Beispiel #1
0
        /**
         * Constructs a type froma stream
         *
         * @param inputStream An input stream
         * @param indexEntry  The index informations
         * @return The size of the read data
         * @throws IOException if an I/O error occurs.
         */
        public static INT8 readFromStream(java.io.DataInputStream inputStream,
                                          IndexEntry indexEntry)
        {//throws IOException {
            if (indexEntry.getType() != RPMIndexType.INT8)
            {
                throw new java.lang.IllegalArgumentException("Type <" + indexEntry.getType()
                                                             + "> does not match <" + RPMIndexType.INT8 + ">");
            }

            byte[] data = new byte[(int)indexEntry.getCount()];

            for (int pos = 0; pos < indexEntry.getCount(); pos++)
            {
                data[pos] = inputStream.readByte();
            }

            INT8 int8Object = new INT8(data);

            if (logger.isLoggable(java.util.logging.Level.FINER))
            {
                logger.finer(int8Object.toString());
            }

            // int8Object.size = indexEntry.getType().getSize()
            // * indexEntry.getCount();

            return(int8Object);
        }
Beispiel #2
0
        /**
         * This method creates a rpm data type out of a input stream and an
         * IndexEntry. The object must at the current position of the input stream.
         * The length is only needed for string objects; the string objects will
         * read length bytes of the input stream and will try to convert the data
         * into a rpm data type.
         *
         * @param inputStream
         *            The input stream
         * @param indexEntry
         *            The IndexEntry that should be read
         * @param length
         *            The number of bytes to read for string objects
         *
         * @return One of the rpm data types coresponding with the type contained in
         *         the IndexEntry.
         *
         * @throws IOException
         *             if something was wrong during reading of the input stream
         */
        public static DataTypeIf createFromStream(
            java.io.DataInputStream inputStream, IndexEntry indexEntry,
            long length)
        {//throws IOException {
            DataTypeIf ret = null;

            switch ((int)indexEntry.getType().getId())
            {
            case RPMIndexType._NULL:
                ret = NULL.readFromStream(indexEntry);
                break;

            case RPMIndexType._CHAR:
                ret = CHAR.readFromStream(inputStream, indexEntry);
                break;

            case RPMIndexType._INT8:
                ret = INT8.readFromStream(inputStream, indexEntry);
                break;

            case RPMIndexType._INT16:
                ret = INT16.readFromStream(inputStream, indexEntry);
                break;

            case RPMIndexType._INT32:
                ret = INT32.readFromStream(inputStream, indexEntry);
                break;

            case RPMIndexType._INT64:
                ret = INT64.readFromStream(inputStream, indexEntry);
                break;

            case RPMIndexType._STRING:
                ret = STRING.readFromStream(inputStream, indexEntry, length);
                break;

            case RPMIndexType._BIN:
                ret = BIN.readFromStream(inputStream, indexEntry);
                break;

            case RPMIndexType._STRING_ARRAY:
                ret = STRING_ARRAY.readFromStream(inputStream, indexEntry, length);
                break;

            case RPMIndexType._I18NSTRING:
                ret = I18NSTRING.readFromStream(inputStream, indexEntry, length);
                break;

            default:
                // TODO: UNKNOWN
                break;
            }

            return(ret);
        }