Package com.install4j.api.update

Interface UpdateDescriptorEntry

All Superinterfaces:
Serializable
public interface UpdateDescriptorEntry extends Serializable
Contains information about a single media file available for update. Instances of this class are returned by an UpdateDescriptor.

  • Method Summary

    Modifier and Type
    Method
    Description
    boolean
    checkVersionCompatible(String version)
    Checks if a version is compatible with the minimum and maximum updatable versions and lower than the new version of this update descriptor entry.
    String
    getAdditionalAttribute(String attributeName, String defaultValue)
    Returns an additional attribute that you have added to the entry element in the updates.xml file represented by this instance.
    String
    getBundledJre()
    Returns the file name of the bundled JRE.
    String
    getComment()
    Returns the comment for this entry.
    String
    getFileName()
    Returns the file name of the update installer.
    long
    getFileSize()
    Returns the file size of the update installer in bytes.
    String
    getFileSizeVerbose()
    Returns the file size of the update installer as a verbose string.
    String
    getJreMaxVersion()
    Returns the required maximum version of the JRE.
    String
    getJreMinVersion()
    Returns the required minimum version of the JRE.
    String
    getMd5Sum()
    Returns the MD5 sum of the file if the option to calculate checksums has been enabled.
    String
    getNewMediaFileId()
    Returns the media file ID of the update installer that is represented by this entry.
    String
    getNewVersion()
    Returns the version of the available update.
    String
    getSha256Sum()
    Returns the SHA-256 sum of the file if the option to calculate checksums has been enabled.
    String
    getTargetMediaFileId()
    Returns the media file ID for which this update is suitable.
    String
    getUpdatableVersionMax()
    Returns the maximum version that is eligible for an update.
    String
    getUpdatableVersionMin()
    Returns the minimum version that is eligible for an update.
    URL
    getURL()
    Returns the full URL from which the update installer can be downloaded.
    boolean
    isArchive()
    Returns whether the media file is an installer or an archive.
    boolean
    isDownloaded()
    Checks if an updater with this version is already downloaded and scheduled for installation by a "Schedule update installation" action.
    boolean
    isSingleBundle()
    Returns whether the media file is a macOS single bundle archive.

  • Method Details

    • getTargetMediaFileId

      String getTargetMediaFileId()
      Returns the media file ID for which this update is suitable.

      Note: install4j creates one update descriptor entry for each media file. If you discontinue a media file, you can duplicate a suitable update descriptor entry in updates.xml and set its target media file ID to that of the discontinued media file.

      Returns:
      the media file ID

    • getUpdatableVersionMin

      String getUpdatableVersionMin()
      Returns the minimum version that is eligible for an update.

      By default, this is the empty string. If you want to set a minimum version, you can change the updatableVersionMin attribute on the corresponding entry element in the updates.xml file.

      Returns:
      the minimum version

    • getUpdatableVersionMax

      String getUpdatableVersionMax()
      Returns the maximum version that is eligible for an update.

      By default, this is the empty string. If you want to set a maximum version, you can change the updatableVersionMax attribute on the corresponding entry element in the updates.xml file.

      Returns:
      the maximum version

    • getFileName

      String getFileName()
      Returns the file name of the update installer.
      Returns:
      the file name

    • getURL

      URL getURL()
      Returns the full URL from which the update installer can be downloaded. This includes the file name and is based on the base url of the update descriptor.
      Returns:
      the URL

    • getNewVersion

      String getNewVersion()
      Returns the version of the available update.
      Returns:
      the new version

    • getNewMediaFileId

      String getNewMediaFileId()
      Returns the media file ID of the update installer that is represented by this entry.
      Returns:
      the media file ID

    • isArchive

      boolean isArchive()
      Returns whether the media file is an installer or an archive.
      Returns:
      true for an archive

    • isSingleBundle

      boolean isSingleBundle()
      Returns whether the media file is a macOS single bundle archive.
      Returns:
      true for a single bundle archive

    • getFileSize

      long getFileSize()
      Returns the file size of the update installer in bytes. The size is determined at compile time.
      Returns:
      the file size in bytes

    • getSha256Sum

      String getSha256Sum()
      Returns the SHA-256 sum of the file if the option to calculate checksums has been enabled. That option is found on the General Settings->Media File Options step in the install4j IDE. If the option is disabled, this method returns null.
      Returns:
      the SHA-256 sum as a hex string or null if checksums are not calculated

    • getMd5Sum

      String getMd5Sum()
      Returns the MD5 sum of the file if the option to calculate checksums has been enabled. That option is found on the General Settings->Media File Options step in the install4j IDE. If the option is disabled, this method returns null.
      Returns:
      the MD5 sum as a hex string or null if checksums are not calculated

    • getFileSizeVerbose

      String getFileSizeVerbose()
      Returns the file size of the update installer as a verbose string. The size is determined at compile time.
      Returns:
      the file size as a string

    • getBundledJre

      String getBundledJre()
      Returns the file name of the bundled JRE. If no JRE is bundled, this is the empty string.
      Returns:
      the file name of the bundled JRE or the empty string

    • getJreMinVersion

      String getJreMinVersion()
      Returns the required minimum version of the JRE.
      Returns:
      the minimum version or the empty string

    • getJreMaxVersion

      String getJreMaxVersion()
      Returns the required maximum version of the JRE.
      Returns:
      the maximum version or the empty string

    • getComment

      String getComment()
      Returns the comment for this entry. By default, the comment is empty. You can add comments in the comment elements in the updates.xml file. The comment with the language that matches the current locale is returned. If there is no matching language, the comment for the principal language is returned.

      The default standalone update downloader offers the user a hyperlink to display this comment for an available update.

      Returns:
      the comment

    • getAdditionalAttribute

      String getAdditionalAttribute(String attributeName, String defaultValue)
      Returns an additional attribute that you have added to the entry element in the updates.xml file represented by this instance.
      Parameters:
      attributeName - the name of the additional attribute
      defaultValue - the default value to be returned if the attribute does not exist
      Returns:
      the attribute value

    • checkVersionCompatible

      boolean checkVersionCompatible(String version)
      Checks if a version is compatible with the minimum and maximum updatable versions and lower than the new version of this update descriptor entry. In that case, this update descriptor entry is a candidate for downloading an update when only considering version numbers.
      Parameters:
      version - the version
      Returns:
      true if compatible

    • isDownloaded

      boolean isDownloaded()
      Checks if an updater with this version is already downloaded and scheduled for installation by a "Schedule update installation" action.
      Returns:
      true if scheduled