package com.consum.base.core.tools; import net.bytebuddy.implementation.bind.annotation.Super; import java.util.HashMap; import java.util.Map; public class SuperMap extends HashMap { public SuperMap putMap(Map map){ super.putAll(map); return this; } public String getString(String key){ Object obj = this.get(key); if (obj == null) return null; return obj.toString(); } public Long getLong(String key){ String value = getString(key); return value == null ? null : Long.valueOf(value); } }