| /* |
| * 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.features.command; |
| |
| import java.util.EnumSet; |
| |
| import org.apache.karaf.features.Feature; |
| import org.apache.karaf.features.FeaturesService; |
| import org.apache.karaf.shell.api.action.Action; |
| import org.apache.karaf.shell.api.action.lifecycle.Reference; |
| |
| public abstract class FeaturesCommandSupport implements Action { |
| protected EnumSet<FeaturesService.Option> options = EnumSet.noneOf(FeaturesService.Option.class); |
| |
| @Reference |
| private FeaturesService featuresService; |
| |
| @Override |
| public Object execute() throws Exception { |
| if (featuresService == null) { |
| throw new IllegalStateException("FeaturesService not found"); |
| } |
| doExecute(featuresService); |
| return null; |
| } |
| |
| protected abstract void doExecute(FeaturesService admin) throws Exception; |
| |
| public void setFeaturesService(FeaturesService featuresService) { |
| this.featuresService = featuresService; |
| } |
| |
| protected void addOption(FeaturesService.Option option, boolean shouldAdd) { |
| if (shouldAdd) { |
| options.add(option); |
| } |
| } |
| |
| protected String getFeatureId(FeaturesService admin, String nameOrId) throws Exception { |
| Feature[] matchingFeatures = admin.getFeatures(nameOrId); |
| if (matchingFeatures.length == 0) { |
| throw new IllegalArgumentException("No matching feature found for " + nameOrId); |
| } |
| if (matchingFeatures.length > 1) { |
| throw new IllegalArgumentException("More than one matching feature found for " + nameOrId); |
| } |
| return matchingFeatures[0].getId(); |
| } |
| } |