/*
 * 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.felix.karaf.shell.obr;

import java.net.URL;
import java.util.List;

import org.osgi.service.obr.Repository;
import org.osgi.service.obr.RepositoryAdmin;
import org.apache.felix.gogo.commands.Argument;
import org.apache.felix.gogo.commands.Command;

@Command(scope = "obr", name = "refreshUrl", description = "Reloads the repositories to obtain a fresh list of bundles.")
public class RefreshUrlCommand extends ObrCommandSupport {

    @Argument(index = 0, name = "urls", description = "Repository URLs to refresh (leave empty for all)", required = false, multiValued = true)
    List<String> urls;

    protected void doExecute(RepositoryAdmin admin) throws Exception {
		if (urls != null || urls.isEmpty()) {
			for (String url : urls) {
				admin.removeRepository(new URL(url));
				admin.addRepository(new URL(url));
			}
		} else {
			Repository[] repos = admin.listRepositories();
			if ((repos != null) && (repos.length > 0)) {
				for (int i = 0; i < repos.length; i++) {
					admin.removeRepository(repos[i].getURL());
					admin.addRepository(repos[i].getURL());
				}
			}
		}
    }

}

/*
 * 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.felix.karaf.shell.obr;

import java.net.URL;
import java.util.List;

import org.osgi.service.obr.Repository;
import org.osgi.service.obr.RepositoryAdmin;
import org.apache.felix.gogo.commands.Argument;
import org.apache.felix.gogo.commands.Command;

@Command(scope = "obr", name = "refreshUrl", description = "Reloads the repositories to obtain a fresh list of bundles.")
public class RefreshUrlCommand extends ObrCommandSupport {

    @Argument(index = 0, name = "urls", description = "Repository URLs to refresh (leave empty for all)", required = false, multiValued = true)
    List<String> urls;

    protected void doExecute(RepositoryAdmin admin) throws Exception {
		if (urls != null && !urls.isEmpty()) {
			for (String url : urls) {
				admin.removeRepository(new URL(url));
				admin.addRepository(new URL(url));
			}
		} else {
			Repository[] repos = admin.listRepositories();
			if ((repos != null) && (repos.length > 0)) {
				for (int i = 0; i < repos.length; i++) {
					admin.removeRepository(repos[i].getURL());
					admin.addRepository(repos[i].getURL());
				}
			}
		}
    }

}

Fix NPE in the OBR refreshUrl command