dataease-dm/backend/src/main/java/io/dataease/commons/utils/IOUtils.java

package io.dataease.commons.utils;

import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import java.nio.charset.Charset;

public class IOUtils {
    public static String toString(InputStream inputStream, Charset charset) throws IOException {
        final int bufferSize = 1024;
        final char[] buffer = new char[bufferSize];
        final StringBuilder out = new StringBuilder();
        Reader in = new InputStreamReader(inputStream, charset);

        int charsRead;
        while ((charsRead = in.read(buffer, 0, buffer.length)) > 0) {
            out.append(buffer, 0, charsRead);
        }

        return out.toString();
    }
}