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[smartmeter] Prevent NumberFormatException (#16183)

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* Fix NumberFormatException
* Fix logger comment

---------

Signed-off-by: Leo Siepel <leosiepel@gmail.com>
Signed-off-by: Ciprian Pascu <contact@ciprianpascu.ro>
This commit is contained in:
lsiepel 2024-01-27 20:48:59 +01:00 committed by Ciprian Pascu
parent f730fb66d8
commit 62e67b4aa4
2 changed files with 20 additions and 1 deletions
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11
bundles/org.openhab.binding.smartmeter/src/main/java/org/openhab/binding/smartmeter/internal/conformity/negate/NegateHandler.java
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@ -17,6 +17,8 @@ import java.util.function.Function;
import org.eclipse.jdt.annotation.NonNullByDefault;
import org.eclipse.jdt.annotation.Nullable;
import org.openhab.binding.smartmeter.internal.MeterValue;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Handles the Negate Bit property for a specific meter value.
@ -26,6 +28,7 @@ import org.openhab.binding.smartmeter.internal.MeterValue;
*/
@NonNullByDefault
public class NegateHandler {
private static final Logger LOGGER = LoggerFactory.getLogger(NegateHandler.class);
/**
* Gets whether negation should be applied for the given <code>negateProperty</code> and the {@link MeterValue}
@ -64,7 +67,13 @@ public class NegateHandler {
* @return Whether the given bit is set or not
*/
public static boolean isNegateSet(String value, int negatePosition) {
long longValue = Long.parseLong(value);
long longValue = 0;
try {
longValue = (long) Double.parseDouble(value);
} catch (NumberFormatException e) {
LOGGER.warn("Failed to parse value: {} when determining isNegateSet, assuming false", value);
return false;
}
return (longValue & (1L << negatePosition)) != 0;
}
}

10
bundles/org.openhab.binding.smartmeter/src/test/java/org/openhab/binding/smartmeter/TestNegateBit.java
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@ -46,6 +46,16 @@ public class TestNegateBit {
assertTrue(negateState);
}
@Test
public void testNegateHandlingDecimalTrue() {
String negateProperty = "1-0_16-7-0:31:0";
boolean negateStateDot = NegateHandler.shouldNegateState(negateProperty,
obis -> new MeterValue<>(obis, "49.0", null));
assertTrue(negateStateDot);
}
@Test
public void testNegateHandlingFalse() {
String negateProperty = "1-0_1-8-0:5:1";