JSF MEDIAOUTPUT PDF

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The a4j:mediaOutput component allows images, video, sounds, and other binary resources to be displayed as defined by a user on the fly. The createContent. Hi All, I am using a4j:mediaoutput to render pdf but it ir throwing error [b]”File does not begin with ‘%PDF-‘”.[/b] Please find below the c. ? c=mediaOutput”>On the component LiveDemo page you can see the.

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As You see from the example above, first it is necessary to specify the kind of media data You want to generate.

This can be done with the help of “element” attribute, which possible values are imgobjectappletscriptlink or a. The “cacheable” defines whether the response will be cached or not.

In our case we don’t need our image to be cached, cause mediaiutput need it to be changed every time we refresh the page.

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The “mimeType” attribute defines the type of output content. It is used to define the corresponded type in the header of an HTTP response. The method accepts two parameters.

meidaoutput The first one — with an java. OutputStream type — is a reference to the stream that should be used for output.

An output stream accepts output bytes and sends them to a recipient.

java – How to use a4j:mediaOutput correctly for displaying images? – Stack Overflow

The second parameter is a reference to the component’s “value” attribute and has java. This parameter contains deserialized object with data specified in the “value” attribute. Now let’s create the MediaBean class and specify there a primitive random-number generator and paint method that will convert the generated mediaooutput into an output stream and give a JPEG image as a result.

The code for MediaBean class is usf to look as following:. Now it is necessary to create a class that will keep transmissional data that will be used as input data for a content creation method.

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The code for MediaData class is going to be as following:. A bean class transmitted into value should implement Serializable interface in order to be encoded to the URL of the jjsf.

Hence, when using the component it’s possible to output your data of any type on a page with Ajax requests. This will launch the RichFaces Jira page – to complete your feedback please login if needed, and submit the Jira.

Component Identification Parameters Name Value component-type org.