Index: lams_learning/src/java/org/lamsfoundation/lams/learning/export/web/action/ExportDownloadServlet.java
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RCS file: /usr/local/cvsroot/lams_learning/src/java/org/lamsfoundation/lams/learning/export/web/action/ExportDownloadServlet.java,v
diff -u
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ lams_learning/src/java/org/lamsfoundation/lams/learning/export/web/action/ExportDownloadServlet.java	20 Oct 2005 05:38:51 -0000	1.1
@@ -0,0 +1,107 @@
+/***************************************************************************
+* Copyright (C) 2005 LAMS Foundation (http://lamsfoundation.org)
+* =============================================================
+* 
+* This program is free software; you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation; either version 2 of the License, or
+* (at your option) any later version.
+* 
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+* 
+* You should have received a copy of the GNU General Public License
+* along with this program; if not, write to the Free Software
+* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
+* USA
+* 
+* http://www.gnu.org/licenses/gpl.txt
+* ***********************************************************************/
+
+/*
+ * Created on Oct 18, 2005
+ *
+ * TODO To change the template for this generated file go to
+ * Window - Preferences - Java - Code Style - Code Templates
+ */
+package org.lamsfoundation.lams.learning.export.web.action;
+
+
+import java.io.BufferedInputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.apache.log4j.Logger;
+import org.lamsfoundation.lams.learning.export.ExportPortfolioConstants;
+import org.lamsfoundation.lams.util.WebUtil;
+
+/**
+ * @author mtruong
+ *
+ */
+public class ExportDownloadServlet extends HttpServlet {
+
+    private static Logger log = Logger.getLogger(ExportDownloadServlet.class);
+	
+	
+	protected void doPost(HttpServletRequest request, HttpServletResponse response)
+	throws ServletException, IOException {
+		doGet(request, response);
+	}
+	
+	protected void doGet(HttpServletRequest request, HttpServletResponse response)
+	throws ServletException, IOException
+	{
+	  	    
+	    String zipFilename = WebUtil.readStrParam(request, ExportPortfolioConstants.PARAM_FILE_LOCATION);
+	    
+	    /* Extract taken from org.lamsfoundation.lams.contentrepository.client.Download servlet */
+		response.setContentType("application/zip");
+		response.setHeader("Content-Disposition","attachment;filename=" + ExportPortfolioConstants.ZIP_FILENAME);
+		
+		InputStream in = new BufferedInputStream(new FileInputStream(new File(constructAbsolutePath(zipFilename)))); 
+		OutputStream out = response.getOutputStream();
+		try {
+			int count = 0;
+				
+			int ch;
+			while ((ch = in.read()) != -1)
+			{
+				out.write((char) ch);
+				count++;
+			}
+			log.debug("Wrote out " + count + " bytes");
+			response.setContentLength(count);
+			out.flush();
+		} catch (IOException e) {
+		    log.error( "Exception occured writing out file:" + e.getMessage());		
+		    throw e;
+		} finally {
+		    try	{
+				if (in != null) in.close(); // very important
+				if (out != null) out.close();
+			}
+			catch (IOException e) {
+			    log.error("Error Closing file. File already written out - no exception being thrown.",e);
+			}
+		}
+		
+	
+	}
+	
+	private String constructAbsolutePath(String relativePath)
+	{
+	    return ExportPortfolioConstants.TEMP_DIRECTORY + relativePath;
+	}
+	
+}