com.macrossx.wechat.http.WechatHttpClient.java Source code

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Here is the source code for com.macrossx.wechat.http.WechatHttpClient.java

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/**
 * Copyright (C) 2016 X-Forever.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.macrossx.wechat.http;

import java.io.IOException;
import java.util.Optional;

import org.apache.http.HttpEntity;
import org.apache.http.HttpStatus;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpUriRequest;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;

import com.google.gson.Gson;

import lombok.extern.java.Log;

@Log
public class WechatHttpClient {

    public <T> Optional<T> send(final HttpUriRequest request, Class<T> clazz) {
        String result = this.send(request);
        if (result.isEmpty()) {
            return Optional.empty();
        } else {
            return Optional.of(new Gson().fromJson(result, clazz));
        }
    }

    public String send(final HttpUriRequest request) {
        String result = "";
        try {
            CloseableHttpResponse response = HttpClients.createDefault().execute(request);
            int statusCode = response.getStatusLine().getStatusCode();
            if (HttpStatus.SC_OK != statusCode) {
                log.info("Failed to get!");
                return "";
            }
            HttpEntity entity = response.getEntity();
            result = EntityUtils.toString(entity, "utf-8");
        } catch (IOException e) {
            log.info(e.getMessage());
        }
        return result;
    }

}