p:graphicImage don't support cache attribute when use StreamedContent?

[buleseli]

Hi,everyBody:
i want to cache the image when use p:graphicImage because my image is store in ftp! but it don't work with cache="true",every time i browse page,it download image from ftp! it don't know why! is anybody can explain for me or help to solve this issue? tks!

here the code i :

xhtml:
<div class="p-col-12 news-image">
<p:graphicImage value="#{ftpBean.getImage()}">
<f:param name="imageName" value="lkm_news1.jpg"/>
</p:graphicImage>

<p:graphicImage value="#{ftpBean.getImage()}">
<f:param name="imageName" value="lkm_news2.jpg"/>
</p:graphicImage>

<p:graphicImage value="#{ftpBean.getImage()}">
<f:param name="imageName" value="lkm_news3.jpg"/>
</p:graphicImage>
</div>

backing bean:

public StreamedContent getImage() {
String imageName =
FacesContext.getCurrentInstance().getExternalContext().getRequestParameterMap().get("imageName");
if (StringUtils.isBlank(imageName)) {
return new DefaultStreamedContent();
}
byte[] content = null;
if (!imageName.startsWith("images")) {
content = ftp.download("images/" + imageName);
} else {
content = ftp.download(imageName);
}
return getStreamContent(content , getMimeType(imageName));
}


primeface version:11.0.0
Web server:weblogic 14
jdk:1.8

[tandraschko]

Your getter is in general called 2 times, see:
https://stackoverflow.com/questions/595 ... 8#59577048

Even when cache is enabled and already cached on the browser, your getter is called 1 time. A fix is in the link above.