/*

  * Copyright 2007 - 2007 JEuclid, http://jeuclid.sf.net

  * 

  * Licensed under the Apache License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  *

  *      http://www.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  * See the License for the specific language governing permissions and

  * limitations under the License.

  */

 /* $Id: FreeHepInternalDetector.java,v 88b901bf20fb 2008/06/07 14:12:27 maxberger $ */

 package net.sourceforge.jeuclid.converter;

 import java.lang.reflect.InvocationTargetException;

 import java.util.HashMap;

 import java.util.Map;

 import net.sourceforge.jeuclid.elements.support.ClassLoaderSupport;

 import org.apache.commons.logging.Log;

 import org.apache.commons.logging.LogFactory;

 import org.freehep.util.export.ExportFileType;

 /**

  * actual detector for FreeHEP graphics formats. Depends on the presence of

  * FreeHEP, hence the "internal".

  * 

  * @version $Revision: 88b901bf20fb $

  */

 public final class FreeHepInternalDetector {

     /**

      * Logger for this class

      */

     private static final Log LOGGER = LogFactory

             .getLog(FreeHepInternalDetector.class);

     private static final Map<String, String> PLUGINS_CLASSES = new HashMap<String, String>();

     private FreeHepInternalDetector() {

         // Empty on purpose

     }

     /**

      * Actual detection and registration routine.

      * 

      * @param registry

      *            ConverterRegistry to use

      */

     public static void actuallyDetectConversionPlugins(

             final ConverterRegistry registry) {

         for (final Map.Entry<String, String> e : FreeHepInternalDetector.PLUGINS_CLASSES

                 .entrySet()) {

             try {

                 final Class<?> infoClass = ClassLoaderSupport.getInstance()

                         .loadClass(e.getKey());

                 final ExportFileType fileType = (ExportFileType) infoClass

                         .getConstructor().newInstance();

                 final Class<?> graphicsClass = ClassLoaderSupport.getInstance()

                         .loadClass(e.getValue());

                 FreeHepInternalDetector.actuallyRegister(registry, fileType,

                         graphicsClass);

             } catch (final NoSuchMethodException ex) {

                 FreeHepInternalDetector.LOGGER.debug(ex);

             } catch (final ClassNotFoundException ex) {

                 FreeHepInternalDetector.LOGGER.debug(ex);

             } catch (final IllegalArgumentException ex) {

                 FreeHepInternalDetector.LOGGER.debug(ex);

             } catch (final SecurityException ex) {

                 FreeHepInternalDetector.LOGGER.debug(ex);

             } catch (final InstantiationException ex) {

                 FreeHepInternalDetector.LOGGER.debug(ex);

             } catch (final IllegalAccessException ex) {

                 FreeHepInternalDetector.LOGGER.debug(ex);

             } catch (final InvocationTargetException ex) {

                 FreeHepInternalDetector.LOGGER.debug(ex);

             }

         }

     }

     private static void actuallyRegister(final ConverterRegistry registry,

             final ExportFileType fileType, final Class<?> graphicsClass)

             throws NoSuchMethodException {

         final ConverterPlugin freeHepConverter = new FreeHepConverter(

                 graphicsClass);

         for (final String mimeType : fileType.getMIMETypes()) {

             for (final String suffix : fileType.getExtensions()) {

                 registry.registerMimeTypeAndSuffix(mimeType, suffix, false);

             }

             registry.registerConverter(mimeType, freeHepConverter, false);

         }

     }

     static {

         FreeHepInternalDetector.PLUGINS_CLASSES.put(

                 "org.freehep.graphicsio.emf.EMFExportFileType",

                 "org.freehep.graphicsio.emf.EMFGraphics2D");

         FreeHepInternalDetector.PLUGINS_CLASSES.put(

                 "org.freehep.graphicsio.gif.GIFExportFileType",

                 "org.freehep.graphicsio.gif.GIFGraphics2D");

         FreeHepInternalDetector.PLUGINS_CLASSES.put(

                 "org.freehep.graphicsio.pdf.PDFExportFileType",

                 "org.freehep.graphicsio.pdf.PDFGraphics2D");

         FreeHepInternalDetector.PLUGINS_CLASSES.put(

                 "org.freehep.graphicsio.ps.PSExportFileType",

                 "org.freehep.graphicsio.ps.PSGraphics2D");

         FreeHepInternalDetector.PLUGINS_CLASSES.put(

                 "org.freehep.graphicsio.svg.SVGExportFileType",

                 "org.freehep.graphicsio.svg.SVGGraphics2D");

         FreeHepInternalDetector.PLUGINS_CLASSES.put(

                 "org.freehep.graphicsio.swf.SWFExportFileType",

                 "org.freehep.graphicsio.swf.SWFGraphics2D");

     }

 }