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package uk.org.ury.library.viewer;
import java.lang.reflect.InvocationTargetException;
import java.util.ArrayList;
import java.util.List;
import javax.swing.SwingUtilities;
import uk.org.ury.config.ConfigReader;
import uk.org.ury.database.DatabaseDriver;
import uk.org.ury.database.UserClass;
import uk.org.ury.database.exceptions.MissingCredentialsException;
import uk.org.ury.database.exceptions.QueryFailureException;
import uk.org.ury.frontend.AbstractFrontendModule;
import uk.org.ury.frontend.FrontendError;
import uk.org.ury.frontend.FrontendFrame;
import uk.org.ury.frontend.FrontendMaster;
import uk.org.ury.frontend.FrontendModulePanel;
import uk.org.ury.library.LibraryItem;
import uk.org.ury.library.LibraryUtils;
import uk.org.ury.library.exceptions.EmptySearchException;
public class LibraryViewer extends AbstractFrontendModule
{
/**
*
*/
private static final long serialVersionUID = -2782366476480563739L;
private DatabaseDriver dd;
private List<LibraryItem> libraryList;
private LibraryViewerPanel panel;
private FrontendFrame frame;
private ConfigReader config;
/**
* Construct a new LibraryViewer as a frontend object.
*/
public
LibraryViewer ()
{
try
{
config = new ConfigReader ("res/conf.xml");
}
catch (MissingCredentialsException e)
{
System.out.println(e);
}
frame = null;
libraryList = new ArrayList<LibraryItem> ();
panel = null;
}
/**
* Initialise the library viewer frontend as an applet.
*/
public void
init ()
{
frame = null;
libraryList = new ArrayList<LibraryItem> ();
panel = null;
try
{
SwingUtilities.invokeAndWait (new Runnable ()
{
public void
run ()
{
panel.setOpaque (true);
setContentPane (panel);
runFrontend (null);
}
});
}
catch (InterruptedException e)
{
// TODO Auto-generated catch block
e.printStackTrace ();
}
catch (InvocationTargetException e)
{
// TODO Auto-generated catch block
e.printStackTrace ();
}
}
/**
* Run the library viewer frontend as an applet.
*/
public void
start ()
{
frame = null;
panel = new LibraryViewerPanel (this, null);
add (panel);
}
/**
* Run the library viewer frontend.
*/
public FrontendModulePanel
runFrontend (FrontendMaster master)
{
dd = null;
try
{
dd = new DatabaseDriver (config, UserClass.READ_ONLY);
}
catch (MissingCredentialsException e)
{
// TODO: Privilege de-escalation
FrontendError.reportFatal (e.getMessage (), frame);
}
catch (Exception f)
{
FrontendError.reportFatal (f.getMessage (), frame);
}
panel = new LibraryViewerPanel (this, master);
return panel;
}
/**
* Do a library search.
*
* This will update the library list to reflect the results of the
* search.
*
* @param search The string fragment to use in searches.
* Cannot be empty or null.
*
* @throws EmptySearchException if the search string is
* empty or null (from LibraryUtils.search).
*/
public void
doSearch (String search) throws EmptySearchException
{
try
{
libraryList = LibraryUtils.search (dd, search);
}
catch (QueryFailureException e)
{
FrontendError.reportFatal (e.getMessage (), frame);
}
}
/**
* @return the current library list.
*/
public List<LibraryItem>
getLibraryList ()
{
return libraryList;
}
}
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