CmsJcrFsProvider.java

   1 package org.argeo.cms.jcr.internal;
   2
   3 import java.io.IOException;
   4 import java.net.URI;
   5 import java.net.URISyntaxException;
   6 import java.nio.file.FileSystem;
   7 import java.nio.file.FileSystemAlreadyExistsException;
   8 import java.nio.file.Path;
   9 import java.nio.file.spi.FileSystemProvider;
  10 import java.util.HashMap;
  11 import java.util.Map;
  12
  13 import javax.jcr.Node;
  14 import javax.jcr.Property;
  15 import javax.jcr.Repository;
  16 import javax.jcr.RepositoryException;
  17 import javax.jcr.RepositoryFactory;
  18 import javax.jcr.Session;
  19 import javax.jcr.nodetype.NodeType;
  20
  21 import org.argeo.api.cms.CmsConstants;
  22 import org.argeo.cms.CurrentUser;
  23 import org.argeo.cms.jcr.CmsJcrUtils;
  24 import org.argeo.jackrabbit.fs.AbstractJackrabbitFsProvider;
  25 import org.argeo.jcr.fs.JcrFileSystem;
  26 import org.argeo.jcr.fs.JcrFileSystemProvider;
  27 import org.argeo.jcr.fs.JcrFsException;
  28
  29 /** Implementation of an {@link FileSystemProvider} based on Jackrabbit. */
  30 public class CmsJcrFsProvider extends AbstractJackrabbitFsProvider {
  31         private Map<String, CmsFileSystem> fileSystems = new HashMap<>();
  32
  33         private RepositoryFactory repositoryFactory;
  34         private Repository repository;
  35
  36         @Override
  37         public String getScheme() {
  38                 return CmsConstants.SCHEME_NODE;
  39         }
  40
  41         @Override
  42         public FileSystem newFileSystem(URI uri, Map<String, ?> env) throws IOException {
  43 //              BundleContext bc = FrameworkUtil.getBundle(CmsJcrFsProvider.class).getBundleContext();
  44                 String username = CurrentUser.getUsername();
  45                 if (username == null) {
  46                         // TODO deal with anonymous
  47                         return null;
  48                 }
  49                 if (fileSystems.containsKey(username))
  50                         throw new FileSystemAlreadyExistsException("CMS file system already exists for user " + username);
  51
  52                 try {
  53                         String host = uri.getHost();
  54                         if (host != null && !host.trim().equals("")) {
  55                                 URI repoUri = new URI("http", uri.getUserInfo(), uri.getHost(), uri.getPort(), "/jcr/node", null, null);
  56 //                              RepositoryFactory repositoryFactory = bc.getService(bc.getServiceReference(RepositoryFactory.class));
  57                                 Repository repository = CmsJcrUtils.getRepositoryByUri(repositoryFactory, repoUri.toString());
  58                                 CmsFileSystem fileSystem = new CmsFileSystem(this, repository);
  59                                 fileSystems.put(username, fileSystem);
  60                                 return fileSystem;
  61                         } else {
  62 //                              Repository repository = bc.getService(
  63 //                                              bc.getServiceReferences(Repository.class, "(cn=" + CmsConstants.EGO_REPOSITORY + ")")
  64 //                                                              .iterator().next());
  65
  66                                 // Session session = repository.login();
  67                                 CmsFileSystem fileSystem = new CmsFileSystem(this, repository);
  68                                 fileSystems.put(username, fileSystem);
  69                                 return fileSystem;
  70                         }
  71                 } catch (URISyntaxException e) {
  72                         throw new IllegalArgumentException("Cannot open file system " + uri + " for user " + username, e);
  73                 }
  74         }
  75
  76         @Override
  77         public FileSystem getFileSystem(URI uri) {
  78                 return currentUserFileSystem();
  79         }
  80
  81         @Override
  82         public Path getPath(URI uri) {
  83                 JcrFileSystem fileSystem = currentUserFileSystem();
  84                 String path = uri.getPath();
  85                 if (fileSystem == null)
  86                         try {
  87                                 fileSystem = (JcrFileSystem) newFileSystem(uri, new HashMap<String, Object>());
  88                         } catch (IOException e) {
  89                                 throw new JcrFsException("Could not autocreate file system", e);
  90                         }
  91                 return fileSystem.getPath(path);
  92         }
  93
  94         protected JcrFileSystem currentUserFileSystem() {
  95                 String username = CurrentUser.getUsername();
  96                 return fileSystems.get(username);
  97         }
  98
  99         public Node getUserHome(Repository repository) {
 100                 try {
 101                         Session session = repository.login(CmsConstants.HOME_WORKSPACE);
 102                         return CmsJcrUtils.getUserHome(session);
 103                 } catch (RepositoryException e) {
 104                         throw new IllegalStateException("Cannot get user home", e);
 105                 }
 106         }
 107
 108         public void setRepositoryFactory(RepositoryFactory repositoryFactory) {
 109                 this.repositoryFactory = repositoryFactory;
 110         }
 111
 112         public void setRepository(Repository repository) {
 113                 this.repository = repository;
 114         }
 115
 116         static class CmsFileSystem extends JcrFileSystem {
 117                 public CmsFileSystem(JcrFileSystemProvider provider, Repository repository) throws IOException {
 118                         super(provider, repository);
 119                 }
 120
 121                 public boolean skipNode(Node node) throws RepositoryException {
 122 //                      if (node.isNodeType(NodeType.NT_HIERARCHY_NODE) || node.isNodeType(NodeTypes.NODE_USER_HOME)
 123 //                                      || node.isNodeType(NodeTypes.NODE_GROUP_HOME))
 124                         if (node.isNodeType(NodeType.NT_HIERARCHY_NODE))
 125                                 return false;
 126                         // FIXME Better identifies home
 127                         if (node.hasProperty(Property.JCR_ID))
 128                                 return false;
 129                         return true;
 130                 }
 131
 132         }
 133 }