Package org.geotools.data.vpf.io

Class VPFInputStream

Object
VPFInputStream
All Implemented Interfaces:
DataTypesDefinition, FileConstants
Direct Known Subclasses:
SpatialIndexInputStream, VariableIndexInputStream
public abstract class VPFInputStream extends Object implements FileConstants, DataTypesDefinition
VPFInputStream.java Created: Mon Feb 24 22:39:57 2003
Author:
Artur Hefczyc, Knut-Erik Johnsen, Project OneMap

  • Field Details

    • input

      protected RandomAccessFile input
      Describe variable input here.

    • streamFile

      protected String streamFile
      Describe variable streamFile here.

  • Constructor Details

    • VPFInputStream

      public VPFInputStream(String file) throws IOException
      Creates a new VPFInputStream instance.
      Parameters:
      file - a String value
      Throws:
      IOException - if an error occurs

    • VPFInputStream

      public VPFInputStream(String file, char byteOrder) throws IOException
      Creates a new VPFInputStream instance.
      Parameters:
      file - a String value
      byteOrder - a char value
      Throws:
      IOException - if an error occurs

  • Method Details

    • readHeader

      public abstract VPFHeader readHeader() throws IOException
      Describe readHeader method here.
      Returns:
      a VPFHeader value
      Throws:
      IOException - if an error occurs

    • readRow

      public abstract VPFRow readRow() throws IOException
      Describe readRow method here.
      Returns:
      a VPFRow value
      Throws:
      IOException - if an error occurs

    • tableSize

      public abstract int tableSize() throws IOException
      Describe tableSize method here.
      Returns:
      an int value
      Throws:
      IOException - if an error occurs

    • getVariableIndexFileName

      public String getVariableIndexFileName()
      Describe getVariableIndexFileName method here.
      Returns:
      a String value

    • getHeader

      public VPFHeader getHeader()
      Describe getHeader method here.
      Returns:
      a VPFHeader value

    • getByteOrder

      public char getByteOrder()
      Get the ByteOrder value.
      Returns:
      the ByteOrder value.

    • setByteOrder

      public void setByteOrder(char newByteOrder)
      Set the ByteOrder value.
      Parameters:
      newByteOrder - The new ByteOrder value.

    • unread

      protected void unread(long bytes) throws IOException
      Describe unread method here.
      Parameters:
      bytes - a long value
      Throws:
      IOException - if an error occurs

    • seek

      protected void seek(long pos) throws IOException
      Describe seek method here.
      Parameters:
      pos - a long value
      Throws:
      IOException - if an error occurs

    • setPosition

      public void setPosition(long pos) throws IOException
      DOCUMENT ME!
      Parameters:
      pos - DOCUMENT ME!
      Throws:
      IOException - DOCUMENT ME!

    • readRow

      public VPFRow readRow(int index) throws IOException
      Method readRow is used to perform
      Parameters:
      index - an int value
      Returns:
      a VPFRow value
      Throws:
      IOException - if an error occurs

    • readAllRows

      public List readAllRows() throws IOException
      Describe readAllRows method here.
      Returns:
      a List value
      Throws:
      IOException - if an error occurs

    • readRows

      public int readRows(VPFRow[] rows) throws IOException
      Method readRows is used to perform
      Parameters:
      rows - a VPFRow[] value
      Returns:
      an int value
      Throws:
      IOException - if an error occurs

    • readRows

      public int readRows(VPFRow[] rows, int fromIndex) throws IOException
      Describe readRows method here.
      Parameters:
      rows - a VPFRow[] value
      fromIndex - an int value
      Returns:
      an int value
      Throws:
      IOException - if an error occurs

    • readChar

      protected char readChar() throws IOException
      Describe readChar method here.
      Returns:
      a char value
      Throws:
      IOException - if an error occurs

    • readString

      protected String readString(String terminators) throws IOException
      Describe readString method here.
      Parameters:
      terminators - a String value
      Returns:
      a String value
      Throws:
      IOException - if an error occurs

    • readVariableSizeData

      protected Object readVariableSizeData(char dataType) throws IOException
      Describe readVariableSizeData method here.
      Parameters:
      dataType - a char value
      Returns:
      an Object value
      Throws:
      IOException - if an error occurs

    • readFixedSizeData

      protected Object readFixedSizeData(char dataType, int instancesCount) throws IOException
      Describe readFixedSizeData method here.
      Parameters:
      dataType - a char value
      instancesCount - an int value
      Returns:
      an Object value
      Throws:
      IOException - if an error occurs

    • readNumber

      protected byte[] readNumber(int cnt) throws IOException
      Describe readNumber method here.
      Parameters:
      cnt - an int value
      Returns:
      a byte[] value
      Throws:
      IOException - if an error occurs

    • readShort

      protected short readShort() throws IOException
      Describe readShort method here.
      Returns:
      a short value
      Throws:
      IOException - if an error occurs

    • readInteger

      protected int readInteger() throws IOException
      Describe readInteger method here.
      Returns:
      an int value
      Throws:
      IOException - if an error occurs

    • readFloat

      protected float readFloat() throws IOException
      Describe readFloat method here.
      Returns:
      a float value
      Throws:
      IOException - if an error occurs

    • readDouble

      protected double readDouble() throws IOException
      Describe readDouble method here.
      Returns:
      a double value
      Throws:
      IOException - if an error occurs

    • readTripletId

      protected TripletId readTripletId() throws IOException
      Throws:
      IOException

    • readCoord3DFloat

      protected Position[] readCoord3DFloat(int instancesCount) throws IOException
      Throws:
      IOException

    • readCoord2DFloat

      protected Position[] readCoord2DFloat(int instancesCount) throws IOException
      Throws:
      IOException

    • readCoord2DDouble

      protected Position[] readCoord2DDouble(int instancesCount) throws IOException
      Throws:
      IOException

    • readCoord3DDouble

      protected Position[] readCoord3DDouble(int instancesCount) throws IOException
      Throws:
      IOException

    • availableRows

      public int availableRows()
      Describe availableRows method here.
      Returns:
      an int value

    • close

      public void close() throws IOException
      Describe close method here.
      Throws:
      IOException - if an error occurs

    • condeb

      protected void condeb(String msg)
      Describe condeb method here.
      Parameters:
      msg - a String value