Interface UpdateDescriptorEntry

  • All Superinterfaces:
    java.io.Serializable

    public interface UpdateDescriptorEntry
    extends java.io.Serializable
    Contains information about a single media file available for update. Instances of this class are returned by an UpdateDescriptor.
    • Method Summary

      All Methods Instance Methods Abstract Methods 
      Modifier and Type Method Description
      boolean checkVersionCompatible​(java.lang.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.
      java.lang.String getAdditionalAttribute​(java.lang.String attributeName, java.lang.String defaultValue)
      Returns an additional attribute that you have added to the entry element in the updates.xml file represented by this instance.
      java.lang.String getBundledJre()
      Returns the identifier of the bundled JRE.
      java.lang.String getComment()
      Returns the comment for this entry.
      java.lang.String getFileName()
      Returns the file name of the update installer.
      long getFileSize()
      Returns the file size of the update installer in bytes.
      java.lang.String getFileSizeVerbose()
      Returns the file size of the update installer as a verbose string.
      java.lang.String getMd5Sum()
      Returns the MD5 sum of the file if the option to calculate checksums has been enabled.
      java.lang.String getNewMediaFileId()
      Returns the media file ID of the update installer that is represented by this entry.
      java.lang.String getNewVersion()
      Returns the version of the available update.
      java.lang.String getSha256Sum()
      Returns the SHA-256 sum of the file if the option to calculate checksums has been enabled.
      java.lang.String getTargetMediaFileId()
      Returns the media file ID for which this update is suitable.
      java.lang.String getUpdatableVersionMax()
      Returns the maximum version that is eligible for an update.
      java.lang.String getUpdatableVersionMin()
      Returns the minimum version that is eligible for an update.
      java.net.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 an "Schedule update installation" action.
      boolean isSingleBundle()
      Returns whether the media file is a macOS single bundle installer or archive.
    • Method Detail

      • getTargetMediaFileId

        java.lang.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

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

        By default, this is 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

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

        By default, this is 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

        java.lang.String getFileName()
        Returns the file name of the update installer.
        Returns:
        the file name
      • getURL

        java.net.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

        java.lang.String getNewVersion()
        Returns the version of the available update.
        Returns:
        the new version
      • getNewMediaFileId

        java.lang.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 installer or archive.
        Returns:
        true for a single bundle installer or 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

        java.lang.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

        java.lang.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

        java.lang.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

        java.lang.String getBundledJre()
        Returns the identifier of the bundled JRE. If no JRE is bundled, this is the empty string. Otherwise, this is the file name of the JRE bundle without the .tar.gz extension.
        Returns:
        the ID of the bundled JRE or the empty string
      • getComment

        java.lang.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 updater offers the user a hyperlink to display this comment for an available update.

        Returns:
        the comment
      • getAdditionalAttribute

        java.lang.String getAdditionalAttribute​(java.lang.String attributeName,
                                                java.lang.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​(java.lang.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 an "Schedule update installation" action.
        Returns:
        true if scheduled