com.deniz.jira.versioning.util

Class SemanticVersionComparator<T extends com.atlassian.jira.entity.WithId & com.atlassian.jira.util.Named>

java.lang.Object

com.deniz.jira.versioning.util.SemanticVersionComparator<T>

All Implemented Interfaces:

java.util.Comparator<T>

public class SemanticVersionComparator<T extends com.atlassian.jira.entity.WithId & com.atlassian.jira.util.Named>
extends java.lang.Object
implements java.util.Comparator<T>

2.0 > 1.0, 2.1 > 2.1, 1.1.1 > 1.1.0, 1.1.1 > 1.0, 2.1 > 1.1.1

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	SemanticVersionComparator.SortOrder

Field Summary

Fields

Modifier and Type	Field and Description
private int	isAscending
static java.lang.String	VERSION_REG_EX

Constructor Summary

Constructors

Constructor and Description
SemanticVersionComparator(SemanticVersionComparator.SortOrder sortOder)

Method Summary

Modifier and Type	Method and Description
int	compare(T o1, T o2)
int	compareVersionParts(java.lang.String[] version1Parts, java.lang.String[] version2Parts) compares two version.
int	compareVersions(java.lang.String str1, java.lang.String str2)
java.lang.String[]	splitAndTrim(java.lang.String versionName)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.Comparator

comparing, comparing, comparingDouble, comparingInt, comparingLong, equals, naturalOrder, nullsFirst, nullsLast, reversed, reverseOrder, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Field Detail

VERSION_REG_EX

public static final java.lang.String VERSION_REG_EX

See Also:

Constant Field Values

isAscending

private final int isAscending

Constructor Detail

SemanticVersionComparator

public SemanticVersionComparator(SemanticVersionComparator.SortOrder sortOder)

Method Detail

compare

public int compare(T o1,
                   T o2)

Specified by:

compare in interface java.util.Comparator<T extends com.atlassian.jira.entity.WithId & com.atlassian.jira.util.Named>

compareVersions

public int compareVersions(java.lang.String str1,
                           java.lang.String str2)

compareVersionParts

public int compareVersionParts(java.lang.String[] version1Parts,
                               java.lang.String[] version2Parts)

compares two version.

Parameters:

version1Parts - split version parts: 1.2.4 -> [1, 2, 4]. a-b-c -> [a, b, c]

version2Parts - same as versionParts

Returns:

if versionParts is greater than otherVersionParts; returns 1, if versionParts is less than otherVersionParts; returns -1, if both are equal; returns 0.

splitAndTrim

@NotNull
public java.lang.String[] splitAndTrim(java.lang.String versionName)