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From James Carman <ja...@carmanconsulting.com>
Subject Re: svn commit: r1748347 - in /commons/proper/csv/trunk/src: changes/changes.xml main/java/org/apache/commons/csv/CSVFormat.java test/java/org/apache/commons/csv/CSVPrinterTest.java
Date Tue, 14 Jun 2016 12:18:50 GMT
Are Readers that hard to create?

On Tue, Jun 14, 2016 at 2:17 AM Gary Gregory <garydgregory@gmail.com> wrote:

> On Mon, Jun 13, 2016 at 11:13 PM, Benedikt Ritter <britter@apache.org>
> wrote:
>
> > I don't like how we're evolving CSVFormat. It is becoming a dumping
> ground
> > for anything that may be useful or convenient. The more methods we add,
> the
> > harder it becomes for users to find the right method for their use case.
> >
>
> Small is nice, I get that. But how would you do it differently so that I
> can easily use Paths, Files, URI, and URLs...
>
> Gary
>
>
> >
> > Benedikt
> >
> > <ggregory@apache.org> schrieb am Di., 14. Juni 2016 um 07:53 Uhr:
> >
> > > Author: ggregory
> > > Date: Tue Jun 14 05:53:32 2016
> > > New Revision: 1748347
> > >
> > > URL: http://svn.apache.org/viewvc?rev=1748347&view=rev
> > > Log:
> > > Add convenience API CSVFormat.print(File, Charset) (JIRA is down ATM).
> > >
> > > Modified:
> > >     commons/proper/csv/trunk/src/changes/changes.xml
> > >
> > >
> >
> commons/proper/csv/trunk/src/main/java/org/apache/commons/csv/CSVFormat.java
> > >
> > >
> >
> commons/proper/csv/trunk/src/test/java/org/apache/commons/csv/CSVPrinterTest.java
> > >
> > > Modified: commons/proper/csv/trunk/src/changes/changes.xml
> > > URL:
> > >
> >
> http://svn.apache.org/viewvc/commons/proper/csv/trunk/src/changes/changes.xml?rev=1748347&r1=1748346&r2=1748347&view=diff
> > >
> > >
> >
> ==============================================================================
> > > --- commons/proper/csv/trunk/src/changes/changes.xml (original)
> > > +++ commons/proper/csv/trunk/src/changes/changes.xml Tue Jun 14
> 05:53:32
> > > 2016
> > > @@ -40,6 +40,7 @@
> > >    <body>
> > >      <release version="1.5" date="2016-MM-DD" description="Bug fix
> > > release">
> > >        <action issue="CSV-187" type="update" dev="ggregory"
> due-to="Gary
> > > Gregory">Update platform requirement from Java 6 to 7.</action>
> > > +      <action issue="CSV-???" type="add" dev="ggregory" due-to="Gary
> > > Gregory">Add convenience API CSVFormat.print(File, Charset)</action>
> > >      </release>
> > >      <release version="1.4" date="2016-05-28" description="Feature and
> > bug
> > > fix release">
> > >        <action issue="CSV-181" type="update" dev="ggregory"
> due-to="Gary
> > > Gregory">Make CSVPrinter.print(Object) GC-free.</action>
> > >
> > > Modified:
> > >
> >
> commons/proper/csv/trunk/src/main/java/org/apache/commons/csv/CSVFormat.java
> > > URL:
> > >
> >
> http://svn.apache.org/viewvc/commons/proper/csv/trunk/src/main/java/org/apache/commons/csv/CSVFormat.java?rev=1748347&r1=1748346&r2=1748347&view=diff
> > >
> > >
> >
> ==============================================================================
> > > ---
> > >
> >
> commons/proper/csv/trunk/src/main/java/org/apache/commons/csv/CSVFormat.java
> > > (original)
> > > +++
> > >
> >
> commons/proper/csv/trunk/src/main/java/org/apache/commons/csv/CSVFormat.java
> > > Tue Jun 14 05:53:32 2016
> > > @@ -28,10 +28,14 @@ import static org.apache.commons.csv.Con
> > >  import static org.apache.commons.csv.Constants.SP;
> > >  import static org.apache.commons.csv.Constants.TAB;
> > >
> > > +import java.io.File;
> > > +import java.io.FileOutputStream;
> > >  import java.io.IOException;
> > > +import java.io.OutputStreamWriter;
> > >  import java.io.Reader;
> > >  import java.io.Serializable;
> > >  import java.io.StringWriter;
> > > +import java.nio.charset.Charset;
> > >  import java.sql.ResultSet;
> > >  import java.sql.ResultSetMetaData;
> > >  import java.sql.SQLException;
> > > @@ -864,6 +868,27 @@ public final class CSVFormat implements
> > >      }
> > >
> > >      /**
> > > +     * Prints to the specified output.
> > > +     *
> > > +     * <p>
> > > +     * See also {@link CSVPrinter}.
> > > +     * </p>
> > > +     *
> > > +     * @param out
> > > +     *            the output
> > > +     * @param charset
> > > +     *            A charset
> > > +     * @return a printer to an output
> > > +     * @throws IOException
> > > +     *             thrown if the optional header cannot be printed.
> > > +     * @since 1.5
> > > +     */
> > > +    public CSVPrinter print(final File out, Charset charset) throws
> > > IOException {
> > > +        // The FileWriter will be closed when close() is called.
> > > +        return new CSVPrinter(new OutputStreamWriter(new
> > > FileOutputStream(out), charset), this);
> > > +    }
> > > +
> > > +    /**
> > >       * Prints the {@code value} as the next value on the line to
> {@code
> > > out}. The value will be escaped or encapsulated
> > >       * as needed. Useful when one wants to avoid creating CSVPrinters.
> > >       *
> > >
> > > Modified:
> > >
> >
> commons/proper/csv/trunk/src/test/java/org/apache/commons/csv/CSVPrinterTest.java
> > > URL:
> > >
> >
> http://svn.apache.org/viewvc/commons/proper/csv/trunk/src/test/java/org/apache/commons/csv/CSVPrinterTest.java?rev=1748347&r1=1748346&r2=1748347&view=diff
> > >
> > >
> >
> ==============================================================================
> > > ---
> > >
> >
> commons/proper/csv/trunk/src/test/java/org/apache/commons/csv/CSVPrinterTest.java
> > > (original)
> > > +++
> > >
> >
> commons/proper/csv/trunk/src/test/java/org/apache/commons/csv/CSVPrinterTest.java
> > > Tue Jun 14 05:53:32 2016
> > > @@ -22,9 +22,12 @@ import static org.junit.Assert.assertArr
> > >  import static org.junit.Assert.assertEquals;
> > >  import static org.junit.Assert.assertFalse;
> > >
> > > +import java.io.File;
> > >  import java.io.IOException;
> > >  import java.io.StringReader;
> > >  import java.io.StringWriter;
> > > +import java.nio.charset.Charset;
> > > +import java.nio.charset.StandardCharsets;
> > >  import java.sql.Connection;
> > >  import java.sql.DriverManager;
> > >  import java.sql.ResultSet;
> > > @@ -38,6 +41,7 @@ import java.util.List;
> > >  import java.util.Objects;
> > >  import java.util.Random;
> > >
> > > +import org.apache.commons.io.FileUtils;
> > >  import org.junit.Assert;
> > >  import org.junit.Ignore;
> > >  import org.junit.Test;
> > > @@ -728,6 +732,24 @@ public class CSVPrinterTest {
> > >      }
> > >
> > >      @Test
> > > +    public void testPrintToFileWithDefaultCharset() throws
> IOException {
> > > +        File file = File.createTempFile(getClass().getName(), ".csv");
> > > +        try (final CSVPrinter printer = CSVFormat.DEFAULT.print(file,
> > > Charset.defaultCharset())) {
> > > +            printer.printRecord("a", "b\\c");
> > > +        }
> > > +        assertEquals("a,b\\c" + recordSeparator,
> > > FileUtils.readFileToString(file, Charset.defaultCharset()));
> > > +    }
> > > +
> > > +    @Test
> > > +    public void testPrintToFileWithCharsetUtf16Be() throws
> IOException {
> > > +        File file = File.createTempFile(getClass().getName(), ".csv");
> > > +        try (final CSVPrinter printer = CSVFormat.DEFAULT.print(file,
> > > StandardCharsets.UTF_16BE)) {
> > > +            printer.printRecord("a", "b\\c");
> > > +        }
> > > +        assertEquals("a,b\\c" + recordSeparator,
> > > FileUtils.readFileToString(file, StandardCharsets.UTF_16BE));
> > > +    }
> > > +
> > > +    @Test
> > >      public void testPrintCustomNullValues() throws IOException {
> > >          final StringWriter sw = new StringWriter();
> > >          try (final CSVPrinter printer = new CSVPrinter(sw,
> > > CSVFormat.DEFAULT.withNullString("NULL"))) {
> > >
> > >
> > >
> >
>
>
>
> --
> E-Mail: garydgregory@gmail.com | ggregory@apache.org
> Java Persistence with Hibernate, Second Edition
> <http://www.manning.com/bauer3/>
> JUnit in Action, Second Edition <http://www.manning.com/tahchiev/>
> Spring Batch in Action <http://www.manning.com/templier/>
> Blog: http://garygregory.wordpress.com
> Home: http://garygregory.com/
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>

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