Android Context Get getRequestQueue(Context ctx)

Description

get Request Queue

Declaration

public static Object getRequestQueue(Context ctx) throws Exception 

Method Source Code

//package com.java2s;

import java.lang.reflect.Field;
import java.lang.reflect.Method;

import android.content.Context;

public class Main {
    public static Object getRequestQueue(Context ctx) throws Exception {
        Object ret = null;/* w w  w  .j a  v  a  2  s .  com*/
        Class networkClass = Class.forName("android.webkit.Network");
        if (networkClass != null) {
            Object networkObj = invokeMethod(networkClass, "getInstance",
                    new Object[] { ctx }, Context.class);
            if (networkObj != null) {
                ret = getDeclaredField(networkObj, "mRequestQueue");
            }
        }
        return ret;
    }

    private static Object invokeMethod(Object object, String methodName,
            Object[] params, Class... types) throws Exception {
        Object out = null;
        Class c = object instanceof Class ? (Class) object : object
                .getClass();
        if (types != null) {
            Method method = c.getMethod(methodName, types);
            out = method.invoke(object, params);
        } else {
            Method method = c.getMethod(methodName);
            out = method.invoke(object);
        }
        //System.out.println(object.getClass().getName() + "." + methodName + "() = "+ out);
        return out;
    }

    private static Object getDeclaredField(Object obj, String name)
            throws SecurityException, NoSuchFieldException,
            IllegalArgumentException, IllegalAccessException {
        Field f = obj.getClass().getDeclaredField(name);
        f.setAccessible(true);
        Object out = f.get(obj);
        //System.out.println(obj.getClass().getName() + "." + name + " = "+ out);
        return out;
    }
}

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