Class JaxoIO

java.lang.Object
net.sf.jaxodraw.io.JaxoIO
public final class JaxoIO extends Object
The class responsible for opening/saving JaxoGraphs. Also contains utility methods for file name management etc.
Since:
2.0

  • Constructor Details

    • JaxoIO

      public JaxoIO(Component parentc)
      Constructor.
      Parameters:
      parentc - The parent component.

  • Method Details

    • toURL

      public static URL toURL(File f) throws IOException
      Convert 'f' to URL, and MalformedURLExceptions to IOExceptions.
      Parameters:
      f - The file to convert.
      Returns:
      The URL of the file.
      Throws:
      IOException - If the file cannot be converted.

    • absoluteName

      public static String absoluteName(String fileName)
      Returns the absolute path of the given file name.
      Parameters:
      fileName - The file name.
      Returns:
      The absolute path.

    • currentDirectoryString

      public static String currentDirectoryString()
      Returns the current directory as a string.
      Returns:
      The current directory.

    • directoryString

      public static String directoryString(String fileName)
      Returns the absolute path of he directory that contains the fgiven file.
      Parameters:
      fileName - The file name.
      Returns:
      The absolute path of the directory.

    • shortName

      public static String shortName(String fileName)
      Returns the short name if the given file.
      Parameters:
      fileName - The file name.
      Returns:
      The short file name.

    • extension

      public static String extension(String fileName)
      Extension: part after the last '.' that does not occur at the beginning, or "" if there is none. Always: f.equals(baseName(f) + "." + extension(f))
      Parameters:
      fileName - The file name.
      Returns:
      The file extension.

    • baseName

      public static String baseName(String fileName)
      Basename: part before the last '.' that does not occur at the beginning, or the fileName itself if there is none.
      Parameters:
      fileName - The file name.
      Returns:
      The basename.

    • withExtension

      public static String withExtension(String name, String extension)
      fileName with "." + extension added unless it is already at the end or the fileName is empty.
      Parameters:
      name - The file name.
      extension - The extension to add.
      Returns:
      The full file name.

    • save

      public void save(JaxoGraph graph, String title, String fileName)
      Saves the specified JaxoGraph: if the current JaxoGraph has no save file associated with it, asks for a save file name. Othrewise saves the graph to the default file.
      Parameters:
      graph - The graph to be saved.
      title - title of graph (e.g. in tab)
      fileName - suggested file name (if the graph does not have one)

    • saveAs

      public void saveAs(JaxoGraph graph, String title, String fileName)
      Saves the specified JaxoGraph: asks for a save file.
      Parameters:
      graph - The graph to be saved.
      title - title of graph (e.g. in tab)
      fileName - suggested file name (if the graph does not have one)

    • shouldOverwrite

      public static boolean shouldOverwrite(Component parent, File f)
      Show a dialog if 'f' exists, asking the user whether 'f' should be overwritten and return the result. Otherwise, return true.
      Parameters:
      parent - parent component for the dialog.
      f - The file to test.
      Returns:
      True if the file should be overwritten.

    • shouldOverwrite

      public static boolean shouldOverwrite(Component parent, File f, String dTitle)
      Show a dialog if 'f' exists, asking the user whether 'f' should be overwritten and return the result. Otherwise, return true.
      Parameters:
      parent - parent component for the dialog.
      f - The file to test.
      dTitle - of the question dialog, may be 'null', then a default title will be used.
      Returns:
      True if the file should be overwritten.

    • open

      public JaxoGraph open()
      Opens a new JaxoGraph: asks for an open file.
      Returns:
      The new JaxoGraph or null if the file could not be opened.

    • open

      public JaxoGraph open(String name)
      Opens a new JaxoGraph from the specified file fileName.
      Parameters:
      name - An absolute path to the file to be opened.
      Returns:
      The new JaxoGraph or null if the file could not be opened.

    • open

      public JaxoGraph open(File f)
      Opens a new JaxoGraph from the specified file.
      Parameters:
      f - A file to be opened.
      Returns:
      The new JaxoGraph or null if the file could not be opened.

    • open

      public JaxoGraph open(File f, boolean guiWarnings)
      Opens a new JaxoGraph from the specified file.
      Parameters:
      f - A file to be opened.
      guiWarnings - set to false to suppress any graphical warning dialogs.
      Returns:
      The new JaxoGraph or null if the file could not be opened.