ByteArrayBody.java

/*
 * Copyright 2014-2016 CyberVision, Inc.
 *
 * 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 org.kaaproject.kaa.client.transport;

import org.apache.http.entity.mime.MIME;
import org.apache.http.entity.mime.content.AbstractContentBody;

import java.io.IOException;
import java.io.OutputStream;

public class ByteArrayBody extends AbstractContentBody {

  private final byte[] data;

  private final String filename;

  /**
   * All-args constructor.
   */
  public ByteArrayBody(final byte[] data, final String mimeType, final String filename) {
    super(mimeType);
    if (data == null) {
      throw new IllegalArgumentException("byte[] data may not be null");
    }
    this.data = data;
    this.filename = filename;
  }

  public ByteArrayBody(final byte[] data, final String filename) {
    this(data, "application/octet-stream", filename);
  }

  @Override
  public String getFilename() {
    return filename;
  }

  @Override
  public String getCharset() {
    return null;
  }

  @Override
  public String getTransferEncoding() {
    return MIME.ENC_BINARY;
  }

  @Override
  public long getContentLength() {
    return data.length;
  }

  @Override
  public void writeTo(OutputStream out) throws IOException {
    out.write(data);
  }

}