Examples of java.io.DataInputStream.readFully()

java.io.DataInputStream.readFully()
See the general contract of the readFully method of DataInput.
Bytes for this operation are read from the contained input stream. @param b the buffer into which the data is read. @exception EOFException if this input stream reaches the end beforereading all the bytes. @exception IOException the stream has been closed and the containedinput stream does not support reading after close, or another I/O error occurs. @see java.io.FilterInputStream#in


            for (int i = 0; i != input.length / 2; i++)
            {
                bytes[i] = (byte)dIn.read();
            }
            dIn.readFully(bytes, input.length / 2, bytes.length - input.length / 2);
        }
        catch (Exception e)
        {
            fail("AES failed encryption - " + e.toString(), e);
        }

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                try
                {
                    byte[]      salt = new byte[dIn.readInt()];


                    dIn.readFully(salt);


                    int     iterationCount = dIn.readInt();
                
                    Cipher      cipher = makePBECipher(KEY_CIPHER, Cipher.DECRYPT_MODE, password, salt, iterationCount);

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                        bIn = new ByteArrayInputStream((byte[])obj);
                        dIn = new DataInputStream(bIn);
            
                        salt = new byte[dIn.readInt()];


                        dIn.readFully(salt);


                        iterationCount = dIn.readInt();


                        cipher = makePBECipher("Broken" + KEY_CIPHER, Cipher.DECRYPT_MODE, password, salt, iterationCount);

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                            bIn = new ByteArrayInputStream((byte[])obj);
                            dIn = new DataInputStream(bIn);
                
                            salt = new byte[dIn.readInt()];


                            dIn.readFully(salt);


                            iterationCount = dIn.readInt();


                            cipher = makePBECipher("Old" + KEY_CIPHER, Cipher.DECRYPT_MODE, password, salt, iterationCount);

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            if (salt.length != STORE_SALT_SIZE)
            {
                throw new IOException("Key store corrupted.");
            }
    
            dIn.readFully(salt);
    
            int         iterationCount = dIn.readInt();
    
            if ((iterationCount < 0) || (iterationCount > 4 *  MIN_ITERATIONS))
            {

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                    break;
            case SECRET:
            case SEALED:
                    byte[]      b = new byte[dIn.readInt()];


                    dIn.readFully(b);
                    table.put(alias, new StoreEntry(alias, date, type, b, chain));
                    break;
            default:
                    throw new RuntimeException("Unknown object type in store.");
            }

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            throw new IOException("Invalid salt detected");
        }


        byte[]      salt = new byte[saltLength];


        dIn.readFully(salt);


        int         iterationCount = dIn.readInt();


        //
        // we only do an integrity check if the password is provided.

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            hMac.doFinal(mac, 0);


            // TODO Should this actually be reading the remainder of the stream?
            // Read the original mac from the stream
            byte[] oldMac = new byte[hMac.getMacSize()];
            dIn.readFully(oldMac);


            if (!Arrays.constantTimeAreEqual(mac, oldMac))
            {
                table.clear();
                throw new IOException("KeyStore integrity check failed.");

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            loadStore(dIn);


            // TODO Should this actually be reading the remainder of the stream?
            // Parse the original mac from the stream too
            byte[] oldMac = new byte[hMac.getMacSize()];
            dIn.readFully(oldMac);
        }
    }




    public void engineStore(OutputStream stream, char[] password)

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        final int responseBytes = itemConn.getContentLength();
        final byte[] retval = new byte[responseBytes];


        final DataInputStream datainput = new DataInputStream(itemConn.getInputStream());
        try {
            datainput.readFully(retval);
        }
        finally {
            datainput.close();
        }

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