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Front-end components for the ADL language of the Mind programming model.
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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: Matthieu Leclercq
 * Contributors: 
 */

package org.objectweb.fractal.mind.adl.idl;

import static org.objectweb.fractal.mind.BindingControllerImplHelper.checkItfName;
import static org.objectweb.fractal.mind.BindingControllerImplHelper.listFcHelper;

import org.objectweb.fractal.api.NoSuchInterfaceException;
import org.objectweb.fractal.api.control.BindingController;
import org.objectweb.fractal.api.control.IllegalBindingException;
import org.objectweb.fractal.mind.adl.DefinitionReferenceResolver;

/**
 * An abstract delegating {@link DefinitionReferenceResolver} component.
 */
public abstract class AbstractInterfaceSignatureResolver
    implements
      InterfaceSignatureResolver,
      BindingController {

  // ---------------------------------------------------------------------------
  // Client interface
  // ---------------------------------------------------------------------------

  /** The name of the {@link #clientResolverItf} client interface. */
  public static final String  CLIENT_RESOLVER_ITF_NAME = "client-resolver";

  /** The client {@link InterfaceSignatureResolver} used by this component. */
  public InterfaceSignatureResolver clientResolverItf;

  // ---------------------------------------------------------------------------
  // Implementation of the BindingController interface
  // ---------------------------------------------------------------------------

  public String[] listFc() {
    return listFcHelper(CLIENT_RESOLVER_ITF_NAME);
  }

  public Object lookupFc(final String s) throws NoSuchInterfaceException {
    checkItfName(s);

    if (CLIENT_RESOLVER_ITF_NAME.equals(s)) {
      return clientResolverItf;
    } else {
      throw new NoSuchInterfaceException("No client interface named '" + s
          + "'");
    }
  }

  public void bindFc(final String s, final Object o)
      throws NoSuchInterfaceException, IllegalBindingException {
    checkItfName(s);

    if (CLIENT_RESOLVER_ITF_NAME.equals(s)) {
      clientResolverItf = (InterfaceSignatureResolver) o;
    } else {
      throw new NoSuchInterfaceException("No client interface named '" + s
          + "' for binding the interface");
    }
  }

  public void unbindFc(final String s) throws IllegalBindingException,
      NoSuchInterfaceException {
    checkItfName(s);

    if (CLIENT_RESOLVER_ITF_NAME.equals(s)) {
      clientResolverItf = null;
    } else {
      throw new NoSuchInterfaceException("No client interface named '" + s
          + "'");
    }
  }
}