/*
* Licensed 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.aries.subsystem.core.internal;
import java.util.Collection;
import java.util.Collections;
import java.util.Map;
import org.apache.aries.subsystem.core.capabilityset.CapabilitySetRepository;
import org.osgi.resource.Capability;
import org.osgi.resource.Requirement;
import org.osgi.resource.Resource;
public class ContentRepository implements org.apache.aries.subsystem.core.repository.Repository {
private final CapabilitySetRepository installableContent;
private final CapabilitySetRepository sharedContent;
public ContentRepository(Collection<Resource> installableContent, Collection<Resource> sharedContent) {
this.installableContent = new CapabilitySetRepository();
for (Resource resource : installableContent) {
this.installableContent.addResource(resource);
}
this.sharedContent = new CapabilitySetRepository();
for (Resource resource : sharedContent) {
this.sharedContent.addResource(resource);
}
}
@Override
public Map<Requirement, Collection<Capability>> findProviders(
Collection<? extends Requirement> requirements) {
Map<Requirement, Collection<Capability>> result = sharedContent.findProviders(requirements);
for (Map.Entry<Requirement, Collection<Capability>> entry : result.entrySet()) {
if (entry.getValue().isEmpty()) {
entry.setValue(
installableContent.findProviders(
Collections.singletonList(entry.getKey())).get(entry.getKey()));
}
}
return result;
}
}