/*
* 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.Collections;
import java.util.HashMap;
import java.util.Map;
import org.apache.aries.subsystem.core.internal.AbstractRequirement;
import org.osgi.framework.namespace.HostNamespace;
import org.osgi.resource.Resource;
public class FragmentHostRequirement extends AbstractRequirement {
public static final String DIRECTIVE_EXTENSION = HostNamespace.REQUIREMENT_EXTENSION_DIRECTIVE;
public static final String DIRECTIVE_FILTER = HostNamespace.REQUIREMENT_FILTER_DIRECTIVE;
public static final String NAMESPACE = HostNamespace.HOST_NAMESPACE;
private final Map<String, String> directives;
private final Resource resource;
public FragmentHostRequirement(
FragmentHostHeader.Clause clause, Resource resource) {
directives = new HashMap<String, String>(clause.getDirectives().size() + 1);
for (Directive directive : clause.getDirectives())
directives.put(directive.getName(), directive.getValue());
StringBuilder builder = new StringBuilder("(&(")
.append(NAMESPACE).append('=')
.append(clause.getSymbolicName()).append(')');
for (Attribute attribute : clause.getAttributes())
attribute.appendToFilter(builder);
directives.put(DIRECTIVE_FILTER, builder.append(')').toString());
this.resource = resource;
}
@Override
public Map<String, Object> getAttributes() {
return Collections.emptyMap();
}
@Override
public Map<String, String> getDirectives() {
return Collections.unmodifiableMap(directives);
}
@Override
public String getNamespace() {
return NAMESPACE;
}
@Override
public Resource getResource() {
return resource;
}
}