content: /*
   * 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.github.pgasync.io;
  
  import java.io.ByteArrayOutputStream;
  import java.nio.ByteBuffer;
  import java.nio.charset.Charset;
  
  /**
   * Static utility methods for input/output.
   *
   * @author Antti Laisi
   */
  public class IO {
  
      public static String getCString(ByteBuffer buffer, Charset charset) {
          ByteArrayOutputStream readBuffer = new ByteArrayOutputStream(255);
          for (int c = buffer.get(); c != 0; c = buffer.get()) {
              readBuffer.write(c);
          }
          return new String(readBuffer.toByteArray(), charset);
      }
  
      public static void putCString(ByteBuffer buffer, String value, Charset charset) {
          if (!value.isEmpty()) {
              buffer.put(value.getBytes(charset));
          }
          buffer.put((byte) 0);
      }
  
  }
  