由于primefaces 3.4中不再存在fileLimit我正在尝试解决实现验证器的工作,问题是方法validate从未被调用。那是我的验证器:
@FacesValidator(value ="fileLimitValidator")
public class FileLimitValidator implements Validator {
@Override
public void validate(final FacesContext context, final UIComponent component,
final Object value) throws ValidatorException {
final String fileLimit = (String)component.getAttributes().get("fileLimit");
final String size = (String)component.getAttributes().get("size");
if (fileLimit!=null && size!=null) {
if (Integer.valueOf(size) >= Integer.valueOf(fileLimit)) {
FacesUtils.throwErrorExceptionFromComponent(component,"fichero_confidencialidad_error");
}
}
}
}
在我的 facelet 中,我尝试过:
<p:fileUpload id="#{id}FileUpload"
fileUploadListener="#{bean[metodoTratarFichero]}" mode="advanced"
multiple="true" allowTypes="#{allowTypes}" showButtons="false"
update="#{id}ListaDocs #{id}MsgError" auto="true"
label="#{fileuploadmsg.label_boton}"
invalidFileMessage="#{fileuploadmsg.tipo_incorrecto}" >
<f:validator validatorId="fileLimitValidator"/>
<f:attribute name="fileLimit" value="#{fileLimit}"/>
<f:attribute name="size" value="#{listaDocumentos.size}"/>
</p:fileUpload>
和:
<p:fileUpload id="#{id}FileUpload"
fileUploadListener="#{bean[metodoTratarFichero]}" mode="advanced"
multiple="true" allowTypes="#{allowTypes}" showButtons="false"
update="#{id}ListaDocs #{id}MsgError" auto="true"
label="#{fileuploadmsg.label_boton}"
invalidFileMessage="#{fileuploadmsg.tipo_incorrecto}"
validator="fileLimitValidator">
<f:attribute name="fileLimit" value="#{fileLimit}"/>
<f:attribute name="size" value="#{listaDocumentos.size}"/>
</p:fileUpload>
和:
<p:fileUpload id="#{id}FileUpload"
fileUploadListener="#{bean[metodoTratarFichero]}" mode="advanced"
multiple="true" allowTypes="#{allowTypes}" showButtons="false"
update="#{id}ListaDocs #{id}MsgError" auto="true"
label="#{fileuploadmsg.label_boton}"
invalidFileMessage="#{fileuploadmsg.tipo_incorrecto}"
validator="#{fileLimitValidator}">
<f:attribute name="fileLimit" value="#{fileLimit}"/>
<f:attribute name="size" value="#{listaDocumentos.size}"/>
</p:fileUpload>
和:
<p:fileUpload id="#{id}FileUpload"
fileUploadListener="#{bean[metodoTratarFichero]}" mode="advanced"
multiple="true" allowTypes="#{allowTypes}" showButtons="false"
update="#{id}ListaDocs #{id}MsgError" auto="true"
label="#{fileuploadmsg.label_boton}"
invalidFileMessage="#{fileuploadmsg.tipo_incorrecto}"
validator="#{fileLimitValidator.validate}">
<f:attribute name="fileLimit" value="#{fileLimit}"/>
<f:attribute name="size" value="#{listaDocumentos.size}"/>
</p:fileUpload>
但 validate 方法永远不会被调用。正确的方法是什么?