插件工程的图片管理

/**
 * The activator class controls the plug-in life cycle
 */
public class IntegrationPlugin extends AbstractUIPlugin
{
    
    /**
     * The plug-in ID
     */
    public static final String PLUGIN_ID = "com.xxxxxxxxxxxxxxxxxxxx.integration"; //$NON-NLS-1$
    
    // The shared instance
    private static IntegrationPlugin plugin;
    
    /*
     * (non-Javadoc)
     * @see org.eclipse.ui.plugin.AbstractUIPlugin#start(org.osgi.framework.BundleContext)
     */
    public void start(BundleContext context) throws Exception
    {
        super.start(context);
        plugin = this;
        
    }
    
    /*
     * (non-Javadoc)
     * @see org.eclipse.ui.plugin.AbstractUIPlugin#stop(org.osgi.framework.BundleContext)
     */
    public void stop(BundleContext context) throws Exception
    {
        plugin = null;
        super.stop(context);
    }
    
    /**
     * Returns the shared instance
     *
     * @return the shared instance
     */
    public static IntegrationPlugin getPlugin()
    {
        return plugin;
    }
    
    /**
     * Return the image of the path
     * @param path
     * @return Image 
     */
    public static Image getImage(String path)
    {
        if (null == path)
        {
            return null;
        }
        if (null == getDefault().getImageRegistry().get(path))
        {
            getDefault().getImageRegistry().put(path,
                    imageDescriptorFromPlugin(PLUGIN_ID, path));
        }
        return getDefault().getImageRegistry().get(path);
    }
    
    /**
     * get the plug-in id
     * @return String the Plug-in ID
     */
    public String getPluginID()
    {
        return getDefault().getBundle().getSymbolicName();
    }
    
}