/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.felix.sigil.eclipse.model.util;
import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List;
import org.apache.felix.sigil.common.model.ICapabilityModelElement;
import org.apache.felix.sigil.common.model.ICompoundModelElement;
import org.apache.felix.sigil.common.model.IModelElement;
import org.apache.felix.sigil.common.model.IModelWalker;
import org.apache.felix.sigil.common.model.IRequirementModelElement;
import org.apache.felix.sigil.common.model.osgi.IPackageExport;
import org.apache.felix.sigil.common.osgi.VersionRange;
import org.apache.felix.sigil.common.osgi.VersionRangeBoundingRule;
import org.apache.felix.sigil.eclipse.SigilCore;
import org.apache.felix.sigil.eclipse.model.project.ISigilProjectModel;
import org.eclipse.jface.preference.IPreferenceStore;
import org.osgi.framework.Version;
public class ModelHelper
{
public static List<IModelElement> findUsers(IModelElement e)
{
LinkedList<IModelElement> users = new LinkedList<IModelElement>();
findUsers(e, users);
return users;
}
private static void findUsers(IModelElement e, final LinkedList<IModelElement> users)
{
if (e instanceof ICapabilityModelElement)
{
final ICapabilityModelElement cap = (ICapabilityModelElement) e;
SigilCore.getGlobalRepositoryManager().visit(new IModelWalker()
{
public boolean visit(IModelElement element)
{
if (element instanceof IRequirementModelElement)
{
IRequirementModelElement req = (IRequirementModelElement) element;
if (req.accepts(cap))
{
users.add(req);
}
return false;
}
return true;
}
});
}
if (e instanceof ICompoundModelElement)
{
ICompoundModelElement c = (ICompoundModelElement) e;
IModelElement[] ch = c.children();
for (IModelElement ee : ch)
{
findUsers(ee, users);
}
}
}
public static VersionRange getDefaultRange(Version version)
{
IPreferenceStore store = SigilCore.getDefault().getPreferenceStore();
VersionRangeBoundingRule lowerBoundRule = VersionRangeBoundingRule.valueOf(store.getString(SigilCore.DEFAULT_VERSION_LOWER_BOUND));
VersionRangeBoundingRule upperBoundRule = VersionRangeBoundingRule.valueOf(store.getString(SigilCore.DEFAULT_VERSION_UPPER_BOUND));
VersionRange selectedVersions = VersionRange.newInstance(version, lowerBoundRule,
upperBoundRule);
return selectedVersions;
}
public static IPackageExport findExport(ISigilProjectModel sigil,
final String packageName)
{
final ArrayList<IPackageExport> found = new ArrayList<IPackageExport>(1);
sigil.visit(new IModelWalker()
{
public boolean visit(IModelElement element)
{
if (element instanceof IPackageExport)
{
IPackageExport pe = (IPackageExport) element;
if (pe.getPackageName().equals(packageName))
{
found.add(pe);
}
}
return found.isEmpty();
}
});
return found.isEmpty() ? null : found.get(0);
}
}