/*
* 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.bundle.command;
import java.util.ArrayList;
import java.util.List;
import org.apache.karaf.bundle.core.BundleService;
import org.apache.karaf.shell.api.action.Action;
import org.apache.karaf.shell.api.action.Argument;
import org.apache.karaf.shell.api.action.Option;
import org.apache.karaf.shell.api.action.lifecycle.Reference;
import org.apache.karaf.shell.support.MultiException;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleContext;
public abstract class BundlesCommand implements Action {
@Option(name = "--context", aliases = {"-c"}, description = "Use the given bundle context")
String context = "0";
@Argument(index = 0, name = "ids", description = "The list of bundle (identified by IDs or name or name/version) separated by whitespaces", required = false, multiValued = true)
List<String> ids;
@Reference
BundleContext bundleContext;
@Reference
BundleService bundleService;
protected boolean defaultAllBundles = true;
protected String errorMessage = "Unable to execute command on bundle ";
@Override
public Object execute() throws Exception {
List<Bundle> bundles = bundleService.selectBundles(context, ids, defaultAllBundles);
return doExecute(bundles);
}
protected Object doExecute(List<Bundle> bundles) throws Exception {
if (bundles.isEmpty()) {
throw new IllegalArgumentException("No matching bundles");
}
List<Exception> exceptions = new ArrayList<Exception>();
for (Bundle bundle : bundles) {
try {
executeOnBundle(bundle);
} catch (Exception e) {
exceptions.add(new Exception(errorMessage + bundle.getBundleId() + ": " + e.getMessage(), e));
}
}
MultiException.throwIf("Error executing command on bundles", exceptions);
return null;
}
protected abstract void executeOnBundle(Bundle bundle) throws Exception;
public void setBundleService(BundleService bundleService) {
this.bundleService = bundleService;
}
public void setBundleContext(BundleContext bundleContext) {
this.bundleContext = bundleContext;
}
}