/*
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*/
package com.evasion.common.security.component;
import java.io.IOException;
import javax.faces.component.FacesComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import org.springframework.beans.BeanWrapperImpl;
import org.springframework.beans.BeansException;
import org.springframework.security.Authentication;
import org.springframework.security.context.SecurityContext;
import org.springframework.security.context.SecurityContextHolder;
import org.springframework.security.util.TextUtils;
/**
*
* @author sebastien.glon
*/
@FacesComponent(value = "com.evasion.common.security.component.AuthenticationTag")
public class AuthenticationTag extends Component {
public AuthenticationTag() {
super();
}
@Override
public String getFamily() {
return "com.evasion";
}
@Override
public String getRendererType() {
return null;
}
protected enum PropertyKeys {
property;
String toString;
PropertyKeys(String toString) {
this.toString = toString;
}
PropertyKeys() {
}
@Override
public String toString() {
return ((toString != null) ? toString : super.toString());
}
}
public String getProperty() {
return (java.lang.String) getStateHelper().eval(PropertyKeys.property);
}
public void setProperty(String property) {
getStateHelper().put(PropertyKeys.property, property);
handleAttribute("property", property);
}
@Override
public void encodeBegin(FacesContext context) throws IOException {
Object result = null;
ResponseWriter writer = context.getResponseWriter();
if (getProperty() != null) {
if ((SecurityContextHolder.getContext() == null)
|| (SecurityContextHolder.getContext().getAuthentication() == null)) {
return;
}
Authentication auth = SecurityContextHolder.getContext().getAuthentication();
if (auth.getPrincipal() == null) {
return;
}
try {
BeanWrapperImpl wrapper = new BeanWrapperImpl(auth);
result = wrapper.getPropertyValue(getProperty());
} catch (BeansException e) {
throw new javax.faces.FacesException(e);
}
writer.write(TextUtils.escapeEntities(String.valueOf(result)));
}
}
}