/* Copyright (c) 2001-2016, The HSQL Development Group
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name of the HSQL Development Group nor the names of its
* 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"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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*/
package org.hsqldb.rowio;
import org.hsqldb.lib.
StringConverter;
import org.hsqldb.persist.
TextFileSettings;
/**
* 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 2.3.4
* @since 1.7.0
*/
public class
RowOutputTextQuoted extends
RowOutputText {
public
RowOutputTextQuoted(
TextFileSettings textFileSettings) {
super(
textFileSettings);
}
protected
String checkConvertString(
String s,
String sep) {
if (
textFileSettings.
isAllQuoted ||
s.
length() == 0
||
s.
indexOf(
textFileSettings.
quoteChar) != -1
|| (
sep.
length() > 0 &&
s.
indexOf(
sep) != -1)
||
hasUnprintable(
s)) {
s =
StringConverter.
toQuotedString(
s,
textFileSettings.
quoteChar,
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;
}
}