RFC 4180 Compliant - OpenCSV Implementation

Example1.java

import com.opencsv.*;

import java.io.*;

class Example1{
  public static void main(String[] args)throws Exception{
    String DATA_FILE  = "TestCSVparse.win.csv";
    char   DELIMITER  = ',';
    char   QUOTE      = '\"';
    int    SKIP_LINES = 0;
  
    //Simply use the RFC 4180 compatable version
    RFC4180Parser parser = new RFC4180ParserBuilder()
      .withSeparator(DELIMITER)
      .withQuoteChar(QUOTE)
      .build();
  
    CSVReader reader = new CSVReaderBuilder(
                       new BufferedReader(
                       new InputStreamReader(
                       new FileInputStream(DATA_FILE))))
      .withSkipLines(SKIP_LINES)
      .withCSVParser(parser)
      .build();
  
    System.out.println("Example1: " + DATA_FILE);
    String[] line = reader.readNext();int i;
    while(line!=null){
      for(i=0;i<line.length-1;i++){
        System.out.print(line[i]+"|");
      }
      System.out.println(line[i]);
      line = reader.readNext();
    }
  }
}

Example2.java

import com.opencsv.*;

import java.io.*;

class Example2{
  public static void main(String[] args)throws Exception{
    String DATA_FILE  = "TestCSVparse.win.csv";
    char   DELIMITER  = ',';
    char   QUOTE      = '\"';
    int    SKIP_LINES = 0;

    CSVParser parser = new CSVParserBuilder()
      .withSeparator(DELIMITER)
      .withQuoteChar(QUOTE)
      .build();
      
    //Correct the issue as it's being read from the file.
    FilterReader CustomFilter = new FilterReader(
                                new BufferedReader(
                                new InputStreamReader(
                                new FileInputStream(DATA_FILE)))){
      protected boolean EscapeStateToggle=false;
       
      @Override
      public int read() throws IOException{
        if(EscapeStateToggle){
          EscapeStateToggle = false;
          return ((int) '\\');
        }
        int ret = super.read();
        EscapeStateToggle = ret == ((int) '\\');
        return ret;
      }

      @Override
      public int read(char[] cbuf, int off, int len) throws IOException{
        int ret,i;
        for(i=0;i<len;i++){
          ret = this.read();
          if(ret<0){return (i==0)?-1:i;}
          cbuf[off+i]=(char)ret;
        }
        return i;
      }

      @Override
      public int read(char[] cbuf) throws IOException{
        return this.read(cbuf,0,cbuf.length);
      }
    };
      
    CSVReader reader = new CSVReaderBuilder(CustomFilter)
      .withSkipLines(SKIP_LINES)
      .withCSVParser(parser)
      .build();

    System.out.println("Example2: "+DATA_FILE);
    String[] line = reader.readNext();int i;
    while(line!=null){
      for(i=0;i<line.length-1;i++){
        System.out.print(line[i]+"|");
      }
      System.out.println(line[i]);
      line = reader.readNext();
    }
  }
}