Package org.meteoinfo.data.mapdata.geotiff.compression

Class ByteReader


  • public class ByteReader
extends java.lang.Object
    Read through a byte array

    • Constructor Summary

      Constructors 
      Constructor Description
      ByteReader​(byte[] bytes)
      Constructor
      ByteReader​(byte[] bytes, java.nio.ByteOrder byteOrder)
      Constructor

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      int byteLength​()
      Get the byte length
      java.nio.ByteOrder getByteOrder​()
      Get the byte order
      int getNextByte​()
      Get the next byte to be read
      boolean hasByte​()
      Check if there is at least one more byte left to read
      boolean hasByte​(int offset)
      Check if there is at least one more byte left to read
      boolean hasBytes​(int count)
      Check if there are the provided number of bytes left to read
      boolean hasBytes​(int offset, int count)
      Check if there are the provided number of bytes left to read
      byte readByte​()
      Read a byte
      byte readByte​(int offset)
      Read a byte
      byte[] readBytes​(int num)
      Read a number of bytes
      byte[] readBytes​(int offset, int num)
      Read a number of bytes
      double readDouble​()
      Read a double
      double readDouble​(int offset)
      Read a double
      float readFloat​()
      Read a float
      float readFloat​(int offset)
      Read a float
      int readInt​()
      Read an integer
      int readInt​(int offset)
      Read an integer
      short readShort​()
      Read a short
      short readShort​(int offset)
      Read a short
      java.lang.String readString​(int num)
      Read a String from the provided number of bytes
      java.lang.String readString​(int offset, int num)
      Read a String from the provided number of bytes
      short readUnsignedByte​()
      Read an unsigned byte
      short readUnsignedByte​(int offset)
      Read an unsigned byte
      long readUnsignedInt​()
      Read an unsigned int
      long readUnsignedInt​(int offset)
      Read an unsigned int
      int readUnsignedShort​()
      Read an unsigned short
      int readUnsignedShort​(int offset)
      Read an unsigned short
      void setByteOrder​(java.nio.ByteOrder byteOrder)
      Set the byte order
      void setNextByte​(int nextByte)
      Set the next byte to be read

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • ByteReader

        public ByteReader​(byte[] bytes)
        Constructor
        Parameters:
        bytes - bytes

      • ByteReader

        public ByteReader​(byte[] bytes,
                  java.nio.ByteOrder byteOrder)
        Constructor
        Parameters:
        bytes - bytes
        byteOrder - byte order

    • Method Detail

      • getNextByte

        public int getNextByte​()
        Get the next byte to be read
        Returns:
        next byte to be read

      • setNextByte

        public void setNextByte​(int nextByte)
        Set the next byte to be read
        Parameters:
        nextByte - next byte

      • getByteOrder

        public java.nio.ByteOrder getByteOrder​()
        Get the byte order
        Returns:
        byte order

      • setByteOrder

        public void setByteOrder​(java.nio.ByteOrder byteOrder)
        Set the byte order
        Parameters:
        byteOrder - byte order

      • hasByte

        public boolean hasByte​()
        Check if there is at least one more byte left to read
        Returns:
        true more bytes left to read

      • hasByte

        public boolean hasByte​(int offset)
        Check if there is at least one more byte left to read
        Parameters:
        offset - byte offset
        Returns:
        true more bytes left to read

      • hasBytes

        public boolean hasBytes​(int count)
        Check if there are the provided number of bytes left to read
        Parameters:
        count - number of bytes
        Returns:
        true if has at least the number of bytes left

      • hasBytes

        public boolean hasBytes​(int offset,
                        int count)
        Check if there are the provided number of bytes left to read
        Parameters:
        offset - byte offset
        count - number of bytes
        Returns:
        true if has at least the number of bytes left

      • readString

        public java.lang.String readString​(int num)
                            throws java.io.UnsupportedEncodingException
        Read a String from the provided number of bytes
        Parameters:
        num - number of bytes
        Returns:
        String
        Throws:
        java.io.UnsupportedEncodingException

      • readString

        public java.lang.String readString​(int offset,
                                   int num)
                            throws java.io.UnsupportedEncodingException
        Read a String from the provided number of bytes
        Parameters:
        offset - byte offset
        num - number of bytes
        Returns:
        String
        Throws:
        java.io.UnsupportedEncodingException

      • readByte

        public byte readByte​()
        Read a byte
        Returns:
        byte

      • readByte

        public byte readByte​(int offset)
        Read a byte
        Parameters:
        offset - byte offset
        Returns:
        byte

      • readUnsignedByte

        public short readUnsignedByte​()
        Read an unsigned byte
        Returns:
        unsigned byte as short

      • readUnsignedByte

        public short readUnsignedByte​(int offset)
        Read an unsigned byte
        Parameters:
        offset - byte offset
        Returns:
        unsigned byte as short

      • readBytes

        public byte[] readBytes​(int num)
        Read a number of bytes
        Parameters:
        num - number of bytes
        Returns:
        bytes

      • readBytes

        public byte[] readBytes​(int offset,
                        int num)
        Read a number of bytes
        Parameters:
        offset - byte offset
        num - number of bytes
        Returns:
        bytes

      • readShort

        public short readShort​()
        Read a short
        Returns:
        short

      • readShort

        public short readShort​(int offset)
        Read a short
        Parameters:
        offset - byte offset
        Returns:
        short

      • readUnsignedShort

        public int readUnsignedShort​()
        Read an unsigned short
        Returns:
        unsigned short as int

      • readUnsignedShort

        public int readUnsignedShort​(int offset)
        Read an unsigned short
        Parameters:
        offset - byte offset
        Returns:
        unsigned short as int

      • readInt

        public int readInt​()
        Read an integer
        Returns:
        integer

      • readInt

        public int readInt​(int offset)
        Read an integer
        Parameters:
        offset - byte offset
        Returns:
        integer

      • readUnsignedInt

        public long readUnsignedInt​()
        Read an unsigned int
        Returns:
        unsigned int as long

      • readUnsignedInt

        public long readUnsignedInt​(int offset)
        Read an unsigned int
        Parameters:
        offset - byte offset
        Returns:
        unsigned int as long

      • readFloat

        public float readFloat​()
        Read a float
        Returns:
        float

      • readFloat

        public float readFloat​(int offset)
        Read a float
        Parameters:
        offset - byte offset
        Returns:
        float

      • readDouble

        public double readDouble​()
        Read a double
        Returns:
        double

      • readDouble

        public double readDouble​(int offset)
        Read a double
        Parameters:
        offset - byte offset
        Returns:
        double

      • byteLength

        public int byteLength​()
        Get the byte length
        Returns:
        byte length