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/*-
* ============LICENSE_START=======================================================
* SDC
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. 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.
* ============LICENSE_END=========================================================
*/
package org.openecomp.sdc.be.utils;
import org.openecomp.sdc.common.api.Constants;
public class CommonBeUtils {
/**
* Compares two ASDC versions of a component. It's for internal usage, so the assumption is that the versions are in valid format.
*
* @param firstVersion
* - version in format major.minor or just major (e.g, 2.0 or 2)
* @param secondVersion
* - version in format major.minor or just major (e.g, 2.0 or 2)
* @return Returns true iff:<br>
* 1) first version's major number is higher than second's (e.g., firstVersion = 1.1, secondVersion = 0.3)<br>
* 2) major version are equal, but first's minor version is higher than second's (e.g., firstVersion = 0.10, secondVersion = 0.9) <br>
*/
public static boolean compareAsdcComponentVersions(String firstVersion, String secondVersion) {
String[] firstVersionNums = firstVersion.split("\\.");
String[] secondVersionNums = secondVersion.split("\\.");
int firstMajor = Integer.parseInt(firstVersionNums[0]);
int secondMajor = Integer.parseInt(secondVersionNums[0]);
int compareRes = Integer.compare(firstMajor, secondMajor);
if (compareRes == 0) {
int firstMinor = (firstVersionNums.length == 2 ? Integer.parseInt(firstVersionNums[1]) : 0);
int secondMinor = (secondVersionNums.length == 2 ? Integer.parseInt(secondVersionNums[1]) : 0);
compareRes = Integer.compare(firstMinor, secondMinor);
return (compareRes > 0);
} else {
return (compareRes > 0);
}
}
/**
* Compares two version strings.
*
* Use this instead of String.compareTo() for a non-lexicographical
* comparison that works for version strings. e.g. "1.10".compareTo("1.6").
*
* @note It does not work if "1.10" is supposed to be equal to "1.10.0".
*
* @param str1 a string of ordinal numbers separated by decimal points.
* @param str2 a string of ordinal numbers separated by decimal points.
* @return The result is a negative integer if str1 is _numerically_ less than str2.
* The result is a positive integer if str1 is _numerically_ greater than str2.
* The result is zero if the strings are _numerically_ equal.
*/
public static int conformanceLevelCompare(String str1, String str2) {
String[] vals1 = str1.split("\\.");
String[] vals2 = str2.split("\\.");
int i = 0;
// set index to first non-equal ordinal or length of shortest version string
while (i < vals1.length && i < vals2.length && vals1[i].equals(vals2[i])) {
i++;
}
// compare first non-equal ordinal number
if (i < vals1.length && i < vals2.length) {
int diff = Integer.valueOf(vals1[i]).compareTo(Integer.valueOf(vals2[i]));
return Integer.signum(diff);
}
// the strings are equal or one string is a substring of the other
// e.g. "1.2.3" = "1.2.3" or "1.2.3" < "1.2.3.4"
return Integer.signum(vals1.length - vals2.length);
}
public static String generateToscaResourceName(String resourceType, String resourceSystemName) {
return Constants.USER_DEFINED_RESOURCE_NAMESPACE_PREFIX + resourceType.toLowerCase() + "." + resourceSystemName;
}
}
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