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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2022 Nordix Foundation.
* Modifications Copyright (C) 2022 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.onap.policy.distribution.reception.decoding.policy.file;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Enumeration;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
import org.onap.policy.common.parameters.ParameterService;
import org.onap.policy.common.utils.coder.CoderException;
import org.onap.policy.distribution.model.Csar;
import org.onap.policy.distribution.model.PolicyInput;
import org.onap.policy.distribution.reception.decoding.PolicyDecoder;
import org.onap.policy.distribution.reception.decoding.PolicyDecodingException;
import org.onap.policy.distribution.reception.util.ReceptionUtil;
import org.onap.policy.models.tosca.authorative.concepts.ToscaEntity;
import org.onap.policy.models.tosca.authorative.concepts.ToscaServiceTemplate;
/**
* This class extracts acm information from a CSAR file.
*
* @author Sirisha Manchikanti (sirisha.manchikanti@est.tech)
*/
public class AutomationCompositionDecoderFileInCsar implements PolicyDecoder<Csar, ToscaEntity> {
private AutomationCompositionDecoderFileInCsarParameterGroup decoderParameters;
private static final String NODE_TYPES = "nodes.yml";
private static final String DATA_TYPES = "data.yml";
/**
* {@inheritDoc}.
*/
@Override
public void configure(final String parameterGroupName) {
decoderParameters = ParameterService.get(parameterGroupName);
}
/**
* {@inheritDoc}.
*/
@Override
public boolean canHandle(final PolicyInput policyInput) {
return policyInput.getClass().isAssignableFrom(Csar.class);
}
/**
* {@inheritDoc}.
*/
@Override
public Collection<ToscaEntity> decode(final Csar csar) throws PolicyDecodingException {
final Collection<ToscaEntity> automationCompositionList = new ArrayList<>();
ToscaServiceTemplate nodeTypes = null;
ToscaServiceTemplate dataTypes = null;
try (var zipFile = new ZipFile(csar.getCsarFilePath())) {
final Enumeration<? extends ZipEntry> entries = zipFile.entries();
while (entries.hasMoreElements()) {
//
// Sonar will flag this as a Security Hotspot
// "Expanding archive files is security-sensitive"
// isZipEntryValid ensures the file being read exists in the archive
//
final ZipEntry entry = entries.nextElement(); // NOSONAR
final String entryName = entry.getName();
// Store node_types
if (entryName.contains(NODE_TYPES)) {
nodeTypes = ReceptionUtil.decodeFile(zipFile, entry);
}
// Store data_types
if (entryName.contains(DATA_TYPES)) {
dataTypes = ReceptionUtil.decodeFile(zipFile, entry);
}
if (entryName.contains(decoderParameters.getAutomationCompositionType())) {
ReceptionUtil.validateZipEntry(entryName, csar.getCsarFilePath(), entry.getSize());
final ToscaServiceTemplate automationComposition = ReceptionUtil.decodeFile(zipFile, entry);
if (null != automationComposition.getToscaTopologyTemplate()) {
if (null != nodeTypes) {
automationComposition.setNodeTypes(nodeTypes.getNodeTypes());
}
if (null != dataTypes) {
automationComposition.setDataTypes(dataTypes.getDataTypes());
}
automationCompositionList.add(automationComposition);
}
}
}
} catch (final IOException | CoderException exp) {
throw new PolicyDecodingException("Failed decoding the acm", exp);
}
return automationCompositionList;
}
}
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