Hi

2012/10/12  <ggreg...@apache.org>:
> Author: ggregory
> Date: Fri Oct 12 12:12:44 2012
> New Revision: 1397534
>
> URL: http://svn.apache.org/viewvc?rev=1397534&view=rev
> Log:
> Refactor magic strings into constants.
>
> Modified:
>     
> commons/proper/csv/trunk/src/main/java/org/apache/commons/csv/CSVPrinter.java
>
> Modified: 
> commons/proper/csv/trunk/src/main/java/org/apache/commons/csv/CSVPrinter.java
> URL: 
> http://svn.apache.org/viewvc/commons/proper/csv/trunk/src/main/java/org/apache/commons/csv/CSVPrinter.java?rev=1397534&r1=1397533&r2=1397534&view=diff
> ==============================================================================
> --- 
> commons/proper/csv/trunk/src/main/java/org/apache/commons/csv/CSVPrinter.java 
> (original)
> +++ 
> commons/proper/csv/trunk/src/main/java/org/apache/commons/csv/CSVPrinter.java 
> Fri Oct 12 12:12:44 2012
> @@ -25,6 +25,12 @@ import java.io.IOException;
>   */
>  public class CSVPrinter {
>
> +    private static final char COMMENT = '#';

How about COMMENT_START ?

Benedikt

> +    private static final String EMPTY = "";
> +    private static final char SP = ' ';
> +    private static final char CR = '\r';
> +    private static final char LF = '\n';
> +
>      /** The place that the values get written. */
>      private final Appendable out;
>      private final CSVFormat format;
> @@ -106,19 +112,19 @@ public class CSVPrinter {
>              println();
>          }
>          out.append(format.getCommentStart());
> -        out.append(' ');
> +        out.append(SP);
>          for (int i = 0; i < comment.length(); i++) {
>              final char c = comment.charAt(i);
>              switch (c) {
> -            case '\r':
> -                if (i + 1 < comment.length() && comment.charAt(i + 1) == 
> '\n') {
> +            case CR:
> +                if (i + 1 < comment.length() && comment.charAt(i + 1) == LF) 
> {
>                      i++;
>                  }
>                  //$FALL-THROUGH$ break intentionally excluded.
> -            case '\n':
> +            case LF:
>                  println();
>                  out.append(format.getCommentStart());
> -                out.append(' ');
> +                out.append(SP);
>                  break;
>              default:
>                  out.append(c);
> @@ -159,14 +165,14 @@ public class CSVPrinter {
>
>          while (pos < end) {
>              char c = value.charAt(pos);
> -            if (c == '\r' || c == '\n' || c == delim || c == escape) {
> +            if (c == CR || c == LF || c == delim || c == escape) {
>                  // write out segment up until this char
>                  if (pos > start) {
>                      out.append(value, start, pos);
>                  }
> -                if (c == '\n') {
> +                if (c == LF) {
>                      c = 'n';
> -                } else if (c == '\r') {
> +                } else if (c == CR) {
>                      c = 'r';
>                  }
>
> @@ -212,7 +218,7 @@ public class CSVPrinter {
>              if (first && (c < '0' || (c > '9' && c < 'A') || (c > 'Z' && c < 
> 'a') || (c > 'z'))) {
>                  quote = true;
>                  // } else if (c == ' ' || c == '\f' || c == '\t') {
> -            } else if (c <= '#') {
> +            } else if (c <= COMMENT) {
>                  // Some other chars at the start of a value caused the 
> parser to fail, so for now
>                  // encapsulate if we start in anything less than '#'. We are 
> being conservative
>                  // by including the default comment char too.
> @@ -220,7 +226,7 @@ public class CSVPrinter {
>              } else {
>                  while (pos < end) {
>                      c = value.charAt(pos);
> -                    if (c == '\n' || c == '\r' || c == encapsulator || c == 
> delim) {
> +                    if (c == LF || c == CR || c == encapsulator || c == 
> delim) {
>                          quote = true;
>                          break;
>                      }
> @@ -233,7 +239,7 @@ public class CSVPrinter {
>                      // if (c == ' ' || c == '\f' || c == '\t') {
>                      // Some other chars at the end caused the parser to 
> fail, so for now
>                      // encapsulate if we end in anything less than ' '
> -                    if (c <= ' ') {
> +                    if (c <= SP) {
>                          quote = true;
>                      }
>                  }
> @@ -280,7 +286,7 @@ public class CSVPrinter {
>      public void print(String value, final boolean checkForEscape) throws 
> IOException {
>          if (value == null) {
>              // null values are considered empty
> -            value = "";
> +            value = EMPTY;
>          }
>
>          if (!checkForEscape) {
>
>

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