X-Git-Url: https://git.argeo.org/?a=blobdiff_plain;f=org.argeo.cms%2Fsrc%2Forg%2Fargeo%2Fcms%2Futil%2FCmsUtils.java;h=3a9337a114929d2b26f6eecc791d494fdbfd08bd;hb=871dd95ada4cf946c8d51d3a2546c817238ad08c;hp=5d31e2c51f0d68639fe64234a69027249e82f5e2;hpb=60e8274d08b93c5dbb46a2fc2a4f8b1a0d18c0ed;p=lgpl%2Fargeo-commons.git

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 5d31e2c51..3a9337a11 100644
--- a/org.argeo.cms/src/org/argeo/cms/util/CmsUtils.java
+++ b/org.argeo.cms/src/org/argeo/cms/util/CmsUtils.java
@@ -1,15 +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;
@@ -28,6 +40,68 @@ import org.eclipse.swt.widgets.Widget;
 
 /** Static utilities for the CMS framework. */
 public class CmsUtils implements CmsConstants {
+	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() {
+		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. */
 	@Deprecated
 	public static RowData ROW_DATA_16px = new RowData(16, 16);
@@ -65,10 +139,12 @@ public class CmsUtils implements CmsConstants {
 		return new RowData(16, 16);
 	}
 
+	/** Style widget */
 	public static void style(Widget widget, String style) {
 		widget.setData(CmsConstants.STYLE, style);
 	}
 
+	/** Enable markups on widget */
 	public static void markup(Widget widget) {
 		widget.setData(CmsConstants.MARKUP, true);
 	}