com.qcloud.cos.internal.cihandler.CICommonJsonResponseHandler Maven / Gradle / Ivy

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java sdk for qcloud cos

There is a newer version: 5.6.238.2

package com.qcloud.cos.internal.cihandler;

import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.PropertyNamingStrategy;
import com.qcloud.cos.utils.IOUtils;

import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.nio.charset.StandardCharsets;

public class CICommonJsonResponseHandler {

    public T getResponse(InputStream in, Class tClass) throws IOException {
        String response = inputStreamToStringUsingBufferedReader(in);
        System.out.println(response);
        ObjectMapper objectMapper = new ObjectMapper();
        objectMapper.setPropertyNamingStrategy(PropertyNamingStrategy.UPPER_CAMEL_CASE);
        objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
        return objectMapper.readValue(response, tClass);
    }

    private static String inputStreamToStringUsingBufferedReader(InputStream inputStream) {
        // 使用 BufferedReader 类，配合 StringBuilder 进行读取
        StringBuilder stringBuilder = new StringBuilder();
        try (BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream, StandardCharsets.UTF_8))) {
            String line;
            while ((line = reader.readLine()) != null) {
                stringBuilder.append(line);
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
        return stringBuilder.toString();
    }
}