Clarify SLC project structure.

[gpl/argeo-slc.git] / cms / org.argeo.slc.client.rap / src / org / argeo / slc / client / ui / specific / OpenJcrFile.java

diff --git a/cms/org.argeo.slc.client.rap/src/org/argeo/slc/client/ui/specific/OpenJcrFile.java b/cms/org.argeo.slc.client.rap/src/org/argeo/slc/client/ui/specific/OpenJcrFile.java
new file mode 100644 (file)
index 0000000..8876a15
--- /dev/null
+++ b/cms/org.argeo.slc.client.rap/src/org/argeo/slc/client/ui/specific/OpenJcrFile.java
@@ -0,0 +1,102 @@
+package org.argeo.slc.client.ui.specific;
+
+import java.net.URL;
+import java.util.UUID;
+
+import javax.jcr.Node;
+import javax.jcr.Session;
+
+import org.argeo.slc.SlcException;
+import org.argeo.slc.client.rap.OpenJcrFileService;
+import org.argeo.slc.repo.RepoService;
+import org.eclipse.core.commands.AbstractHandler;
+import org.eclipse.core.commands.ExecutionEvent;
+import org.eclipse.core.commands.ExecutionException;
+import org.eclipse.rap.rwt.RWT;
+//import org.eclipse.rap.rwt.service.IServiceHandler;
+//import org.eclipse.rap.rwt.service.IServiceManager;
+import org.eclipse.ui.PlatformUI;
+
+/**
+ * Rap specific command handler to open a file retrieved from a distant JCR
+ * Repository. It creates and register a service instantiated with the
+ * corresponding JCR node, forwards the request, and un register the service on
+ * dispose
+ * 
+ * This command and the corresponding service are specific for RAP version [1.3,
+ * 2)
+ */
+public class OpenJcrFile extends AbstractHandler {
+
+       // Use (new OpenJcrFileCmdId()).getCmdId() instead.
+       // public final String ID = SlcRapPlugin.PLUGIN_ID + ".openJcrFile";
+       
+       public final static String PARAM_REPO_NODE_PATH = "param.repoNodePath";
+       public final static String PARAM_REPO_URI = "param.repoUri";
+       public final static String PARAM_WORKSPACE_NAME = "param.workspaceName";
+       public final static String PARAM_FILE_PATH = "param.filePath";
+
+       private RepoService repoService;
+       private String currentServiceId;
+
+       public Object execute(ExecutionEvent event) throws ExecutionException {
+
+               String repoNodePath = event.getParameter(PARAM_REPO_NODE_PATH);
+               String repoUri = event.getParameter(PARAM_REPO_URI);
+               String wkspName = event.getParameter(PARAM_WORKSPACE_NAME);
+               String filePath = event.getParameter(PARAM_FILE_PATH);
+
+               // TODO sanity check
+               if (filePath == null || "".equals(filePath.trim()))
+                       return null;
+               Session businessSession = null;
+               try {
+                       businessSession = repoService.getRemoteSession(repoNodePath,
+                                       repoUri, wkspName);
+                       Node result = businessSession.getNode(filePath);
+
+                       // Create a temporary service. No better solution has been found
+                       // yet.
+                       currentServiceId = UUID.randomUUID().toString();
+                       OpenJcrFileService ojfs = new OpenJcrFileService(result);
+                       // FIXME replace it
+//                     IServiceManager manager = RWT.getServiceManager();
+//                     manager.registerServiceHandler(currentServiceId, ojfs);
+                       String urlStr = createFullDownloadUrl(currentServiceId);
+                       URL url = new URL(urlStr);
+                       PlatformUI.getWorkbench().getBrowserSupport()
+                                       .createBrowser("DownloadDialog").openURL(url);
+               } catch (Exception e) {
+                       throw new SlcException("Unable to open Jcr File for path "
+                                       + filePath, e);
+               }
+
+               return null;
+       }
+
+       @Override
+       public void dispose() {
+//             IServiceManager manager = RWT.getServiceManager();
+//             manager.unregisterServiceHandler(currentServiceId);
+               super.dispose();
+       }
+
+       private String createFullDownloadUrl(String serviceId) {
+               StringBuilder url = new StringBuilder();
+               url.append(RWT.getRequest().getRequestURL());
+
+               StringBuilder params = new StringBuilder();
+               params.append("?");
+               // FIXME commented out so that it builds
+               //params.append(IServiceHandler.REQUEST_PARAM).append("=");
+               params.append(serviceId);
+               String encodedURL = RWT.getResponse().encodeURL(params.toString());
+               url.append(encodedURL);
+               return url.toString();
+       }
+
+       /* Dependency Injection */
+       public void setRepoService(RepoService repoService) {
+               this.repoService = repoService;
+       }
+}
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