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support project backward compatibility to old version of OpenRefine

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This commit is contained in:
Jacky 2018-02-28 20:16:29 -05:00
parent b51dbdcbf2
commit 23ec54b78f
5 changed files with 49 additions and 28 deletions
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20
main/src/com/google/refine/model/Cell.java
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@ -35,8 +35,12 @@ package com.google.refine.model;
import java.io.Serializable;
import java.io.Writer;
import java.time.Instant;
import java.time.LocalDateTime;
import java.time.OffsetDateTime;
import java.time.ZoneOffset;
import java.util.Calendar;
import java.util.Date;
import java.util.Properties;
import org.json.JSONException;
@ -87,11 +91,19 @@ public class Cell implements HasFields, Jsonizable {
} else {
writer.key("v");
if (value != null) {
if (value instanceof LocalDateTime) {
writer.value(ParsingUtilities.localDateToString((LocalDateTime)value));
writer.key("t"); writer.value("date");
Instant instant = null;
if (value instanceof Calendar) {
instant = ((Calendar)value).toInstant();
} else if (value instanceof Date) {
instant = ((Date)value).toInstant();
} else if (value instanceof OffsetDateTime) {
writer.value(ParsingUtilities.dateToString((OffsetDateTime) value));
instant = ((OffsetDateTime)value).toInstant();
} else if (value instanceof LocalDateTime) {
instant = ((LocalDateTime)value).toInstant(ZoneOffset.of("Z"));
}
if (instant != null) {
writer.value(ParsingUtilities.instantToString(instant));
writer.key("t"); writer.value("date");
} else if (value instanceof Double
&& (((Double)value).isNaN() || ((Double)value).isInfinite())) {

7
main/src/com/google/refine/model/medadata/ProjectMetadata.java
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@ -292,11 +292,8 @@ public class ProjectMetadata extends AbstractMetadata {
private void extractModifiedLocalTime(JSONObject obj) {
String modified = JSONUtilities.getString(obj, "modified", LocalDateTime.now().toString());
if (modified.endsWith("Z")) {
this._modified = ParsingUtilities.stringToDate(modified).toLocalDateTime();
} else {
this._modified = ParsingUtilities.stringToLocalDate(modified);
}
this._modified = ParsingUtilities.stringToLocalDate(modified);
}
static protected void preparePreferenceStore(PreferenceStore ps) {

32
main/src/com/google/refine/util/ParsingUtilities.java
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@ -42,6 +42,7 @@ import java.time.Instant;
import java.time.LocalDateTime;
import java.time.OffsetDateTime;
import java.time.ZoneId;
import java.time.ZoneOffset;
import java.time.format.DateTimeFormatter;
import java.util.Properties;
@ -55,6 +56,8 @@ import org.json.JSONObject;
import org.json.JSONTokener;
public class ParsingUtilities {
public static final DateTimeFormatter ISO8601 = DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ss'Z'");
static public Properties parseUrlParameters(HttpServletRequest request) {
Properties options = new Properties();
@ -166,28 +169,39 @@ public class ParsingUtilities {
* @return string with ISO_LOCAL_DATE_TIME formatted date & time
*/
static public String dateToString(OffsetDateTime d) {
return d.format(DateTimeFormatter.ISO_OFFSET_DATE_TIME);
return d.format(ISO8601);
}
static public String localDateToString(LocalDateTime d) {
return d.format(DateTimeFormatter.ISO_LOCAL_DATE_TIME);
OffsetDateTime odt = OffsetDateTime.of(d,
OffsetDateTime.now().getOffset());
return odt.withOffsetSameInstant(ZoneOffset.of("Z")).format(ISO8601);
}
/**
* Parse an ISO_LOCAL_DATE_TIME formatted string into a Java Date.
*
* For backward compatibility, to support the version <= 2.8, cannot use the DateTimeFormatter.ISO_OFFSET_DATE_TIME. Instead, use the ISO8601 below format:
* yyyy-MM-dd'T'HH:mm:ss'Z'
*
* @param s the string to be parsed
* @return LocalDateTime or null if the parse failed
*/
static public OffsetDateTime stringToDate(String s) {
return OffsetDateTime.parse(s, DateTimeFormatter.ISO_OFFSET_DATE_TIME);
Instant instant = Instant.parse(s);
return OffsetDateTime.ofInstant(instant, ZoneId.of("Z"));
}
static public LocalDateTime stringToLocalDate(String s) {
if (s.endsWith("Z")) { // UTC time
Instant instant = Instant.parse(s);
return LocalDateTime.ofInstant(instant, ZoneId.systemDefault());
} else
return LocalDateTime.parse(s, DateTimeFormatter.ISO_LOCAL_DATE_TIME);
Instant instant = Instant.parse(s);
return LocalDateTime.ofInstant(instant, ZoneId.systemDefault());
}
static public String instantToString(Instant instant) {
return OffsetDateTime.ofInstant(instant, ZoneId.of("Z")).format(ISO8601);
}
static public String instantToLocalDateTimeString(Instant instant) {
return LocalDateTime.ofInstant(instant, ZoneId.systemDefault()).format(ISO8601);
}
}

18
main/tests/server/src/com/google/refine/tests/exporters/CsvExporterTests.java
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@ -40,9 +40,8 @@ import static org.mockito.Mockito.when;
import java.io.IOException;
import java.io.StringWriter;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.time.OffsetDateTime;
import java.util.Calendar;
import java.util.Date;
import java.util.Properties;
import org.apache.commons.lang3.StringUtils;
@ -200,13 +199,13 @@ public class CsvExporterTests extends RefineTest {
}
@Test
public void exportDateColumns(){
public void exportDateColumnsPreVersion28(){
CreateGrid(1,2);
LocalDateTime localDate = LocalDateTime.now();
OffsetDateTime date = OffsetDateTime.now(ZoneId.of("Z"));
Calendar calendar = Calendar.getInstance();
Date date = new Date();
when(options.getProperty("printColumnHeader")).thenReturn("false");
project.rows.get(0).cells.set(0, new Cell(localDate, null));
project.rows.get(0).cells.set(0, new Cell(calendar, null));
project.rows.get(0).cells.set(1, new Cell(date, null));
try {
@ -215,12 +214,11 @@ public class CsvExporterTests extends RefineTest {
Assert.fail();
}
String expectedOutput = alignFractionalDigits(ParsingUtilities.localDateToString(localDate)) + "," +
alignFractionalDigits(ParsingUtilities.dateToString(date)) + "\n";
String expectedOutput = ParsingUtilities.instantToLocalDateTimeString(calendar.toInstant()) + "," +
ParsingUtilities.instantToLocalDateTimeString(date.toInstant()) + "\n";
Assert.assertEquals(writer.toString(), expectedOutput);
}
//helper methods
protected void CreateColumns(int noOfColumns){

0
main/tests/server/src/com/google/refine/tests/expr/ExpressionUtilsTests.java → main/tests/server/src/com/google/refine/tests/expr/functions/ExpressionUtilsTests.java
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