/*
* 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.aries.subsystem.core.archive;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import org.osgi.framework.Constants;
import org.osgi.framework.Version;
import org.osgi.framework.VersionRange;
import org.osgi.resource.Resource;
public class FragmentHostHeader extends AbstractClauseBasedHeader<FragmentHostHeader.Clause> implements RequirementHeader<FragmentHostHeader.Clause> {
public static class Clause extends AbstractClause {
public static final String ATTRIBUTE_BUNDLEVERSION = Constants.BUNDLE_VERSION_ATTRIBUTE;
public Clause(String clause) {
super(
parsePath(clause, Patterns.SYMBOLIC_NAME, false),
parseParameters(clause, false),
generateDefaultParameters(
new BundleVersionAttribute(
new VersionRange(
VersionRange.LEFT_CLOSED,
new Version("0"),
null,
VersionRange.RIGHT_OPEN))));
}
public String getSymbolicName() {
return path;
}
public FragmentHostRequirement toRequirement(Resource resource) {
return new FragmentHostRequirement(this, resource);
}
}
public static final String NAME = Constants.FRAGMENT_HOST;
public FragmentHostHeader(Collection<Clause> clauses) {
super(clauses);
if (clauses.size() != 1) {
throw new IllegalArgumentException("A " + NAME + " header must have one and only one clause");
}
}
public FragmentHostHeader(String value) {
super(
value,
new ClauseFactory<Clause>() {
@Override
public Clause newInstance(String clause) {
return new Clause(clause);
}
});
if (clauses.size() != 1) {
throw new IllegalArgumentException("A " + NAME + " header must have one and only one clause");
}
}
@Override
public String getName() {
return NAME;
}
@Override
public String getValue() {
return toString();
}
@Override
public List<FragmentHostRequirement> toRequirements(Resource resource) {
List<FragmentHostRequirement> requirements = new ArrayList<FragmentHostRequirement>(clauses.size());
for (Clause clause : clauses)
requirements.add(clause.toRequirement(resource));
return requirements;
}
}