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/*
* Copyright © 2016-2018 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.util;
import java.util.Optional;
import org.apache.commons.lang3.ArrayUtils;
import org.openecomp.core.dao.UniqueValueDao;
import org.openecomp.core.dao.types.UniqueValueEntity;
import org.openecomp.core.utilities.CommonMethods;
import org.openecomp.sdc.common.errors.CoreException;
import org.openecomp.sdc.common.errors.ErrorCategory;
import org.openecomp.sdc.common.errors.ErrorCode;
public class UniqueValueUtil {
private static final String UNIQUE_VALUE_VIOLATION = "UNIQUE_VALUE_VIOLATION";
private static final String UNIQUE_VALUE_VIOLATION_MSG = "%s with the value '%s' already exists.";
private static final char FORMATTED_UNIQUE_VALUE_SEPARATOR = '_';
private final UniqueValueDao uniqueValueDao;
public UniqueValueUtil(UniqueValueDao uniqueValueDao) {
this.uniqueValueDao = uniqueValueDao;
}
/**
* Create unique value.
*
* @param type the type
* @param uniqueCombination the unique combination
*/
public void createUniqueValue(String type, String... uniqueCombination) {
String originalEntityName = null;
if (ArrayUtils.isNotEmpty(uniqueCombination)) {
originalEntityName = uniqueCombination[uniqueCombination.length - 1];
}
Optional<String> formattedValue = formatValue(uniqueCombination);
if (formattedValue.isPresent()) {
validateUniqueValue(type, formattedValue.get(), originalEntityName);
uniqueValueDao.create(new UniqueValueEntity(type, formattedValue.get()));
}
}
/**
* Delete unique value.
*
* @param type the type
* @param uniqueCombination the unique combination
*/
public void deleteUniqueValue(String type, String... uniqueCombination) {
formatValue(uniqueCombination).ifPresent(
formattedValue -> uniqueValueDao.delete(new UniqueValueEntity(type, formattedValue)));
}
/**
* Update unique value.
*
* @param type the type
* @param oldValue the old value
* @param newValue the new value
* @param uniqueContext the unique context
*/
public void updateUniqueValue(String type, String oldValue, String newValue,
String... uniqueContext) {
if (newValue == null || !newValue.equalsIgnoreCase(oldValue)) {
createUniqueValue(type, CommonMethods.concat(uniqueContext, new String[] {newValue}));
deleteUniqueValue(type, CommonMethods.concat(uniqueContext, new String[] {oldValue}));
}
}
/**
* Validate unique value.
*
* @param type the type
* @param uniqueCombination the unique combination
*/
public void validateUniqueValue(String type, String... uniqueCombination) {
String originalEntityName = null;
if (ArrayUtils.isNotEmpty(uniqueCombination)) {
originalEntityName = uniqueCombination[uniqueCombination.length - 1];
}
Optional<String> formattedValue = formatValue(uniqueCombination);
if (formattedValue.isPresent()) {
validateUniqueValue(type, formattedValue.get(), originalEntityName);
}
}
private void validateUniqueValue(String type, String formattedValue, String originalEntityName) {
if (isUniqueValueOccupied(type, formattedValue)) {
throw new CoreException(new ErrorCode.ErrorCodeBuilder()
.withCategory(ErrorCategory.APPLICATION)
.withId(UNIQUE_VALUE_VIOLATION)
.withMessage(String
.format(UNIQUE_VALUE_VIOLATION_MSG, type, originalEntityName))
.build());
}
}
/**
* Checks if a unique value is taken.
*
* @return true if the unique value is occupied, false otherwise
*/
public boolean isUniqueValueOccupied(String type, String... uniqueCombination) {
return formatValue(uniqueCombination)
.map(formattedValue -> isUniqueValueOccupied(type, formattedValue))
.orElse(false);
}
private boolean isUniqueValueOccupied(String type, String formattedValue) {
return uniqueValueDao.get(new UniqueValueEntity(type, formattedValue)) != null;
}
private static Optional<String> formatValue(String[] uniqueCombination) {
if (uniqueCombination == null || uniqueCombination.length == 0
|| getValueWithoutContext(uniqueCombination) == null) {
return Optional.empty();
}
uniqueCombination[uniqueCombination.length - 1] =
getValueWithoutContext(uniqueCombination).toLowerCase();
return Optional.of(CommonMethods
.arrayToSeparatedString(uniqueCombination, FORMATTED_UNIQUE_VALUE_SEPARATOR));
}
private static String getValueWithoutContext(String... uniqueCombination) {
return uniqueCombination[uniqueCombination.length - 1];
}
}
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