com.foxinmy.weixin4j.mp.component.WeixinComponentPreCodeCreator Maven / Gradle / Ivy

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微信公众平台API

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package com.foxinmy.weixin4j.mp.component;

import com.alibaba.fastjson.JSONObject;
import com.foxinmy.weixin4j.exception.WeixinException;
import com.foxinmy.weixin4j.http.weixin.WeixinResponse;
import com.foxinmy.weixin4j.model.Token;
import com.foxinmy.weixin4j.mp.type.URLConsts;
import com.foxinmy.weixin4j.token.TokenCreator;
import com.foxinmy.weixin4j.token.TokenManager;

/**
 * 微信开放平台应用组件预授权码创建
 *
 * @className WeixinComponentPreCodeCreator
 * @author jinyu([email protected])
 * @date 2016年7月5日
 * @since JDK 1.6
 */
public class WeixinComponentPreCodeCreator extends TokenCreator {

	private final TokenManager componentTokenManager;
	private final String componentId;

	/**
	 *
	 * @param componentTokenManager
	 *            应用套件的token
	 * @param componentId
	 *            应用组件ID
	 */
	public WeixinComponentPreCodeCreator(TokenManager componentTokenManager, String componentId) {
		this.componentTokenManager = componentTokenManager;
		this.componentId = componentId;
	}

	@Override
	public String key0() {
		return String.format("mp_component_precode_%s", componentId);
	}

	@Override
	public Token create() throws WeixinException {
		WeixinResponse response = weixinExecutor.post(
				String.format(URLConsts.COMPONENET_PRE_CODE_URL, componentTokenManager.getAccessToken()),
				String.format("{\"component_appid\":\"%s\"}", componentId));
		JSONObject result = response.getAsJson();
		return new Token(result.getString("pre_auth_code"), result.getLongValue("expires_in") * 1000l);
	}
}