/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 opennlp.tools.util.model;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

/**
 * An {@link ArtifactSerializer} implementation for binary data, kept in {@code byte[]}.
 */
public class ByteArraySerializer implements ArtifactSerializer<byte[]> {

  @Override
  public byte[] create(InputStream in) throws IOException {
    try (ByteArrayOutputStream byteArrayOut = new ByteArrayOutputStream()) {
      int length;
      byte[] buffer = new byte[1024];
      while ((length = in.read(buffer)) > 0) {
        byteArrayOut.write(buffer, 0, length);
      }
      byteArrayOut.flush();
      return byteArrayOut.toByteArray();
    }
  }

  @Override
  public void serialize(byte[] artifact, OutputStream out) throws IOException {
    out.write(artifact);
  }
}
