/**
* 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.imports;
import static org.ow2.mind.NameHelper.getPackageName;
import static org.ow2.mind.adl.imports.ast.ImportASTHelper.isOnDemandImport;
import static org.ow2.mind.adl.imports.ast.ImportASTHelper.setUsedImport;
import java.util.Map;
import org.objectweb.fractal.adl.ADLException;
import org.objectweb.fractal.adl.Definition;
import org.ow2.mind.adl.ADLLocator;
import org.ow2.mind.adl.DefinitionReferenceResolver;
import org.ow2.mind.adl.DefinitionReferenceResolver.AbstractDelegatingDefinitionReferenceResolver;
import org.ow2.mind.adl.ast.DefinitionReference;
import org.ow2.mind.adl.imports.ast.Import;
import org.ow2.mind.adl.imports.ast.ImportContainer;
import com.google.inject.Inject;
/**
* Delegating {@link DefinitionReferenceResolver} that uses {@link Import} nodes
* of the <code>encapsulatingDefinition</code> to complete the name contained in
* the definition reference to resolve.
*/
public class ImportDefinitionReferenceResolver
extends
AbstractDelegatingDefinitionReferenceResolver {
@Inject
protected ADLLocator adlLocatorItf;
// ---------------------------------------------------------------------------
// Implementation of the DefinitionReferenceResolver interface
// ---------------------------------------------------------------------------
public Definition resolve(final DefinitionReference reference,
final Definition encapsulatingDefinition,
final Map<Object, Object> context) throws ADLException {
reference.setName(resolveName(reference.getName(), encapsulatingDefinition,
context));
return clientResolverItf.resolve(reference, encapsulatingDefinition,
context);
}
protected String resolveName(final String name,
final Definition encapsilatingDefinition,
final Map<Object, Object> context) {
if (name.contains(".")) {
return name;
}
final Import[] imports = (encapsilatingDefinition instanceof ImportContainer)
? ((ImportContainer) encapsilatingDefinition).getImports()
: null;
if (imports != null) {
for (final Import imp : imports) {
if (isOnDemandImport(imp)) {
// on-demand import.
final String fullyQualifiedName = imp.getPackageName() + '.' + name;
if (adlLocatorItf.findBinaryADL(fullyQualifiedName, context) != null
|| adlLocatorItf.findSourceADL(fullyQualifiedName, context) != null) {
return fullyQualifiedName;
}
} else {
if (imp.getSimpleName().equals(name)) {
// import simple name matches
setUsedImport(imp);
return imp.getPackageName() + '.' + name;
}
}
}
}
if (encapsilatingDefinition != null) {
final String packageName = getPackageName(encapsilatingDefinition
.getName());
// try in current package.
if (packageName != null) {
final String fullyQualifiedName = packageName + '.' + name;
if (adlLocatorItf.findBinaryADL(fullyQualifiedName, context) != null
|| adlLocatorItf.findSourceADL(fullyQualifiedName, context) != null) {
return fullyQualifiedName;
}
}
}
// no import match, return the name as it is (i.e. assume that it refers to
// an ADL in the 'default package').
return name;
}
}