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-rw-r--r--java/rasj/rnp/RnpParameter.java325
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diff --git a/java/rasj/rnp/RnpParameter.java b/java/rasj/rnp/RnpParameter.java
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-/*
-* This file is part of rasdaman community.
-*
-* Rasdaman community is free software: you can redistribute it and/or modify
-* it under the terms of the GNU General Public License as published by
-* the Free Software Foundation, either version 3 of the License, or
-* (at your option) any later version.
-*
-* Rasdaman community is distributed in the hope that it will be useful,
-* but WITHOUT ANY WARRANTY; without even the implied warranty of
-* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-* GNU General Public License for more details.
-*
-* You should have received a copy of the GNU General Public License
-* along with rasdaman community. If not, see <http://www.gnu.org/licenses/>.
-*
-* Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009 Peter Baumann /
-rasdaman GmbH.
-*
-* For more information please see <http://www.rasdaman.org>
-* or contact Peter Baumann via <baumann@rasdaman.com>.
-*/
-/*************************************************************
- * <pre>
- *
- * PURPOSE:
- *
- *
- *
- * COMMENTS:
- *
- * </pre>
- *********************************************************** */
-package rasj.rnp;
-
-import java.io.*;
-
-public abstract class RnpParameter
- {
- int paramType;
- int dataType;
- int dataLength;
- int totalLength;
-
- public static final int headerSize = 16;
-
- protected RnpParameter(int pT, int dT, int dL,int tL)
- {
- paramType = pT;
- dataType = dT;
- dataLength = dL;
- totalLength = tL;
- }
-
- void print()
- {
- System.out.print(" Parameter type=" + paramType);
- System.out.print(" data type=" + dataType);
- System.out.print(" dataLength="+dataLength);
- System.out.print(" totalLength=" + totalLength);
- printSpecific();
- }
-
- void write(DataOutputStream dataStream) throws IOException
- {
- dataStream.writeInt(paramType);
- dataStream.writeInt(dataType);
- dataStream.writeInt(dataLength);
- dataStream.writeInt(totalLength);
- writeSpecific(dataStream);
- }
-
- int getTotalLength()
- {
- return totalLength;
- }
- int getDataLength()
- {
- return dataLength;
- }
- int getPaddLength()
- {
- return totalLength - dataLength - headerSize;
- }
-
- void computeTotalAlignedLength()
- {
- totalLength = (dataLength + headerSize + 3) & 0xFFFFFFFC;
- }
-
- static RnpParameter constructFromStream(DataInputStream dataStream) throws IOException, RnpException
- {
- int paramType = dataStream.readInt();
- int dataType = dataStream.readInt();
- int dataLength = dataStream.readInt();
- int totalLength = dataStream.readInt();
-
- RnpParameter result = null;
- switch(dataType)
- {
- case Rnp.dtt_Int32: result = new ParameterInt32(paramType, dataType, dataLength, totalLength);
- break;
- case Rnp.dtt_Float32: result = new ParameterFloat32(paramType, dataType, dataLength, totalLength);
- break;
- case Rnp.dtt_Double64: result = new ParameterDouble64(paramType, dataType, dataLength, totalLength);
- break;
- case Rnp.dtt_Asciiz: result = new ParameterString(paramType, dataType, dataLength, totalLength);
- break;
- case Rnp.dtt_Opaque: result = new ParameterOpaque(paramType, dataType, dataLength, totalLength);
- break;
- default: throw new RnpException("Incorrect parameter data type: " + dataType);
- }
- result.readSpecific(dataStream);
- //System.out.println("constructFromStream: "); result.print();
- return result;
- }
-
- int getParameterType() { return paramType; }
- int getDataType() { return dataType; }
-
- abstract void writeSpecific(DataOutputStream dataStream) throws IOException;
- abstract void readSpecific(DataInputStream dataStream) throws IOException;
- abstract void printSpecific();
- }
-
-
-
- class ParameterInt32 extends RnpParameter
- {
- int data;
- public static final int length = 4;
-
- ParameterInt32(int parameterType, int nData)
- {
- super(parameterType,Rnp.dtt_Int32, length, length + headerSize);
- data = nData;
- }
-
- ParameterInt32(int pT, int dT, int dL, int tL)
- {
- super(pT, dT, dL,tL);
- }
-
- void printSpecific()
- {
- System.out.println(" value=" + data);
- }
-
- void writeSpecific(DataOutputStream dataStream) throws IOException
- {
- dataStream.writeInt(data);
- }
-
- void readSpecific(DataInputStream dataStream) throws IOException
- {
- data = dataStream.readInt();
- }
-
- int getData()
- {
- return data;
- }
- }
-
-
- class ParameterFloat32 extends RnpParameter
- {
- float data;
- public static final int length = 4;
-
- ParameterFloat32(int parameterType, float nData)
- {
- super(parameterType,Rnp.dtt_Float32, length, length + headerSize);
- data = nData;
- }
-
- ParameterFloat32(int pT, int dT, int dL, int tL)
- {
- super(pT, dT, dL,tL);
- }
-
- void printSpecific()
- {
- System.out.println(" value=" + data);
- }
-
- void writeSpecific(DataOutputStream dataStream) throws IOException
- {
- dataStream.writeFloat(data);
- }
-
- void readSpecific(DataInputStream dataStream) throws IOException
- {
- data = dataStream.readFloat();
- }
-
- float getData()
- {
- return data;
- }
- }
-
-
- class ParameterDouble64 extends RnpParameter
- {
- double data;
- public static final int length = 8;
-
- ParameterDouble64(int parameterType, double nData)
- {
- super(parameterType,Rnp.dtt_Double64, length, length + headerSize);
- data = nData;
- }
- ParameterDouble64(int pT, int dT, int dL, int tL)
- {
- super(pT, dT, dL, tL);
- }
-
- void printSpecific()
- {
- System.out.println(" value=" + data);
- }
-
- void writeSpecific(DataOutputStream dataStream) throws IOException
- {
- dataStream.writeDouble(data);
- }
-
- void readSpecific(DataInputStream dataStream) throws IOException
- {
- data = dataStream.readDouble();
- }
-
- double getData()
- {
- return data;
- }
- }
-
- class ParameterString extends RnpParameter
- {
- byte[] data;
-
- ParameterString(int parameterType, String nData)
- {
- super(parameterType,Rnp.dtt_Asciiz,0,0);
- data = nData.getBytes();
- // do not forget: Strings are ASCIIZ in RNP!!
- dataLength = data.length+1;
- computeTotalAlignedLength();
- }
-
- ParameterString(int pT, int dT, int dL,int tL)
- {
- super(pT, dT, dL,tL);
- }
-
- void printSpecific()
- {
- System.out.println(" value=" + getData());
- }
-
- void writeSpecific(DataOutputStream dataStream) throws IOException
- {
- dataStream.write(data,0,dataLength - 1);
- dataStream.writeByte(0);
-
- for(int i=0;i<getPaddLength();i++) dataStream.writeByte(0);
- }
-
- void readSpecific(DataInputStream dataStream) throws IOException
- {
- data = new byte[dataLength - 1];
- dataStream.readFully(data,0,dataLength - 1);
- dataStream.readByte();
- for(int i=0;i<getPaddLength();i++) dataStream.readByte();
- }
-
- String getData()
- {
- return new String(data);
- }
- }
-
- class ParameterOpaque extends RnpParameter
- {
- byte[] data;
-
- ParameterOpaque(int parameterType, byte[] nData)
- {
- super(parameterType,Rnp.dtt_Opaque,nData.length,0);
- data = nData;
- computeTotalAlignedLength();
- }
-
- ParameterOpaque(int pT, int dT, int dL,int tL)
- {
- super(pT, dT, dL,tL);
- }
-
- void printSpecific()
- {
- System.out.println(" value=(opaque data, size=" + data.length +")");
- }
-
- void writeSpecific(DataOutputStream dataStream) throws IOException
- {
- dataStream.write(data,0,dataLength);
- for(int i=0;i<getPaddLength();i++) dataStream.writeByte(0);
- }
-
- void readSpecific(DataInputStream dataStream) throws IOException
- {
- data = new byte[dataLength];
- dataStream.readFully(data,0,dataLength);
-
- for(int i=0;i<getPaddLength();i++) dataStream.readByte();
- }
-
- byte[] getData()
- {
- return data;
- }
- }
-
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