X-Git-Url: http://git.argeo.org/?a=blobdiff_plain;f=swt%2Forg.argeo.tool.devops.e4%2Fsrc%2Forg%2Fargeo%2Fcms%2Fui%2Fjcr%2Fmodel%2FWorkspaceElem.java;fp=swt%2Forg.argeo.tool.devops.e4%2Fsrc%2Forg%2Fargeo%2Fcms%2Fui%2Fjcr%2Fmodel%2FWorkspaceElem.java;h=2d786669f8655e77f8412b79778017251baec43e;hb=825d60c5348dbe3f5be25b0bccf7bdebfe694219;hp=0000000000000000000000000000000000000000;hpb=5e991fff5cba01858dcc5747a27e637325bc5c8e;p=gpl%2Fargeo-jcr.git

diff --git a/swt/org.argeo.tool.devops.e4/src/org/argeo/cms/ui/jcr/model/WorkspaceElem.java b/swt/org.argeo.tool.devops.e4/src/org/argeo/cms/ui/jcr/model/WorkspaceElem.java
new file mode 100644
index 0000000..2d78666
--- /dev/null
+++ b/swt/org.argeo.tool.devops.e4/src/org/argeo/cms/ui/jcr/model/WorkspaceElem.java
@@ -0,0 +1,117 @@
+package org.argeo.cms.ui.jcr.model;
+
+import javax.jcr.AccessDeniedException;
+import javax.jcr.Node;
+import javax.jcr.NodeIterator;
+import javax.jcr.RepositoryException;
+import javax.jcr.Session;
+// import javax.jcr.Workspace;
+import javax.jcr.Workspace;
+
+import org.argeo.cms.ux.widgets.TreeParent;
+import org.argeo.eclipse.ui.EclipseUiException;
+import org.argeo.jcr.JcrUtils;
+
+/**
+ * UI Tree component. Wraps the root node of a JCR {@link Workspace}. It also
+ * keeps a reference to its parent {@link RepositoryElem}, to be able to
+ * retrieve alias of the current used repository
+ */
+public class WorkspaceElem extends TreeParent {
+	private Session session = null;
+
+	public WorkspaceElem(RepositoryElem parent, String name) {
+		this(parent, name, null);
+	}
+
+	public WorkspaceElem(RepositoryElem parent, String name, Session session) {
+		super(name);
+		this.session = session;
+		setParent(parent);
+	}
+
+	public synchronized Session getSession() {
+		return session;
+	}
+
+	public synchronized Node getRootNode() {
+		try {
+			if (session != null)
+				return session.getRootNode();
+			else
+				return null;
+		} catch (RepositoryException e) {
+			throw new EclipseUiException("Cannot get root node of workspace " + getName(), e);
+		}
+	}
+
+	public synchronized void login() {
+		try {
+			session = ((RepositoryElem) getParent()).repositoryLogin(getName());
+		} catch (RepositoryException e) {
+			throw new EclipseUiException("Cannot connect to repository " + getName(), e);
+		}
+	}
+
+	public Boolean isConnected() {
+		if (session != null && session.isLive())
+			return true;
+		else
+			return false;
+	}
+
+	@Override
+	public synchronized void dispose() {
+		logout();
+		super.dispose();
+	}
+
+	/** Logouts the session, does not nothing if there is no live session. */
+	public synchronized void logout() {
+		clearChildren();
+		JcrUtils.logoutQuietly(session);
+		session = null;
+	}
+
+	@Override
+	public synchronized boolean hasChildren() {
+		try {
+			if (isConnected())
+				try {
+					return session.getRootNode().hasNodes();
+				} catch (AccessDeniedException e) {
+					// current user may not have access to the root node
+					return false;
+				}
+			else
+				return false;
+		} catch (RepositoryException re) {
+			throw new EclipseUiException("Unexpected error while checking children node existence", re);
+		}
+	}
+
+	/** Override normal behaviour to initialize display of the workspace */
+	@Override
+	public synchronized Object[] getChildren() {
+		if (isLoaded()) {
+			return super.getChildren();
+		} else {
+			// initialize current object
+			try {
+				Node rootNode;
+				if (session == null)
+					return null;
+				else
+					rootNode = session.getRootNode();
+				NodeIterator ni = rootNode.getNodes();
+				while (ni.hasNext()) {
+					Node node = ni.nextNode();
+					addChild(new SingleJcrNodeElem(this, node, node.getName()));
+				}
+				return super.getChildren();
+			} catch (RepositoryException e) {
+				throw new EclipseUiException("Cannot initialize WorkspaceNode UI object." + getName(), e);
+			}
+		}
+	}
+}