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Add convertJavaObject to QCodeExecutor

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This commit is contained in:
darin.kelkhoff
2023-07-03 14:05:07 -05:00
parent 40d073bf54
commit 56b9738f15
4 changed files with 138 additions and 57 deletions
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143
qqq-language-support-javascript/src/main/java/com/kingsrook/qqq/languages/javascript/QJavaScriptExecutor.java
View File

@ -29,6 +29,7 @@ import javax.script.ScriptException;
import java.io.Serializable;
import java.math.BigDecimal;
import java.time.Instant;
import java.time.temporal.ChronoField;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
@ -74,72 +75,108 @@ public class QJavaScriptExecutor implements QCodeExecutor
**
*******************************************************************************/
@Override
public Object convertObjectToJava(Object object)
public Object convertObjectToJava(Object object) throws QCodeException
{
if(object == null || object instanceof String || object instanceof Boolean || object instanceof Integer || object instanceof Long || object instanceof BigDecimal)
try
{
return (object);
}
else if(object instanceof Float f)
{
return (new BigDecimal(f));
}
else if(object instanceof Double d)
{
return (new BigDecimal(d));
}
else if(object instanceof Undefined)
{
////////////////////////////////////////////////////////////////////////////////////////////////////////////
// well, we always said we wanted javascript to treat null & undefined the same way... here's our chance //
////////////////////////////////////////////////////////////////////////////////////////////////////////////
return (null);
}
if(object instanceof ScriptObjectMirror scriptObjectMirror)
{
try
if(object == null || object instanceof String || object instanceof Boolean || object instanceof Integer || object instanceof Long || object instanceof BigDecimal)
{
if("Date".equals(scriptObjectMirror.getClassName()))
{
////////////////////////////////////////////////////////////////////
// looks like the js Date is in UTC (is that because our JVM is?) //
// so the instant being in UTC matches //
////////////////////////////////////////////////////////////////////
Double millis = (Double) scriptObjectMirror.callMember("getTime");
Instant instant = Instant.ofEpochMilli(millis.longValue());
return (instant);
}
return (object);
}
catch(Exception e)
else if(object instanceof Float f)
{
LOG.debug("Error unwrapping javascript date", e);
return (new BigDecimal(f));
}
else if(object instanceof Double d)
{
return (new BigDecimal(d));
}
else if(object instanceof Undefined)
{
////////////////////////////////////////////////////////////////////////////////////////////////////////////
// well, we always said we wanted javascript to treat null & undefined the same way... here's our chance //
////////////////////////////////////////////////////////////////////////////////////////////////////////////
return (null);
}
if(scriptObjectMirror.isArray())
if(object instanceof ScriptObjectMirror scriptObjectMirror)
{
List<Object> result = new ArrayList<>();
for(String key : scriptObjectMirror.keySet())
try
{
result.add(Integer.parseInt(key), convertObjectToJava(scriptObjectMirror.get(key)));
if("Date".equals(scriptObjectMirror.getClassName()))
{
////////////////////////////////////////////////////////////////////
// looks like the js Date is in UTC (is that because our JVM is?) //
// so the instant being in UTC matches //
////////////////////////////////////////////////////////////////////
Double millis = (Double) scriptObjectMirror.callMember("getTime");
Instant instant = Instant.ofEpochMilli(millis.longValue());
return (instant);
}
}
return (result);
}
else
{
///////////////////////////////////////////////////////////////////////////////////////////////////////
// last thing we know to try (though really, there's probably some check we should have around this) //
///////////////////////////////////////////////////////////////////////////////////////////////////////
Map<String, Object> result = new HashMap<>();
for(String key : scriptObjectMirror.keySet())
catch(Exception e)
{
result.put(key, convertObjectToJava(scriptObjectMirror.get(key)));
LOG.debug("Error unwrapping javascript date", e);
}
return (result);
}
}
return QCodeExecutor.super.convertObjectToJava(object);
if(scriptObjectMirror.isArray())
{
List<Object> result = new ArrayList<>();
for(String key : scriptObjectMirror.keySet())
{
result.add(Integer.parseInt(key), convertObjectToJava(scriptObjectMirror.get(key)));
}
return (result);
}
else
{
///////////////////////////////////////////////////////////////////////////////////////////////////////
// last thing we know to try (though really, there's probably some check we should have around this) //
///////////////////////////////////////////////////////////////////////////////////////////////////////
Map<String, Object> result = new HashMap<>();
for(String key : scriptObjectMirror.keySet())
{
result.put(key, convertObjectToJava(scriptObjectMirror.get(key)));
}
return (result);
}
}
return QCodeExecutor.super.convertObjectToJava(object);
}
catch(Exception e)
{
throw (new QCodeException("Error converting java object", e));
}
}
/*******************************************************************************
** Convert a native java object into one for the script's language/runtime.
** e.g., a java Instant to a Nashorn Date
**
*******************************************************************************/
public Object convertJavaObject(Object object, Object requestedTypeHint) throws QCodeException
{
try
{
if("Date".equals(requestedTypeHint))
{
if(object instanceof Instant i)
{
long millis = (i.getEpochSecond() * 1000 + i.getLong(ChronoField.MILLI_OF_SECOND));
ScriptEngine engine = new ScriptEngineManager().getEngineByName("nashorn");
return engine.eval("new Date(" + millis + ")");
}
}
return (QCodeExecutor.super.convertJavaObject(object, requestedTypeHint));
}
catch(Exception e)
{
throw (new QCodeException("Error converting java object", e));
}
}

35
qqq-language-support-javascript/src/test/java/com/kingsrook/qqq/languages/javascript/ExecuteCodeActionTest.java
View File

@ -41,9 +41,11 @@ import com.kingsrook.qqq.backend.core.utils.collections.MapBuilder;
import org.assertj.core.api.Assertions;
import org.assertj.core.data.Offset;
import org.junit.jupiter.api.Test;
import org.openjdk.nashorn.api.scripting.ScriptObjectMirror;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.AssertionsForClassTypes.assertThatThrownBy;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotSame;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertTrue;
@ -284,6 +286,27 @@ class ExecuteCodeActionTest extends BaseTest
/*******************************************************************************
**
*******************************************************************************/
@Test
void testConvertJavaObject() throws QException
{
TestQCodeExecutorAware converter = new TestQCodeExecutorAware();
Instant originalInstant = Instant.parse("2023-07-03T11:42:42Z");
testOne(1, """
converter.convertJavaObject("jsDate", instant, "Date");
converter.convertObject("backToInstant", converter.getConvertedObject("jsDate"));
""", MapBuilder.of("converter", converter, "instant", originalInstant));
assertThat(converter.getConvertedObject("jsDate")).isInstanceOf(ScriptObjectMirror.class);
assertEquals(originalInstant, converter.getConvertedObject("backToInstant"));
assertNotSame(originalInstant, converter.getConvertedObject("backToInstant"));
}
/*******************************************************************************
**
*******************************************************************************/
@ -355,13 +378,23 @@ class ExecuteCodeActionTest extends BaseTest
/*******************************************************************************
**
*******************************************************************************/
public void convertObject(String name, Object inputObject)
public void convertObject(String name, Object inputObject) throws QCodeException
{
convertedObjectMap.put(name, qCodeExecutor.convertObjectToJava(inputObject));
}
/*******************************************************************************
**
*******************************************************************************/
public void convertJavaObject(String name, Object inputObject, Object hint) throws QCodeException
{
convertedObjectMap.put(name, qCodeExecutor.convertJavaObject(inputObject, hint));
}
/*******************************************************************************
**
*******************************************************************************/