How to use

getImageFile

method

in

org.pentaho.di.core.plugins.PluginInterface

 /**
  * @param fragment A plugin interface to merge with
  */
 default void merge( PluginInterface fragment ) {
  if ( fragment != null ) {
   Optional.ofNullable( fragment.getClassMap() ).ifPresent( this.getClassMap()::putAll );
   Optional.ofNullable( fragment.getImageFile() ).ifPresent( this::setImageFile );
   Optional.ofNullable( fragment.getLibraries() ).ifPresent( this.getLibraries()::addAll );
   Optional.ofNullable( fragment.getErrorHelpFile() ).ifPresent( this::setErrorHelpFile );
   Optional.ofNullable( fragment.getDocumentationUrl() ).ifPresent( this::setDocumentationUrl );
   Optional.ofNullable( fragment.getCasesUrl() ).ifPresent( this::setCasesUrl );
   Optional.ofNullable( fragment.getForumUrl() ).ifPresent( this::setForumUrl );
   Optional.ofNullable( fragment.getClassLoaderGroup() ).ifPresent( this::setClassLoaderGroup );
  }
 }
}

private SwingUniversalImage getUniversalImageIcon( PluginInterface plugin ) throws KettleException {
 try {
  PluginRegistry registry = PluginRegistry.getInstance();
  String filename = plugin.getImageFile();
   throw new KettleException( "Unable to find file: " + plugin.getImageFile() + " for plugin: " + plugin );
 } catch ( Throwable e ) {
  throw new KettleException( "Unable to load image from file : '"
   + plugin.getImageFile() + "' for plugin: " + plugin, e );

private Map<String, SwingUniversalImage> loadEntryImages() {
 Map<String, SwingUniversalImage> map = new HashMap<>();
 for ( PluginInterface plugin : PluginRegistry.getInstance().getPlugins( JobEntryPluginType.class ) ) {
  try {
   if ( JobMeta.STRING_SPECIAL.equals( plugin.getIds()[0] ) ) {
    continue;
   }
   SwingUniversalImage image = getUniversalImageIcon( plugin );
   if ( image == null ) {
    throw new KettleException( "Unable to find image file: "
     + plugin.getImageFile() + " for plugin: " + plugin );
   }
   map.put( plugin.getIds()[0], image );
  } catch ( Exception e ) {
   log.logError( "Unable to load job entry icon image for plugin: "
    + plugin.getName() + " (id=" + plugin.getIds()[0] + ")", e );
  }
 }
 return map;
}

Image small_image = null;
String filename = plugin.getImageFile();
try {
 ClassLoader classLoader = registry.getClassLoader( plugin );

Image small_image = null;
String filename = step.getImageFile();
try {
 ClassLoader classLoader = registry.getClassLoader( step );

/**
 * @param pluginType the type of plugin to get information for
 * @return a row buffer containing plugin information for the given plugin type
 * @throws KettlePluginException
 */
public RowBuffer getPluginInformation( Class<? extends PluginTypeInterface> pluginType )
  throws KettlePluginException {
 RowBuffer rowBuffer = new RowBuffer( getPluginInformationRowMeta() );
 for ( PluginInterface plugin : getPlugins( pluginType ) ) {
  Object[] row = new Object[getPluginInformationRowMeta().size()];
  int rowIndex = 0;
  row[rowIndex++] = getPluginType( plugin.getPluginType() ).getName();
  row[rowIndex++] = plugin.getIds()[0];
  row[rowIndex++] = plugin.getName();
  row[rowIndex++] = Const.NVL( plugin.getDescription(), "" );
  row[rowIndex++] = Utils.isEmpty( plugin.getLibraries() ) ? "" : plugin.getLibraries().toString();
  row[rowIndex++] = Const.NVL( plugin.getImageFile(), "" );
  row[rowIndex++] = plugin.getClassMap().values().toString();
  row[rowIndex] = Const.NVL( plugin.getCategory(), "" );
  rowBuffer.getBuffer().add( row );
 }
 return rowBuffer;
}