Code move and initial build

[gpl/argeo-jcr.git] / org.argeo.cms.jcr / src / org / argeo / cms / jcr / internal / CmsJcrFsProvider.java

diff --git a/org.argeo.cms.jcr/src/org/argeo/cms/jcr/internal/CmsJcrFsProvider.java b/org.argeo.cms.jcr/src/org/argeo/cms/jcr/internal/CmsJcrFsProvider.java
new file mode 100644 (file)
index 0000000..0099b3b
--- /dev/null
+++ b/org.argeo.cms.jcr/src/org/argeo/cms/jcr/internal/CmsJcrFsProvider.java
@@ -0,0 +1,133 @@
+package org.argeo.cms.jcr.internal;
+
+import java.io.IOException;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.nio.file.FileSystem;
+import java.nio.file.FileSystemAlreadyExistsException;
+import java.nio.file.Path;
+import java.nio.file.spi.FileSystemProvider;
+import java.util.HashMap;
+import java.util.Map;
+
+import javax.jcr.Node;
+import javax.jcr.Property;
+import javax.jcr.Repository;
+import javax.jcr.RepositoryException;
+import javax.jcr.RepositoryFactory;
+import javax.jcr.Session;
+import javax.jcr.nodetype.NodeType;
+
+import org.argeo.api.cms.CmsConstants;
+import org.argeo.cms.auth.CurrentUser;
+import org.argeo.cms.jcr.CmsJcrUtils;
+import org.argeo.jackrabbit.fs.AbstractJackrabbitFsProvider;
+import org.argeo.jcr.fs.JcrFileSystem;
+import org.argeo.jcr.fs.JcrFileSystemProvider;
+import org.argeo.jcr.fs.JcrFsException;
+
+/** Implementation of an {@link FileSystemProvider} based on Jackrabbit. */
+public class CmsJcrFsProvider extends AbstractJackrabbitFsProvider {
+       private Map<String, CmsFileSystem> fileSystems = new HashMap<>();
+
+       private RepositoryFactory repositoryFactory;
+       private Repository repository;
+
+       @Override
+       public String getScheme() {
+               return CmsConstants.SCHEME_NODE;
+       }
+
+       @Override
+       public FileSystem newFileSystem(URI uri, Map<String, ?> env) throws IOException {
+//             BundleContext bc = FrameworkUtil.getBundle(CmsJcrFsProvider.class).getBundleContext();
+               String username = CurrentUser.getUsername();
+               if (username == null) {
+                       // TODO deal with anonymous
+                       return null;
+               }
+               if (fileSystems.containsKey(username))
+                       throw new FileSystemAlreadyExistsException("CMS file system already exists for user " + username);
+
+               try {
+                       String host = uri.getHost();
+                       if (host != null && !host.trim().equals("")) {
+                               URI repoUri = new URI("http", uri.getUserInfo(), uri.getHost(), uri.getPort(), "/jcr/node", null, null);
+//                             RepositoryFactory repositoryFactory = bc.getService(bc.getServiceReference(RepositoryFactory.class));
+                               Repository repository = CmsJcrUtils.getRepositoryByUri(repositoryFactory, repoUri.toString());
+                               CmsFileSystem fileSystem = new CmsFileSystem(this, repository);
+                               fileSystems.put(username, fileSystem);
+                               return fileSystem;
+                       } else {
+//                             Repository repository = bc.getService(
+//                                             bc.getServiceReferences(Repository.class, "(cn=" + CmsConstants.EGO_REPOSITORY + ")")
+//                                                             .iterator().next());
+
+                               // Session session = repository.login();
+                               CmsFileSystem fileSystem = new CmsFileSystem(this, repository);
+                               fileSystems.put(username, fileSystem);
+                               return fileSystem;
+                       }
+               } catch (URISyntaxException e) {
+                       throw new IllegalArgumentException("Cannot open file system " + uri + " for user " + username, e);
+               }
+       }
+
+       @Override
+       public FileSystem getFileSystem(URI uri) {
+               return currentUserFileSystem();
+       }
+
+       @Override
+       public Path getPath(URI uri) {
+               JcrFileSystem fileSystem = currentUserFileSystem();
+               String path = uri.getPath();
+               if (fileSystem == null)
+                       try {
+                               fileSystem = (JcrFileSystem) newFileSystem(uri, new HashMap<String, Object>());
+                       } catch (IOException e) {
+                               throw new JcrFsException("Could not autocreate file system", e);
+                       }
+               return fileSystem.getPath(path);
+       }
+
+       protected JcrFileSystem currentUserFileSystem() {
+               String username = CurrentUser.getUsername();
+               return fileSystems.get(username);
+       }
+
+       public Node getUserHome(Repository repository) {
+               try {
+                       Session session = repository.login(CmsConstants.HOME_WORKSPACE);
+                       return CmsJcrUtils.getUserHome(session);
+               } catch (RepositoryException e) {
+                       throw new IllegalStateException("Cannot get user home", e);
+               }
+       }
+
+       public void setRepositoryFactory(RepositoryFactory repositoryFactory) {
+               this.repositoryFactory = repositoryFactory;
+       }
+
+       public void setRepository(Repository repository) {
+               this.repository = repository;
+       }
+
+       static class CmsFileSystem extends JcrFileSystem {
+               public CmsFileSystem(JcrFileSystemProvider provider, Repository repository) throws IOException {
+                       super(provider, repository);
+               }
+
+               public boolean skipNode(Node node) throws RepositoryException {
+//                     if (node.isNodeType(NodeType.NT_HIERARCHY_NODE) || node.isNodeType(NodeTypes.NODE_USER_HOME)
+//                                     || node.isNodeType(NodeTypes.NODE_GROUP_HOME))
+                       if (node.isNodeType(NodeType.NT_HIERARCHY_NODE))
+                               return false;
+                       // FIXME Better identifies home
+                       if (node.hasProperty(Property.JCR_ID))
+                               return false;
+                       return true;
+               }
+
+       }
+}