kaapo.filemanager
Class FileManager

java.lang.Object
  kaapo.filemanager.FileManager

public class FileManager
extends Object

Class that implements FileManager interface. Includes file system operations like saving, loading and exporting projects and is to be used by the GUI subsystem.

This class doesn't handle exceptions but throws them up to GUI to handle and inform user about.

Author:

paltamaa

See Also:

Project

Constructor Summary

FileManager()
Creates a new FileManager.

Method Summary

void	exportProject(Project project, DiagramWrapper visibleDiagram, ExportPlugin exportPlugin, File file, Component component) Exports a Project object to disk using the export plugin given as a parameter.
List<ExportPlugin>	getExportPlugins() Not implemented yet.
Project	readProject(File file) Reads a Project object from a file.
void	writeProject(Project project, File file) Writes a Project object to a file.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FileManager

public FileManager()

Creates a new FileManager.

Method Detail

writeProject

public void writeProject(Project project,
                         File file)
                  throws IOException

Writes a Project object to a file.

Parameters:

project - the project to save

file - the file to be opened for writing

Throws:

IOException - if an I/O error occurs

readProject

public Project readProject(File file)
                    throws IOException,
                           ClassNotFoundException,
                           ClassCastException

Reads a Project object from a file.

Parameters:

file - the file to be opened for reading

Returns:

project object from the file

Throws:

IOException - if an I/O error occurs

ClassNotFoundException - if some of the classes used in project is missing from system

ClassCastException - if the object contained in file is not a Project object

exportProject

public void exportProject(Project project,
                          DiagramWrapper visibleDiagram,
                          ExportPlugin exportPlugin,
                          File file,
                          Component component)
                   throws IOException,
                          ComponentNotSupportedException

Exports a Project object to disk using the export plugin given as a parameter.

Throws an IOException if writing fails. The ExportPlugin may choose to throw a ComponentNotSupportedException if it cannot handle a project component in the given project.

Parameters:

project - the project to export

visibleDiagram - the current visible diagram

exportPlugin - the export plugin used for exporting

file - the file to be opened for writing

component - the component to show message dialogs on

Throws:

IOException - if an I/O error occurs

ComponentNotSupportedException - ExportPlugin may throw this exception if it cannot handle some object included in the project

getExportPlugins

public List<ExportPlugin> getExportPlugins()

Not implemented yet. Should return a list of all the available export plugins installed on the system. Should dynamically read the classes from disk so that user can add them after compiling.

Returns:

null