--- /dev/null
+/*
+ * 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 java.io.File;
+import java.io.IOException;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.apache.commons.io.FileUtils;
+import org.argeo.ArgeoException;
+import org.eclipse.rap.rwt.service.ServiceHandler;
+
+/** Provide a basic handler that returns a file from the file system in Rap. */
+public class FileDownloadServiceHandler implements ServiceHandler {
+ private final String downloadServicehandlerId;
+ public final static String PARAM_FILE_NAME = "param.fileName";
+ public final static String PARAM_FILE_PATH = "param.filePath";
+
+ public FileDownloadServiceHandler(String downloadServicehandlerId) {
+ this.downloadServicehandlerId = downloadServicehandlerId;
+ }
+
+ public void service(HttpServletRequest request, HttpServletResponse response)
+ throws IOException, ServletException {
+ String fileName = request.getParameter(PARAM_FILE_NAME);
+ String path = request.getParameter(PARAM_FILE_PATH);
+
+ // Get the file
+ File file = new File(path);
+
+ // Send the Metadata
+ response.setContentType("application/octet-stream");
+ response.setContentLength((int) file.length());
+ String contentDisposition = "attachment; filename=\"" + fileName + "\"";
+ response.setHeader("Content-Disposition", contentDisposition);
+
+ try {
+ response.getOutputStream().write(
+ FileUtils.readFileToByteArray(new File(path)));
+ } catch (IOException ioe) {
+ throw new ArgeoException("Error while writing the file " + fileName
+ + " to the servlet response", ioe);
+ }
+ }
+
+ public String getDownloadServiceHandlerId(){
+ return downloadServicehandlerId;
+ }
+}
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