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+/* Authenticator.java --ByteArrayResponseBodyReader.java --
+ Copyright (C) 2004 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath 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, or (at your option)
+any later version.
+
+GNU Classpath 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 GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package gnu.java.net.protocol.http;
+
+/**
+ * Simple response body reader that stores content in a byte array.
+ *
+ * @author Chris Burdess (dog@gnu.org)
+ */
+public class ByteArrayResponseBodyReader
+ implements ResponseBodyReader
+{
+
+ /**
+ * The content.
+ */
+ protected byte[] content;
+
+ /**
+ * The position in the content at which the next write will occur.
+ */
+ protected int pos;
+
+ /**
+ * The length of the buffer.
+ */
+ protected int len;
+
+ /**
+ * Constructs a new byte array response body reader.
+ */
+ public ByteArrayResponseBodyReader()
+ {
+ this(4096);
+ }
+
+ /**
+ * Constructs a new byte array response body reader with the specified
+ * initial buffer size.
+ * @param size the initial buffer size
+ */
+ public ByteArrayResponseBodyReader(int size)
+ {
+ content = new byte[size];
+ pos = len = 0;
+ }
+
+ /**
+ * This reader accepts all responses.
+ */
+ public boolean accept(Request request, Response response)
+ {
+ return true;
+ }
+
+ public void read(byte[] buffer, int offset, int length)
+ {
+ int l = length - offset;
+ if (pos + l > content.length)
+ {
+ byte[] tmp = new byte[content.length * 2];
+ System.arraycopy(content, 0, tmp, 0, pos);
+ content = tmp;
+ }
+ System.arraycopy(buffer, offset, content, pos, l);
+ pos += l;
+ len = pos;
+ }
+
+ public void close()
+ {
+ pos = 0;
+ }
+
+ /**
+ * Retrieves the content of this reader as a byte array.
+ * The size of the returned array is the number of bytes read.
+ */
+ public byte[] toByteArray()
+ {
+ byte[] ret = new byte[len];
+ System.arraycopy(content, 0, ret, 0, len);
+ return ret;
+ }
+
+}
+