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/*
* Copyright © 2016-2017 European Support Limited
*
* 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.
*/
package org.openecomp.core.impl;
import org.apache.commons.collections4.CollectionUtils;
import org.openecomp.core.converter.errors.CreateToscaObjectErrorBuilder;
import org.openecomp.sdc.common.errors.CoreException;
import org.openecomp.sdc.common.utils.CommonUtil;
import java.util.HashSet;
import java.util.Map;
import java.util.Objects;
import java.util.Optional;
import java.util.Set;
import java.util.stream.Collectors;
import java.util.stream.Stream;
public class ToscaConverterUtil {
private static final String DEFAULT = "default";
private static final String DEFAULT_CAPITAL = "Default";
private static final Set<String> DEFAULT_VALUE_KEYS;
static {
DEFAULT_VALUE_KEYS =
Stream.of(DEFAULT, DEFAULT_CAPITAL).collect(Collectors.toSet());
}
private ToscaConverterUtil() {
// static utility methods only, prevent instantiation
}
static <T> Optional<T> createObjectFromClass(String objectId,
Object objectCandidate,
Class<T> classToCreate) {
try {
return CommonUtil.createObjectUsingSetters(objectCandidate, classToCreate);
} catch (Exception ex) {
throw new CoreException(
new CreateToscaObjectErrorBuilder(classToCreate.getSimpleName(), objectId)
.build(), ex);
}
}
static Optional<Object> getDefaultValue(Object entryValue,
Object objectToAssignDefaultValue) {
if (!(entryValue instanceof Map)
|| Objects.isNull(objectToAssignDefaultValue)) {
return Optional.empty();
}
return Optional.ofNullable(getDefaultParameterValue((Map<String, Object>) entryValue));
}
private static Object getDefaultParameterValue(Map<String, Object> entryValue) {
Object defaultValue = null;
Set<String> keys = new HashSet<>(entryValue.keySet());
keys.retainAll(DEFAULT_VALUE_KEYS);
if (CollectionUtils.isNotEmpty(keys)) {
defaultValue = entryValue.get(keys.iterator().next());
}
return defaultValue;
}
}
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