MockHttpSession.java 文件源码

/**
 * Serialize the attributes of this session into an object that can
 * be turned into a byte array with standard Java serialization.
 * @return a representation of this session's serialized state
 */
public Serializable serializeState() {
    HashMap state = new HashMap();
    for (Iterator it = this.attributes.entrySet().iterator(); it.hasNext();) {
        Map.Entry entry = (Map.Entry) it.next();
        String name = (String) entry.getKey();
        Object value = entry.getValue();
        it.remove();
        if (value instanceof Serializable) {
            state.put(name, value);
        }
        else {
            // Not serializable... Servlet containers usually automatically
            // unbind the attribute in this case.
            if (value instanceof HttpSessionBindingListener) {
                ((HttpSessionBindingListener) value).valueUnbound(new HttpSessionBindingEvent(this, name, value));
            }
        }
    }
    return state;
}