/*
* 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.karaf.features.internal.resolver;
import java.util.Map;
import org.osgi.framework.Constants;
import org.osgi.resource.Capability;
import org.osgi.resource.Requirement;
import org.osgi.resource.Resource;
public class RequirementImpl extends BaseClause implements Requirement {
private final Resource resource;
private final String namespace;
private final SimpleFilter filter;
private final boolean optional;
private final Map<String, String> dirs;
private final Map<String, Object> attrs;
public RequirementImpl(
Resource resource, String namespace,
Map<String, String> dirs, Map<String, Object> attrs, SimpleFilter filter) {
this.resource = resource;
this.namespace = namespace;
this.dirs = dirs;
this.attrs = attrs;
this.filter = filter;
// Find resolution import directives.
optional = Constants.RESOLUTION_OPTIONAL.equals(this.dirs.get(Constants.RESOLUTION_DIRECTIVE));
}
public RequirementImpl(
Resource resource, String namespace,
Map<String, String> dirs, Map<String, Object> attrs) {
this(resource, namespace, dirs, attrs, SimpleFilter.convert(attrs));
}
public String getNamespace() {
return namespace;
}
public Map<String, String> getDirectives() {
return dirs;
}
public Map<String, Object> getAttributes() {
return attrs;
}
public Resource getResource() {
return resource;
}
public boolean matches(Capability cap) {
return CapabilitySet.matches(cap, getFilter());
}
public boolean isOptional() {
return optional;
}
public SimpleFilter getFilter() {
return filter;
}
}