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This module contains the Metro runtime code.
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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 1997-2012 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * http://glassfish.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
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 * file and include the License file at packager/legal/LICENSE.txt.
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 *
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package 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;
        }
    }
}