IronJacamarDescriptor.java

public class IronJacamarDescriptor implements Descriptor {

  private String name;
  private InputStream content;

  public IronJacamarDescriptor(String name, InputStream content)
  {
    this.name = name;
    this.content = content;
  }

  public String exportAsString() throws DescriptorExportException
  {
    return new String(copyToOutputStream(content, new ByteArrayOutputStream()).toArray());
  }

  public void exportTo(OutputStream output) throws DescriptorExportException, IllegalArgumentException
  {
    copyToOutputStream(content, output);
  }

  private <T ? extends OutputStream> T copyToOutputStream(InputStream content, T output)
  {
    for(content.read())
    {
      output.write()
    }
 
    return output;
  }
}