/*
* 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 WARRANTIESOR 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.application.utils.management;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.Map.Entry;
import java.util.jar.Attributes;
import org.apache.aries.application.ApplicationMetadataFactory;
import org.apache.aries.application.Content;
import org.apache.aries.application.management.BundleInfo;
import org.apache.aries.application.utils.manifest.BundleManifest;
import org.apache.aries.application.utils.manifest.ManifestHeaderProcessor;
import org.osgi.framework.Constants;
import org.osgi.framework.Version;
public final class SimpleBundleInfo implements BundleInfo {
private Content _symbolicName;
private Version _version;
private Attributes _attributes;
private Set<Content> _exportPackages = null;
private Set<Content> _importPackages = null;
private Set<Content> _exportServices = null;
private Set<Content> _importServices = null;
private Set<Content> _requireBundle = null;
private String _location;
private ApplicationMetadataFactory _applicationMetadataFactory;
public SimpleBundleInfo(ApplicationMetadataFactory amf, BundleManifest bm, String location) {
_symbolicName = amf.parseContent(bm.getSymbolicName());
_version = bm.getVersion();
_attributes = bm.getRawAttributes();
_location = location;
_applicationMetadataFactory = amf;
}
public Set<Content> getExportPackage() {
if (_exportPackages == null) {
_exportPackages = getContentSetFromHeader (_attributes, Constants.EXPORT_PACKAGE);
}
return _exportPackages;
}
public Set<Content> getExportService() {
if (_exportServices == null) {
_exportServices = getContentSetFromHeader (_attributes, Constants.EXPORT_SERVICE);
}
return _exportPackages;
}
public Map<String, String> getHeaders() {
Map<String, String> result = new HashMap<String, String>();
for (Entry<Object, Object> h: _attributes.entrySet()) {
Attributes.Name name = (Attributes.Name) h.getKey();
String value = (String) h.getValue();
result.put(name.toString(), value);
}
return result;
}
public Set<Content> getImportPackage() {
if (_importPackages == null) {
_importPackages = getContentSetFromHeader (_attributes, Constants.IMPORT_PACKAGE);
}
return _importPackages;
}
public Set<Content> getImportService() {
if (_importServices == null) {
_importServices = getContentSetFromHeader (_attributes, Constants.IMPORT_SERVICE);
}
return _importServices;
}
public String getLocation() {
return _location;
}
public String getSymbolicName() {
return _symbolicName.getContentName();
}
public Version getVersion() {
return _version;
}
private Set<Content> getContentSetFromHeader (Attributes attributes, String key) {
String header = _attributes.getValue(key);
List<String> splitHeader = ManifestHeaderProcessor.split(header, ",");
HashSet<Content> result = new HashSet<Content>();
for (String s: splitHeader) {
Content c = _applicationMetadataFactory.parseContent(s);
result.add(c);
}
return result;
}
public Map<String, String> getBundleAttributes()
{
return _symbolicName.getAttributes();
}
public Map<String, String> getBundleDirectives()
{
return _symbolicName.getDirectives();
}
public Set<Content> getRequireBundle()
{
if (_requireBundle == null) {
_requireBundle = getContentSetFromHeader(_attributes, Constants.REQUIRE_BUNDLE);
}
return _requireBundle;
}
/**
* Equality is just based on the location. If you install a bundle from the same location string
* you get the same Bundle, even if the underlying bundle had a different symbolic name/version.
* This seems reasonable and quick.
*/
public boolean equals(Object other)
{
if (other == null) return false;
if (other == this) return true;
if (other instanceof SimpleBundleInfo) {
return _location.equals(((SimpleBundleInfo)other)._location);
}
return false;
}
public int hashCode()
{
return _location.hashCode();
}
public String toString()
{
return _symbolicName.getContentName() + "_" + getVersion();
}
}