/**
* 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.adl.binding;
import static java.lang.Math.min;
import static org.ow2.mind.adl.ast.ASTHelper.getComponent;
import static org.ow2.mind.adl.ast.ASTHelper.getInterface;
import static org.ow2.mind.adl.ast.ASTHelper.getNumberOfElement;
import static org.ow2.mind.adl.ast.ASTHelper.getResolvedComponentDefinition;
import java.util.Map;
import org.objectweb.fractal.adl.ADLException;
import org.objectweb.fractal.adl.Definition;
import org.objectweb.fractal.adl.Node;
import org.objectweb.fractal.adl.NodeUtil;
import org.objectweb.fractal.adl.bindings.BindingErrors;
import org.objectweb.fractal.adl.error.NodeErrorLocator;
import org.objectweb.fractal.adl.interfaces.Interface;
import org.objectweb.fractal.adl.types.TypeInterfaceUtil;
import org.ow2.mind.adl.AbstractNormalizerLoader;
import org.ow2.mind.adl.ast.Binding;
import org.ow2.mind.adl.ast.BindingContainer;
import org.ow2.mind.adl.ast.Component;
public class BindingNormalizerLoader extends AbstractNormalizerLoader<Binding> {
// ---------------------------------------------------------------------------
// Implementation of the Loader interface
// ---------------------------------------------------------------------------
@Override
public Definition load(final String name, final Map<Object, Object> context)
throws ADLException {
final Definition d = clientLoader.load(name, context);
expandMultiBindings(d);
normalize(d);
return d;
}
protected void expandMultiBindings(final Definition d) throws ADLException {
final Binding[] bindings = getSubNodes(d);
if (bindings == null) return;
for (final Binding binding : bindings) {
if (binding.getFromInterfaceNumber() != null
&& binding.getToInterfaceNumber() != null) continue;
final Interface fromItf = getBindingInterface(d,
binding.getFromComponent(), binding.getFromInterface());
if (fromItf == null) continue;
final Interface toItf = getBindingInterface(d, binding.getToComponent(),
binding.getToInterface());
if (toItf == null) continue;
final boolean multiFrom = TypeInterfaceUtil.isCollection(fromItf)
&& binding.getFromInterfaceNumber() == null;
final boolean multiTo = TypeInterfaceUtil.isCollection(toItf)
&& binding.getToInterfaceNumber() == null;
if (multiFrom && multiTo) {
final int elem = min(getNumberOfElement(fromItf),
getNumberOfElement(toItf));
for (int i = 0; i < elem; i++) {
final Binding b = NodeUtil.cloneNode(binding);
b.setFromInterfaceNumber(Integer.toString(i));
b.setToInterfaceNumber(Integer.toString(i));
((BindingContainer) d).addBinding(b);
}
((BindingContainer) d).removeBinding(binding);
}
}
}
protected Interface getBindingInterface(final Definition d,
final String compName, final String itfName) throws ADLException {
final Definition compDef;
if (Binding.THIS_COMPONENT.equals(compName)) {
compDef = d;
} else {
final Component comp = getComponent(d, compName);
if (comp == null) return null;
compDef = getResolvedComponentDefinition(comp, null, null);
assert compDef != null;
}
return getInterface(compDef, itfName);
}
// ---------------------------------------------------------------------------
// Implementation of the abstract methods of AbstractNormalizerLoader
// ---------------------------------------------------------------------------
@Override
protected Binding[] getSubNodes(final Node node) {
if (node instanceof BindingContainer)
return ((BindingContainer) node).getBindings();
return null;
}
@Override
protected Object getId(final Binding node) {
return node.getFromComponent() + "." + node.getFromInterface() + "."
+ node.getFromInterfaceNumber();
}
@Override
protected void handleNameClash(final Binding previousDeclaration,
final Binding node) throws ADLException {
final String itfName;
if (node.getFromInterfaceNumber() == null)
itfName = node.getFromComponent() + "." + node.getFromInterface();
else
itfName = node.getFromComponent() + "." + node.getFromInterface() + "["
+ node.getFromInterfaceNumber() + "]";
errorManagerItf.logError(BindingErrors.DUPLICATED_BINDING, node, itfName,
new NodeErrorLocator(previousDeclaration));
}
@Override
protected void removeSubNode(final Node node, final Binding subNode) {
((BindingContainer) node).removeBinding(subNode);
}
}