content: /*
   *  Copyright (c) 2023-2025, Agents-Flex (fuhai999@gmail.com).
   *  <p>
   *  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
   *  <p>
   *  http://www.apache.org/licenses/LICENSE-2.0
   *  <p>
   *  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.agentsflex.core.util;
  
  import okio.BufferedSink;
  
  import java.io.*;
  import java.nio.charset.StandardCharsets;
  
  public class IOUtil {
      private static final int DEFAULT_BUFFER_SIZE = 8192;
  
      public static void writeBytes(byte[] bytes, File toFile) {
          try (FileOutputStream stream = new FileOutputStream(toFile)) {
              stream.write(bytes);
          } catch (IOException e) {
              throw new UncheckedIOException(e);
          }
      }
  
      public static byte[] readBytes(File file) {
          try (FileInputStream inputStream = new FileInputStream(file)) {
              return readBytes(inputStream);
          } catch (IOException e) {
              throw new UncheckedIOException(e);
          }
      }
  
      public static byte[] readBytes(InputStream inputStream) {
          try {
              ByteArrayOutputStream outStream = new ByteArrayOutputStream();
              copy(inputStream, outStream);
              return outStream.toByteArray();
          } catch (IOException e) {
              throw new UncheckedIOException(e);
          }
      }
  
      public static void copy(InputStream inputStream, BufferedSink sink) throws IOException {
          byte[] buffer = new byte[DEFAULT_BUFFER_SIZE];
          for (int len; (len = inputStream.read(buffer)) != -1; ) {
              sink.write(buffer, 0, len);
          }
      }
  
      public static void copy(InputStream inputStream, OutputStream outStream) throws IOException {
          byte[] buffer = new byte[DEFAULT_BUFFER_SIZE];
          for (int len; (len = inputStream.read(buffer)) != -1; ) {
              outStream.write(buffer, 0, len);
          }
      }
  
      public static String readUtf8(InputStream inputStream) throws IOException {
          ByteArrayOutputStream outStream = new ByteArrayOutputStream();
          copy(inputStream, outStream);
          return new String(outStream.toByteArray(), StandardCharsets.UTF_8);
      }
  
  
  }
  