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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.parser;
import org.apache.commons.lang3.tuple.Pair;
import org.onap.cvc.csar.CSARArchive;
import org.onap.cvc.csar.PnfCSARError;
import java.util.ArrayList;
import java.util.List;
import static org.onap.cvc.csar.parser.ManifestConsts.*;
public class CmsParser {
private final String fileName;
public CmsParser(String fileName) {
this.fileName = fileName;
}
public Pair<String, List<CSARArchive.CSARError>> parse(List<String> lines){
StringBuilder buf = new StringBuilder();
List<CSARArchive.CSARError> errors = new ArrayList<>();
boolean isSpecialTagReached = false;
boolean cmsSectionParsing = false;
boolean endCmsMarkerReached = false;
boolean atEndFile = true;
for (String line : lines) {
ManifestLine manifestLine = ManifestLine.of(line);
if (cmsSectionParsing && isContainSepecialTag(manifestLine)) {
isSpecialTagReached = true;
} else if (!isSpecialTagReached && line.contains(BEGIN_CMS_SECTION)) {
cmsSectionParsing = true;
} else if (!isSpecialTagReached && line.contains(END_CMS_SECTION)) {
if(!cmsSectionParsing){
errors.add(new PnfCSARError.PnfCSARErrorInvalidEntry("Unable to find BEGIN CMS marker!", this.fileName, -1));
break;
}
cmsSectionParsing = false;
endCmsMarkerReached = true;
} else if (cmsSectionParsing){
buf.append(line);
} else if(endCmsMarkerReached) {
atEndFile = false;
}
}
if(!atEndFile){
errors.add(new PnfCSARError.PnfCSARErrorInvalidEntry("CMS section is not at the end of file!", this.fileName, -1));
}
return constructResponse(buf, errors, cmsSectionParsing, endCmsMarkerReached);
}
private boolean isContainSepecialTag(ManifestLine manifestLine) {
return manifestLine.startsWith(METADATA_SECTION_TAG_SECTION)
|| manifestLine.startsWith(NON_MANO_ARTIFACT_SETS_TAG_SECTION)
|| manifestLine.startsWith(SOURCE_TAG_SECTION);
}
private Pair<String, List<CSARArchive.CSARError>> constructResponse(StringBuilder buf, List<CSARArchive.CSARError> errors, boolean cmsSectionParsing, boolean endCmsMarkerReached) {
if(endCmsMarkerReached) {
return Pair.of(buf.toString(), errors);
} else if(cmsSectionParsing) {
errors.add(new PnfCSARError.PnfCSARErrorInvalidEntry("Unable to find END CMS marker!", this.fileName, -1));
return Pair.of("",errors);
} else {
return Pair.of("",errors);
}
}
}
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