/*******************************************************************************

  * Copyright (c) 2008 Ketan Padegaonkar and others.

  * All rights reserved. This program and the accompanying materials

  * are made available under the terms of the Eclipse Public License v1.0

  * which accompanies this distribution, and is available at

  * http://www.eclipse.org/legal/epl-v10.html

  *

  * Contributors:

  *     Ketan Padegaonkar - initial API and implementation

  *     Hans Schwaebli - http://swtbot.org/bugzilla/show_bug.cgi?id=112

  *******************************************************************************/

 package org.eclipse.swtbot.swt.finder.utils;

 import java.util.ArrayList;

 import java.util.Iterator;

 import java.util.List;

 import org.eclipse.swt.SWT;

 /**

  * Translates from strings to one of the constants in SWT#IMAGE_*

  *

  * @author Ketan Padegaonkar <KetanPadegaonkar [at] gmail [dot] com>

  * @version $Id$

  * @since 1.3

  */

 public class ImageFormatConverter {

         private List<ImageType>        imageTypes        = new ArrayList<ImageType>();

         /**

          * The default constructor.

          */

         public ImageFormatConverter() {

                 this.imageTypes.add(new ImageType("BMP", SWT.IMAGE_BMP)); //$NON-NLS-1$

                 this.imageTypes.add(new ImageType("GIF", SWT.IMAGE_GIF)); //$NON-NLS-1$

                 this.imageTypes.add(new ImageType("ICO", SWT.IMAGE_ICO)); //$NON-NLS-1$

                 this.imageTypes.add(new ImageType("JPEG", SWT.IMAGE_JPEG)); //$NON-NLS-1$

                 this.imageTypes.add(new ImageType("JPG", SWT.IMAGE_JPEG)); //$NON-NLS-1$

                 this.imageTypes.add(new ImageType("PNG", SWT.IMAGE_PNG)); //$NON-NLS-1$

                 this.imageTypes.add(new ImageType("TIFF", SWT.IMAGE_TIFF)); //$NON-NLS-1$

         }

         /**

          * @param extension the image format

          * @return one of the constants defined in SWT#IMAGE*

          * @throws IllegalArgumentException if the type could not be resolved

          */

         public int imageTypeOf(String extension) {

                 return typeFor(extension).type;

         }

         private ImageType typeFor(String format) {

                 for (Iterator<ImageType> iterator = imageTypes.iterator(); iterator.hasNext();) {

                         ImageType type = iterator.next();

                         if (type.name.equalsIgnoreCase(format))

                                 return type;

                 }

                 throw new IllegalArgumentException("Did not understand format: " + format); //$NON-NLS-1$

         }

         /**

          * Mapping from strings to constants in SWT#IMAGE_*

          *

          * @author Ketan Padegaonkar <KetanPadegaonkar [at] gmail [dot] com>

          * @version $Id$

          */

         protected class ImageType {

                 /** The name of the image type */

                 public final String        name;

                 /** The type of the image, one of the constants in SWT.IMAGE_ */

                 public final int        type;

                 /**

                  * @param name the name of the image.

                  * @param type the type of the image.

                  */

                 public ImageType(String name, int type) {

                         this.name = name;

                         this.type = type;

                 }

         }

 }