/**
* 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.Integer.parseInt;
import static org.objectweb.fractal.adl.types.TypeInterfaceUtil.isClient;
import static org.objectweb.fractal.adl.types.TypeInterfaceUtil.isCollection;
import static org.objectweb.fractal.adl.types.TypeInterfaceUtil.isMandatory;
import static org.ow2.mind.adl.ast.ASTHelper.getNumberOfElement;
import static org.ow2.mind.adl.ast.ASTHelper.getResolvedComponentDefinition;
import static org.ow2.mind.adl.ast.Binding.THIS_COMPONENT;
import java.util.Map;
import org.objectweb.fractal.adl.ADLException;
import org.objectweb.fractal.adl.Definition;
import org.objectweb.fractal.adl.Loader;
import org.objectweb.fractal.adl.bindings.BindingErrors;
import org.objectweb.fractal.adl.interfaces.Interface;
import org.objectweb.fractal.adl.interfaces.InterfaceContainer;
import org.ow2.mind.adl.AbstractDelegatingLoader;
import org.ow2.mind.adl.ast.ASTHelper;
import org.ow2.mind.adl.ast.Binding;
import org.ow2.mind.adl.ast.BindingContainer;
import org.ow2.mind.adl.ast.Component;
import org.ow2.mind.adl.ast.ComponentContainer;
import org.ow2.mind.adl.membrane.ast.InternalInterfaceContainer;
import org.ow2.mind.error.ErrorManager;
import com.google.inject.Inject;
public class UnboundInterfaceCheckerLoader extends AbstractDelegatingLoader {
@Inject
protected ErrorManager errorManagerItf;
@Inject
protected Loader recursiveLoaderItf;
// ---------------------------------------------------------------------------
// Implementation of the Loader interface
// ---------------------------------------------------------------------------
public Definition load(final String name, final Map<Object, Object> context)
throws ADLException {
final Definition d = clientLoader.load(name, context);
if (d instanceof ComponentContainer) {
checkUnboundInterfaces((ComponentContainer) d, context);
}
return d;
}
protected void checkUnboundInterfaces(final ComponentContainer container,
final Map<Object, Object> context) throws ADLException {
final Binding[] bindings = (container instanceof BindingContainer)
? ((BindingContainer) container).getBindings()
: new Binding[0];
// first check internal client interfaces
if (container instanceof InternalInterfaceContainer) {
for (final Interface itf : ((InternalInterfaceContainer) container)
.getInternalInterfaces()) {
if (isClient(itf) && isMandatory(itf)) {
if (findBinding(bindings, THIS_COMPONENT, itf) == null)
errorManagerItf.logError(
BindingErrors.UNBOUND_COMPOSITE_SERVER_INTERFACE, container,
itf.getName(), ((Definition) container).getName());
}
}
}
// then check client interfaces of sub components
for (final Component subComponent : container.getComponents()) {
final Definition subCompDef = getResolvedComponentDefinition(
subComponent, recursiveLoaderItf, context);
assert subCompDef != null;
if (ASTHelper.isUnresolvedDefinitionNode(subCompDef)) continue;
if (subCompDef instanceof InterfaceContainer) {
for (final Interface itf : ((InterfaceContainer) subCompDef)
.getInterfaces()) {
if (isClient(itf) && isMandatory(itf)) {
if (findBinding(bindings, subComponent.getName(), itf) == null)
errorManagerItf.logError(BindingErrors.UNBOUND_CLIENT_INTERFACE,
subComponent, itf.getName(), subComponent.getName());
}
}
}
}
}
protected Binding findBinding(final Binding[] bindings,
final String componentName, final Interface itf) {
if (isCollection(itf)) {
final int noe = getNumberOfElement(itf);
if (noe == -1) {
return findBinding(bindings, componentName, itf.getName(), -1);
} else {
// the interface is a collection interface
// first checks if a global binding is defined on the interface
Binding b = findBinding(bindings, componentName, itf.getName(), -1);
if (b != null) {
// there is a global binding for the defined interface
return b;
}
// checks that every interfaces of the collection are bound
assert noe > 0;
for (int i = 0; i < noe; i++) {
b = findBinding(bindings, componentName, itf.getName(), i);
if (b == null) return null;
}
return b;
}
} else {
return findBinding(bindings, componentName, itf.getName(), -1);
}
}
protected Binding findBinding(final Binding[] bindings,
final String componentName, final String itfName, final int index) {
for (final Binding binding : bindings) {
if (binding.getFromComponent().equals(componentName)
&& binding.getFromInterface().equals(itfName)) {
if (index == -1) {
return binding;
}
if (binding.getFromInterfaceNumber() != null) {
final int fromItfNum = parseInt(binding.getFromInterfaceNumber());
if (fromItfNum == index) return binding;
}
}
}
return null;
}
}