com.hazelcast.com.fasterxml.jackson.core.util

## Class VersionUtil

- java.lang.Object
- - com.hazelcast.com.fasterxml.jackson.core.util.VersionUtil

-     public class VersionUtil
      extends Object

  Functionality for supporting exposing of component `Version`s. Also contains other misc methods that have no other place to live in.

  Note that this class can be used in two roles: first, as a static utility class for loading purposes, and second, as a singleton loader of per-module version information.

  Note that method for accessing version information changed between versions 2.1 and 2.2; earlier code used file named "VERSION.txt"; but this has serious performance issues on some platforms (Android), so a replacement system was implemented to use class generation and dynamic class loading.

  Note that functionality for reading "VERSION.txt" was removed completely from Jackson 2.6.

- - ### Constructor Summary

    Constructors
    Modifier | Constructor and Description
    --- | ---
    `protected` | `VersionUtil()`

  - ### Method Summary

    All Methods Static Methods Instance Methods Concrete Methods Deprecated Methods
    Modifier and Type | Method and Description
    --- | ---
    `static Version` | `mavenVersionFor(ClassLoader cl, String groupId, String artifactId)` Deprecated. Since 2.6: functionality not used by any official Jackson component, should be moved out if anyone needs it
    `static Version` | `packageVersionFor(Class<?> cls)` Loads version information by introspecting a class named "PackageVersion" in the same package as the given class.
    `static Version` | `parseVersion(String s, String groupId, String artifactId)` Method used by `PackageVersion` classes to decode version injected by Maven build.
    `protected static int` | `parseVersionPart(String s)`
    `static void` | `throwInternal()`
    `Version` | `version()` Deprecated.
    `static Version` | `versionFor(Class<?> cls)` Helper method that will try to load version information for specified class.

    - ### Methods inherited from class java.lang.Object

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

- - ### Constructor Detail

    - #### VersionUtil

          protected VersionUtil()

  - ### Method Detail

    - #### version

          @Deprecated
          public Version version()

      Deprecated.

    - #### versionFor

          public static Version versionFor(Class<?> cls)

      Helper method that will try to load version information for specified class. Implementation is as follows: First, tries to load version info from a class named "PackageVersion" in the same package as the class. If no version information is found, `Version.unknownVersion()` is returned.

    - #### packageVersionFor

          public static Version packageVersionFor(Class<?> cls)

      Loads version information by introspecting a class named "PackageVersion" in the same package as the given class.

      If the class could not be found or does not have a public static Version field named "VERSION", returns null.

    - #### mavenVersionFor

          @Deprecated
          public static Version mavenVersionFor(ClassLoader cl,
                                                            String groupId,
                                                            String artifactId)

      Deprecated. Since 2.6: functionality not used by any official Jackson component, should be moved out if anyone needs it
      Will attempt to load the maven version for the given groupId and artifactId. Maven puts a pom.properties file in META-INF/maven/groupId/artifactId, containing the groupId, artifactId and version of the library.
      Parameters:
        `cl` - the ClassLoader to load the pom.properties file from
        `groupId` - the groupId of the library
        `artifactId` - the artifactId of the library
      Returns:
        The version

    - #### parseVersion

          public static Version parseVersion(String s,
                                             String groupId,
                                             String artifactId)

      Method used by `PackageVersion` classes to decode version injected by Maven build.

    - #### parseVersionPart

          protected static int parseVersionPart(String s)

    - #### throwInternal

          public static final void throwInternal()

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