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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2018 Ericsson. All rights reserved.
* Modifications Copyright (C) 2019, 2021-2022 Nordix Foundation.
* Modifications Copyright (C) 2020-2021 AT&T Intellectual Property. All rights reserved.
* Modifications Copyright (C) 2021 Bell Canada. All rights reserved.
* ================================================================================
* 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.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
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 policy files from a CSAR file.
*
* @author Ram Krishna Verma (ram.krishna.verma@ericsson.com)
*/
public class PolicyDecoderFileInCsarToPolicy implements PolicyDecoder<Csar, ToscaEntity> {
private PolicyDecoderFileInCsarToPolicyParameterGroup decoderParameters;
/**
* {@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> policyList;
try {
Map<String, ToscaServiceTemplate> templates = new HashMap<>();
ReceptionUtil.unzip(csar.getCsarFilePath(), templates, decoderParameters.getPolicyFileName(),
decoderParameters.getPolicyTypeFileName());
policyList = new ArrayList<>(templates.values());
} catch (final CoderException exp) {
throw new PolicyDecodingException("Failed decoding the policy", exp);
}
return policyList;
}
}
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