org.zkoss.zul

Class Filedownload

java.lang.Object

org.zkoss.zul.Filedownload

public class Filedownload
extends Object

File download utilities.

Author:

tomyeh

See Also:

Fileupload

Constructor Summary

Constructors

Constructor and Description
Filedownload()

Method Summary

Methods

Modifier and Type	Method and Description
static void	save(byte[] content, String contentType, String flnm) Open a download dialog to save the specified content at the client with the suggested file name.
static void	save(File file, String contentType) Open a download dialog to save the specified file at the client.
static void	save(InputStream content, String contentType, String flnm) Open a download dialog to save the specified content at the client with the suggested file name.
static void	save(org.zkoss.util.media.Media media) Open a download dialog to save the specified content at the client.
static void	save(org.zkoss.util.media.Media media, String flnm) Open a download dialog to save the specified content at the client with the suggested file name.
static void	save(Reader content, String contentType, String flnm) Open a download dialog to save the specified content at the client with the suggested file name.
static void	save(String path, String contentType) Open a download dialog to save the resource of the specified path at the client.
static void	save(String content, String contentType, String flnm) Open a download dialog to save the specified content at the client with the suggested file name.
static void	save(URL url, String contentType) Open a download dialog to save the resource of the specified URL at the client.

Methods inherited from class java.lang.Object

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

Constructor Detail

Filedownload

public Filedownload()

Method Detail

save

public static void save(org.zkoss.util.media.Media media)

Open a download dialog to save the specified content at the client.

save

public static void save(org.zkoss.util.media.Media media,
        String flnm)

Open a download dialog to save the specified content at the client with the suggested file name.

Parameters:

media - the media to download

flnm - the suggested file name, e.g., myfile.pdf. If null, Media.getName() is assumed.

save

public static void save(byte[] content,
        String contentType,
        String flnm)

Open a download dialog to save the specified content at the client with the suggested file name.

Parameters:

content - the content

contentType - the content type (a.k.a., MIME type), e.g., application/pdf

flnm - the suggested file name, e.g., myfile.pdf. If null, no suggested name is provided.

save

public static void save(String content,
        String contentType,
        String flnm)

Open a download dialog to save the specified content at the client with the suggested file name.

Parameters:

content - the content

contentType - the content type (a.k.a., MIME type), e.g., application/pdf

flnm - the suggested file name, e.g., myfile.pdf. If null, no suggested name is provided.

save

public static void save(InputStream content,
        String contentType,
        String flnm)

Open a download dialog to save the specified content at the client with the suggested file name.
Note: You don't need to close the content (a InputStream), it will be closed automatically after download.

Parameters:

content - the content

contentType - the content type (a.k.a., MIME type), e.g., application/pdf

flnm - the suggested file name, e.g., myfile.pdf. If null, no suggested name is provided.

save

public static void save(Reader content,
        String contentType,
        String flnm)

Open a download dialog to save the specified content at the client with the suggested file name.
Note: You don't need to close the content (a Reader), it will be closed automatically after download.

Parameters:

content - the content

contentType - the content type (a.k.a., MIME type), e.g., application/pdf

flnm - the suggested file name, e.g., myfile.pdf. If null, no suggested name is provided.

save

public static void save(File file,
        String contentType)
                 throws FileNotFoundException

Open a download dialog to save the specified file at the client.

Parameters:

file - the file to download to the client

contentType - the content type, e.g., application/pdf. Unlike other save methods, it is optional. If null, the file name's extension is used to determine the content type.

Throws:

FileNotFoundException - if the file is not found.

Since:

3.0.8

save

public static void save(URL url,
        String contentType)
                 throws FileNotFoundException

Open a download dialog to save the resource of the specified URL at the client. The path must be retrievable by use of WebApp.getResource(java.lang.String).

Parameters:

url - the URL to get the resource

contentType - the content type, e.g., application/pdf. Unlike other save methods, it is optional. If null, the path's extension is used to determine the content type.

Throws:

FileNotFoundException - if the resource is not found.

Since:

3.0.8

save

public static void save(String path,
        String contentType)
                 throws FileNotFoundException

Open a download dialog to save the resource of the specified path at the client.

Parameters:

path - the path of the resource. It must be retrievable by use of WebApp.getResource(java.lang.String).

contentType - the content type, e.g., application/pdf. Unlike other save methods, it is optional. If null, the path's extension is used to determine the content type.

Throws:

FileNotFoundException - if the resource is not found.

Since:

3.0.8