public final void replaceAttributeValue(final Component component, final ComponentTag tag) {
if (this.isEnabled(component)) {
final IValueMap attributes = tag.getAttributes();
final Object replacementValue = this.getReplacementOrNull(component);
if (AttributeModifier.VALUELESS_ATTRIBUTE_ADD == replacementValue) {
attributes.put((Object) this.attribute, (Object) null);
} else if (AttributeModifier.VALUELESS_ATTRIBUTE_REMOVE == replacementValue) {
attributes.remove((Object) this.attribute);
} else {
final String value = this.toStringOrNull(attributes.get((Object) this.attribute));
final String newValue = this.newValue(value, this.toStringOrNull(replacementValue));
if (newValue != null) {
attributes.put((Object) this.attribute, (Object) newValue);
}
}
}
}
/* (non-Javadoc)
* @see net.jawr.web.wicket.JawrAbstractReference#getReferencePath(org.apache.wicket.util.value.IValueMap)
*/
protected String getReferencePath(final IValueMap attributes) {
return (String) attributes.get("src");
}