VelocityToolboxView.java 文件源码

@Override
protected Context createVelocityContext(Map<String, Object> model,
        HttpServletRequest request, HttpServletResponse response)
        throws Exception {
    ViewToolContext velocityContext = new ViewToolContext(getVelocityEngine(), request, response, getServletContext());
    velocityContext.putAll(model);
    if(getToolboxConfigLocation() != null ||getToolboxConfigResource() != null){
        XmlFactoryConfiguration cfg = new XmlFactoryConfiguration();
        URL cfgUrl;
        if(getToolboxConfigLocation() != null){
            cfgUrl = new ServletContextResource(getServletContext(), getToolboxConfigLocation()).getURL();
            cfg.read(cfgUrl);
        }else if(getToolboxConfigResource() != null){
            cfgUrl = getToolboxConfigResource().getURL();
            cfg.read(cfgUrl);
            ToolboxFactory factory = cfg.createFactory();

            velocityContext.addToolbox(factory.createToolbox(Scope.APPLICATION));
            velocityContext.addToolbox(factory.createToolbox(Scope.REQUEST));
            velocityContext.addToolbox(factory.createToolbox(Scope.SESSION));
        }
    }
    return velocityContext;
}