Package nonapi.io.github.classgraph.fileslice.reader

Interface SequentialReader

  • All Known Implementing Classes:
    ClassfileReader
    public interface SequentialReader
    Interface for sequentially reading values in byte order.

    • Method Summary

      All Methods Instance Methods Abstract Methods 
      Modifier and Type Method Description
      byte readByte()
      Read a byte at the current cursor position.
      int readInt()
      Read a int at the current cursor position.
      long readLong()
      Read a long at the current cursor position.
      short readShort()
      Read a short at the current cursor position.
      java.lang.String readString​(int numBytes)
      Reads the "modified UTF8" format defined in the Java classfile spec.
      java.lang.String readString​(int numBytes, boolean replaceSlashWithDot, boolean stripLSemicolon)
      Reads the "modified UTF8" format defined in the Java classfile spec, optionally replacing '/' with '.', and optionally removing the prefix "L" and the suffix ";".
      int readUnsignedByte()
      Read an unsigned byte at the current cursor position.
      long readUnsignedInt()
      Read a unsigned int at the current cursor position.
      int readUnsignedShort()
      Read a unsigned short at the current cursor position.
      void skip​(int bytesToSkip)
      Skip the given number of bytes.

    • Method Detail

      • readByte

        byte readByte()
       throws java.io.IOException
        Read a byte at the current cursor position.
        Returns:
        The byte at the current cursor position.
        Throws:
        java.io.IOException - If there was an exception while reading.

      • readUnsignedByte

        int readUnsignedByte()
              throws java.io.IOException
        Read an unsigned byte at the current cursor position.
        Returns:
        The unsigned byte at the current cursor position.
        Throws:
        java.io.IOException - If there was an exception while reading.

      • readShort

        short readShort()
         throws java.io.IOException
        Read a short at the current cursor position.
        Returns:
        The short at the current cursor position.
        Throws:
        java.io.IOException - If there was an exception while reading.

      • readUnsignedShort

        int readUnsignedShort()
               throws java.io.IOException
        Read a unsigned short at the current cursor position.
        Returns:
        The unsigned shortat the current cursor position.
        Throws:
        java.io.IOException - If there was an exception while reading.

      • readInt

        int readInt()
     throws java.io.IOException
        Read a int at the current cursor position.
        Returns:
        The int at the current cursor position.
        Throws:
        java.io.IOException - If there was an exception while reading.

      • readUnsignedInt

        long readUnsignedInt()
              throws java.io.IOException
        Read a unsigned int at the current cursor position.
        Returns:
        The int at the current cursor position, as a long.
        Throws:
        java.io.IOException - If there was an exception while reading.

      • readLong

        long readLong()
       throws java.io.IOException
        Read a long at the current cursor position.
        Returns:
        The long at the current cursor position.
        Throws:
        java.io.IOException - If there was an exception while reading.

      • skip

        void skip​(int bytesToSkip)
   throws java.io.IOException
        Skip the given number of bytes.
        Parameters:
        bytesToSkip - The number of bytes to skip.
        Throws:
        java.io.IOException - If there was an exception while reading.

      • readString

        java.lang.String readString​(int numBytes,
                            boolean replaceSlashWithDot,
                            boolean stripLSemicolon)
                     throws java.io.IOException
        Reads the "modified UTF8" format defined in the Java classfile spec, optionally replacing '/' with '.', and optionally removing the prefix "L" and the suffix ";".
        Parameters:
        numBytes - The number of bytes of the UTF8 encoding of the string.
        replaceSlashWithDot - If true, replace '/' with '.'.
        stripLSemicolon - If true, string final ';' character.
        Returns:
        The string.
        Throws:
        java.io.IOException - If an I/O exception occurs.

      • readString

        java.lang.String readString​(int numBytes)
                     throws java.io.IOException
        Reads the "modified UTF8" format defined in the Java classfile spec.
        Parameters:
        numBytes - The number of bytes of the UTF8 encoding of the string.
        Returns:
        The string.
        Throws:
        java.io.IOException - If an I/O exception occurs.