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/*
* $Id: ByteArrayRequestBodyWriter.java,v 1.1 2004/07/22 13:23:52 dog Exp $
* Copyright (C) 2004 The Free Software Foundation
*
* This file is part of GNU inetlib, a library.
*
* GNU inetlib is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* GNU inetlib is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* As a special exception, if you link this library with other files to
* produce an executable, this library does not by itself cause the
* resulting executable to be covered by the GNU General Public License.
* This exception does not however invalidate any other reasons why the
* executable file might be covered by the GNU General Public License.
*/
package gnu.inet.http;
/**
* A simple request body writer using a byte array.
*
* @author <a href='mailto:dog@gnu.org'>Chris Burdess</a>
*/
public class ByteArrayRequestBodyWriter
implements RequestBodyWriter
{
/**
* The content.
*/
protected byte[] content;
/**
* The position within the content at which the next read will occur.
*/
protected int pos;
/**
* Constructs a new byte array request body writer with the specified
* content.
* @param content the content buffer
*/
public ByteArrayRequestBodyWriter (byte[] content)
{
this.content = content;
pos = 0;
}
/**
* Returns the total number of bytes that will be written in a single pass
* by this writer.
*/
public int getContentLength ()
{
return content.length;
}
/**
* Initialises the writer.
* This will be called before each pass.
*/
public void reset ()
{
pos = 0;
}
/**
* Writes body content to the supplied buffer.
* @param buffer the content buffer
* @return the number of bytes written
*/
public int write (byte[] buffer)
{
int len = content.length - pos;
len = (buffer.length < len) ? buffer.length : len;
if (len > -1)
{
System.arraycopy (content, pos, buffer, 0, len);
pos += len;
}
return len;
}
}
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