/**
* 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.jmx.framework;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import javax.management.openmbean.TabularData;
import org.apache.aries.jmx.codec.PackageData;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleContext;
import org.osgi.framework.Version;
import org.osgi.jmx.framework.PackageStateMBean;
import org.osgi.service.packageadmin.ExportedPackage;
import org.osgi.service.packageadmin.PackageAdmin;
/**
* <p>
* <tt>PackageState</tt> represents implementation of PackageStateMBean.
* </p>
*
* @see PackageStateMBean
*
* @version $Rev: 919575 $ $Date: 2010-03-05 20:00:30 +0000 (Fri, 05 Mar 2010) $
*/
public class PackageState implements PackageStateMBean {
/**
* {@link PackageAdmin} service reference.
*/
private PackageAdmin packageAdmin;
private BundleContext context;
/**
* Constructs new PackagesState MBean.
*
* @param context bundle context.
* @param packageAdmin {@link PackageAdmin} service reference.
*/
public PackageState(BundleContext context, PackageAdmin packageAdmin) {
this.context = context;
this.packageAdmin = packageAdmin;
}
/**
* @see org.osgi.jmx.framework.PackageStateMBean#getExportingBundles(String, String)
*/
public long[] getExportingBundles(String packageName, String version) throws IOException {
ExportedPackage[] exportedPackages = packageAdmin.getExportedPackages(packageName);
if (exportedPackages != null) {
Version ver = Version.parseVersion(version);
List<Long> exportingBundles = new ArrayList<Long>();
for (ExportedPackage exportedPackage : exportedPackages) {
if (exportedPackage.getVersion().equals(ver)) {
long bundleId = exportedPackage.getExportingBundle().getBundleId();
exportingBundles.add(bundleId);
}
}
if(!exportingBundles.isEmpty()){
long[] convertedArray = new long[exportingBundles.size()];
for(int i=0; i < exportingBundles.size(); i++){
convertedArray[i] = exportingBundles.get(i);
}
return convertedArray;
}
}
return null;
}
/**
* @see org.osgi.jmx.framework.PackageStateMBean#getImportingBundles(String, String, long)
*/
public long[] getImportingBundles(String packageName, String version, long exportingBundle) throws IOException {
ExportedPackage[] exportedPackages = packageAdmin.getExportedPackages(packageName);
if (exportedPackages != null) {
Version ver = Version.parseVersion(version);
for (ExportedPackage exportedPackage : exportedPackages) {
if (exportedPackage.getVersion().equals(ver)
&& exportedPackage.getExportingBundle().getBundleId() == exportingBundle) {
Bundle[] bundles = exportedPackage.getImportingBundles();
if (bundles != null) {
long[] importingBundles = new long[bundles.length];
for (int i = 0; i < bundles.length; i++) {
importingBundles[i] = bundles[i].getBundleId();
}
return importingBundles;
}
}
}
}
return null;
}
/**
* @see org.osgi.jmx.framework.PackageStateMBean#isRemovalPending(String, String, long)
*/
public boolean isRemovalPending(String packageName, String version, long exportingBundle) throws IOException {
ExportedPackage[] exportedPackages = packageAdmin.getExportedPackages(packageName);
if (exportedPackages != null) {
Version ver = Version.parseVersion(version);
for (ExportedPackage exportedPackage : exportedPackages) {
if (exportedPackage.getVersion().equals(ver)
&& exportedPackage.getExportingBundle().getBundleId() == exportingBundle
&& exportedPackage.isRemovalPending()) {
return true;
}
}
}
return false;
}
/**
* @see org.osgi.jmx.framework.PackageStateMBean#listPackages()
*/
public TabularData listPackages() throws IOException {
Set<PackageData> packages = new HashSet<PackageData>();
for (Bundle bundle : context.getBundles()) {
ExportedPackage[] exportedPackages = packageAdmin.getExportedPackages(bundle);
if (exportedPackages != null) {
for (ExportedPackage exportedPackage : exportedPackages) {
packages.add(new PackageData(exportedPackage));
}
}
}
return PackageData.tableFrom(packages);
}
}