org.zkoss.zkmax.au.http
Class AuDownloader

java.lang.Object
  org.zkoss.zkmax.au.http.AuDownloader

All Implemented Interfaces:

AuProcessor

public class AuDownloader
extends java.lang.Object
implements AuProcessor

The AU processor to handle the resumable download.

Since:

3.5.0

Author:

tomyeh

See Also:

Filedownload

Method Summary

static java.lang.String	getDownloadURI(java.io.File file, java.lang.String contentType, java.lang.String data) Returns the download URI of the specified file.
static java.lang.String	getDownloadURI(java.lang.String path, java.lang.String contentType, java.lang.String data) Returns the download URI of the specified file.
static java.lang.String	getDownloadURI(java.net.URL url, java.lang.String contentType, java.lang.String data) Returns the download URI of the specified file.
static void	init(WebApp wapp) Initializes the downloader.
void	process(Session sess, javax.servlet.ServletContext ctx, javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, java.lang.String pi) Called to process the request if the session is available.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

init

public static void init(WebApp wapp)

Initializes the downloader.

getDownloadURI

public static java.lang.String getDownloadURI(java.io.File file,
                                              java.lang.String contentType,
                                              java.lang.String data)

Returns the download URI of the specified file.

getDownloadURI

public static java.lang.String getDownloadURI(java.net.URL url,
                                              java.lang.String contentType,
                                              java.lang.String data)

Returns the download URI of the specified file.

getDownloadURI

public static java.lang.String getDownloadURI(java.lang.String path,
                                              java.lang.String contentType,
                                              java.lang.String data)

Returns the download URI of the specified file.

Parameters:

path - the path to access the resource of the Web application. In other words, it is URI of ServletContext. Since 3.6.1: if the path is relative, Desktop.getCurrentDirectory() is assumed.

process

public void process(Session sess,
                    javax.servlet.ServletContext ctx,
                    javax.servlet.http.HttpServletRequest request,
                    javax.servlet.http.HttpServletResponse response,
                    java.lang.String pi)
             throws javax.servlet.ServletException,
                    java.io.IOException

Description copied from interface: AuProcessor

Called to process the request if the session is available.

Specified by:

process in interface AuProcessor

Parameters:

sess - the session, or null if the session is not available.

ctx - the servlet context (never null).

request - the request (never null).

response - the response (never null).

pi - the path info. It includes the prefix when the Au processor is associated (see DHtmlUpdateServlet.addAuProcessor(org.zkoss.zk.ui.WebApp, java.lang.String, org.zkoss.zk.au.http.AuProcessor). For example, if an AU processor is assoicated with "/upload", then pi must start with "/upload". Note: it might end with other string depending on the URI you generated to the client.

Throws:

javax.servlet.ServletException

java.io.IOException