HttpMethodMapper.java

/*
 * Created by LuaView.
 * Copyright (c) 2017, Alibaba Group. All rights reserved.
 *
 * This source code is licensed under the MIT.
 * For the full copyright and license information,please view the LICENSE file in the root directory of this source tree.
 */

package com.taobao.luaview.fun.mapper.net;

import com.taobao.luaview.fun.base.BaseMethodMapper;
import com.taobao.luaview.fun.mapper.LuaViewLib;
import com.taobao.luaview.userdata.net.UDHttp;
import com.taobao.luaview.util.LuaUtil;

import org.luaj.vm2.LuaFunction;
import org.luaj.vm2.LuaTable;
import org.luaj.vm2.LuaValue;
import org.luaj.vm2.Varargs;

import java.util.List;

/**
 * http 接口封装
 *
 * @author song
 * @date 15/8/21
 */
@LuaViewLib(revisions = {"20170306已对标", "iOS不支持对象调用，只支持创建方式调用，待统一"})
public class HttpMethodMapper<U extends UDHttp> extends BaseMethodMapper<U> {

    private static final String TAG = "HttpMethodMapper";
    private static final String[] sMethods = new String[]{
            "url",//0
            "method",//1
            "retryTimes",//2
            "timeout",//3
            "params",//4
            "callback",//5
            "request",//6
            "cancel",//7
            "get",//8
            "post"//9
    };

    @Override
    public List<String> getAllFunctionNames() {
        return mergeFunctionNames(TAG, super.getAllFunctionNames(), sMethods);
    }

    @Override
    public Varargs invoke(int code, U target, Varargs varargs) {
        final int optcode = code - super.getAllFunctionNames().size();
        switch (optcode) {
            case 0:
                return url(target, varargs);
            case 1:
                return method(target, varargs);
            case 2:
                return retryTimes(target, varargs);
            case 3:
                return timeout(target, varargs);
            case 4:
                return params(target, varargs);
            case 5:
                return callback(target, varargs);
            case 6:
                return request(target, varargs);
            case 7:
                return cancel(target, varargs);
            case 8:
                return get(target, varargs);
            case 9:
                return post(target, varargs);
        }
        return super.invoke(code, target, varargs);
    }

    //--------------------------------------- API --------------------------------------------------


    /**
     * 设置请求url
     *
     * @param http
     * @param varargs
     * @return
     */
    public LuaValue url(U http, Varargs varargs) {
        if (varargs.narg() > 1) {
            return setUrl(http, varargs);
        } else {
            return getUrl(http, varargs);
        }
    }

    public LuaValue setUrl(U http, Varargs varargs) {
        final String url = varargs.optjstring(2, null);
        return http.setUrl(url);
    }

    public LuaValue getUrl(U http, Varargs varargs) {
        return valueOf(http.getUrl());
    }

    /**
     * 请求方法
     *
     * @param http
     * @param varargs
     * @return
     */
    public LuaValue method(U http, Varargs varargs) {
        if (varargs.narg() > 1) {
            return setMethod(http, varargs);
        } else {
            return getMethod(http, varargs);
        }
    }

    public LuaValue setMethod(U http, Varargs varargs) {
        final String method = varargs.optjstring(2, UDHttp.METHOD_POST);
        return http.setMethod(method);
    }

    public LuaValue getMethod(U http, Varargs varargs) {
        return valueOf(http.getMethod());
    }

    /**
     * 重试次数
     *
     * @param http
     * @param varargs
     * @return
     */
    public LuaValue retryTimes(U http, Varargs varargs) {
        if (varargs.narg() > 1) {
            return setRetryTimes(http, varargs);
        } else {
            return getRetryTimes(http, varargs);
        }
    }

    public LuaValue setRetryTimes(U http, Varargs varargs) {
        final int retryTimes = varargs.optint(2, UDHttp.DEFAULT_RETRY_TIMES);
        return http.setRetryTimes(retryTimes);
    }

    public LuaValue getRetryTimes(U http, Varargs varargs) {
        return valueOf(http.getRetryTimes());
    }

    /**
     * 延时
     *
     * @param http
     * @param varargs
     * @return
     */
    public LuaValue timeout(U http, Varargs varargs) {
        if (varargs.narg() > 1) {
            return setTimeout(http, varargs);
        } else {
            return getTimeout(http, varargs);
        }
    }

    public LuaValue setTimeout(U http, Varargs varargs) {
        final int timeout = varargs.optint(2, UDHttp.DEFAULT_TIMEOUT);
        return http.setTimeout(timeout);
    }

    public LuaValue getTimeout(U http, Varargs varargs) {
        return valueOf(http.getTimeout());
    }

    /**
     * 参数
     *
     * @param http
     * @param varargs
     * @return
     */
    public LuaValue params(U http, Varargs varargs) {
        if (varargs.narg() > 1) {
            return setParams(http, varargs);
        } else {
            return getParams(http, varargs);
        }
    }

    public LuaValue setParams(U http, Varargs varargs) {
        final LuaTable params = http.opttable(2, null);
        return http.setParams(params);
    }

    public LuaValue getParams(U http, Varargs varargs) {
        return http.getParams();
    }

    /**
     * 回调
     *
     * @param http
     * @param varargs
     * @return
     */
    public LuaValue callback(U http, Varargs varargs) {
        if (varargs.narg() > 1) {
            return setCallback(http, varargs);
        } else {
            return getCallback(http, varargs);
        }
    }

    public LuaValue setCallback(U http, Varargs varargs) {
        final LuaFunction callback = varargs.optfunction(2, null);
        return http.setCallback(callback);
    }

    public LuaValue getCallback(U http, Varargs varargs) {
        return http.getCallback();
    }

    /**
     * 请求
     *
     * @param http
     * @param varargs
     * @return
     */
    public LuaValue request(U http, Varargs varargs) {
        return http.request();
    }

    /**
     * 取消
     *
     * @param http
     * @param varargs
     * @return
     */
    public LuaValue cancel(U http, Varargs varargs) {
        return http.cancel();
    }

    /**
     * get请求
     *
     * @param http
     * @param varargs
     * @return
     */
    public LuaValue get(U http, Varargs varargs) {
        final String url = LuaUtil.getString(varargs, 2);
        final LuaTable params = LuaUtil.getTable(varargs, 3, 2);
        final LuaFunction callback = LuaUtil.getFunction(varargs, 4, 3, 2);
        return http.get(url, params, callback);
    }

    /**
     * pos 请求
     *
     * @param http
     * @param varargs
     * @return
     */
    public LuaValue post(U http, Varargs varargs) {
        final String url = LuaUtil.getString(varargs, 2);
        final LuaTable params = LuaUtil.getTable(varargs, 3, 2);
        final LuaFunction callback = LuaUtil.getFunction(varargs, 4, 3, 2);
        return http.post(url, params, callback);
    }
}