com.nokia.tools.media.utils.MediaPreferenceInitializer.java Source code

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Here is the source code for com.nokia.tools.media.utils.MediaPreferenceInitializer.java

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/*
* Copyright (c) 2006-2010 Nokia Corporation and/or its subsidiary(-ies). 
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of "Eclipse Public License v1.0"
* which accompanies this distribution, and is available
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
*
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description:
*
*/

package com.nokia.tools.media.utils;

import java.io.File;
import java.lang.reflect.Field;

import org.eclipse.core.runtime.preferences.AbstractPreferenceInitializer;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.swt.program.Program;

public class MediaPreferenceInitializer extends AbstractPreferenceInitializer {

    public MediaPreferenceInitializer() {
        super();
    }

    @Override
    public void initializeDefaultPreferences() {
        IPreferenceStore prefs = UtilsPlugin.getDefault().getPreferenceStore();
        prefs.setDefault(IMediaConstants.PREF_BITMAP_EDITOR,
                getExternalEditorCommandForExtension(IFileConstants.FILE_EXT_BMP));
        prefs.setDefault(IMediaConstants.PREF_VECTOR_EDITOR,
                getExternalEditorCommandForExtension(IFileConstants.FILE_EXT_SVG));
        prefs.setDefault(IMediaConstants.PREF_SOUND_EDITOR, getExternalEditorCommandForExtension("wav"));

        prefs.setDefault(IMediaConstants.PREF_VIDEO_PLAYER, getExternalEditorCommandForExtension("avi"));
        prefs.setDefault(IMediaConstants.PREF_AUDIO_PLAYER, getExternalEditorCommandForExtension("mp3"));
    }

    public static String getExternalEditorCommandForExtension(String extension) {
        Program p = Program.findProgram(extension);
        if (null == p)
            return "";
        Class c = p.getClass();
        try {
            Field f = c.getDeclaredField("command");
            f.setAccessible(true);
            String command = (String) f.get(p);
            command = command.substring(0,
                    (command.indexOf("%1") == -1) ? command.length() : command.indexOf("%1"));
            command = command.replace("\"", "").trim();
            if (new File(command).exists())
                return command;
        } catch (NoSuchFieldException e) {
        } catch (SecurityException e) {
        } catch (IllegalAccessException e) {
        }
        return "";
    }
}