| /* |
| * 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.bundlerepository; |
| |
| import java.net.MalformedURLException; |
| import java.net.URL; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Comparator; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.StringTokenizer; |
| |
| import org.osgi.framework.BundleContext; |
| import org.osgi.framework.Filter; |
| import org.osgi.framework.InvalidSyntaxException; |
| import org.osgi.service.obr.Repository; |
| import org.osgi.service.obr.RepositoryAdmin; |
| import org.osgi.service.obr.Resolver; |
| import org.osgi.service.obr.Resource; |
| |
| public class RepositoryAdminImpl implements RepositoryAdmin |
| { |
| static BundleContext m_context = null; |
| private final Logger m_logger; |
| private final LocalRepositoryImpl m_local; |
| private List m_urlList = new ArrayList(); |
| private Map m_repoMap = new HashMap(); |
| private boolean m_initialized = false; |
| |
| // Reusable comparator for sorting resources by name. |
| private Comparator m_nameComparator = new ResourceComparator(); |
| |
| public static final String REPOSITORY_URL_PROP = "obr.repository.url"; |
| public static final String EXTERN_REPOSITORY_TAG = "extern-repositories"; |
| |
| public RepositoryAdminImpl(BundleContext context, Logger logger) |
| { |
| m_context = context; |
| m_logger = logger; |
| m_local = new LocalRepositoryImpl(context, logger); |
| } |
| |
| LocalRepositoryImpl getLocalRepository() |
| { |
| return m_local; |
| } |
| |
| public void dispose() |
| { |
| m_local.dispose(); |
| } |
| |
| public Repository addRepository(URL url) throws Exception |
| { |
| return addRepository(url, Integer.MAX_VALUE); |
| } |
| |
| public synchronized Repository addRepository(URL url, int hopCount) throws Exception |
| { |
| if (!m_urlList.contains(url)) |
| { |
| m_urlList.add(url); |
| } |
| |
| // If the repository URL is a duplicate, then we will just |
| // replace the existing repository object with a new one, |
| // which is effectively the same as refreshing the repository. |
| Repository repo = new RepositoryImpl(this, url, hopCount, m_logger); |
| m_repoMap.put(url, repo); |
| return repo; |
| } |
| |
| public synchronized boolean removeRepository(URL url) |
| { |
| m_repoMap.remove(url); |
| return (m_urlList.remove(url)) ? true : false; |
| } |
| |
| public synchronized Repository[] listRepositories() |
| { |
| if (!m_initialized) |
| { |
| initialize(); |
| } |
| return (Repository[]) m_repoMap.values().toArray(new Repository[m_repoMap.size()]); |
| } |
| |
| public synchronized Resource getResource(String respositoryId) |
| { |
| // TODO: OBR - Auto-generated method stub |
| return null; |
| } |
| |
| public synchronized Resolver resolver() |
| { |
| if (!m_initialized) |
| { |
| initialize(); |
| } |
| |
| return new ResolverImpl(m_context, this, m_logger); |
| } |
| |
| public synchronized Resource[] discoverResources(String filterExpr) |
| { |
| if (!m_initialized) |
| { |
| initialize(); |
| } |
| |
| Filter filter = null; |
| try |
| { |
| filter = m_context.createFilter(filterExpr); |
| } |
| catch (InvalidSyntaxException ex) |
| { |
| m_logger.log( |
| Logger.LOG_WARNING, |
| "Error while discovering resources for " + filterExpr, |
| ex); |
| return new Resource[0]; |
| } |
| |
| Resource[] resources = null; |
| MapToDictionary dict = new MapToDictionary(null); |
| Repository[] repos = listRepositories(); |
| List matchList = new ArrayList(); |
| for (int repoIdx = 0; (repos != null) && (repoIdx < repos.length); repoIdx++) |
| { |
| resources = repos[repoIdx].getResources(); |
| for (int resIdx = 0; (resources != null) && (resIdx < resources.length); resIdx++) |
| { |
| dict.setSourceMap(resources[resIdx].getProperties()); |
| if (filter.match(dict)) |
| { |
| matchList.add(resources[resIdx]); |
| } |
| } |
| } |
| |
| // Convert matching resources to an array an sort them by name. |
| resources = (Resource[]) matchList.toArray(new Resource[matchList.size()]); |
| Arrays.sort(resources, m_nameComparator); |
| return resources; |
| } |
| |
| private void initialize() |
| { |
| m_initialized = true; |
| |
| // Initialize the repository URL list if it is currently empty. |
| if (m_urlList.size() == 0) |
| { |
| // First check the repository URL config property. |
| String urlStr = m_context.getProperty(REPOSITORY_URL_PROP); |
| if (urlStr != null) |
| { |
| StringTokenizer st = new StringTokenizer(urlStr); |
| if (st.countTokens() > 0) |
| { |
| while (st.hasMoreTokens()) |
| { |
| final String token = st.nextToken(); |
| try |
| { |
| m_urlList.add(new URL(token)); |
| } |
| catch (MalformedURLException ex) |
| { |
| m_logger.log( |
| Logger.LOG_WARNING, |
| "Repository url " + token + " cannot be used. Skipped.", |
| ex); |
| } |
| } |
| } |
| } |
| } |
| |
| m_repoMap.clear(); |
| |
| for (int i = 0; i < m_urlList.size(); i++) |
| { |
| URL url = (URL) m_urlList.get(i); |
| try |
| { |
| Repository repo = new RepositoryImpl(this, url, m_logger); |
| if (repo != null) |
| { |
| m_repoMap.put(url, repo); |
| } |
| } |
| catch (Exception ex) |
| { |
| m_logger.log( |
| Logger.LOG_WARNING, |
| "RepositoryAdminImpl: Exception creating repository " + url.toExternalForm() |
| + ". Repository is skipped.", |
| ex); |
| } |
| } |
| } |
| } |