/*
 * Copyright 2005-2006 Sun Microsystems, Inc.  All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Sun designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Sun in the LICENSE file that accompanied this code.
 *
 * This code 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
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 */

package com.sun.xml.internal.org.jvnet.staxex;

import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.io.IOException;

/**
 * {@link ByteArrayOutputStream} with access to its raw buffer.
 *
 * @author Kohsuke Kawaguchi
 */
final class ByteArrayOutputStreamEx extends ByteArrayOutputStream {
    public ByteArrayOutputStreamEx() {
    }

    public ByteArrayOutputStreamEx(int size) {
        super(size);
    }

    public void set(Base64Data dt,String mimeType) {
        dt.set(buf,count,mimeType);
    }

    public byte[] getBuffer() {
        return buf;
    }

    /**
     * Reads the given {@link InputStream} completely into the buffer.
     */
    public void readFrom(InputStream is) throws IOException {
        while(true) {
            if(count==buf.length) {
                // realllocate
                byte[] data = new byte[buf.length*2];
                System.arraycopy(buf,0,data,0,buf.length);
                buf = data;
            }

            int sz = is.read(buf,count,buf.length-count);
            if(sz<0)     return;
            count += sz;
        }
    }
}
