/* | |
* 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.Collection; | |
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.PackageNamespace; | |
import org.osgi.resource.Resource; | |
public class DynamicImportPackageRequirement extends AbstractRequirement { | |
public static final String DIRECTIVE_FILTER = PackageNamespace.REQUIREMENT_FILTER_DIRECTIVE; | |
public static final String NAMESPACE = PackageNamespace.PACKAGE_NAMESPACE; | |
private final Map<String, String> directives; | |
private final String packageName; | |
private final Resource resource; | |
public DynamicImportPackageRequirement(String pkg, DynamicImportPackageHeader.Clause clause, Resource resource) { | |
packageName = pkg; | |
Collection<Directive> clauseDirectives = clause.getDirectives(); | |
directives = new HashMap<String, String>(clauseDirectives.size() + 1); | |
for (Directive directive : clauseDirectives) | |
directives.put(directive.getName(), directive.getValue()); | |
StringBuilder filter = new StringBuilder("(&(").append(NAMESPACE) | |
.append('=').append(pkg).append(')'); | |
VersionRangeAttribute versionRange = clause.getVersionRangeAttribute(); | |
if (versionRange != null) { | |
versionRange.appendToFilter(filter); | |
} | |
directives.put(DIRECTIVE_FILTER, filter.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; | |
} | |
public String getPackageName() { | |
return packageName; | |
} | |
@Override | |
public Resource getResource() { | |
return resource; | |
} | |
} |