]>
git.argeo.org Git - lgpl/argeo-commons.git/blob - base/runtime/org.argeo.eclipse.ui.rap/src/main/java/org/argeo/eclipse/ui/specific/OpenFile.java
2 * Copyright (C) 2007-2012 Argeo GmbH
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
16 package org
.argeo
.eclipse
.ui
.specific
;
18 import org
.apache
.commons
.logging
.Log
;
19 import org
.apache
.commons
.logging
.LogFactory
;
20 import org
.eclipse
.core
.commands
.AbstractHandler
;
21 import org
.eclipse
.core
.commands
.ExecutionEvent
;
22 import org
.eclipse
.core
.commands
.ExecutionException
;
23 import org
.eclipse
.rap
.rwt
.RWT
;
24 import org
.eclipse
.rap
.rwt
.client
.service
.UrlLauncher
;
27 * Rap specific command handler to open a file retrieved from the server. It
28 * forwards the request to the correct service after encoding file name and path
31 * The parameter "URI" is used to determine the correct file service, the path
32 * and the file name. An optional file name can be precised to present a
33 * different file name as the one used to retrieve it to the end user/
35 * Various instances of this handler with different command ID might coexist in
36 * order to provide context specific download service.
38 * The instance specific service is called by its ID and must have been
41 public class OpenFile
extends AbstractHandler
{
42 private final static Log log
= LogFactory
.getLog(OpenFile
.class);
44 /* DEPENDENCY INJECTION */
45 private String openFileServiceId
;
47 public final static String PARAM_FILE_NAME
= OpenFileService
.PARAM_FILE_NAME
;
48 public final static String PARAM_FILE_URI
= OpenFileService
.PARAM_FILE_URI
; // "param.fileURI";
50 public Object
execute(ExecutionEvent event
) throws ExecutionException
{
51 String fileName
= event
.getParameter(PARAM_FILE_NAME
);
52 String fileUri
= event
.getParameter(PARAM_FILE_URI
);
55 if (fileUri
== null || "".equals(fileUri
.trim())
56 || openFileServiceId
== null
57 || "".equals(openFileServiceId
.trim()))
60 StringBuilder url
= new StringBuilder();
61 url
.append(RWT
.getServiceManager().getServiceHandlerUrl(
64 url
.append("&").append(PARAM_FILE_NAME
).append("=");
66 url
.append("&").append(PARAM_FILE_URI
).append("=");
69 String downloadUrl
= url
.toString();
70 if (log
.isTraceEnabled())
71 log
.debug("URL : " + downloadUrl
);
73 UrlLauncher launcher
= RWT
.getClient().getService(UrlLauncher
.class);
74 launcher
.openURL(downloadUrl
);
76 // These lines are useless in the current use case but might be
77 // necessary with new browsers. Stored here for memo
78 // response.setContentType("application/force-download");
79 // response.setHeader("Content-Disposition", contentDisposition);
80 // response.setHeader("Content-Transfer-Encoding", "binary");
81 // response.setHeader("Pragma", "no-cache");
82 // response.setHeader("Cache-Control", "no-cache, must-revalidate");
86 /* DEPENDENCY INJECTION */
87 public void setOpenFileServiceId(String openFileServiceId
) {
88 this.openFileServiceId
= openFileServiceId
;