| package org.eclipse.equinox.internal.p2.reconciler.dropins; |
| |
| import java.io.*; |
| import java.net.MalformedURLException; |
| import java.net.URL; |
| import java.util.*; |
| import org.eclipse.equinox.internal.provisional.p2.artifact.repository.IArtifactRepository; |
| import org.eclipse.equinox.internal.provisional.p2.artifact.repository.IArtifactRepositoryManager; |
| import org.eclipse.equinox.internal.provisional.p2.core.ProvisionException; |
| import org.eclipse.equinox.internal.provisional.p2.core.repository.IRepository; |
| import org.eclipse.equinox.internal.provisional.p2.directorywatcher.RepositoryListener; |
| import org.eclipse.equinox.internal.provisional.p2.metadata.repository.IMetadataRepository; |
| import org.eclipse.equinox.internal.provisional.p2.metadata.repository.IMetadataRepositoryManager; |
| import org.osgi.framework.BundleContext; |
| import org.osgi.framework.ServiceReference; |
| |
| public class DropinsRepositoryListener extends RepositoryListener { |
| |
| private static final String JAR = ".jar"; //$NON-NLS-1$ |
| private static final String LINK = ".link"; //$NON-NLS-1$ |
| private static final String ZIP = ".zip"; //$NON-NLS-1$ |
| private static final String LINKS_PATH = "path"; //$NON-NLS-1$ |
| private static final String DROPIN_ARTIFACT_REPOSITORIES = "dropin.artifactRepositories"; //$NON-NLS-1$ |
| private static final String DROPIN_METADATA_REPOSITORIES = "dropin.metadataRepositories"; //$NON-NLS-1$ |
| private static final String PIPE = "|"; //$NON-NLS-1$ |
| private BundleContext context; |
| private List metadataRepositories = new ArrayList(); |
| private List artifactRepositories = new ArrayList(); |
| |
| public DropinsRepositoryListener(BundleContext context, String repositoryName) { |
| super(context, repositoryName); |
| this.context = context; |
| } |
| |
| public boolean isInterested(File file) { |
| if (file.isDirectory()) |
| return true; |
| |
| String name = file.getName(); |
| return name.endsWith(JAR) || name.endsWith(ZIP) || name.endsWith(LINK); |
| } |
| |
| public boolean added(File file) { |
| if (super.added(file)) |
| return true; |
| |
| URL repositoryURL = createRepositoryURL(file); |
| if (repositoryURL != null) { |
| loadMetadataRepository(repositoryURL); |
| loadArtifactRepository(repositoryURL); |
| } |
| return true; |
| } |
| |
| public boolean changed(File file) { |
| if (super.changed(file)) |
| return true; |
| |
| URL repositoryURL = createRepositoryURL(file); |
| if (repositoryURL != null) { |
| loadMetadataRepository(repositoryURL); |
| loadArtifactRepository(repositoryURL); |
| } |
| return true; |
| } |
| |
| private String getLinkPath(File file) { |
| Properties links = new Properties(); |
| try { |
| InputStream input = new BufferedInputStream(new FileInputStream(file)); |
| try { |
| links.load(input); |
| } finally { |
| input.close(); |
| } |
| } catch (IOException e) { |
| // ignore |
| } |
| String path = links.getProperty(LINKS_PATH); |
| if (path == null) { |
| // log |
| return null; |
| } |
| |
| // parse out link information |
| if (path.startsWith("r ")) { //$NON-NLS-1$ |
| path = path.substring(2).trim(); |
| } else if (path.startsWith("rw ")) { //$NON-NLS-1$ |
| path = path.substring(3).trim(); |
| } else { |
| path = path.trim(); |
| } |
| return path; |
| } |
| |
| private URL createRepositoryURL(File file) { |
| try { |
| if (file.getName().endsWith(LINK)) { |
| File linkFile = file; |
| String path = getLinkPath(linkFile); |
| // todo log |
| if (path == null) |
| return null; |
| file = new File(path); |
| if (!file.isAbsolute()) { |
| // link support is relative to the install root |
| // For now we will use the parent of dropins folder |
| file = new File(Activator.getDropinsDirectory().getParentFile(), path); |
| } |
| } |
| |
| File canonicalFile = file.getCanonicalFile(); |
| URL repositoryURL = canonicalFile.toURL(); |
| if (canonicalFile.getName().endsWith(ZIP) || canonicalFile.getName().endsWith(JAR)) { |
| repositoryURL = new URL("jar:" + repositoryURL.toString() + "!/"); //$NON-NLS-1$ //$NON-NLS-2$ |
| } |
| return repositoryURL; |
| } catch (IOException e) { |
| // todo log |
| } |
| return null; |
| } |
| |
| public void loadMetadataRepository(URL repoURL) { |
| try { |
| metadataRepositories.add(Activator.loadMetadataRepository(repoURL)); |
| } catch (ProvisionException e) { |
| //TODO: log |
| // ignore |
| } |
| } |
| |
| public void loadArtifactRepository(URL repoURL) { |
| try { |
| artifactRepositories.add(Activator.loadArtifactRepository(repoURL)); |
| } catch (ProvisionException e) { |
| //TODO: log |
| // ignore |
| } |
| } |
| |
| public void stopPoll() { |
| |
| synchronizeDropinMetadataRepositories(); |
| synchronizeDropinArtifactRepositories(); |
| |
| super.stopPoll(); |
| } |
| |
| private void synchronizeDropinMetadataRepositories() { |
| List currentRepositories = new ArrayList(); |
| for (Iterator it = metadataRepositories.iterator(); it.hasNext();) { |
| IMetadataRepository repository = (IMetadataRepository) it.next(); |
| String urlString = repository.getLocation().toExternalForm(); |
| currentRepositories.add(urlString); |
| } |
| List previousRepositories = getListRepositoryProperty(getMetadataRepository(), DROPIN_METADATA_REPOSITORIES); |
| for (Iterator iterator = previousRepositories.iterator(); iterator.hasNext();) { |
| String repository = (String) iterator.next(); |
| if (!currentRepositories.contains(repository)) |
| removeMetadataRepository(repository); |
| } |
| setListRepositoryProperty(getMetadataRepository(), DROPIN_METADATA_REPOSITORIES, currentRepositories); |
| } |
| |
| private void removeMetadataRepository(String urlString) { |
| ServiceReference reference = context.getServiceReference(IMetadataRepositoryManager.class.getName()); |
| IMetadataRepositoryManager manager = null; |
| if (reference != null) |
| manager = (IMetadataRepositoryManager) context.getService(reference); |
| if (manager == null) |
| throw new IllegalStateException("MetadataRepositoryManager not registered."); |
| |
| try { |
| manager.removeRepository(new URL(urlString)); |
| } catch (MalformedURLException e) { |
| // TODO: log |
| // ignore |
| } finally { |
| context.ungetService(reference); |
| } |
| } |
| |
| private void synchronizeDropinArtifactRepositories() { |
| List currentRepositories = new ArrayList(); |
| for (Iterator it = artifactRepositories.iterator(); it.hasNext();) { |
| IArtifactRepository repository = (IArtifactRepository) it.next(); |
| String urlString = repository.getLocation().toExternalForm(); |
| currentRepositories.add(urlString); |
| } |
| List previousRepositories = getListRepositoryProperty(getArtifactRepository(), DROPIN_ARTIFACT_REPOSITORIES); |
| for (Iterator iterator = previousRepositories.iterator(); iterator.hasNext();) { |
| String repository = (String) iterator.next(); |
| if (!currentRepositories.contains(repository)) |
| removeArtifactRepository(repository); |
| } |
| setListRepositoryProperty(getArtifactRepository(), DROPIN_ARTIFACT_REPOSITORIES, currentRepositories); |
| } |
| |
| public void removeArtifactRepository(String urlString) { |
| ServiceReference reference = context.getServiceReference(IArtifactRepositoryManager.class.getName()); |
| IArtifactRepositoryManager manager = null; |
| if (reference != null) |
| manager = (IArtifactRepositoryManager) context.getService(reference); |
| if (manager == null) |
| throw new IllegalStateException("ArtifactRepositoryManager not registered."); |
| |
| try { |
| manager.removeRepository(new URL(urlString)); |
| } catch (MalformedURLException e) { |
| //TODO: log |
| // ignore |
| } finally { |
| context.ungetService(reference); |
| } |
| } |
| |
| private List getListRepositoryProperty(IRepository repository, String key) { |
| List listProperty = new ArrayList(); |
| String dropinRepositories = (String) repository.getProperties().get(key); |
| if (dropinRepositories != null) { |
| StringTokenizer tokenizer = new StringTokenizer(dropinRepositories, PIPE); //$NON-NLS-1$ |
| while (tokenizer.hasMoreTokens()) { |
| listProperty.add(tokenizer.nextToken()); |
| } |
| } |
| return listProperty; |
| } |
| |
| private void setListRepositoryProperty(IRepository repository, String key, List listProperty) { |
| StringBuffer buffer = new StringBuffer(); |
| for (Iterator it = listProperty.iterator(); it.hasNext();) { |
| String repositoryString = (String) it.next(); |
| buffer.append(repositoryString); |
| if (it.hasNext()) |
| buffer.append(PIPE); |
| } |
| String value = (buffer.length() == 0) ? null : buffer.toString(); |
| repository.setProperty(key, value); |
| } |
| |
| public IMetadataRepository[] getMetadataRepositories() { |
| List result = new ArrayList(metadataRepositories); |
| result.add(getMetadataRepository()); |
| return (IMetadataRepository[]) result.toArray(new IMetadataRepository[0]); |
| } |
| |
| } |