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<h:form enctype="multipart/form-data">
<p:messages showDetail="true"/>upload only jpg/ png/ gif
<p:fileUpload fileUploadListener="#{fileUploadController.upload}" auto="true" invalidSizeMessage="size exceeeded" invalidFileMessage="file not supported" sizeLimit="1000000" allowTypes="jpg, png, gif" mode="advanced"/>
</h:form>
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@ManagedBean(name = "fileUploadController")
@RequestScoped
public class FileUploadController {
public void upload(FileUploadEvent event) {
.....
.....
}
}
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<filter>
<filter-name>PrimeFaces FileUpload Filter</filter-name>
<filter-class>
org.primefaces.webapp.filter.FileUploadFilter
</filter-class>
<init-param>
<param-name>thresholdSize</param-name>
<param-value>51200</param-value>
</init-param>
<init-param>
<param-name>uploadDirectory</param-name>
<param-value>/uploadedFilesDirectoryForGlassfish</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>PrimeFaces FileUpload Filter</filter-name>
<servlet-name>Faces Servlet</servlet-name>
</filter-mapping>