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/*
* -
* ============LICENSE_START=======================================================
* 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.openecomp.sdc.be.datatypes.elements;
import com.google.gson.Gson;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import lombok.Data;
import org.apache.commons.collections4.CollectionUtils;
import org.openecomp.sdc.be.datatypes.enums.PropertySource;
import org.openecomp.sdc.be.datatypes.tosca.ToscaGetFunctionType;
@Data
public class ToscaGetFunctionDataDefinition {
private String propertyUniqueId;
private String propertyName;
private PropertySource propertySource;
private String sourceUniqueId;
private String sourceName;
private ToscaGetFunctionType functionType;
private List<String> propertyPathFromSource = new ArrayList<>();
public ToscaGetFunctionDataDefinition() {
//necessary for JSON conversions
}
public boolean isSubProperty() {
return propertyPathFromSource != null && propertyPathFromSource.size() > 1;
}
/**
* Builds the value of a property based on the TOSCA get function information.
*/
public String generatePropertyValue() {
if (functionType == null) {
throw new IllegalStateException("functionType is required in order to generate the get function value");
}
if (CollectionUtils.isEmpty(propertyPathFromSource)) {
throw new IllegalStateException("propertyPathFromSource is required in order to generate the get function value");
}
final var gson = new Gson();
if (functionType == ToscaGetFunctionType.GET_PROPERTY || functionType == ToscaGetFunctionType.GET_ATTRIBUTE) {
return gson.toJson(buildFunctionValueWithPropertySource());
}
if (functionType == ToscaGetFunctionType.GET_INPUT) {
return gson.toJson(buildGetInputFunctionValue());
}
throw new UnsupportedOperationException(String.format("ToscaGetFunctionType '%s' is not supported yet", functionType));
}
private Map<String, Object> buildFunctionValueWithPropertySource() {
if (propertySource == null) {
throw new IllegalStateException(
String.format("propertySource is required in order to generate the %s value", functionType.getFunctionName())
);
}
if (propertySource == PropertySource.SELF) {
return Map.of(functionType.getFunctionName(),
Stream.concat(Stream.of(PropertySource.SELF.getName()), propertyPathFromSource.stream()).collect(Collectors.toList())
);
}
if (propertySource == PropertySource.INSTANCE) {
if (sourceName == null) {
throw new IllegalStateException(
String.format("sourceName is required in order to generate the %s from INSTANCE value", functionType.getFunctionName())
);
}
return Map.of(functionType.getFunctionName(),
Stream.concat(Stream.of(sourceName), propertyPathFromSource.stream()).collect(Collectors.toList())
);
}
throw new UnsupportedOperationException(String.format("Tosca property source '%s' not supported", propertySource));
}
private Map<String, Object> buildGetInputFunctionValue() {
if (this.propertyPathFromSource.size() == 1) {
return Map.of(this.functionType.getFunctionName(), this.propertyPathFromSource.get(0));
}
return Map.of(this.functionType.getFunctionName(), this.propertyPathFromSource);
}
}
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