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/**
 * Copyright (C) 2009 STMicroelectronics
 *
 * This file is part of "Mind Compiler" is free software: you can redistribute 
 * it and/or modify it under the terms of the GNU Lesser General Public License 
 * as published by the Free Software Foundation, either version 3 of the 
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT 
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
 * details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see .
 *
 * Contact: [email protected]
 *
 * Authors: Ali Erdem Ozcan
 * Contributors: 
 */

package org.objectweb.fractal.mind.st;

import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedHashMap;
import java.util.Set;

import org.antlr.stringtemplate.StringTemplate;

public class BoundInterfaceMap extends HashMap {

  /**
   * Generated serial ID
   */
  private static final long           serialVersionUID = -7974148690318566114L;

  final StringTemplateGroup           group;
  final String                        boundTo;
  final String                        signature;
  final StringTemplateComponentLoader pluginLoader;

  public BoundInterfaceMap(final StringTemplateGroup group,
      final String prefix, final String signature,
      final StringTemplateComponentLoader pluginLoader) {
    this.group = group;
    this.boundTo = prefix;
    this.signature = signature;
    this.pluginLoader = pluginLoader;

    StringTemplateGroup subgroup;
    // Always load considering the supoerGroup which is equal to our group in
    // order to support nested template maps with multiple hierarchies.
    subgroup = (StringTemplateGroup) pluginLoader.loadGroup(boundTo, group);

    if (!subgroup.implementsInterface(signature)) {
      // Throw exception
    }
    final Set templateNames = new HashSet(subgroup.getTemplateNames());

    for (final Object templateName : templateNames) {
      final String localTemplateName = "__" + boundTo.replace('.', '_') + "_"
          + ((String) templateName);
      this.put((String) templateName, localTemplateName);

      // Get and prepare the receiver template
      final StringTemplate receiverTemplate = subgroup
          .getTemplateDefinition((String) templateName);

      final StringTemplate skeletonTemplate = subgroup.defineTemplate(
          ((String) templateName) + "__Skeleton", receiverTemplate
              .getTemplate());
      for (final String mapName : subgroup.getMapsKeySet()) {
        skeletonTemplate.defineFormalArgument(mapName,
            new MapDelegateStringTemplate(subgroup.getMap(mapName)));
      }

      // Create a stub template
      final StringTemplate stubTemplate = group.defineTemplate(
          localTemplateName, "<__skeleton_template>");
      stubTemplate.setFormalArguments((LinkedHashMap) receiverTemplate
          .getFormalArguments());
      stubTemplate
          .defineFormalArgument("__skeleton_template", skeletonTemplate);

    }

  }

}