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# It uses platform neutral UTF-8 encoding.
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< import java.util.Date;
< import java.util.HashMap;
< import java.util.Locale;
< import java.util.Map;
---
> import ch.epfl.kis.polywiki.model.*;
> import ch.epfl.kis.polywiki.security.*;
> import ch.epfl.kis.polywiki.service.*;
> import ch.epfl.kis.polywiki.util.*;
> import ch.epfl.kis.polywiki.validator.*;
> import com.baneo.core.jsp.taglib.*;
> import com.baneo.core.util.*;
> import com.baneo.core.validator.*;
> import com.baneo.core.view.web.action.*;
> import org.apache.struts.action.*;
> import org.apache.struts.taglib.html.*;
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< import javax.servlet.http.HttpServletRequest;
< import javax.servlet.http.HttpServletResponse;
---
> import javax.servlet.http.*;
> import java.util.*;
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< import org.apache.struts.action.ActionForm;
< import org.apache.struts.action.ActionForward;
< import org.apache.struts.action.ActionMapping;
< 
< import ch.epfl.kis.polywiki.model.Lock;
< import ch.epfl.kis.polywiki.model.Page;
< import ch.epfl.kis.polywiki.model.User;
< import ch.epfl.kis.polywiki.model.Wiki;
< import ch.epfl.kis.polywiki.security.SecurityService;
< import ch.epfl.kis.polywiki.service.LockService;
< import ch.epfl.kis.polywiki.service.PDFService;
< import ch.epfl.kis.polywiki.service.PDFServiceException;
< import ch.epfl.kis.polywiki.service.PageService;
< import ch.epfl.kis.polywiki.service.UrlService;
< import ch.epfl.kis.polywiki.util.Formater;
< import ch.epfl.kis.polywiki.validator.PageValidator;
< 
< import com.baneo.core.jsp.taglib.MessageTag;
< import com.baneo.core.system.Message;
< import com.baneo.core.util.ArrayUtil;
< import com.baneo.core.util.BeanUtil;
< import com.baneo.core.util.HttpUtil;
< import com.baneo.core.validator.Validator;
< import com.baneo.core.view.web.action.ObjectUpdateAction;
< 
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< public class PageUpdateAction extends ObjectUpdateAction {
---
> public class PageUpdateAction extends ObjectUpdateAction
> {
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< 
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< 	private static final PDFService _pdfService = PDFService.instance();
---
>   public static int _reloadCount = 0;
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< 	public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request,
< 			HttpServletResponse response) throws Exception {
---
>   public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception
>   {
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< 		// preview
< 		if (request.getParameter("preview") != null) {
< 			return mapping.findForward("preview");
< 		}
< 
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< 		if (page == null) {
---
>     if (page == null)
>     {
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< 		if (request.getParameter("cancel") != null) {
---
>     if (request.getParameter("cancel") != null)
>     {
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>     // check if the form was reloaded
>     if (request.getParameter(Constants.TOKEN_KEY) != null && !isTokenValid(request))
>     {
>       _reloadCount++;
>       return mapping.findForward("reload");
>     }
> 
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< 		if (!isTokenValid(request)) {
---
>     if (!isTokenValid(request))
>     {
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< 			if (lock == null) {
---
>       if (lock == null)
>       {
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< 			} else {
---
>       }
>       else
>       {
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< 				if (!locker.equals(user)) {
---
>         if (!locker.equals(user))
>         {
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< 		// Latex page => try to compile it first
< 		if ("2".equals(request.getParameter("type"))) {
< 			return compileLatex(mapping, form, request, response);
< 		}
< 
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< 	protected Map getValues(HttpServletRequest request, HttpServletResponse response) throws Exception {
---
>   protected Map getValues(HttpServletRequest request, HttpServletResponse response) throws Exception
>   {
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> 
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< 	protected Validator getValidator(HttpServletRequest request, HttpServletResponse response) throws Exception {
---
>   protected Validator getValidator(HttpServletRequest request, HttpServletResponse response) throws Exception
>   {
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> 
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>     
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< 	protected void update(Object object, Validator validator, HttpServletRequest request, HttpServletResponse response)
< 			throws Exception {
---
>   protected void update(Object object, Validator validator, HttpServletRequest request, HttpServletResponse response) throws Exception
>   {
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< 	 * @param request
< 	 *           the request.
< 	 * @param mode
< 	 *           the mode, can be MODE_INIT or MODE_UPDATE.
< 	 * @throws Exception
< 	 *            on error.
---
>    * @param request the request.
>    * @param mode    the mode, can be MODE_INIT or MODE_UPDATE.
>    * @throws Exception on error.
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< 	private void prepareRequest(HttpServletRequest request, int mode) throws Exception {
---
>   private void prepareRequest(HttpServletRequest request, int mode) throws Exception
>   {
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< 		if (mode == MODE_INIT) {
---
>     if (mode == MODE_INIT)
>     {
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< 		} else {
---
>     }
>     else
>     {
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< 			attributes = ArrayUtil.removeFromArray(attributes, new String[] { "id", "numComment" });
---
>       attributes = ArrayUtil.removeFromArray(attributes, new String[]{"id", "numComment"});
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< 	protected ActionForward getSuccessActionForward(ActionMapping mapping, HttpServletRequest request,
< 			HttpServletResponse response) throws Exception {
---
>   protected ActionForward getSuccessActionForward(ActionMapping mapping, HttpServletRequest request, HttpServletResponse response) throws Exception
>   {
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< 		if (request.getParameter("saveAndClose") != null) {
---
>     if (request.getParameter("saveAndClose") != null)
>     {
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< 		} else {
< 			response.sendRedirect(UrlService.getPageUpdateUrl(page, UrlService.ABSOLUTE_CONTEXT_PATH)
< 					+ "&confirmation=common.page.save.confirmation.singular");
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>     else
>     {
>       response.sendRedirect(UrlService.getPageUpdateUrl(page, UrlService.ABSOLUTE_CONTEXT_PATH) + "&confirmation=common.page.save.confirmation.singular");
>     }
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< 
< 	protected ActionForward compileLatex(ActionMapping mapping, ActionForm form, HttpServletRequest request,
< 			HttpServletResponse response) throws Exception {
< 
< 		if (!isTokenValid(request)) {
< 			Map values = getValues(request, response);
< 
< 			if (values != null) {
< 				request.setAttribute("values", values);
< 				// We have no errors, put an empty Map (null is not valid)
< 				request.setAttribute("errors", new HashMap());
< 				return mapping.findForward("init");
< 			} else {
< 				return mapping.findForward("generalError");
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< 		}
< 
< 		// The user is updating
< 		Validator validator = getValidator(request, response);
< 		validator.validate();
< 		Map errors = validator.getErrors();
< 
< 		// Ensure that what the user entered in the form is displayed
< 		Map values = validator.getValues();
< 		request.setAttribute("values", values);
< 
< 		if (errors.size() > 0) {
< 			request.setAttribute("errors", errors);
< 
< 			return mapping.findForward("error");
< 		} else {
< 
< 			// try to compile the Latex document
< 			Page tmpPage = (Page) validator.getObject();
< 
< 			Page backup = new Page();
< 			backup.setName(tmpPage.getName());
< 			backup.setContent(tmpPage.getContent());
< 
< 			// change name to trick PDFLatexWorker
< 			tmpPage.setName("tmp_" + tmpPage.getName());
< 
< 			// set date to force PDF compilation
< 			tmpPage.setCreated(new Date());
< 
< 			StringBuilder error = new StringBuilder();
< 			String errorType = null;
< 
< 			try {
< 				_pdfService.getPDF(tmpPage, response, true);
< 
< 			} catch (PDFServiceException e) {
< 				errorType = e.getType();
< 				error.append(e.getError());
< 
< 				Locale locale = MessageTag.getLocale(request);
< 
< 				StringBuilder ret = new StringBuilder();
< 				ret.append("<div class=\"logError\">" + Message.get("pdfservice.compilation.error", locale) + "<br />");
< 
< 				if (errorType.equals("latex-error")) {
< 					String logUrl = e.getLogUrl();
< 
< 					if (logUrl != null) {
< 						ret.append("<br />" + Message.format("pdfservice.compilation.error.url", locale, logUrl) + "<br />");
< 
< 					}
< 					ret.append("<br /><textarea cols=\"120\" rows=\"10\">" + error.toString() + "</textarea>");
< 				} else {
< 					ret.append(Message.get("pdfservice.latex." + errorType, locale) + "<br />" + error.toString());
< 				}
< 
< 				ret.append("</div>");
< 
< 				request.setAttribute("compileResult", ret.toString());
< 
< 				// For the jsp
< 				tmpPage.setName(tmpPage.getName().replace("tmp_", ""));
< 				tmpPage.setContent(backup.getContent());
< 				request.setAttribute("page", tmpPage);
< 
< 				return mapping.findForward("error");
< 			}
< 
< 			// Persist the update
< 			Page up = (Page) validator.getObject();
< 			up.setName(backup.getName());
< 			up.setContent(backup.getContent());
< 			update(up, validator, request, response);
< 
< 			resetToken(request);
< 
< 			return getSuccessActionForward(mapping, request, response);
< 		}
< 	}
< }