X-Git-Url: http://git.argeo.org/?a=blobdiff_plain;f=base%2Fruntime%2Forg.argeo.eclipse.ui.rap%2Fsrc%2Fmain%2Fjava%2Forg%2Fargeo%2Feclipse%2Fui%2Fspecific%2FFileDownloadService.java;fp=base%2Fruntime%2Forg.argeo.eclipse.ui.rap%2Fsrc%2Fmain%2Fjava%2Forg%2Fargeo%2Feclipse%2Fui%2Fspecific%2FFileDownloadService.java;h=e5eb8fcae846a4d2e62f0caf7756b82605b8df4f;hb=621ccf3d8ac1cac5b617d9e31161eee75f730713;hp=0000000000000000000000000000000000000000;hpb=c88e6afe57bf577949bd091a2e26471b957efa5e;p=lgpl%2Fargeo-commons.git

diff --git a/base/runtime/org.argeo.eclipse.ui.rap/src/main/java/org/argeo/eclipse/ui/specific/FileDownloadService.java b/base/runtime/org.argeo.eclipse.ui.rap/src/main/java/org/argeo/eclipse/ui/specific/FileDownloadService.java
new file mode 100644
index 000000000..e5eb8fcae
--- /dev/null
+++ b/base/runtime/org.argeo.eclipse.ui.rap/src/main/java/org/argeo/eclipse/ui/specific/FileDownloadService.java
@@ -0,0 +1,59 @@
+/*
+ * 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 FileDownloadService implements ServiceHandler {
+	public final static String PARAM_FILE_NAME = "param.fileName";
+	public final static String PARAM_FILE_PATH = "param.filePath";
+	
+	public FileDownloadService() {
+	}
+
+	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);
+		}
+	}
+}
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