/**
* 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 <http://www.gnu.org/licenses/>.
*
* Contact: mind@ow2.org
*
* Authors: Matthieu Leclercq
* Contributors:
*/
package org.ow2.mind.idl;
import static org.objectweb.fractal.adl.NodeUtil.cloneGraph;
import java.util.Map;
import org.objectweb.fractal.adl.ADLException;
import org.ow2.mind.idl.IDLLoader.AbstractDelegatingIDLLoader;
import org.ow2.mind.idl.ast.IDL;
import org.ow2.mind.idl.ast.IDLASTHelper;
import org.ow2.mind.idl.ast.InterfaceDefinition;
import org.ow2.mind.idl.ast.Method;
import com.google.inject.Inject;
public class ExtendsInterfaceLoader extends AbstractDelegatingIDLLoader {
@Inject
protected InterfaceReferenceResolver interfaceReferenceResolverItf;
// ---------------------------------------------------------------------------
// Implementation of the IDLLoader interface
// ---------------------------------------------------------------------------
public IDL load(final String name, final Map<Object, Object> context)
throws ADLException {
final IDL idl = clientIDLLoaderItf.load(name, context);
if (idl instanceof InterfaceDefinition) {
final InterfaceDefinition itf = (InterfaceDefinition) idl;
if (itf.getExtends() != null) {
final InterfaceDefinition extendedItf = interfaceReferenceResolverItf
.resolve(itf.getExtends(), itf, context);
if (!IDLASTHelper.isUnresolvedInterfaceDefinitionNode(extendedItf)) {
mergeInterface(itf, extendedItf);
ExtendedInterfaceDecorationHelper.addExtendedInterface(itf,
extendedItf);
}
}
}
return idl;
}
// ---------------------------------------------------------------------------
// Utility method
// ---------------------------------------------------------------------------
protected void mergeInterface(final InterfaceDefinition itf,
final InterfaceDefinition superItf) {
// remove method from itf
final Method[] meths = itf.getMethods();
for (final Method method : meths) {
itf.removeMethod(method);
}
// add clone of inherited methods
for (final Method method : superItf.getMethods()) {
itf.addMethod(cloneGraph(method));
}
// re-add methods from itf. (this ensure that methods defined in "itf" are
// after methods defined in "superItf"
for (final Method method : meths) {
itf.addMethod(method);
}
}
}