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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.core.converter.impl.pnfd.factory;
import java.util.Optional;
import org.openecomp.core.converter.pnfd.model.Transformation;
import org.openecomp.core.converter.impl.pnfd.parser.PnfdInputBlockParser;
import org.openecomp.core.converter.impl.pnfd.parser.PnfdNodeTemplateBlockParser;
import org.openecomp.core.converter.pnfd.parser.PnfdBlockParser;
/**
* Factory for {@link PnfdBlockParser}.
*/
public class PnfdBlockParserFactory {
private static PnfdBlockParserFactory instance;
private PnfdBlockParserFactory() {
}
public static PnfdBlockParserFactory getInstance() {
if (instance == null) {
instance = new PnfdBlockParserFactory();
}
return instance;
}
public Optional<PnfdBlockParser> get(final Transformation transformation) {
switch (transformation.getBlock()) {
case NODE_TEMPLATE:
return Optional.of(new PnfdNodeTemplateBlockParser(transformation));
case INPUT:
case GET_INPUT_FUNCTION:
return Optional.of(new PnfdInputBlockParser(transformation));
default:
return Optional.empty();
}
}
}
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