javax.jnlp

## Interface ExtendedService

- All Known Implementing Classes:
    XExtendedService

      public interface ExtendedService

  This interface provides a way for the JNLP application to open specific files in the client's system. It asks permission from the user before opening any files.

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and Description
    --- | ---
    `FileContents` | `openFile(java.io.File file)` Open a file on the client' system and return its contents.
    `FileContents[]` | `openFiles(java.io.File[] files)` Opens multiple files on the user's sytem and returns their contents as a `FileContents` array

- - ### Method Detail

    - #### openFile

          FileContents openFile(java.io.File file)
                         throws java.io.IOException

      Open a file on the client' system and return its contents. The user must grant permission to the application for this to work.
      Parameters:
        `file` - the file to open
      Returns:
        the opened file as a `FileContents` object
      Throws:
        `java.io.IOException` - on any io problems

    - #### openFiles

          FileContents[] openFiles(java.io.File[] files)
                            throws java.io.IOException

      Opens multiple files on the user's sytem and returns their contents as a `FileContents` array
      Parameters:
        `files` - the files to open
      Returns:
        an array of FileContents objects
      Throws:
        `java.io.IOException` - on any io problems

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