors, lineNo);
}
return Pair.of(metadata, errors);
}
private void parseMetadataSection(CSARArchive.Manifest.Metadata metadata, List<CSARArchive.CSARError> errors, int lineNo) {
for (int i = lineNo; i< lines.size(); i++) {
String line = lines.get(i).trim();
String[] tokens = line.split(":");
if (skipLine( line ) || tokens.length < 2){
continue;
}
String key = tokens[0];
String value = tokens[1];
//continue till it reaches the metadata section
if (key.equalsIgnoreCase(ENTRY_MANIFEST_METADATA_VNF_PACKAGE_VERSION)) {
metadata.setPackageVersion(value);
} else if (key.equalsIgnoreCase(ENTRY_MANIFEST_METADATA_VNF_PRODUCT_NAME)) {
metadata.setProductName(value);
} else if (key.equalsIgnoreCase(ENTRY_MANIFEST_METADATA_VNF_PROVIDER_ID)) {
metadata.setProviderId(value);
} else if (key.equalsIgnoreCase(ENTRY_MANIFEST_METADATA_VNF_RELEASE_DATA_TIME)) {
metadata.setReleaseDateTime(value);
} else {
//Non-Mano entries are not processed as of now...
errors.add(
new CSARArchive.CSARErrorIgnored(
key,
vnfManifestFileName,
i,
null));
}
}
}
Pair<List<SourcesParser.Source>, List<CSARArchive.CSARError>> fetchSourcesSection() {
return this.sourcesParser.parse(this.lines);
}
Pair<String, List<CSARArchive.CSARError>> fetchCMS() {
return this.cmsParser.parse(this.lines);
}
private boolean skipLine(String line) {
return line.isEmpty()
|| line.toLowerCase().matches("^(#|source|algorithm|hash).*$");
}
}
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