/**
* 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.membrane;
import static org.objectweb.fractal.adl.NodeUtil.castNodeError;
import static org.ow2.mind.adl.membrane.ControllerInterfaceDecorationHelper.setReferencedInterface;
import static org.ow2.mind.adl.membrane.ast.MembraneASTHelper.isInternalInterface;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;
import org.objectweb.fractal.adl.ADLException;
import org.objectweb.fractal.adl.Definition;
import org.objectweb.fractal.adl.interfaces.Interface;
import org.objectweb.fractal.adl.interfaces.InterfaceContainer;
import org.ow2.mind.adl.ADLErrors;
import org.ow2.mind.adl.AbstractDelegatingLoader;
import org.ow2.mind.adl.ast.ASTHelper;
import org.ow2.mind.adl.ast.ImplementationContainer;
import org.ow2.mind.adl.membrane.ast.Controller;
import org.ow2.mind.adl.membrane.ast.ControllerContainer;
import org.ow2.mind.adl.membrane.ast.ControllerInterface;
import org.ow2.mind.adl.membrane.ast.InternalInterfaceContainer;
import org.ow2.mind.error.ErrorManager;
import com.google.inject.Inject;
public class MembraneCheckerLoader extends AbstractDelegatingLoader {
@Inject
protected ErrorManager errorManagerItf;
// ---------------------------------------------------------------------------
// 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);
checkMembrane(d, context);
return d;
}
protected void checkMembrane(final Definition definition,
final Map<Object, Object> context) throws ADLException {
final InterfaceContainer itfContainer = castNodeError(definition,
InterfaceContainer.class);
final Interface[] externalItfArray = itfContainer.getInterfaces();
final Map<String, Interface> externalInterfaces = new HashMap<String, Interface>(
externalItfArray.length);
final Set<Interface> unusedExternalInterfaces = new HashSet<Interface>(
externalItfArray.length);
for (final Interface itf : externalItfArray) {
externalInterfaces.put(itf.getName(), itf);
unusedExternalInterfaces.add(itf);
}
final Map<String, Interface> internalInterfaces;
final Set<Interface> unusedInternalInterfaces;
if (definition instanceof InternalInterfaceContainer) {
final Interface[] internalItfArray = ((InternalInterfaceContainer) definition)
.getInternalInterfaces();
internalInterfaces = new HashMap<String, Interface>(
internalItfArray.length);
unusedInternalInterfaces = new HashSet<Interface>(internalItfArray.length);
for (final Interface itf : internalItfArray) {
internalInterfaces.put(itf.getName(), itf);
unusedInternalInterfaces.add(itf);
}
} else {
internalInterfaces = Collections.emptyMap();
unusedInternalInterfaces = Collections.emptySet();
}
if (definition instanceof ControllerContainer) {
for (final Controller controller : ((ControllerContainer) definition)
.getControllers()) {
for (final ControllerInterface ctrlItf : controller
.getControllerInterfaces()) {
Interface itf;
if (isInternalInterface(ctrlItf)) {
itf = internalInterfaces.get(ctrlItf.getName());
if (itf == null) {
errorManagerItf.logError(
ADLErrors.INVALID_CONTROLLER_INTERFACE_NO_SUCH_INTERFACE,
ctrlItf, ctrlItf.getName());
} else {
unusedInternalInterfaces.remove(itf);
}
} else {
itf = externalInterfaces.get(ctrlItf.getName());
if (itf == null) {
errorManagerItf.logError(
ADLErrors.INVALID_CONTROLLER_INTERFACE_NO_SUCH_INTERFACE,
ctrlItf, ctrlItf.getName());
} else {
unusedExternalInterfaces.remove(itf);
}
}
setReferencedInterface(ctrlItf, itf);
}
}
}
if (!unusedInternalInterfaces.isEmpty()) {
final Iterator<Interface> iter = unusedInternalInterfaces.iterator();
String itfNames = "\"" + iter.next().getName() + "\"";
while (iter.hasNext())
itfNames += ", \"" + iter.next().getName() + "\"";
errorManagerItf.logError(ADLErrors.INVALID_MEMBRANE_MISSING_CONTROLLER,
definition, itfNames);
}
if ((!unusedExternalInterfaces.isEmpty())
&& !ASTHelper.isType(definition)
&& !ASTHelper.isAbstract(definition)
&& (!(definition instanceof ImplementationContainer) || ((ImplementationContainer) definition)
.getSources().length == 0)) {
// some external interfaces are not implemented by membrane, and the
// component do not contains implementation.
final Iterator<Interface> iter = unusedExternalInterfaces.iterator();
String itfNames = "\"" + iter.next().getName() + "\"";
while (iter.hasNext())
itfNames += ", \"" + iter.next().getName() + "\"";
errorManagerItf.logError(
ADLErrors.INVALID_MEMBRANE_UNIMPLEMENTED_INTERFACE, definition,
itfNames);
}
final Interface compItf = externalInterfaces
.get(DefaultControllerInterfaceConstants.CI);
if (compItf != null && externalItfArray[0] != compItf) {
// the definition has a "component" controller interface that is not the
// first one in the list of externalArray interfaces.
for (final Interface itf : externalItfArray) {
itfContainer.removeInterface(itf);
}
itfContainer.addInterface(compItf);
for (final Interface itf : externalItfArray) {
if (itf != compItf) itfContainer.addInterface(itf);
}
}
}
}