CAF Client-Side Annotations
These annotations provide additional CAF-specific metadata for custom components defined with annotations:
@ClientSideModel. If this annotation is found on a custom JSF renderer class, then the configured client-side-model will be used for the rendered component.
@ClientSideValidator. If this annotation is found on a custom validator class, then the additional client-side validation will be applied to any input control that is bound to the validator.
Pertinent code is highlighted in bold.
Example: Client-Side Model
package caf.war.testapp 1.test1;
import com.webmethods.caf.faces.annotations. ClientSideModel;
import com.webmethods.caf.faces.annotations. ClientSideScript;
import com.webmethods.caf.faces.render.html.input.BaseHtmlInputRenderer;
/**
* Sample that demonstrates how to declare the CAF client-side-model
* that should be used for the rendered component.
*/
@ClientSideModel (
function = "CAF.TestApp1Custom.Model", //model js function
base = "testapp1", //app containing the .js resources
scripts = { //additional .js files to load into the page
@ClientSideScript (
resource = "/dyn/j/ui/js/controls/custom.js",
library = "controls/testapp1"
)
}
)
public class CustomRenderer extends BaseHtmlInputRenderer {
//TODO add your renderer implementation here
}
Example: Client-Side Validator
package caf.war.testapp1.test1;
import javax.faces.application.FacesMessage;
import javax.faces.component .UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.validator.FacesValidator;
import javax.faces.validator.Validator;
import javax.faces.validator.ValidatorException;
import com.webmethods.caf.common.StringTools;
import com.webmethods.caf.faces.annotations.ClientSideScript;
import com.webmethods.caf.faces.annotations.ClientSideValidator;
/**
* Demonstrates creating a custom server-side validator from scratch.
*/
@FacesValidator(value="caf.war.testapp 1.test1.validator.custom")
// (optionally) register the equivalent client-side validator as below
@ClientSideValidator (
function = "TestApp1.customValidate", //validate js function
base = "testapp1", //app containing the .js resources
scripts = { //additional .js files to load into the page
@ClientSideScript (
resource = "/js/validators/custom.js",
library = "validators/testapp1"
)
}
)
public class CustomValidator implements Validator {
/* (non-Javadoc)
* @see javax.faces.validator.Validator#validate(javax.faces.context.
FacesContext, javax.faces.component.UIComponent, java.lang.Object)
*/
@Override
public void validate(FacesContext context,
UIComponent component,
Object value) throws ValidatorException {
if (!"hello".equals(value)) {
Object o = component.getAttributes().get("label");
if (o == null || (o instanceof String &&
((String) o).length() == 0)) {
o = component.getValueExpression("label");
}
String label = null;
if (o instanceof String) {
label = (String)o;
}
FacesMessage msg = null;
if (StringTools.notEmpty(label)) {
msg = new FacesMessage(FacesMessage.SEVERITY_ERROR,
label + " : Value must be 'hello'", //summary
label + " : Value must be 'hello'"); //details
} else {
msg = new FacesMessage(FacesMessage.SEVERITY_ERROR,
"Value must be 'hello'", //summary
"Value must be 'hello'"); //details
}
throw new ValidatorException(msg);
}
}
}
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