/*
* 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.archive;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import org.osgi.framework.Constants;
import org.osgi.resource.Resource;
public class ProvideCapabilityHeader extends AbstractClauseBasedHeader<ProvideCapabilityHeader.Clause> implements CapabilityHeader<ProvideCapabilityHeader.Clause> {
public static class Clause extends AbstractClause {
public static final String DIRECTIVE_EFFECTIVE = EffectiveDirective.NAME;
public static final String DIRECTIVE_USES = Constants.USES_DIRECTIVE;
private static final Collection<Parameter> defaultParameters = generateDefaultParameters(
EffectiveDirective.DEFAULT);
public Clause(String clause) {
super(
parsePath(clause, Patterns.NAMESPACE, false),
parseTypedParameters(clause),
defaultParameters);
}
public String getNamespace() {
return path;
}
public ProvideCapabilityCapability toCapability(Resource resource) {
return new ProvideCapabilityCapability(this, resource);
}
@Override
public String toString() {
StringBuilder builder = new StringBuilder()
.append(getPath());
for (Parameter parameter : getParameters()) {
builder.append(';').append(parameter);
}
return builder.toString();
}
}
public static final String NAME = Constants.PROVIDE_CAPABILITY;
public ProvideCapabilityHeader(String value) {
super(
value,
new ClauseFactory<Clause>() {
@Override
public Clause newInstance(String clause) {
return new Clause(clause);
}
});
}
@Override
public String getName() {
return NAME;
}
@Override
public String getValue() {
return toString();
}
@Override
public List<ProvideCapabilityCapability> toCapabilities(Resource resource) {
List<ProvideCapabilityCapability> result = new ArrayList<ProvideCapabilityCapability>();
for (Clause clause : clauses)
result.add(clause.toCapability(resource));
return result;
}
}