/// <summary>Read the contents of an entity and return it as a byte array.</summary>
/// <remarks>Read the contents of an entity and return it as a byte array.</remarks>
/// <param name="entity">the entity to read from=</param>
/// <returns>
/// byte array containing the entity content. May be null if
/// <see cref="Org.Apache.Http.HttpEntity.GetContent()">Org.Apache.Http.HttpEntity.GetContent()
/// </see>
/// is null.
/// </returns>
/// <exception cref="System.IO.IOException">if an error occurs reading the input stream
/// </exception>
/// <exception cref="System.ArgumentException">if entity is null or if content length > Integer.MAX_VALUE
/// </exception>
public static byte[] ToByteArray(HttpEntity entity)
{
Args.NotNull(entity, "Entity");
InputStream instream = entity.GetContent();
if (instream == null)
{
return(null);
}
try
{
Args.Check(entity.GetContentLength() <= int.MaxValue, "HTTP entity too large to be buffered in memory"
);
int i = (int)entity.GetContentLength();
if (i < 0)
{
i = 4096;
}
ByteArrayBuffer buffer = new ByteArrayBuffer(i);
byte[] tmp = new byte[4096];
int l;
while ((l = instream.Read(tmp)) != -1)
{
buffer.Append(tmp, 0, l);
}
return(buffer.ToByteArray());
}
finally
{
instream.Close();
}
}
/// <summary>
/// Get the entity content as a String, using the provided default character set
/// if none is found in the entity.
/// </summary>
/// <remarks>
/// Get the entity content as a String, using the provided default character set
/// if none is found in the entity.
/// If defaultCharset is null, the default "ISO-8859-1" is used.
/// </remarks>
/// <param name="entity">must not be null</param>
/// <param name="defaultCharset">character set to be applied if none found in the entity
/// </param>
/// <returns>
/// the entity content as a String. May be null if
/// <see cref="Org.Apache.Http.HttpEntity.GetContent()">Org.Apache.Http.HttpEntity.GetContent()
/// </see>
/// is null.
/// </returns>
/// <exception cref="Org.Apache.Http.ParseException">if header elements cannot be parsed
/// </exception>
/// <exception cref="System.ArgumentException">if entity is null or if content length > Integer.MAX_VALUE
/// </exception>
/// <exception cref="System.IO.IOException">if an error occurs reading the input stream
/// </exception>
/// <exception cref="Sharpen.UnsupportedCharsetException">
/// Thrown when the named charset is not available in
/// this instance of the Java virtual machine
/// </exception>
public static string ToString(HttpEntity entity, Encoding defaultCharset)
{
Args.NotNull(entity, "Entity");
InputStream instream = entity.GetContent();
if (instream == null)
{
return(null);
}
try
{
Args.Check(entity.GetContentLength() <= int.MaxValue, "HTTP entity too large to be buffered in memory"
);
int i = (int)entity.GetContentLength();
if (i < 0)
{
i = 4096;
}
Encoding charset = null;
try
{
ContentType contentType = ContentType.Get(entity);
if (contentType != null)
{
charset = contentType.GetCharset();
}
}
catch (UnsupportedCharsetException ex)
{
throw new UnsupportedEncodingException(ex.Message);
}
if (charset == null)
{
charset = defaultCharset;
}
if (charset == null)
{
charset = HTTP.DefContentCharset;
}
StreamReader reader = new InputStreamReader(instream, charset);
CharArrayBuffer buffer = new CharArrayBuffer(i);
char[] tmp = new char[1024];
int l;
while ((l = reader.Read(tmp)) != -1)
{
buffer.Append(tmp, 0, l);
}
return(buffer.ToString());
}
finally
{
instream.Close();
}
}
