    001// Copyright 2006 The Apache Software Foundation
    002//
    003// Licensed under the Apache License, Version 2.0 (the "License");
    004// you may not use this file except in compliance with the License.
    005// You may obtain a copy of the License at
    006//
    007//     http://www.apache.org/licenses/LICENSE-2.0
    008//
    009// Unless required by applicable law or agreed to in writing, software
    010// distributed under the License is distributed on an "AS IS" BASIS,
    011// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    012// See the License for the specific language governing permissions and
    013// limitations under the License.
    014
    015package org.apache.tapestry5.internal.util;
    016
    017import org.apache.commons.codec.binary.Base64;
    018
    019import java.io.ByteArrayOutputStream;
    020
    021/**
    022 * An extension of {@link ByteArrayOutputStream} that allows the final byte array to be converted to a Base64 string.
    023 */
    024public final class Base64OutputStream extends ByteArrayOutputStream
    025{
    026    public String toBase64()
    027    {
    028        byte[] binary = toByteArray();
    029
    030        byte[] base64 = Base64.encodeBase64(binary);
    031
    032        return new String(base64);
    033    }
    034}