/* Copyright (c) 2001-2009, The HSQL Development Group
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* modification, are permitted provided that the following conditions are met:
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* and/or other materials provided with the distribution.
*
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* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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package org.hsqldb.rowio;
import org.hsqldb.lib.StringConverter;
/**
* This class quotes strings only if they contain the quote character or
* the separator for the field. The quote character is doubled.
*
* @author Bob Preston (sqlbob@users dot sourceforge.net)
* @version 1.9.0
* @since 1.7.0
*/
public class RowOutputTextQuoted extends RowOutputText {
public RowOutputTextQuoted(String fieldSep, String varSep,
String longvarSep, boolean allQuoted,
String encoding) {
super(fieldSep, varSep, longvarSep, allQuoted, encoding);
}
protected String checkConvertString(String s, String sep) {
if (allQuoted || s.length() == 0 || s.indexOf('\"') != -1
|| (sep.length() > 0 && s.indexOf(sep) != -1)
|| hasUnprintable(s)) {
s = StringConverter.toQuotedString(s, '\"', true);
}
return s;
}
private static boolean hasUnprintable(String s) {
for (int i = 0, len = s.length(); i < len; i++) {
if (Character.isISOControl(s.charAt(i))) {
return true;
}
}
return false;
}
}