Module org.tentackle.update
Package org.tentackle.update

Class AbstractUpdateServiceImpl

  • All Implemented Interfaces:
    java.io.Serializable, java.rmi.Remote, UpdateService
    public abstract class AbstractUpdateServiceImpl
extends java.rmi.server.UnicastRemoteObject
implements UpdateService
    Server side update service implementation.
    See Also:
    Serialized Form

    • Field Summary

      • Fields inherited from class java.rmi.server.RemoteObject

        ref

    • Constructor Summary

      Constructors 
      Constructor Description
      AbstractUpdateServiceImpl​(int port, java.lang.String updateURL)
      Creates an update service object.
      AbstractUpdateServiceImpl​(int port, java.lang.String updateURL, java.rmi.server.RMIClientSocketFactory csf, java.rmi.server.RMIServerSocketFactory ssf)
      Creates an update service object.

    • Method Summary

      All Methods Instance Methods Abstract Methods Concrete Methods 
      Modifier and Type Method Description
      protected abstract java.lang.String createServerVersion()
      Gets the server version.
      protected abstract java.net.URL createShaURL​(ClientInfo clientInfo)
      Creates the URL for the SHA256 file.
      protected abstract java.lang.String createUpdateExecutor​(ClientInfo clientInfo)
      Creates the name of the update executor.
      protected abstract java.net.URL createZipURL​(ClientInfo clientInfo)
      Creates the URL for the ZIP file.
      protected long determineDownloadSize​(java.net.URL zipURL)
      Determines the download size of the ZIP file.
      protected java.lang.String determineShaHash​(java.net.URL shaURL)
      Determines the SHA hash.
      UpdateInfo getInfo​(ClientInfo clientInfo)
      Gets the info how to download and install the update.
      java.lang.String getUpdateURL()
      Gets the update base URL.
      void setUpdateURL​(java.lang.String updateURL)
      Sets the update base URL.

      • Methods inherited from class java.rmi.server.UnicastRemoteObject

        clone, exportObject, exportObject, exportObject, exportObject, exportObject, unexportObject

      • Methods inherited from class java.rmi.server.RemoteServer

        getClientHost, getLog, setLog

      • Methods inherited from class java.rmi.server.RemoteObject

        equals, getRef, hashCode, toString, toStub

      • Methods inherited from class java.lang.Object

        finalize, getClass, notify, notifyAll, wait, wait, wait

    • Constructor Detail

      • AbstractUpdateServiceImpl

        public AbstractUpdateServiceImpl​(int port,
                                 java.lang.String updateURL)
                          throws java.rmi.RemoteException
        Creates an update service object.
        Parameters:
        port - the tcp-port, 0 = system default
        updateURL - the http url where to download the updates from
        Throws:
        java.rmi.RemoteException - if failed to export object

      • AbstractUpdateServiceImpl

        public AbstractUpdateServiceImpl​(int port,
                                 java.lang.String updateURL,
                                 java.rmi.server.RMIClientSocketFactory csf,
                                 java.rmi.server.RMIServerSocketFactory ssf)
                          throws java.rmi.RemoteException
        Creates an update service object.
        Parameters:
        port - the tcp-port, 0 = system default
        updateURL - the http url where to download the updates from
        csf - the client socket factory
        ssf - the server socket factory
        Throws:
        java.rmi.RemoteException - if failed to export object

    • Method Detail

      • getUpdateURL

        public java.lang.String getUpdateURL()
        Gets the update base URL.
        Returns:
        the url

      • setUpdateURL

        public void setUpdateURL​(java.lang.String updateURL)
        Sets the update base URL.
        Parameters:
        updateURL - the url

      • getInfo

        public UpdateInfo getInfo​(ClientInfo clientInfo)
                   throws java.rmi.RemoteException
        Description copied from interface: UpdateService
        Gets the info how to download and install the update.
        Specified by:
        getInfo in interface UpdateService
        Parameters:
        clientInfo - the client application info
        Returns:
        the update info
        Throws:
        java.rmi.RemoteException - if download info cannot be determined

      • createServerVersion

        protected abstract java.lang.String createServerVersion()
        Gets the server version.
        Returns:
        the version

      • createUpdateExecutor

        protected abstract java.lang.String createUpdateExecutor​(ClientInfo clientInfo)
        Creates the name of the update executor.
        Parameters:
        clientInfo - the client info
        Returns:
        the executor name

      • createZipURL

        protected abstract java.net.URL createZipURL​(ClientInfo clientInfo)
        Creates the URL for the ZIP file.
        Parameters:
        clientInfo - the client info
        Returns:
        the URL

      • createShaURL

        protected abstract java.net.URL createShaURL​(ClientInfo clientInfo)
        Creates the URL for the SHA256 file.
        Parameters:
        clientInfo - the client info
        Returns:
        the URL

      • determineShaHash

        protected java.lang.String determineShaHash​(java.net.URL shaURL)
                                     throws java.io.IOException
        Determines the SHA hash.
        Parameters:
        shaURL - the SHA file URL
        Returns:
        the hash value
        Throws:
        java.io.IOException - if failed

      • determineDownloadSize

        protected long determineDownloadSize​(java.net.URL zipURL)
                              throws java.io.IOException
        Determines the download size of the ZIP file.
        Parameters:
        zipURL - the download URL
        Returns:
        the size in bytes, -1 if content-length in header response
        Throws:
        java.io.IOException - if failed