Package org.apache.karaf.shell.osgi

Source Code of org.apache.karaf.shell.osgi.RefreshBundle

/*
* 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.shell.osgi;

import java.util.List;

import org.apache.karaf.shell.console.OsgiCommandSupport;
import org.apache.felix.gogo.commands.Argument;
import org.apache.felix.gogo.commands.Command;
import org.osgi.framework.Bundle;
import org.osgi.framework.ServiceReference;
import org.osgi.service.packageadmin.PackageAdmin;

@Command(scope = "osgi", name = "refresh", description = "Refresh a bundle")
public class RefreshBundle extends BundlesCommandOptional {

    protected void doExecute(List<Bundle> bundles) throws Exception {
        // Get package admin service.
        ServiceReference ref = getBundleContext().getServiceReference(PackageAdmin.class.getName());
        if (ref == null) {
            System.out.println("PackageAdmin service is unavailable.");
            return;
        }
        try {
            PackageAdmin pa = (PackageAdmin) getBundleContext().getService(ref);
            if (pa == null) {
                System.out.println("PackageAdmin service is unavailable.");
                return;
            }
            if (bundles.isEmpty()) {
                pa.refreshPackages(null);
            }
            else {
                pa.refreshPackages(bundles.toArray(new Bundle[bundles.size()]));
            }
        }
        finally {
            getBundleContext().ungetService(ref);
        }
    }
}
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