I created a fileupload dialog and a image gallery on a jsf page. After each image upload the gallery should show all so far uploaded images. The images will be stored in a backend bean and should be fetched by the gallery dynamically from the backend bean. For some reason the gallery shows the image labels uploaded but not the referring image since the image resource could not be found.
I use spring, primefaces on tomcat. Thanks for any help in advance!
My JSF Page:
<p:fileUpload id="imageUpldoad" update="galleryPanel" fileUploadListener="#{wizzardBean.handleFileUpload}" mode="advanced" dragDropSupport="true"
sizeLimit="10000000" multiple="true" auto="false" fileLimit="100" allowTypes="/(\.|\/)(gif|jpe?g|png)$/" />
<p:panel id="galleryPanel">
<p:galleria id="gallery" value="#{wizzardBean.getHotelImages()}" var="img" panelWidth="500" panelHeight="313" showCaption="true" rendered="#{wizzardBean.showGallery()}">
<p:graphicImage name="#{img.name}" value="#{wizzardBean.hotelImage}" alt="Image Description for #{img.name}" title="#{img}">
<f:param id="imgId" name="imgId" value="#{img.id}" />
</p:graphicImage>
</p:galleria>
My Backend Bean:
public class WizzardBean extends BaseBean {
private List<HotelImage> hotelImages;
public void handleFileUpload(FileUploadEvent event) throws IOException {
if (event.getFile() != null) {
HotelImage hotelImage = new HotelImage(hotelImages.size(), event.getFile().getFileName(), event.getFile());
hotelImages.add(hotelImage);
}
}
public StreamedContent getHotelImage() {
ExternalContext externalContext = FacesContext.getCurrentInstance().getExternalContext();
String photoId = externalContext.getRequestParameterMap().get("imgId");
if (photoId == null || photoId.equals("")) {
return null;
} else {
int parsedId = Integer.parseInt(photoId);
return hotelImages.get(parsedId).getImage();
}
}
}
The HotelImage class:
public class HotelImage {
private int id;
private String name;
private StreamedContent image;
public HotelImage(int id, String name, UploadedFile file) {
this.id = id;
this.name = name;
try {
image = new DefaultStreamedContent(file.getInputstream(), "image/jpg");
} catch (IOException e) {
}
}
public int getId() {
return id;
}
public String getName() {
return name;
}
public StreamedContent getImage() {
return image;
}
The browser says:
<img id="mainFormId:j_idt52:j_idt55" src="RES_NOT_FOUND" alt="Image Description for twitter.png" title="twitter.png">