| /* |
| * Copyright 2005 The Apache Software Foundation |
| * |
| * Licensed 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.io.*; |
| import java.net.*; |
| import java.util.*; |
| import org.apache.felix.bundlerepository.metadataparser.XmlCommonHandler; |
| import org.apache.felix.bundlerepository.metadataparser.kxmlsax.KXml2SAXParser; |
| import org.osgi.framework.*; |
| import org.osgi.service.obr.*; |
| |
| public class RepositoryAdminImpl implements RepositoryAdmin |
| { |
| static BundleContext m_context = null; |
| 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(); |
| |
| private static final String DEFAULT_REPOSITORY_URL = |
| "http://oscar-osgi.sf.net/obr2/repository.xml"; |
| public static final String REPOSITORY_URL_PROP = "obr.repository.url"; |
| public static final String EXTERN_REPOSITORY_TAG = "extern-repositories"; |
| |
| public RepositoryAdminImpl(BundleContext context) |
| { |
| m_context = context; |
| |
| // Get repository URLs. |
| String urlStr = m_context.getProperty(REPOSITORY_URL_PROP); |
| if (urlStr != null) |
| { |
| StringTokenizer st = new StringTokenizer(urlStr); |
| if (st.countTokens() > 0) |
| { |
| while (st.hasMoreTokens()) |
| { |
| try |
| { |
| m_urlList.add(new URL(st.nextToken())); |
| } |
| catch (MalformedURLException ex) |
| { |
| System.err.println("RepositoryAdminImpl: " + ex); |
| } |
| } |
| } |
| } |
| |
| // Use the default URL if none were specified. |
| if (m_urlList.size() == 0) |
| { |
| try |
| { |
| m_urlList.add(new URL(DEFAULT_REPOSITORY_URL)); |
| } |
| catch (MalformedURLException ex) |
| { |
| System.err.println("RepositoryAdminImpl: " + ex); |
| } |
| } |
| } |
| |
| public synchronized Repository addRepository(URL url) 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(url); |
| 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); |
| } |
| |
| public synchronized Resource[] discoverResources(String filterExpr) |
| { |
| if (!m_initialized) |
| { |
| initialize(); |
| } |
| |
| Filter filter = null; |
| try |
| { |
| filter = m_context.createFilter(filterExpr); |
| } |
| catch (InvalidSyntaxException ex) |
| { |
| System.err.println(ex); |
| } |
| |
| 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; |
| m_repoMap.clear(); |
| |
| for (int i = 0; i < m_urlList.size(); i++) |
| { |
| URL url = (URL) m_urlList.get(i); |
| Repository repo = new RepositoryImpl(url); |
| if (repo != null) |
| { |
| m_repoMap.put(url, repo); |
| } |
| } |
| } |
| } |