Index: lams_central/src/java/org/lamsfoundation/lams/webservice/xml/LearningDesignRepositoryServlet.java
===================================================================
diff -u -rc2a96caab480d04c02dc7a90e719fc0bb9af6a50 -r1ed58a0c7e540a027d04adadde8eb5b2a5b623fa
--- lams_central/src/java/org/lamsfoundation/lams/webservice/xml/LearningDesignRepositoryServlet.java	(.../LearningDesignRepositoryServlet.java)	(revision c2a96caab480d04c02dc7a90e719fc0bb9af6a50)
+++ lams_central/src/java/org/lamsfoundation/lams/webservice/xml/LearningDesignRepositoryServlet.java	(.../LearningDesignRepositoryServlet.java)	(revision 1ed58a0c7e540a027d04adadde8eb5b2a5b623fa)
@@ -1,8 +1,14 @@
 package org.lamsfoundation.lams.webservice.xml;
 
+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 java.io.PrintWriter;
 import java.io.StringWriter;
+import java.util.ArrayList;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Vector;
@@ -28,10 +34,14 @@
 import org.lamsfoundation.lams.integration.security.Authenticator;
 import org.lamsfoundation.lams.integration.service.IntegrationService;
 import org.lamsfoundation.lams.integration.util.LoginRequestDispatcher;
+import org.lamsfoundation.lams.learningdesign.service.ExportToolContentException;
+import org.lamsfoundation.lams.learningdesign.service.IExportToolContentService;
 import org.lamsfoundation.lams.usermanagement.WorkspaceFolder;
 import org.lamsfoundation.lams.usermanagement.exception.UserAccessDeniedException;
 import org.lamsfoundation.lams.util.CentralConstants;
+import org.lamsfoundation.lams.util.FileUtil;
 import org.lamsfoundation.lams.util.MessageService;
+import org.lamsfoundation.lams.util.WebUtil;
 import org.lamsfoundation.lams.workspace.dto.FolderContentDTO;
 import org.lamsfoundation.lams.workspace.service.IWorkspaceManagementService;
 import org.lamsfoundation.lams.workspace.web.WorkspaceAction;
@@ -41,337 +51,381 @@
 
 public class LearningDesignRepositoryServlet extends HttpServlet {
 
-	private static Logger log = Logger
-			.getLogger(LearningDesignRepositoryServlet.class);
+    private static final long serialVersionUID = -4962711640290319063L;
 
-	private static IntegrationService integrationService = null;
+    private static Logger log = Logger.getLogger(LearningDesignRepositoryServlet.class);
 
-	private static IWorkspaceManagementService service = null;
+    private static IntegrationService integrationService = null;
 
-	private static MessageService msgService = null;
+    private static IWorkspaceManagementService service = null;
 
-	/**
-	 * Constructor of the object.
-	 */
-	public LearningDesignRepositoryServlet() {
-		super();
-	}
+    private static MessageService msgService = null;
 
-	/**
-	 * Destruction of the servlet. <br>
-	 */
-	public void destroy() {
-		super.destroy(); // Just puts "destroy" string in log
-		// Put your code here
-	}
+    private static IExportToolContentService exportToolContentService = null;
 
-	// TODO, this is common with the webservices class, we should move it from
-	// here.
-	private static class ContentTreeNode {
-		FolderContentDTO content;
+    private static final String PARAM_LEARING_DESIGN_ID = "learningDesignID";
+    private static final String PARAM_EXPORT_FORMAT = "format";
+    private static final String IMS_XSLT_NAME = "learning-design-ims.xslt";
+    private static final String IMS_XSLT_PATH = "/toolcontent";
 
-		List<ContentTreeNode> children;
+    /**
+     * Constructor of the object.
+     */
+    public LearningDesignRepositoryServlet() {
+	super();
+    }
 
-		ContentTreeNode(FolderContentDTO content) {
-			this.content = content;
-			children = new LinkedList<ContentTreeNode>();
-		}
+    /**
+     * Destruction of the servlet. <br>
+     */
+    public void destroy() {
+	super.destroy(); // Just puts "destroy" string in log
+	// Put your code here
+    }
 
-		List<ContentTreeNode> getChildren() {
-			return children;
-		}
+    // TODO, this is common with the webservices class, we should move it from
+    // here.
+    private static class ContentTreeNode {
+	FolderContentDTO content;
 
-		void setChildren(List<ContentTreeNode> children) {
-			this.children = children;
-		}
+	List<ContentTreeNode> children;
 
-		FolderContentDTO getContent() {
-			return content;
-		}
+	ContentTreeNode(FolderContentDTO content) {
+	    this.content = content;
+	    children = new LinkedList<ContentTreeNode>();
+	}
 
-		void setContent(FolderContentDTO content) {
-			this.content = content;
-		}
+	List<ContentTreeNode> getChildren() {
+	    return children;
+	}
 
-		void addChild(FolderContentDTO content) {
-			children.add(new ContentTreeNode(content));
-		}
+	void setChildren(List<ContentTreeNode> children) {
+	    this.children = children;
+	}
 
-		void addChild(ContentTreeNode node) {
-			children.add(node);
-		}
+	FolderContentDTO getContent() {
+	    return content;
+	}
 
-		/**
-		 * the format should be something like this: [ ['My Workspace', null,
-		 * ['Mary Morgan Folder', null, ['3 activity sequence','1024'] ],
-		 * ['Organisations', null, ['Developers Playpen', null, ['Lesson
-		 * Sequence Folder', null, ['',null] ] ], ['MATH111', null, ['Lesson
-		 * Sequence Folder', null, ['',null] ] ] ] ] ]
-		 */
-		public String toString() {
-			// return '[' + convert() + ']';
+	void setContent(FolderContentDTO content) {
+	    this.content = content;
+	}
 
-			Document document = getDocument();
+	void addChild(FolderContentDTO content) {
+	    children.add(new ContentTreeNode(content));
+	}
 
-			try {
-				DOMSource domSource = new DOMSource(document);
-				StringWriter writer = new StringWriter();
-				StreamResult result = new StreamResult(writer);
-				TransformerFactory tf = TransformerFactory.newInstance();
-				Transformer transformer = tf.newTransformer();
-				transformer.transform(domSource, result);
-				return writer.toString();
-			} catch (TransformerException ex) {
-				ex.printStackTrace();
-				return null;
-			}
-		}
+	void addChild(ContentTreeNode node) {
+	    children.add(node);
+	}
 
-		String convert() {
-			StringBuilder sb = new StringBuilder();
-			if (content.getResourceType().equals(FolderContentDTO.FOLDER)) {
-				sb.append("['");
-				sb.append(content.getName()).append("',").append("null")
-						.append(',');
-				if (children.size() == 0) {
-					sb.append("['',null]");
-				} else {
-					sb.append(children.get(0).convert());
-					for (int i = 1; i < children.size(); i++) {
-						sb.append(',').append(children.get(i).convert());
-					}
-				}
-				sb.append(']');
-			} else if (content.getResourceType()
-					.equals(FolderContentDTO.DESIGN)) {
-				sb.append('[');
-				sb.append('\'').append(content.getName()).append('\'').append(
-						',').append('\'').append(content.getResourceID())
-						.append('\'');
-				sb.append(']');
-			}
-			return sb.toString();
-		}
+	/**
+	 * the format should be something like this: [ ['My Workspace', null,
+	 * ['Mary Morgan Folder', null, ['3 activity sequence','1024'] ],
+	 * ['Organisations', null, ['Developers Playpen', null, ['Lesson
+	 * Sequence Folder', null, ['',null] ] ], ['MATH111', null, ['Lesson
+	 * Sequence Folder', null, ['',null] ] ] ] ] ]
+	 */
+	public String toString() {
+	    // return '[' + convert() + ']';
 
-		public Document getDocument() {
-			try {
-				DocumentBuilderFactory factory = DocumentBuilderFactory
-						.newInstance();
-				DocumentBuilder builder = factory.newDocumentBuilder();
-				Document document = builder.newDocument();
+	    Document document = getDocument();
 
-				Element element = createXML(document);
+	    try {
+		DOMSource domSource = new DOMSource(document);
+		StringWriter writer = new StringWriter();
+		StreamResult result = new StreamResult(writer);
+		TransformerFactory tf = TransformerFactory.newInstance();
+		Transformer transformer = tf.newTransformer();
+		transformer.transform(domSource, result);
+		return writer.toString();
+	    } catch (TransformerException ex) {
+		ex.printStackTrace();
+		return null;
+	    }
+	}
 
-				document.appendChild(element); // TODO null values ??
+	String convert() {
+	    StringBuilder sb = new StringBuilder();
+	    if (content.getResourceType().equals(FolderContentDTO.FOLDER)) {
+		sb.append("['");
+		sb.append(content.getName()).append("',").append("null").append(',');
+		if (children.size() == 0) {
+		    sb.append("['',null]");
+		} else {
+		    sb.append(children.get(0).convert());
+		    for (int i = 1; i < children.size(); i++) {
+			sb.append(',').append(children.get(i).convert());
+		    }
+		}
+		sb.append(']');
+	    } else if (content.getResourceType().equals(FolderContentDTO.DESIGN)) {
+		sb.append('[');
+		sb.append('\'').append(content.getName()).append('\'').append(',').append('\'').append(
+			content.getResourceID()).append('\'');
+		sb.append(']');
+	    }
+	    return sb.toString();
+	}
 
-				return document;
+	public Document getDocument() {
+	    try {
+		DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
+		DocumentBuilder builder = factory.newDocumentBuilder();
+		Document document = builder.newDocument();
 
-			} catch (Exception e) {
-				e.printStackTrace();
-			}
+		Element element = createXML(document);
 
-			return null;
-		}
+		document.appendChild(element); // TODO null values ??
 
-		public Element createXML(Document document) {
-			Element elem = null;
-			if (content.getResourceType().equals(FolderContentDTO.FOLDER)) {
-				elem = document.createElement(CentralConstants.ELEM_FOLDER);
-				elem.setAttribute(CentralConstants.ATTR_NAME, content.getName());
+		return document;
 
-				if (children.size() > 0) {
-					for (int i = 0; i < children.size(); i++) {
-						elem.appendChild(children.get(i).createXML(document));
-					}
-				}
+	    } catch (Exception e) {
+		e.printStackTrace();
+	    }
 
-			} else if (content.getResourceType()
-					.equals(FolderContentDTO.DESIGN)) {
-				elem = document.createElement(CentralConstants.ELEM_LEARNING_DESIGN);
-				elem.setAttribute(CentralConstants.ATTR_NAME, content.getName());
-				elem.setAttribute(CentralConstants.ATTR_RESOURCE_ID, content.getResourceID()
-						.toString());
-			} else {
-				// TODO ERROR shouldnt get here !!
-			}
+	    return null;
+	}
 
-			return elem;
+	public Element createXML(Document document) {
+	    Element elem = null;
+	    if (content.getResourceType().equals(FolderContentDTO.FOLDER)) {
+		elem = document.createElement(CentralConstants.ELEM_FOLDER);
+		elem.setAttribute(CentralConstants.ATTR_NAME, content.getName());
+
+		if (children.size() > 0) {
+		    for (int i = 0; i < children.size(); i++) {
+			elem.appendChild(children.get(i).createXML(document));
+		    }
 		}
+
+	    } else if (content.getResourceType().equals(FolderContentDTO.DESIGN)) {
+		elem = document.createElement(CentralConstants.ELEM_LEARNING_DESIGN);
+		elem.setAttribute(CentralConstants.ATTR_NAME, content.getName());
+		elem.setAttribute(CentralConstants.ATTR_RESOURCE_ID, content.getResourceID().toString());
+	    } else {
+		// TODO ERROR shouldnt get here !!
+	    }
+
+	    return elem;
 	}
+    }
 
-	private ContentTreeNode buildContentTree(Integer userId, Integer mode)
-			throws IOException, UserAccessDeniedException,
-			RepositoryCheckedException {
-		log.debug("User Id - " + userId);
-		FolderContentDTO rootFolder = new FolderContentDTO(msgService
-				.getMessage("label.workspace.root_folder"), msgService
-				.getMessage("folder"), null, null, FolderContentDTO.FOLDER,
-				WorkspaceAction.BOOTSTRAP_FOLDER_ID.longValue(),
-				WorkspaceFolder.READ_ACCESS, null);
-		ContentTreeNode root = new ContentTreeNode(rootFolder);
-		FolderContentDTO userFolder = service.getUserWorkspaceFolder(userId);
-		root.addChild(buildContentTreeNode(userFolder, userId, mode));
-		FolderContentDTO dummyOrgFolder = new FolderContentDTO(msgService
-				.getMessage("organisations"), msgService.getMessage("folder"),
-				null, null, FolderContentDTO.FOLDER, new Long(
-						WorkspaceAction.ORG_FOLDER_ID.longValue()),
-				WorkspaceFolder.READ_ACCESS, null);
-		ContentTreeNode dummyOrgNode = new ContentTreeNode(dummyOrgFolder);
-		// tried using service.getAccessibleOrganisationWorkspaceFolders(userId)
-		// api,
-		// but it doesn't work, the userOrganisations set of the user
-		// got from workspaceManagementService with the userId supplied is
-		// empty, which
-		// is not true.
-		Vector orgFolders = service
-				.getAccessibleOrganisationWorkspaceFolders(userId);
-		for (int i = 0; i < orgFolders.size(); i++) {
-			FolderContentDTO orgFolder = (FolderContentDTO) orgFolders.get(i);
-			dummyOrgNode
-					.addChild(buildContentTreeNode(orgFolder, userId, mode));
-		}
-		root.addChild(dummyOrgNode);
-		return root;
+    private ContentTreeNode buildContentTree(Integer userId, Integer mode) throws IOException,
+	    UserAccessDeniedException, RepositoryCheckedException {
+	log.debug("User Id - " + userId);
+	FolderContentDTO rootFolder = new FolderContentDTO(msgService.getMessage("label.workspace.root_folder"),
+		msgService.getMessage("folder"), null, null, FolderContentDTO.FOLDER,
+		WorkspaceAction.BOOTSTRAP_FOLDER_ID.longValue(), WorkspaceFolder.READ_ACCESS, null);
+	ContentTreeNode root = new ContentTreeNode(rootFolder);
+	FolderContentDTO userFolder = service.getUserWorkspaceFolder(userId);
+	root.addChild(buildContentTreeNode(userFolder, userId, mode));
+	FolderContentDTO dummyOrgFolder = new FolderContentDTO(msgService.getMessage("organisations"), msgService
+		.getMessage("folder"), null, null, FolderContentDTO.FOLDER, new Long(WorkspaceAction.ORG_FOLDER_ID
+		.longValue()), WorkspaceFolder.READ_ACCESS, null);
+	ContentTreeNode dummyOrgNode = new ContentTreeNode(dummyOrgFolder);
+	// tried using service.getAccessibleOrganisationWorkspaceFolders(userId)
+	// api,
+	// but it doesn't work, the userOrganisations set of the user
+	// got from workspaceManagementService with the userId supplied is
+	// empty, which
+	// is not true.
+	Vector orgFolders = service.getAccessibleOrganisationWorkspaceFolders(userId);
+	for (int i = 0; i < orgFolders.size(); i++) {
+	    FolderContentDTO orgFolder = (FolderContentDTO) orgFolders.get(i);
+	    dummyOrgNode.addChild(buildContentTreeNode(orgFolder, userId, mode));
 	}
+	root.addChild(dummyOrgNode);
+	return root;
+    }
 
-	private ContentTreeNode buildContentTreeNode(FolderContentDTO folder,
-			Integer userId, Integer mode) throws UserAccessDeniedException,
-			RepositoryCheckedException {
-		log.debug("build content tree node for folder - " + folder.getName());
-		ContentTreeNode node = new ContentTreeNode(folder);
-		if (folder.getResourceType().equals(FolderContentDTO.FOLDER)) {
-			log.debug(folder.getName() + " is a folder");
-			WorkspaceFolder wsfolder = service.getWorkspaceFolder(folder
-					.getResourceID().intValue());
-			Vector items = service.getFolderContentsExcludeHome(userId,
-					wsfolder, mode);
-			for (int i = 0; i < items.size(); i++) {
-				FolderContentDTO content = (FolderContentDTO) items.get(i);
-				node.addChild(buildContentTreeNode(content, userId, mode));
-			}
-		}
-		return node;
+    private ContentTreeNode buildContentTreeNode(FolderContentDTO folder, Integer userId, Integer mode)
+	    throws UserAccessDeniedException, RepositoryCheckedException {
+	log.debug("build content tree node for folder - " + folder.getName());
+	ContentTreeNode node = new ContentTreeNode(folder);
+	if (folder.getResourceType().equals(FolderContentDTO.FOLDER)) {
+	    log.debug(folder.getName() + " is a folder");
+	    WorkspaceFolder wsfolder = service.getWorkspaceFolder(folder.getResourceID().intValue());
+	    Vector items = service.getFolderContentsExcludeHome(userId, wsfolder, mode);
+	    for (int i = 0; i < items.size(); i++) {
+		FolderContentDTO content = (FolderContentDTO) items.get(i);
+		node.addChild(buildContentTreeNode(content, userId, mode));
+	    }
 	}
+	return node;
+    }
 
-	/**
-	 * The doGet method of the servlet. <br>
-	 * 
-	 * This method is called when a form has its tag value method equals to get.
-	 * 
-	 * @param request
-	 *            the request send by the client to the server
-	 * @param response
-	 *            the response send by the server to the client
-	 * @throws ServletException
-	 *             if an error occurred
-	 * @throws IOException
-	 *             if an error occurred
-	 */
-	public void doGet(HttpServletRequest request, HttpServletResponse response)
-			throws ServletException, IOException {
+    /**
+     * The doGet method of the servlet. <br>
+     * 
+     * This method is called when a form has its tag value method equals to get.
+     * 
+     * @param request
+     *                the request send by the client to the server
+     * @param response
+     *                the response send by the server to the client
+     * @throws ServletException
+     *                 if an error occurred
+     * @throws IOException
+     *                 if an error occurred
+     */
+    public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
 
-		try {
+	try {
 
-			// get parameters
-			String serverId 	= request.getParameter(CentralConstants.PARAM_SERVER_ID);
-			String datetime 	= request.getParameter(CentralConstants.PARAM_DATE_TIME);
-			String hashValue 	= request.getParameter(CentralConstants.PARAM_HASH_VALUE);
-			String username 	= request.getParameter(CentralConstants.PARAM_USERNAME);
-			String courseId 	= request.getParameter(CentralConstants.PARAM_COURSE_ID);
-			String courseName   = request.getParameter(CentralConstants.PARAM_COURSE_NAME);
-			String country 		= request.getParameter(CentralConstants.PARAM_COUNTRY);
-			String lang 		= request.getParameter(CentralConstants.PARAM_LANG);
-			String modeStr 		= request.getParameter(CentralConstants.PARAM_MODE);
+	    // get parameters
+	    String serverId = request.getParameter(CentralConstants.PARAM_SERVER_ID);
+	    String datetime = request.getParameter(CentralConstants.PARAM_DATE_TIME);
+	    String hashValue = request.getParameter(CentralConstants.PARAM_HASH_VALUE);
+	    String username = request.getParameter(CentralConstants.PARAM_USERNAME);
+	    String courseId = request.getParameter(CentralConstants.PARAM_COURSE_ID);
+	    String courseName = request.getParameter(CentralConstants.PARAM_COURSE_NAME);
+	    String country = request.getParameter(CentralConstants.PARAM_COUNTRY);
+	    String lang = request.getParameter(CentralConstants.PARAM_LANG);
+	    String modeStr = request.getParameter(CentralConstants.PARAM_MODE);
+	    String method = request.getParameter(CentralConstants.PARAM_METHOD);
 
-			String firstName = request.getParameter(LoginRequestDispatcher.PARAM_FIRST_NAME);
-			String lastName = request.getParameter(LoginRequestDispatcher.PARAM_LAST_NAME);
-			String email = request.getParameter(LoginRequestDispatcher.PARAM_EMAIL);
+	    String firstName = request.getParameter(LoginRequestDispatcher.PARAM_FIRST_NAME);
+	    String lastName = request.getParameter(LoginRequestDispatcher.PARAM_LAST_NAME);
+	    String email = request.getParameter(LoginRequestDispatcher.PARAM_EMAIL);
 
-			if (serverId == null || datetime == null || hashValue == null
-					|| username == null || courseId == null || country == null
-					|| lang == null || modeStr == null) {
-				String msg = "Parameters missing";
-				log.error(msg);
-				response.sendError(response.SC_BAD_REQUEST, "Parameters missing");
-			}
+	    if (serverId == null || datetime == null || hashValue == null || username == null || courseId == null
+		    || country == null || lang == null || modeStr == null) {
+		String msg = "Parameters missing";
+		log.error(msg);
+		response.sendError(response.SC_BAD_REQUEST, "Parameters missing");
+	    }
 
-			Integer mode = new Integer(modeStr);
+	    Integer mode = new Integer(modeStr);
 
-			// get Server map
-			ExtServerOrgMap serverMap = integrationService
-					.getExtServerOrgMap(serverId);
+	    // get Server map
+	    ExtServerOrgMap serverMap = integrationService.getExtServerOrgMap(serverId);
 
-			// authenticate
+	    // authenticate
+	    Authenticator.authenticate(serverMap, datetime, username, hashValue);
 
-			Authenticator
-					.authenticate(serverMap, datetime, username, hashValue);
+	    // get user map, user is created if this is their first use
 
-			// get user map, user is created if this is their first use
-	
-			ExtUserUseridMap userMap = null;
-			if (firstName==null && lastName==null)
-			{
-				userMap = integrationService.getExtUserUseridMap(serverMap, username);
-			}
-			else
-			{
-				userMap = integrationService.getImplicitExtUserUseridMap(serverMap, username, firstName, lastName, lang, country, email);
-			}	
-		
-			
-			// create group for external course if necessary
-			
-			integrationService.getExtCourseClassMap(serverMap, userMap,
-					courseId,
-					country, lang, courseName);
+	    if (method != null && method.equals("exportLD")) {
+		// do export
+		exportLD(request, response);
+	    } else {
 
-			String contentTree = buildContentTree(
-					userMap.getUser().getUserId(), mode).toString();
+		ExtUserUseridMap userMap = null;
+		if (firstName == null && lastName == null) {
+		    userMap = integrationService.getExtUserUseridMap(serverMap, username);
+		} else {
+		    userMap = integrationService.getImplicitExtUserUseridMap(serverMap, username, firstName, lastName,
+			    lang, country, email);
+		}
 
-			// generate response
-			response.setContentType("text/xml");
-			response.setCharacterEncoding("UTF8");
-			PrintWriter out = response.getWriter();
+		// create group for external course if necessary
+		integrationService.getExtCourseClassMap(serverMap, userMap, courseId, country, lang, courseName);
 
-			out.print(contentTree);
+		String contentTree = buildContentTree(userMap.getUser().getUserId(), mode).toString();
 
-		} catch (NumberFormatException nfe) {
-			log.error("mode is not an integer", nfe);
-			response.sendError(response.SC_BAD_REQUEST, "mode is not an integer");
-		} catch (AuthenticationException e) {
-			log.error("can not authenticate", e);
-			response.sendError(response.SC_BAD_REQUEST, "can not authenticate");
-		} catch (UserInfoFetchException e) {
-			log.error("can not retreive user information", e);
-			response.sendError(response.SC_BAD_REQUEST, "can not retreive user information");
-		} catch (UserAccessDeniedException e) {
-			log.error("user access denied", e);
-			response.sendError(response.SC_BAD_REQUEST, "user access denied");
-		} catch (RepositoryCheckedException e) {
-			log.error("repository checked", e);
-			response.sendError(response.SC_BAD_REQUEST, "repository checked");
-		} catch (Exception e){
-			log.error("Problem with LearningDesignRepositoryServlet request", e);
-			response.sendError(response.SC_BAD_REQUEST, "Problem with LearningDesignRepositoryServlet request");
-		}
-		
+		// generate response
+		response.setContentType("text/xml");
+		response.setCharacterEncoding("UTF8");
+		PrintWriter out = response.getWriter();
+
+		out.print(contentTree);
+	    }
+
+	} catch (NumberFormatException nfe) {
+	    log.error("mode is not an integer", nfe);
+	    response.sendError(response.SC_BAD_REQUEST, "mode is not an integer");
+	} catch (AuthenticationException e) {
+	    log.error("can not authenticate", e);
+	    response.sendError(response.SC_BAD_REQUEST, "can not authenticate");
+	} catch (UserInfoFetchException e) {
+	    log.error("can not retreive user information", e);
+	    response.sendError(response.SC_BAD_REQUEST, "can not retreive user information");
+	} catch (UserAccessDeniedException e) {
+	    log.error("user access denied", e);
+	    response.sendError(response.SC_BAD_REQUEST, "user access denied");
+	} catch (RepositoryCheckedException e) {
+	    log.error("repository checked", e);
+	    response.sendError(response.SC_BAD_REQUEST, "repository checked");
+	} catch (Exception e) {
+	    log.error("Problem with LearningDesignRepositoryServlet request", e);
+	    response.sendError(response.SC_BAD_REQUEST, "Problem with LearningDesignRepositoryServlet request");
 	}
 
-	/**
-	 * Initialization of the servlet. <br>
-	 * 
-	 * @throws ServletException
-	 *             if an error occure
-	 */
-	public void init() throws ServletException {
-		integrationService = (IntegrationService) WebApplicationContextUtils
-				.getRequiredWebApplicationContext(getServletContext()).getBean(
-						"integrationService");
+    }
 
-		service = (IWorkspaceManagementService) WebApplicationContextUtils
-				.getRequiredWebApplicationContext(getServletContext()).getBean(
-						"workspaceManagementService");
+    public void exportLD(HttpServletRequest request, HttpServletResponse response) {
+	Long learningDesignId = WebUtil.readLongParam(request, PARAM_LEARING_DESIGN_ID);
+	int format = WebUtil.readIntParam(request, PARAM_EXPORT_FORMAT);
+	List<String> toolsErrorMsgs = new ArrayList<String>();
 
-		msgService = service.getMessageService();
+	try {
+	    File xslt = new File(getServletContext().getRealPath(IMS_XSLT_PATH) + File.separator + IMS_XSLT_NAME);
+	    String zipFilename = exportToolContentService.exportLearningDesign(learningDesignId, toolsErrorMsgs,
+		    format, xslt);
+
+	    // get only filename
+	    String zipfile = FileUtil.getFileName(zipFilename);
+
+	    // replace spaces (" ") with underscores ("_")
+	    zipfile = zipfile.replaceAll(" ", "_");
+
+	    // Different browsers handle stream downloads differently LDEV-1243
+	    String filename = FileUtil.encodeFilenameForDownload(request, zipfile);
+	    log.debug("Final filename to export: " + filename);
+
+	    response.setContentType("application/x-download");
+	    //			response.setContentType("application/zip");
+	    response.setHeader("Content-Disposition", "attachment;filename=" + filename);
+	    InputStream in = null;
+	    OutputStream out = null;
+	    try {
+		in = new BufferedInputStream(new FileInputStream(zipFilename));
+		out = response.getOutputStream();
+		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 (Exception e) {
+		log.error("Exception occured writing out file:" + e.getMessage());
+		throw new ExportToolContentException(e);
+	    } finally {
+		try {
+		    if (in != null)
+			in.close(); // very important
+		    if (out != null)
+			out.close();
+		} catch (Exception e) {
+		    log.error("Error Closing file. File already written out - no exception being thrown.", e);
+		}
+	    }
+	} catch (Exception e1) {
+	    log.error("Unable to export tool content to external integrated server: " + e1.toString());
 	}
+    }
+
+    /**
+     * Initialization of the servlet. <br>
+     * 
+     * @throws ServletException
+     *                 if an error occure
+     */
+    public void init() throws ServletException {
+	integrationService = (IntegrationService) WebApplicationContextUtils.getRequiredWebApplicationContext(
+		getServletContext()).getBean("integrationService");
+
+	service = (IWorkspaceManagementService) WebApplicationContextUtils.getRequiredWebApplicationContext(
+		getServletContext()).getBean("workspaceManagementService");
+
+	msgService = service.getMessageService();
+
+	exportToolContentService = (IExportToolContentService) WebApplicationContextUtils
+		.getRequiredWebApplicationContext(getServletContext()).getBean("exportToolContentService");
+    }
 }