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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2019 Nordix Foundation.
* ================================================================================
* 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.openecomp.sdc.vendorsoftwareproduct.impl.orchestration.csar.validation;
import static org.openecomp.sdc.tosca.csar.CSARConstants.ETSI_VERSION_2_7_1;
import java.io.IOException;
import java.util.Comparator;
import java.util.List;
import java.util.ServiceLoader;
import java.util.ServiceLoader.Provider;
import java.util.stream.Collectors;
import org.openecomp.core.utilities.file.FileContentHandler;
import org.openecomp.sdc.vendorsoftwareproduct.services.impl.etsi.ETSIService;
import org.openecomp.sdc.vendorsoftwareproduct.services.impl.etsi.ETSIServiceImpl;
public class ValidatorFactory {
private final ServiceLoader<Validator> validatorLoader;
public ValidatorFactory() {
this.validatorLoader = ServiceLoader.load(Validator.class);
}
/**
* Returns a validator based on the contents of the csar package.
*
* @param fileContentHandler the csar package
* @return Validator based on the contents of the csar package provided
* @throws IOException when metafile is invalid
*/
public Validator getValidator(final FileContentHandler fileContentHandler) throws IOException {
final ETSIService etsiService = new ETSIServiceImpl(null);
if (!etsiService.hasEtsiSol261Metadata(fileContentHandler)) {
return etsiService.isEtsiPackage(fileContentHandler) ? new EtsiSol004Version251Validator() : new ONAPCsarValidator();
}
if (!etsiService.getHighestCompatibleSpecificationVersion(fileContentHandler).isLowerThan(ETSI_VERSION_2_7_1)) {
if (etsiService.hasCnfEnhancements(fileContentHandler)) {
return new SOL004Version4MetaDirectoryValidator();
}
return new SOL004Version3MetaDirectoryValidator();
}
return new SOL004MetaDirectoryValidator();
}
/**
* Get validators based on the given model.
*
* @param model the model
* @return a list containing all validators for the given model, empty otherwise.
*/
public List<Validator> getValidators(final String model) {
return validatorLoader.stream()
.map(Provider::get)
.filter(validator -> validator.appliesTo(model))
.sorted(Comparator.comparingInt(Validator::getOrder))
.collect(Collectors.toList());
}
}
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