ImplicitObjectELResolver.java 文件源码

public Map<String,Cookie> getCookie() {
    if (this.cookie == null) {
        this.cookie = new ScopeMap<Cookie>() {
            @Override
            protected Enumeration<String> getAttributeNames() {
                Cookie[] c = ((HttpServletRequest) page.getRequest())
                        .getCookies();
                if (c != null) {
                    Vector<String> v = new Vector<String>();
                    for (int i = 0; i < c.length; i++) {
                        v.add(c[i].getName());
                    }
                    return v.elements();
                }
                return null;
            }

            @Override
            protected Cookie getAttribute(String name) {
                Cookie[] c = ((HttpServletRequest) page.getRequest())
                        .getCookies();
                if (c != null) {
                    for (int i = 0; i < c.length; i++) {
                        if (name.equals(c[i].getName())) {
                            return c[i];
                        }
                    }
                }
                return null;
            }

        };
    }
    return this.cookie;
}