Move to the root the bundles which will be part of v1.4 and v2.2

[lgpl/argeo-commons.git] / org.argeo.eclipse.ui.rap / src / main / java / org / argeo / eclipse / ui / specific / FileHandler.java

diff --git a/org.argeo.eclipse.ui.rap/src/main/java/org/argeo/eclipse/ui/specific/FileHandler.java b/org.argeo.eclipse.ui.rap/src/main/java/org/argeo/eclipse/ui/specific/FileHandler.java
new file mode 100644 (file)
index 0000000..927747e
--- /dev/null
+++ b/org.argeo.eclipse.ui.rap/src/main/java/org/argeo/eclipse/ui/specific/FileHandler.java
@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2007-2012 Argeo GmbH
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.argeo.eclipse.ui.specific;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.argeo.ArgeoException;
+import org.eclipse.rap.rwt.RWT;
+import org.eclipse.rap.rwt.client.service.UrlLauncher;
+import org.eclipse.rap.rwt.service.ServiceHandler;
+
+/**
+ * RAP SPECIFIC handler to enable the opening of a download dialog box triggered
+ * by whatever action in the UI
+ * 
+ * Manages the registration of the effective DownloadServiceHandler at
+ * instantiation time.
+ * 
+ * Manages the process of forwarding the request to the handler at runtime to
+ * open the dialog box encodedURL
+ */
+@Deprecated
+public class FileHandler {
+       public final static String DOWNLOAD_SERVICE_NAME = "argeo.rap.download.service";
+       private final static Log log = LogFactory.getLog(FileHandler.class);
+
+       public FileHandler(FileProvider provider) {
+               ServiceHandler handler = new DownloadServiceHandler(provider);
+               try {
+                       RWT.getServiceManager().registerServiceHandler(
+                                       DOWNLOAD_SERVICE_NAME, handler);
+               } catch (IllegalArgumentException iae) {
+                       log.warn("Handler is already registered, clean this registering process");
+               }
+       }
+
+       public void openFile(String fileName, String fileId) {
+               try {
+                       String downloadUrl = RWT.getServiceManager().getServiceHandlerUrl(
+                                       DOWNLOAD_SERVICE_NAME)
+                                       + createParamUrl(fileName, fileId);
+                       if (log.isTraceEnabled())
+                               log.debug("URL : " + downloadUrl);
+                       UrlLauncher launcher = RWT.getClient()
+                                       .getService(UrlLauncher.class);
+                       launcher.openURL(downloadUrl);
+               } catch (Exception e) {
+                       throw new ArgeoException("Unable to open file " + fileName, e);
+               }
+               // These lines are useless in the current use case but might be
+               // necessary with new browsers. Stored here for memo
+               // response.setContentType("application/force-download");
+               // response.setHeader("Content-Disposition", contentDisposition);
+               // response.setHeader("Content-Transfer-Encoding", "binary");
+               // response.setHeader("Pragma", "no-cache");
+               // response.setHeader("Cache-Control", "no-cache, must-revalidate");
+       }
+
+       private String createParamUrl(String filename, String fileId) {
+               StringBuilder url = new StringBuilder();
+               url.append("&filename=");
+               url.append(filename);
+               url.append("&fileid=");
+               url.append(fileId);
+               return url.toString();
+       }
+}
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