--- /dev/null
+package org.argeo.slc.client.ui.dist.model;
+
+import java.security.AccessControlException;
+
+import javax.jcr.Credentials;
+import javax.jcr.Node;
+import javax.jcr.Repository;
+import javax.jcr.RepositoryException;
+import javax.jcr.RepositoryFactory;
+import javax.jcr.Session;
+
+import org.argeo.jcr.ArgeoJcrUtils;
+import org.argeo.jcr.ArgeoNames;
+import org.argeo.jcr.JcrUtils;
+import org.argeo.slc.SlcException;
+import org.argeo.slc.repo.RepoConstants;
+import org.argeo.slc.repo.RepoUtils;
+import org.argeo.util.security.Keyring;
+
+/**
+ * Abstract a repository. It might be persisted by a node in the current user
+ * home Node or just an URI and a label if user is anonymous
+ */
+public class RepoElem extends DistParentElem {
+ // private final static Log log = LogFactory.getLog(RepoElem.class);
+
+ private RepositoryFactory repositoryFactory;
+ private Keyring keyring;
+ private Credentials credentials;
+ private Session defaultSession = null;
+
+ // Defines current repo
+ private Node repoNode = null;
+ private String label;
+ private String uri;
+
+ private Repository repository;
+
+ /**
+ * Creates a RepoElement for anonymous user. The {@code RepositoryFactory}
+ * is used to enable lazy initialisation
+ */
+ public RepoElem(RepositoryFactory repoFactory, String uri, String label) {
+ super(label);
+ this.repositoryFactory = repoFactory;
+ this.uri = uri;
+ this.label = label;
+ }
+
+ /**
+ * Creates a RepoElement for an authenticated user. The
+ * {@code RepositoryFactory} and {@code Keyring} are used to enable lazy
+ * initialisation
+ *
+ */
+ public RepoElem(RepositoryFactory repoFactory, Keyring keyring,
+ Node repoNode, String alias) {
+ super(alias);
+ this.label = alias;
+ // label = repoNode.isNodeType(NodeType.MIX_TITLE) ? repoNode
+ // .getProperty(Property.JCR_TITLE).getString() : repoNode
+ // .getName();
+ this.repoNode = repoNode;
+ this.repositoryFactory = repoFactory;
+ this.keyring = keyring;
+ try {
+ // Initialize this repo information
+ setInHome(RepoConstants.DEFAULT_JAVA_REPOSITORY_ALIAS
+ .equals(repoNode.getName()));
+ if (inHome())
+ // Directly log and retrieve children for local repository
+ login();
+ else
+ setReadOnly(!repoNode.hasNode(ArgeoNames.ARGEO_PASSWORD));
+ uri = JcrUtils.get(repoNode, ArgeoNames.ARGEO_URI);
+ } catch (RepositoryException e) {
+ throw new SlcException("Unable to " + "initialize repo element", e);
+ }
+ }
+
+ /** Effective login. Does nothing if the session is already there. */
+ public void login() {
+ if (isConnected())
+ return;
+
+ if (repository == null)
+ if (repoNode == null)
+ // Anonymous
+ repository = ArgeoJcrUtils.getRepositoryByUri(
+ repositoryFactory, uri);
+ else {
+ repository = RepoUtils.getRepository(repositoryFactory,
+ keyring, repoNode);
+ credentials = RepoUtils.getRepositoryCredentials(keyring,
+ repoNode);
+ }
+
+ try {
+ defaultSession = repository.login(credentials);
+ refreshChildren();
+ } catch (RepositoryException e) {
+ throw new SlcException("Cannot login repository " + label
+ + " with credential " + credentials, e);
+ }
+ }
+
+ protected void refreshChildren() {
+ try {
+ // TODO also remove deleted children (only adds for the time being
+ String[] workspaceNames = defaultSession.getWorkspace()
+ .getAccessibleWorkspaceNames();
+ buildWksp: for (String workspaceName : workspaceNames) {
+ if (!isWorkspaceVisible(workspaceName))
+ continue buildWksp;
+
+ String prefix = getPrefix(workspaceName);
+ if (getChildByName(prefix) == null) {
+ WkspGroupElem wkspGpElem = new WkspGroupElem(RepoElem.this,
+ prefix);
+ addChild(wkspGpElem);
+ }
+ }
+ } catch (RepositoryException e) {
+ throw new SlcException("Cannot list workspaces for " + repoNode, e);
+ }
+ }
+
+ @Override
+ public synchronized void dispose() {
+ JcrUtils.logoutQuietly(defaultSession);
+ super.dispose();
+ }
+
+ private String getPrefix(String workspaceName) {
+ // Here is the tricks - we rely on a "hard coded" convention
+ // Workspace name should be like: name-major.minor
+ if (workspaceName.lastIndexOf(VERSION_SEP) > 0)
+ return workspaceName.substring(0,
+ workspaceName.lastIndexOf(VERSION_SEP));
+ else
+ return workspaceName;
+ }
+
+ /* Exposes this to the children workspace group */
+ protected boolean isWorkspaceVisible(String wkspName) {
+ Boolean result = true;
+ if (ARGEO_SYSTEM_WKSP.contains(wkspName))
+ return false;
+ // Add a supplementary check to hide workspace that are not
+ // public to anonymous user
+ if (repoNode == null) {
+ Session tmpSession = null;
+ try {
+ tmpSession = repository.login(wkspName);
+ try {
+ tmpSession.checkPermission("/", "read");
+ } catch (AccessControlException e) {
+ result = false;
+ }
+ } catch (RepositoryException e) {
+ throw new SlcException(
+ "Cannot list workspaces for anonymous user", e);
+ } finally {
+ JcrUtils.logoutQuietly(tmpSession);
+ }
+ }
+ return result;
+ }
+
+ /**
+ * Actual call to the
+ * {@link Repository#login(javax.jcr.Credentials, String)} method. To be
+ * overridden.
+ *
+ * Creates a new session with correct credentials using the information
+ * contained in the corresponding repo node. It provides all UI children
+ * elements an unique entry point to retrieve a new Session. Caller must
+ * close the session when it is not in use anymore.
+ *
+ */
+ protected Session repositoryLogin(String workspaceName) {
+ try {
+ return repository.login(credentials, workspaceName);
+ } catch (RepositoryException e) {
+ throw new SlcException("Cannot login repository " + label
+ + " with credential " + credentials, e);
+ }
+ }
+
+ public Boolean isConnected() {
+ if (defaultSession != null && defaultSession.isLive())
+ return true;
+ else
+ return false;
+ }
+
+ /** Exposes URI to the current repository */
+ public String getUri() {
+ return uri;
+ }
+
+ public String getRepoNodePath() {
+ if (repoNode == null)
+ return null;
+ else
+ try {
+ return repoNode.getPath();
+ } catch (RepositoryException e) {
+ throw new SlcException("Cannot get node path for repository "
+ + label, e);
+ }
+ }
+
+ /**
+ * Exposes the local repoNode that completely define a connection to a
+ * repository (including a set of credentials). Might return null in case of
+ * an anonymous user
+ */
+ protected Node getRepoNode() {
+ return repoNode;
+ }
+
+ protected Repository getRepository() {
+ return repository;
+ }
+
+ protected Credentials getCredentials() {
+ return credentials;
+ }
+
+ // META INFO
+ public String getDescription() {
+ String desc = label;
+ if (repoNode != null)
+ desc = label + " (" + uri + ")";
+ return desc;
+ }
+
+ public String getLabel() {
+ return label;
+ }
+
+ public String toString() {
+ return repoNode != null ? repoNode.toString() : label;
+ }
+}
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projects / gpl / argeo-slc.git / blobdiff