| /* |
| * 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.ArrayList; |
| import java.util.List; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| import org.apache.felix.service.command.CommandSession; |
| import org.osgi.framework.Bundle; |
| import org.osgi.framework.BundleContext; |
| import org.osgi.framework.Constants; |
| |
| public class BundleSelector { |
| |
| private final CommandSession session; |
| private final BundleContext bundleContext; |
| |
| public BundleSelector(BundleContext bundleContext, CommandSession session) { |
| this.bundleContext = bundleContext; |
| this.session = session; |
| } |
| |
| public List<Bundle> selectBundles(List<String> ids, boolean force) throws Exception { |
| List<Bundle> bundles = new ArrayList<Bundle>(); |
| if (ids != null && !ids.isEmpty()) { |
| for (String id : ids) { |
| |
| // id is a number |
| Pattern pattern = Pattern.compile("^\\d+$"); |
| Matcher matcher = pattern.matcher(id); |
| if (matcher.find()) { |
| Bundle bundle = this.getBundleById(id); |
| addBundle(bundle, id, force, bundles); |
| continue; |
| } |
| |
| // id as a number range |
| pattern = Pattern.compile("^(\\d+)-(\\d+)$"); |
| matcher = pattern.matcher(id); |
| if (matcher.find()) { |
| int index = id.indexOf('-'); |
| long startId = Long.parseLong(id.substring(0, index)); |
| long endId = Long.parseLong(id.substring(index + 1)); |
| if (startId < endId) { |
| for (long i = startId; i <= endId; i++) { |
| Bundle bundle = bundleContext.getBundle(i); |
| addBundle(bundle, String.valueOf(i), force, bundles); |
| } |
| } |
| continue; |
| } |
| |
| int index = id.indexOf('/'); |
| List<Bundle> bundlesByName = null; |
| if (index != -1) { |
| // user has provided name and version |
| bundlesByName = getBundleByNameAndVersion(id.substring(0, index), id.substring(index + 1)); |
| } else { |
| // user has provided only the name |
| bundlesByName = getBundleByName(id); |
| } |
| for (Bundle bundleByName : bundlesByName) { |
| addBundle(bundleByName, id, force, bundles); |
| } |
| } |
| |
| } |
| |
| return bundles; |
| } |
| |
| private void addBundle(Bundle bundle, String id, boolean force, List<Bundle> bundles) throws Exception { |
| if (bundle == null) { |
| // if the bundle is null here, it's because we didn't find it |
| System.err.println("Bundle " + id + " is invalid"); |
| } else { |
| if (force || !Util.isASystemBundle(bundleContext, bundle) || Util.accessToSystemBundleIsAllowed(bundle.getBundleId(), session)) { |
| bundles.add(bundle); |
| } |
| } |
| } |
| |
| /** |
| * Get a bundle identified by an id number. |
| * |
| * @param id the id number. |
| * @return the bundle or null if not found. |
| */ |
| private Bundle getBundleById(String id) { |
| Bundle bundle = null; |
| try { |
| long idNumber = Long.parseLong(id); |
| bundle = bundleContext.getBundle(idNumber); |
| } catch (NumberFormatException nfe) { |
| // ignore |
| } |
| return bundle; |
| } |
| |
| /** |
| * Get a bundles list with the name or symbolic name matching the pattern. |
| * |
| * @param name the bundle name or symbolic name pattern to match. |
| * @return the bundles list. |
| */ |
| private List<Bundle> getBundleByName(String name) { |
| return getBundleByNameAndVersion(name, null); |
| } |
| |
| /** |
| * Get a bundles list with the name or symbolic name matching the name pattern and version matching the version pattern. |
| * |
| * @param name the bundle name or symbolic name regex to match. |
| * @param version the bundle version regex to match. |
| * @return the bundles list. |
| */ |
| private List<Bundle> getBundleByNameAndVersion(String name, String version) { |
| Bundle[] bundles = bundleContext.getBundles(); |
| |
| ArrayList<Bundle> result = new ArrayList<Bundle>(); |
| |
| Pattern namePattern = Pattern.compile(name); |
| |
| for (int i = 0; i < bundles.length; i++) { |
| |
| String bundleSymbolicName = bundles[i].getSymbolicName(); |
| // skip bundles without Bundle-SymbolicName header |
| if (bundleSymbolicName == null) { |
| continue; |
| } |
| |
| Matcher symbolicNameMatcher = namePattern.matcher(bundleSymbolicName); |
| |
| Matcher nameMatcher = null; |
| String bundleName = (String) bundles[i].getHeaders().get(Constants.BUNDLE_NAME); |
| if (bundleName != null) { |
| nameMatcher = namePattern.matcher(bundleName); |
| } |
| |
| if (version != null) { |
| String bundleVersion = (String) bundles[i].getHeaders().get(Constants.BUNDLE_VERSION); |
| if (bundleVersion != null) { |
| boolean nameMatch = (nameMatcher != null && nameMatcher.find()) || symbolicNameMatcher.find(); |
| if (nameMatch) { |
| Pattern versionPattern = Pattern.compile(version); |
| Matcher versionMatcher = versionPattern.matcher(bundleVersion); |
| if (versionMatcher.find()) { |
| result.add(bundles[i]); |
| } |
| } |
| } |
| } else { |
| boolean nameMatch = (nameMatcher != null && nameMatcher.find()) || symbolicNameMatcher.find(); |
| if (nameMatch) { |
| result.add(bundles[i]); |
| } |
| } |
| } |
| return result; |
| } |
| |
| } |