Package org.locationtech.jts.io

Class WKBHexFileReader

  • public class WKBHexFileReader
extends java.lang.Object
    Reads a sequence of Geometrys in WKBHex format from a text file. Each WKBHex geometry must be on a single line The geometries in the file may be separated by any amount of whitespace and newlines.

    • Constructor Summary

      Constructors 
      Constructor Description
      WKBHexFileReader​(java.io.File file, WKBReader wkbReader)
      Creates a new WKBHexFileReader given the File to read from and a WKTReader to use to parse the geometries.
      WKBHexFileReader​(java.io.Reader reader, WKBReader wkbReader)
      Creates a new WKBHexFileReader, given a Reader to read from.
      WKBHexFileReader​(java.lang.String filename, WKBReader wkbReader)
      Creates a new WKBHexFileReader, given the name of the file to read from.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      private boolean isAtEndOfFile​(java.io.BufferedReader bufferedReader)
      Tests if reader is at EOF.
      private boolean isAtLimit​(java.util.List geoms)  
      java.util.List read()
      Reads a sequence of geometries.
      private java.util.List read​(java.io.BufferedReader bufferedReader)  
      void setLimit​(int limit)
      Sets the maximum number of geometries to read.
      void setOffset​(int offset)
      Sets the number of geometries to skip before storing.

      • Methods inherited from class java.lang.Object

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

    • Field Detail

      • file

        private java.io.File file

      • reader

        private java.io.Reader reader

      • count

        private int count

      • limit

        private int limit

      • offset

        private int offset

    • Constructor Detail

      • WKBHexFileReader

        public WKBHexFileReader​(java.io.File file,
                        WKBReader wkbReader)
        Creates a new WKBHexFileReader given the File to read from and a WKTReader to use to parse the geometries.
        Parameters:
        file - the File to read from
        wkbReader - the geometry reader to use

      • WKBHexFileReader

        public WKBHexFileReader​(java.lang.String filename,
                        WKBReader wkbReader)
        Creates a new WKBHexFileReader, given the name of the file to read from.
        Parameters:
        filename - the name of the file to read from
        wkbReader - the geometry reader to use

      • WKBHexFileReader

        public WKBHexFileReader​(java.io.Reader reader,
                        WKBReader wkbReader)
        Creates a new WKBHexFileReader, given a Reader to read from.
        Parameters:
        reader - the reader to read from
        wkbReader - the geometry reader to use

    • Method Detail

      • setLimit

        public void setLimit​(int limit)
        Sets the maximum number of geometries to read.
        Parameters:
        limit - the maximum number of geometries to read

      • setOffset

        public void setOffset​(int offset)
        Sets the number of geometries to skip before storing.
        Parameters:
        offset - the number of geometries to skip

      • read

        public java.util.List read()
                    throws java.io.IOException,
                           ParseException
        Reads a sequence of geometries. If an offset is specified, geometries read up to the offset count are skipped. If a limit is specified, no more than limit geometries are read.
        Returns:
        the list of geometries read
        Throws:
        java.io.IOException - if an I/O exception was encountered
        ParseException - if an error occurred reading a geometry

      • read

        private java.util.List read​(java.io.BufferedReader bufferedReader)
                     throws java.io.IOException,
                            ParseException
        Throws:
        java.io.IOException
        ParseException

      • isAtLimit

        private boolean isAtLimit​(java.util.List geoms)

      • isAtEndOfFile

        private boolean isAtEndOfFile​(java.io.BufferedReader bufferedReader)
                       throws java.io.IOException
        Tests if reader is at EOF.
        Throws:
        java.io.IOException