RELEASE_2_1_13/src/blocks/xsp/samples/java/upload.xsp

<?xml version="1.0"?>
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<!-- CVS $Id$ -->

<xsp:page language="java"
          xmlns:xsp="http://apache.org/xsp"
          xmlns:xsp-request="http://apache.org/xsp/request/2.0"
          xmlns:xsp-response="http://apache.org/xsp/response/2.0"
          xmlns:log="http://apache.org/xsp/log/2.0">

  <xsp:structure>
   <xsp:include>org.apache.cocoon.components.language.markup.xsp.XSPUtil</xsp:include>
   <xsp:include>org.apache.avalon.framework.context.ContextException</xsp:include>
  </xsp:structure>

  <xsp:logic>
  File uploadDir = null;
  /** Contextualize this class */
  public void contextualize(Context context) throws ContextException {
    uploadDir = (File) context.get(Constants.CONTEXT_UPLOAD_DIR);
  }
  </xsp:logic>

  <page>
   <title>This form allows you upload files</title>
   <content>
   	 <para>Uploads in cocoon are handled automatically, as configured in web.xml.  
   	 The relevant init-params controlling upload behavior are: enable-uploads, 
   	 upload-directory, autosave-uploads, overwrite-uploads, upload-max-size.
   	 </para>
	 <para>All files are cleaned out of the upload directory at the end of the 
	 request.  The assumption is that other application logic will have acted on 
	 the files during the request.</para>
     <para>
       <form method="post" enctype="multipart/form-data" action="upload">
         File:  <input type="file" name="uploaded_file" size="50" />
         <p>
           <input type="submit" value="Upload File" />
         </p>
       </form>
     </para>
     <para>
       <xsp:logic>
         if (<xsp-request:get-parameter name="uploaded_file"/> != null) {
           <xsp:content>
             Parameter uploaded_file:
             <strong>
               <xsp-request:get-parameter name="uploaded_file"/>
             </strong>
             <br/>

             Parameter uploaded_file is instance of:
             <!-- note usage of get() instead of getParameter() -->
             <strong>
               <xsp:expr>
                 request.get("uploaded_file").getClass()
               </xsp:expr>
             </strong>
             <br/>
           </xsp:content>
         } else if (request.getContentType()!=null &amp;&amp; request.getContentType().indexOf("multipart/form-data") != -1) {
         	<para><strong>Either uploads are turned off, or you submitted a blank form.</strong></para>
         	<para>To enable uploads, ensure that the value for the init-param "enable-uploads" in web.xml is set to true.</para>
         }
       </xsp:logic>

       Upload directory content:
       <ul>
         <xsp:logic>
          getLogger().debug("Dir=" + uploadDir);
           String[] filelist = uploadDir.list();
           <![CDATA[
           getLogger().debug("List=" + filelist.length);
           for (int i = 0; i < filelist.length; i++) {
              getLogger().debug("File [" + i + "]=" + filelist[i]);
           ]]>
             <li>
               <xsp:expr>filelist[i]</xsp:expr>
             </li>
           <![CDATA[
           }
           ]]>
         </xsp:logic>
       </ul>
     </para>
     <para>Brought to you by Cocoon at <xsp:expr>new Date()</xsp:expr>.</para>
   </content>
  </page>
</xsp:page>