Examples of java.io.DataInputStream.readInt()

java.io.DataInputStream.readInt()
See the general contract of the readInt method of DataInput.
Bytes for this operation are read from the contained input stream. @return the next four bytes of this input stream, interpreted as anint. @exception EOFException if this input stream reaches the end beforereading four 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

                println(" information: " + readStringNull(dataIn));
                break;
            }
            case 't': {
                println("ParameterDescription");
                println(" processID: " + dataIn.readInt());
                int count = dataIn.readShort();
                for (int i = 0; i < count; i++) {
                    println(" [" + i + "] objectId: " + dataIn.readInt());
                }
                break;

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            case 't': {
                println("ParameterDescription");
                println(" processID: " + dataIn.readInt());
                int count = dataIn.readShort();
                for (int i = 0; i < count; i++) {
                    println(" [" + i + "] objectId: " + dataIn.readInt());
                }
                break;
            }
            case 'S': {
                println("ParameterStatus");

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                int columns = dataIn.readShort();
                println(" columns : " + columns);
                for (int i = 0; i < columns; i++) {
                    println(" [" + i + "]");
                    println("  name:" + readStringNull(dataIn));
                    println("  tableId:" + dataIn.readInt());
                    println("  columnId:" + dataIn.readShort());
                    println("  dataTypeId:" + dataIn.readInt());
                    println("  dataTypeSize (pg_type.typlen):" + dataIn.readShort());
                    println("  modifier (pg_attribute.atttypmod):" + dataIn.readInt());
                    println("  format code:" + dataIn.readShort());

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                for (int i = 0; i < columns; i++) {
                    println(" [" + i + "]");
                    println("  name:" + readStringNull(dataIn));
                    println("  tableId:" + dataIn.readInt());
                    println("  columnId:" + dataIn.readShort());
                    println("  dataTypeId:" + dataIn.readInt());
                    println("  dataTypeSize (pg_type.typlen):" + dataIn.readShort());
                    println("  modifier (pg_attribute.atttypmod):" + dataIn.readInt());
                    println("  format code:" + dataIn.readShort());
                }
                break;

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                    println("  name:" + readStringNull(dataIn));
                    println("  tableId:" + dataIn.readInt());
                    println("  columnId:" + dataIn.readShort());
                    println("  dataTypeId:" + dataIn.readInt());
                    println("  dataTypeSize (pg_type.typlen):" + dataIn.readShort());
                    println("  modifier (pg_attribute.atttypmod):" + dataIn.readInt());
                    println("  format code:" + dataIn.readShort());
                }
                break;
            }
            default:

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            DataInputStream dataIn = new DataInputStream(inStream);
            ByteArrayOutputStream buff = new ByteArrayOutputStream();
            DataOutputStream dataOut = new DataOutputStream(buff);
            if (state == STATE_INIT_CLIENT) {
                state = STATE_REGULAR;
                int len = dataIn.readInt();
                dataOut.writeInt(len);
                len -= 4;
                byte[] data = new byte[len];
                dataIn.readFully(data, 0, len);
                dataOut.write(data);

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                len -= 4;
                byte[] data = new byte[len];
                dataIn.readFully(data, 0, len);
                dataOut.write(data);
                dataIn = new DataInputStream(new ByteArrayInputStream(data, 0, len));
                int version = dataIn.readInt();
                if (version == 80877102) {
                    println("CancelRequest");
                    println(" pid: " + dataIn.readInt());
                    println(" key: " + dataIn.readInt());
                } else if (version == 80877103) {

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                dataOut.write(data);
                dataIn = new DataInputStream(new ByteArrayInputStream(data, 0, len));
                int version = dataIn.readInt();
                if (version == 80877102) {
                    println("CancelRequest");
                    println(" pid: " + dataIn.readInt());
                    println(" key: " + dataIn.readInt());
                } else if (version == 80877103) {
                    println("SSLRequest");
                } else {
                    println("StartupMessage");

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                dataIn = new DataInputStream(new ByteArrayInputStream(data, 0, len));
                int version = dataIn.readInt();
                if (version == 80877102) {
                    println("CancelRequest");
                    println(" pid: " + dataIn.readInt());
                    println(" key: " + dataIn.readInt());
                } else if (version == 80877103) {
                    println("SSLRequest");
                } else {
                    println("StartupMessage");
                    println(" version " + version + " (" + (version >> 16) + "." + (version & 0xff) + ")");

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                    println("end");
                    return false;
                }
                // System.out.println(" x=" + (char)x+" " +x);
                dataOut.write(x);
                int len = dataIn.readInt();
                dataOut.writeInt(len);
                len -= 4;
                byte[] data = new byte[len];
                dataIn.readFully(data, 0, len);
                dataOut.write(data);

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