ActionSupport.java

public class ActionSupport implements TextProvider, ... {

    private final transient TextProvider textProvider = 
        new TextProviderFactory().createInstance(getClass(), this);

    ...
    public String getText(String aTextName) {
        return textProvider.getText(aTextName);
    }

    public String getText(String aTextName, String defaultValue) {
        return textProvider.getText(aTextName, defaultValue);
    }

    public String getText(String aTextName, String defaultValue, String obj) {
        return textProvider.getText(aTextName, defaultValue, obj);
    }

    public String getText(String aTextName, List<Object> args) {
        return textProvider.getText(aTextName, args);
    }
    ...
}