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using iframe to manage upload of schemas - allows for calling an action listener once the upload is complete to validate the schema and present an error message inside the form in a pretty way.

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added a small helper library for managing uploads without using a page reload.  modified uploadfileservlet to return a javascript snippet in the response body if the return-page parameter starts with javascript:

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@4578 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
Ariel Backenroth
2006-12-12 09:51:27 +00:00
parent cb80c75014
commit b89434674c
5 changed files with 159 additions and 51 deletions
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50
source/java/org/alfresco/web/app/servlet/UploadFileServlet.java
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@@ -18,6 +18,7 @@ package org.alfresco.web.app.servlet;
import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Iterator;
import java.util.List;
@@ -47,7 +48,7 @@ import org.apache.commons.logging.LogFactory;
public class UploadFileServlet extends BaseServlet
{
private static final long serialVersionUID = -5482538466491052873L;
private static Log logger = LogFactory.getLog(UploadFileServlet.class);
private static final Log logger = LogFactory.getLog(UploadFileServlet.class);
/**
* @see javax.servlet.http.HttpServlet#service(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
@@ -68,7 +69,7 @@ public class UploadFileServlet extends BaseServlet
return;
}
if (isMultipart == false)
if (!isMultipart)
{
throw new AlfrescoRuntimeException("This servlet can only be used to handle file upload requests, make" +
"sure you have set the enctype attribute on your form to multipart/form-data");
@@ -85,11 +86,9 @@ public class UploadFileServlet extends BaseServlet
List<FileItem> fileItems = upload.parseRequest(request);
Iterator<FileItem> iter = fileItems.iterator();
FileUploadBean bean = new FileUploadBean();
while(iter.hasNext())
for (FileItem item : fileItems)
{
FileItem item = iter.next();
if(item.isFormField())
{
if (item.getFieldName().equalsIgnoreCase("return-page"))
@@ -106,15 +105,13 @@ public class UploadFileServlet extends BaseServlet
String filename = item.getName();
if (filename != null && filename.length() != 0)
{
if (logger.isDebugEnabled() == true)
if (logger.isDebugEnabled())
{
logger.debug("Processing uploaded file: " + filename);
}
// workaround a bug in IE where the full path is returned
// IE is only available for Windows so only check for the Windows path separator
int idx = filename.lastIndexOf('\\');
if (idx == -1)
{
// if there is no windows path separator check for *nix
@@ -131,8 +128,7 @@ public class UploadFileServlet extends BaseServlet
bean.setFile(tempFile);
bean.setFileName(filename);
bean.setFilePath(tempFile.getAbsolutePath());
session.setAttribute(FileUploadBean.getKey(uploadId), bean);
if (logger.isDebugEnabled() == true)
if (logger.isDebugEnabled())
{
logger.debug("Temp file: " + tempFile.getAbsolutePath() +
" created from upload filename: " + filename);
@@ -140,19 +136,39 @@ public class UploadFileServlet extends BaseServlet
}
}
}
session.setAttribute(FileUploadBean.getKey(uploadId), bean);
if (returnPage == null || returnPage.length() == 0)
{
throw new AlfrescoRuntimeException("return-page parameter has not been supplied");
}
// finally redirect
if (logger.isDebugEnabled() == true)
if (returnPage.startsWith("javascript:"))
{
logger.debug("Upload servicing complete, redirecting to: " + returnPage);
}
returnPage = returnPage.substring("javascript:".length());
// finally redirect
if (logger.isDebugEnabled())
{
logger.debug("Sending back javascript response " + returnPage);
}
response.sendRedirect(returnPage);
final PrintWriter out = response.getWriter();
out.println("<html><body><script type=\"text/javascript\">");
out.println(returnPage);
out.println("</script></body></html>");
out.close();
}
else
{
// finally redirect
if (logger.isDebugEnabled())
{
logger.debug("Upload servicing complete, redirecting to: " + returnPage);
}
response.sendRedirect(returnPage);
}
}
catch (Throwable error)
{