Continue framework clean up.

[lgpl/argeo-commons.git] / org.argeo.cms / src / org / argeo / cms / util / CmsUtils.java

diff --git a/org.argeo.cms/src/org/argeo/cms/util/CmsUtils.java b/org.argeo.cms/src/org/argeo/cms/util/CmsUtils.java
index d8cd171e2d0441e1bcb0f62352314b3ea6cb95d2..3a9337a114929d2b26f6eecc791d494fdbfd08bd 100644 (file)
--- a/org.argeo.cms/src/org/argeo/cms/util/CmsUtils.java
+++ b/org.argeo.cms/src/org/argeo/cms/util/CmsUtils.java
@@ -1,16 +1,27 @@
 package org.argeo.cms.util;
 
+import static org.argeo.cms.internal.kernel.KernelConstants.WEBDAV_PRIVATE;
+import static org.argeo.cms.internal.kernel.KernelConstants.WEBDAV_PUBLIC;
+import static org.argeo.jcr.ArgeoJcrConstants.ALIAS_NODE;
+
 import java.io.InputStream;
+import java.net.MalformedURLException;
+import java.net.URL;
 
 import javax.jcr.Item;
 import javax.jcr.Node;
 import javax.jcr.Property;
 import javax.jcr.RepositoryException;
+import javax.servlet.http.HttpServletRequest;
 
 import org.apache.commons.io.IOUtils;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
 import org.argeo.cms.CmsConstants;
 import org.argeo.cms.CmsException;
 import org.argeo.cms.CmsView;
+import org.argeo.cms.auth.CurrentUser;
+import org.argeo.eclipse.ui.specific.UiContext;
 import org.argeo.jcr.JcrUtils;
 import org.eclipse.rap.rwt.RWT;
 import org.eclipse.rap.rwt.service.ResourceManager;
@@ -29,15 +40,66 @@ import org.eclipse.swt.widgets.Widget;
 
 /** Static utilities for the CMS framework. */
 public class CmsUtils implements CmsConstants {
-       /** The CMS view related to this display. */
+       private final static Log log = LogFactory.getLog(CmsUtils.class);
+
+       /**
+        * The CMS view related to this display, or null if none is available from
+        * this call.
+        */
        public static CmsView getCmsView() {
-               Display display = Display.getCurrent();
-               if (display == null)
-                       throw new CmsException("No display available");
-               CmsView cmsView = (CmsView) display.getData(CmsView.KEY);
-               if (cmsView == null)
-                       throw new CmsException("No CMS view available");
-               return cmsView;
+               return UiContext.getData(CmsView.KEY);
+       }
+
+       public static StringBuilder getServerBaseUrl(HttpServletRequest request) {
+               try {
+                       URL url = new URL(request.getRequestURL().toString());
+                       StringBuilder buf = new StringBuilder();
+                       buf.append(url.getProtocol()).append("://").append(url.getHost());
+                       if (url.getPort() != -1)
+                               buf.append(':').append(url.getPort());
+                       return buf;
+               } catch (MalformedURLException e) {
+                       throw new CmsException("Cannot extract server base URL from "
+                                       + request.getRequestURL(), e);
+               }
+       }
+
+       public static String getDataUrl(Node node, HttpServletRequest request)
+                       throws RepositoryException {
+               try {
+                       StringBuilder buf = getServerBaseUrl(request);
+                       buf.append(getDataPath(node));
+                       return new URL(buf.toString()).toString();
+               } catch (MalformedURLException e) {
+                       throw new CmsException("Cannot build data URL for " + node, e);
+               }
+       }
+
+       public static String getDataPath(Node node) throws RepositoryException {
+               if (log.isTraceEnabled())
+                       log.trace(CurrentUser.getUsername() + " : " + node.getPath());
+               StringBuilder buf = new StringBuilder();
+               if (CurrentUser.isAnonymous())
+                       buf.append(WEBDAV_PUBLIC);
+               else
+                       buf.append(WEBDAV_PRIVATE);
+               // TODO convey repo alias vie repository properties
+               return buf.append('/').append(ALIAS_NODE).append('/')
+                               .append(node.getSession().getWorkspace().getName())
+                               .append(node.getPath()).toString();
+       }
+
+       public static String getCanonicalUrl(Node node, HttpServletRequest request)
+                       throws RepositoryException {
+               try {
+                       StringBuilder buf = getServerBaseUrl(request);
+                       buf.append('/').append('!').append(node.getPath());
+                       return new URL(buf.toString()).toString();
+               } catch (MalformedURLException e) {
+                       throw new CmsException("Cannot build data URL for " + node, e);
+               }
+               // return request.getRequestURL().append('!').append(node.getPath())
+               // .toString();
        }
 
        /** @deprecated Use rowData16px() instead. GridData should not be reused. */