package net.sourceforge.squirrel_sql.client.mainframe.action;
/*
* Copyright (C) 2002-2003 Colin Bell
* colbell@users.sourceforge.net
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
import java.io.File;
import java.io.IOException;
import java.net.URL;
import net.sourceforge.squirrel_sql.fw.util.BaseException;
import net.sourceforge.squirrel_sql.fw.util.ICommand;
import net.sourceforge.squirrel_sql.fw.util.StringManager;
import net.sourceforge.squirrel_sql.fw.util.StringManagerFactory;
import net.sourceforge.squirrel_sql.fw.util.log.ILogger;
import net.sourceforge.squirrel_sql.fw.util.log.LoggerController;
import net.sourceforge.squirrel_sql.client.IApplication;
import net.sourceforge.squirrel_sql.client.gui.FileViewerFactory;
import net.sourceforge.squirrel_sql.client.gui.HtmlViewerSheet;
/**
* This <CODE>ICommand</CODE> displays the Help window.
*
* @author <A HREF="mailto:colbell@users.sourceforge.net">Colin Bell</A>
*/
public class ViewFileCommand implements ICommand
{
/** Internationalized strings for this class. */
private static final StringManager s_stringMgr =
StringManagerFactory.getStringManager(ViewFileCommand.class);
/** Logger for this class. */
private static ILogger s_log =
LoggerController.createLogger(ViewFileCommand.class);
/** Application API. */
private IApplication _app;
private File _file;
/**
* Ctor.
*
* @param app Application API.
* @param file File to be displayed.
*
* @throws IllegalArgumentException
* Thrown if a <TT>null</TT> <TT>IApplication</TT>,
* or <TT>File</TT> passed.
*/
public ViewFileCommand(IApplication app, File file)
{
super();
if (app == null)
{
throw new IllegalArgumentException("Null IApplication passed");
}
if (file == null)
{
throw new IllegalArgumentException("Null File passed");
}
_app = app;
_file = file;
}
/**
* Display the Dialog
*/
public void execute() throws BaseException
{
try
{
URL url = _file.toURI().toURL();
FileViewerFactory factory = FileViewerFactory.getInstance();
HtmlViewerSheet viewer = factory.getViewer(_app.getMainFrame(), url);
viewer.setVisible(true);
viewer.toFront();
viewer.requestFocus();
}
catch (IOException ex)
{
final String msg = s_stringMgr.getString("ViewFileCommand.error.reading" + _file.getAbsolutePath());
s_log.error(msg, ex);
throw new BaseException(ex);
}
}
}