Examples of com.alibaba.citrus.util.io.ByteArrayOutputStream

            if (attachment == null) {
                return null;
            }


            try {
                ByteArrayOutputStream baos = new ByteArrayOutputStream();


                // 1. 序列化
                // 2. 压缩
                Deflater def = new Deflater(Deflater.BEST_COMPRESSION, false);
                DeflaterOutputStream dos = new DeflaterOutputStream(baos, def);
                ObjectOutputStream oos = null;


                try {
                    oos = new ObjectOutputStream(dos);
                    oos.writeObject(attachment);
                } finally {
                    if (oos != null) {
                        try {
                            oos.close();
                        } catch (IOException e) {
                        }
                    }


                    def.end();
                }


                byte[] plaintext = baos.toByteArray().toByteArray();


                // 3. base64编码
                return StringEscapeUtil.escapeURL(new String(Base64.encodeBase64(plaintext, false), "ISO-8859-1"));
            } catch (Exception e) {
                log.error("Failed to encode field attachment", e);

    private byte[] getRandomizedTime() {
        long jvmId = System.currentTimeMillis();
        long random = new SecureRandom().nextLong();


        // 取得上述ID的bytes，并转化成字符串
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        DataOutputStream dos = new DataOutputStream(baos);


        try {
            dos.writeLong(jvmId);
            dos.writeLong(random);
        } catch (Exception e) {
        }


        return baos.toByteArray().toByteArray();
    }

            // 如果需要改变，只需要改变其下面的bytes流即可。
            if (bytesStack == null) {
                bytesStack = new Stack<ByteArrayOutputStream>();
            }


            ByteArrayOutputStream bytes = new ByteArrayOutputStream();


            bytesStack.push(bytes);
            stream = new BufferedServletOutputStream(bytes);


            log.debug("Created new byte buffer");

        if (buffering) {
            flushBufferAdapter();


            if (stream != null) {
                bytesStack.clear();
                bytesStack.add(new ByteArrayOutputStream());
                ((BufferedServletOutputStream) stream).updateOutputStream(bytesStack.peek());
            }


            if (writer != null) {
                charsStack.clear();


        flushBufferAdapter();


        // 向stream或writer stack中压入新的buffer。
        if (stream != null) {
            ByteArrayOutputStream bytes = new ByteArrayOutputStream();


            bytesStack.push(bytes);


            ((BufferedServletOutputStream) stream).updateOutputStream(bytesStack.peek());

        if (stream == null) {
            return new ByteArray(EMPTY_BYTE_ARRAY, 0, 0);
        } else {
            flushBufferAdapter();


            ByteArrayOutputStream block = bytesStack.pop();


            if (bytesStack.size() == 0) {
                bytesStack.push(new ByteArrayOutputStream());
            }


            ((BufferedServletOutputStream) stream).updateOutputStream(bytesStack.peek());


            log.debug("Popped the last byte buffer (stack size is " + bytesStack.size() + ")");


            return block.toByteArray();
        }
    }

    private byte[] getRandomizedTime() {
        long jvmId = System.currentTimeMillis();
        long random = new SecureRandom().nextLong();


        // ȡ������ID��bytes����ת�����ַ���
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        DataOutputStream dos = new DataOutputStream(baos);


        try {
            dos.writeLong(jvmId);
            dos.writeLong(random);
        } catch (Exception e) {
        }


        return baos.toByteArray().toByteArray();
    }


    /**
     * ���롣
     */
    public String encode(Map<String, Object> attrs, StoreContext storeContext) throws SessionEncoderException {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();


        // 1. ���л�
        // 2. ѹ��
        Deflater def = new Deflater(Deflater.BEST_COMPRESSION, false);
        DeflaterOutputStream dos = new DeflaterOutputStream(baos, def);


        try {
            serializer.serialize(assertNotNull(attrs, "objectToEncode is null"), dos);
        } catch (Exception e) {
            throw new SessionEncoderException("Failed to encode session state", e);
        } finally {
            try {
                dos.close();
            } catch (IOException e) {
            }


            def.end();
        }


        byte[] plaintext = baos.toByteArray().toByteArray();


        // 3. ����
        byte[] cryptotext = encrypt(plaintext);


        // 4. base64����

            if (attachment == null) {
                return null;
            }


            try {
                ByteArrayOutputStream baos = new ByteArrayOutputStream();


                // 1. ���л�
                // 2. ѹ��
                Deflater def = new Deflater(Deflater.BEST_COMPRESSION, false);
                DeflaterOutputStream dos = new DeflaterOutputStream(baos, def);
                ObjectOutputStream oos = null;


                try {
                    oos = new ObjectOutputStream(dos);
                    oos.writeObject(attachment);
                } finally {
                    if (oos != null) {
                        try {
                            oos.close();
                        } catch (IOException e) {
                        }
                    }


                    def.end();
                }


                byte[] plaintext = baos.toByteArray().toByteArray();


                // 3. base64����
                return StringEscapeUtil.escapeURL(new String(Base64.encodeBase64(plaintext, false), "ISO-8859-1"));
            } catch (Exception e) {
                log.error("Failed to encode field attachment", e);

    /**
     * ��javamail�ʼ�����ת�����ı���ʽ�����ʽΪ��׼��<code>.eml</code>��ʽ��
     */
    public static String toString(Message message, String javaCharset) throws MessagingException,
            UnsupportedEncodingException {
        ByteArrayOutputStream ostream = new ByteArrayOutputStream();


        try {
            message.writeTo(ostream);
        } catch (IOException e) {
            unexpectedException(e);
        } finally {
            ostream.close();
        }


        ByteArray bytes = ostream.toByteArray();


        javaCharset = getJavaCharset(javaCharset);


        return new String(bytes.getRawBytes(), bytes.getOffset(), bytes.getLength(), javaCharset);
    }

Related Classes of com.alibaba.citrus.util.io.ByteArrayOutputStream

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