org.turro.attach.www.AttachDownload Class Reference

Inheritance diagram for org.turro.attach.www.AttachDownload:

Collaboration diagram for org.turro.attach.www.AttachDownload:

Public Member Functions
boolean	itsMe (String id)
boolean	myTurn (HttpServletRequest request)
void	execute (ServletContext context, HttpServletRequest request, HttpServletResponse response)

Static Public Member Functions
static String	createURL (IConstructor constructor, Attachment attachment)
static String	createROURL (IConstructor constructor, Attachment attachment)
static String	getIdentifier ()

Detailed Description

Author

Lluis Turró Cutiller lluis.nosp@m.@tur.nosp@m.ro.or.nosp@m.g

Definition at line 49 of file AttachDownload.java.

Member Function Documentation

createROURL()

static String org.turro.attach.www.AttachDownload.createROURL ( IConstructor  constructor, Attachment  attachment  )

static

Definition at line 62 of file AttachDownload.java.

                                                                                    {
    if("pdf".equalsIgnoreCase(attachment.getFileExtension())) {
      try {
        Map<String, String> downKeys = (Map<String, String>) constructor.getSessionAttribute("downKeys");
        if(downKeys == null) {
          downKeys = new HashMap<>();
        }
        String key = Cipher.digest(attachment.getId() + "", 40);
        downKeys.put(key, attachment.getId() + "");
        constructor.setSessionAttribute("downKeys", downKeys);
        return ElephantContext.getRootWebPath() +
                "/_internal/js/pdfjs/web/roviewer.html?file=" +
                ElephantContext.getRootWebPath() + DirectContents.DIRECT_CONTENT_PATH + getIdentifier() + "?id" + URLEncoder.encode("=", "UTF-8") + key;
      } catch (UnsupportedEncodingException ex) {
        Logger.getLogger(AttachDownload.class.getName()).log(Level.SEVERE, ElephantContext.logMsg(null), ex);
        return null;
      }
    } else {
      return createURL(constructor, attachment);
    }
  }

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createURL()

static String org.turro.attach.www.AttachDownload.createURL ( IConstructor  constructor, Attachment  attachment  )

static

Definition at line 51 of file AttachDownload.java.

                                                                                  {
    Map<String, String> downKeys = (Map<String, String>) constructor.getSessionAttribute("downKeys");
    if(downKeys == null) {
      downKeys = new HashMap<>();
    }
    String key = Cipher.digest(attachment.getId() + "", 40);
    downKeys.put(key, attachment.getId() + "");
    constructor.setSessionAttribute("downKeys", downKeys);
    return ElephantContext.getRootWebPath() + DirectContents.DIRECT_CONTENT_PATH + getIdentifier() + "?id=" + key;
  }

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execute()

void org.turro.attach.www.AttachDownload.execute	(	ServletContext	context,
		HttpServletRequest	request,
		HttpServletResponse	response
	)

Implements org.turro.elephant.direct.IDirectContent.

Definition at line 99 of file AttachDownload.java.

                                                                                                        {
    Map downKeys = (Map) request.getSession().getAttribute("downKeys");
    if(downKeys != null) {
      String value = (String) downKeys.get(request.getParameter("id"));
      if(value != null) {
        Attachment attachment = new AttachPU().find(Attachment.class, Long.parseLong(value));
        if(attachment != null) {
          try {
            String contentType = attachment.getFileContentType();
            String fileName = attachment.getFileName();
            
            response.setHeader("pragma", "no-cache");
            response.setHeader("Cache-control", "no-cache, no-store, must-revalidate");
            response.setHeader("Expires", "01 Apr 1995 01:10:10 GMT");
            
            if(contentType!=null) {
              response.setContentType(contentType);
            }
            
            if(fileName != null) {
              fileName = fileName.substring(fileName.lastIndexOf('\\')+1);
              fileName = fileName.substring(fileName.lastIndexOf('/')+1);
              
              StringBuilder contentDisposition = new StringBuilder();
              
              contentDisposition.append("filename=\"");
              contentDisposition.append(fileName);
              contentDisposition.append("\"");
              
              response.setHeader("Content-Disposition", contentDisposition.toString());
              response.setHeader("Content-Lenght", attachment.getFileSize() + "");
            }
            
            byte[] bytes = attachment.getContentModified(Authentication.getIContact());//LoadContent.getContent(attachment);
            if (bytes != null) {
              response.getOutputStream().write(bytes);
              SystemLogger.getInstance().doLog(SystemLogType.LOG_INFO, "/attachment/" + attachment.getId(), "downloaded", null);
            }
          } catch (IOException | DocumentException ex) {
            Logger.getLogger(AttachDownload.class.getName()).log(Level.SEVERE, ElephantContext.logMsg(null), ex);
          }
        }
      }
    }
  }

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getIdentifier()

static String org.turro.attach.www.AttachDownload.getIdentifier ( )

static

Definition at line 84 of file AttachDownload.java.

                                       {
    return AttachDownload.class.getAnnotation(DirectContent.class).identifier();
  }

itsMe()

boolean org.turro.attach.www.AttachDownload.itsMe

(

String

id

)

Implements org.turro.elephant.direct.IDirectContent.

Definition at line 89 of file AttachDownload.java.

                                  {
    return getIdentifier().equals(id);
  }

myTurn()

boolean org.turro.attach.www.AttachDownload.myTurn

(

HttpServletRequest

request

)

Implements org.turro.elephant.direct.IDirectContent.

Definition at line 94 of file AttachDownload.java.

                                                    {
    return DirectContents.isYourTurn(request, getIdentifier());
  }

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The documentation for this class was generated from the following file:

• AttachDownload.java