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[CSV-238] Escape quotes in CLOBs. 

Closes #39.
This commit is contained in:
Gary Gregory 2019-02-27 10:41:04 -05:00
parent e24dc316d4
commit 480b90febb
3 changed files with 45 additions and 17 deletions
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17
src/changes/changes.xml
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@ -38,14 +38,15 @@
<title>Release Notes</title>
</properties>
<body>
<release version="1.7" date="tba" description="Feature and bug fix release">
<action issue="CSV-233" type="add" dev="ggregory" due-to="Gary Gregory">Add predefined CSVFormats for printing MongoDB CSV and TSV.</action>
<release version="1.7" date="2019-MM-DD" description="Feature and bug fix release (Java 8)">
<action issue="CSV-233" type="add" dev="ggregory" due-to="Gary Gregory">Add predefined CSVFormats for printing MongoDB CSV anJ TSV.</action>
<action issue="CSV-208" type="fix" dev="ggregory" due-to="Jurrie Overgoor">Fix escape character for POSTGRESQL_TEXT and POSTGRESQL_CSV formats.</action>
<action issue="CSV-232" type="fix" dev="ggregory" due-to="Jurrie Overgoor, Gary Gregory">Site link "Source Repository" does not work.</action>
<action issue="CSV-234" type="add" dev="ggregory" due-to="Roberto Benedetti, Gary Gregory">Add support for java.sql.Clob.</action>
<action issue="CSV-237" type="update" dev="ggregory" due-to="Gary Gregory">Update to Java 8.</action>
<action issue="CSV-238" type="fix" dev="ggregory" due-to="Stephen Olander-Waters">Escape quotes in CLOBs #39.</action>
</release>
<release version="1.6" date="2018-09-22" description="Feature and bug fix release">
<release version="1.6" date="2018-09-22" description="Feature and bug fix release (Java 7)">
<action issue="CSV-231" type="update" dev="britter">Add more documentation to CSVPrinter.</action>
<action issue="CSV-217" type="add" dev="ggregory" due-to="Korolyov Alexei">Add autoFlush option for CsvPrinter. PR #24.</action>
<action issue="CSV-219" type="fix" dev="ggregory" due-to="Zhang Hongda">The behavior of quote char using is not similar as Excel does when the first string contains CJK char(s).</action>
@ -57,7 +58,7 @@
<action issue="CSV-225" type="fix" dev="ggregory" due-to="Anson Schwabecher">Parse method should avoid creating a redundant BufferedReader.</action>
<action issue="CSV-233" type="fix" dev="ggregory" due-to="Gary Gregory">Add predefined CSVFormats for printing MongoDB CSV and TSV.</action>
</release>
<release version="1.5" date="2017-09-03" description="Feature and bug fix release">
<release version="1.5" date="2017-09-03" description="Feature and bug fix release (Java 7)">
<action issue="CSV-203" type="fix" dev="ggregory" due-to="Richard Wheeldon, Kai Paroth">withNullString value is printed without quotes when QuoteMode.ALL is specified; add QuoteMode.ALL_NON_NULL. PR #17.</action>
<action issue="CSV-194" type="fix" dev="ggregory" due-to="Marc Prud'hommeaux">Fix outdated comments about FileReader in CSVParser #13</action>
<action issue="CSV-193" type="fix" dev="ggregory" due-to="Matthias Wiehl">Fix incorrect method name 'withFirstRowAsHeader' in user guide.</action>
@ -72,12 +73,12 @@
<action issue="CSV-207" type="add" dev="ggregory" due-to="Gary Gregory">Provide a CSV Format for printing PostgreSQL CSV and Text formats.</action>
<action issue="CSV-214" type="add" dev="ggregory" due-to="Nitin Mahendru, Gary Gregory">Adding a placeholder in the Lexer and CSV parser to store the end-of-line string.</action>
</release>
<release version="1.4" date="2016-05-28" description="Feature and bug fix release">
<release version="1.4" date="2016-05-28" description="Feature and bug fix release (Java 6)">
<action issue="CSV-181" type="update" dev="ggregory" due-to="Gary Gregory">Make CSVPrinter.print(Object) GC-free.</action>
<action issue="CSV-182" type="add" dev="ggregory" due-to="Gary Gregory">Allow some printing operations directly from CSVFormat.</action>
<action issue="CSV-183" type="update" dev="ggregory">Drop ferc.gov tests.</action>
</release>
<release version="1.3" date="2016-05-09" description="Feature and bug fix release">
<release version="1.3" date="2016-05-09" description="Feature and bug fix release (Java 6)">
<action issue="CSV-179" type="add" dev="britter">Add shortcut method for using first record as header to CSVFormat</action>
<action issue="CSV-180" type="add" dev="britter">Add withHeader(Class&lt;? extends Enum&gt;) to CSVFormat</action>
<action issue="CSV-167" type="update" dev="sebb" due-to="Rene">Comment line hides next record; update Javadoc to make behaviour clear</action>
@ -91,7 +92,7 @@
<action issue="CSV-177" type="add" dev="ggregory" due-to="Gary Gregory">Support trimming leading and trailing blanks.</action>
<action issue="CSV-178" type="add" dev="ggregory" due-to="Gary Gregory">Create default formats for Informix UNLOAD and UNLOAD CSV.</action>
</release>
<release version="1.2" date="2015-08-24" description="Feature and bug fix release">
<release version="1.2" date="2015-08-24" description="Feature and bug fix release (Java 6)">
<action issue="CSV-145" type="fix" dev="ggregory" due-to="Frank Ulbricht">CSVFormat.with* methods clear the header comments</action>
<action issue="CSV-156" type="fix" dev="ggregory" due-to="Jason Steenstra-Pickens">Incorrect Javadoc on QuoteMode.NONE</action>
<action issue="CSV-157" type="add" dev="ggregory">Add enum CSVFormat.Predefined that contains the default CSVFormat values.</action>
@ -107,7 +108,7 @@
<action issue="CSV-131" type="add" dev="ggregory" due-to="Holger Stratmann">Save positions of records to enable random access</action>
<action issue="CSV-139" type="add" dev="ggregory">CSVPrinter.printRecord(ResultSet) with metadata</action>
</release>
<release version="1.0" date="2014-08-14" description="First release">
<release version="1.0" date="2014-08-14" description="First release (Java 6)">
<action issue="CSV-125" type="fix" dev="britter">No longer works with Java 6</action>
<action issue="CSV-122" type="fix" dev="britter" due-to="Mike Lewis">NullPointerException when empty header string and and null string of ""</action>
<action issue="CSV-117" type="update" dev="sebb">Validate format parameters in constructor</action>

40
src/main/java/org/apache/commons/csv/CSVFormat.java
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@ -1240,8 +1240,7 @@ public final class CSVFormat implements Serializable {
out.append(getDelimiter());
}
if (isQuoteCharacterSet()) {
// the original object is needed so can check for Number
printWithQuotes(reader, out, newRecord);
printWithQuotes(reader, out);
} else if (isEscapeCharacterSet()) {
printWithEscapes(reader, out);
} else if (out instanceof Writer) {
@ -1501,18 +1500,43 @@ public final class CSVFormat implements Serializable {
*
* @throws IOException
*/
private void printWithQuotes(final Reader reader, final Appendable out, final boolean newRecord)
throws IOException {
final char quoteChar = getQuoteCharacter().charValue();
private void printWithQuotes(final Reader reader, final Appendable out) throws IOException {
if (getQuoteMode() == QuoteMode.NONE) {
printWithEscapes(reader, out);
return;
}
out.append(quoteChar);
IOUtils.copy(reader, out);
out.append(quoteChar);
int pos = 0;
final char quote = getQuoteCharacter().charValue();
final StringBuilder builder = new StringBuilder(IOUtils.DEFAULT_BUFFER_SIZE);
out.append(quote);
int c;
while (-1 != (c = reader.read())) {
builder.append((char) c);
if (c == quote) {
// write out segment up until this char
if (pos > 0) {
out.append(builder.substring(0, pos));
builder.setLength(0);
pos = -1;
}
out.append(quote);
out.append((char) c);
}
pos++;
}
// write last segment
if (pos > 0) {
out.append(builder.substring(0, pos));
}
out.append(quote);
}
@Override

5
src/test/java/org/apache/commons/csv/CSVPrinterTest.java
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@ -219,8 +219,11 @@ public class CSVPrinterTest {
try (final Statement statement = connection.createStatement()) {
statement.execute("CREATE TABLE TEST(ID INT PRIMARY KEY, NAME VARCHAR(255), TEXT CLOB)");
statement.execute("insert into TEST values(1, 'r1', 'long text 1')");
longText2 = StringUtils.repeat('a', (IOUtils.DEFAULT_BUFFER_SIZE * 2) + 1);
longText2 = StringUtils.repeat('a', IOUtils.DEFAULT_BUFFER_SIZE - 4);
longText2 += "\"\r\n\"a\"";
longText2 += StringUtils.repeat('a', IOUtils.DEFAULT_BUFFER_SIZE - 1);
statement.execute("insert into TEST values(2, 'r2', '" + longText2 + "')");
longText2 = longText2.replace("\"","\"\"");
}
}