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Adjustments for nullness annotated TypeParser (#10068)

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Signed-off-by: Christoph Weitkamp <github@christophweitkamp.de>
This commit is contained in:
Christoph Weitkamp
2021-02-07 11:43:17 +01:00
committed by GitHub
parent 8a2ac82b07
commit 1210fec9f9
4 changed files with 39 additions and 33 deletions
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13
bundles/org.openhab.binding.oceanic/src/main/java/org/openhab/binding/oceanic/internal/handler/NetworkOceanicThingHandler.java
View File

@@ -22,6 +22,8 @@ import java.util.concurrent.ScheduledFuture;
import java.util.concurrent.TimeUnit;
import org.apache.commons.lang.StringUtils;
import org.eclipse.jdt.annotation.NonNullByDefault;
import org.eclipse.jdt.annotation.Nullable;
import org.openhab.binding.oceanic.internal.NetworkOceanicBindingConfiguration;
import org.openhab.binding.oceanic.internal.Throttler;
import org.openhab.core.thing.Thing;
@@ -36,6 +38,7 @@ import org.slf4j.LoggerFactory;
*
* @author Karel Goderis - Initial contribution
*/
@NonNullByDefault
public class NetworkOceanicThingHandler extends OceanicThingHandler {
private static final int REQUEST_TIMEOUT = 3000;
@@ -43,10 +46,10 @@ public class NetworkOceanicThingHandler extends OceanicThingHandler {
private final Logger logger = LoggerFactory.getLogger(NetworkOceanicThingHandler.class);
private Socket socket;
private InputStream inputStream;
private OutputStream outputStream;
protected ScheduledFuture<?> reconnectJob;
private @Nullable Socket socket;
private @Nullable InputStream inputStream;
private @Nullable OutputStream outputStream;
protected @Nullable ScheduledFuture<?> reconnectJob;
public NetworkOceanicThingHandler(Thing thing) {
super(thing);
@@ -99,7 +102,7 @@ public class NetworkOceanicThingHandler extends OceanicThingHandler {
}
@Override
protected String requestResponse(String commandAsString) {
protected @Nullable String requestResponse(String commandAsString) {
synchronized (this) {
if (getThing().getStatus() == ThingStatus.ONLINE) {
NetworkOceanicBindingConfiguration config = getConfigAs(NetworkOceanicBindingConfiguration.class);

29
bundles/org.openhab.binding.oceanic/src/main/java/org/openhab/binding/oceanic/internal/handler/OceanicThingHandler.java
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@@ -13,13 +13,13 @@
package org.openhab.binding.oceanic.internal.handler;
import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ScheduledFuture;
import java.util.concurrent.TimeUnit;
import org.eclipse.jdt.annotation.NonNull;
import org.eclipse.jdt.annotation.NonNullByDefault;
import org.eclipse.jdt.annotation.Nullable;
import org.openhab.binding.oceanic.internal.OceanicBindingConstants.OceanicChannelSelector;
import org.openhab.core.thing.Channel;
import org.openhab.core.thing.ChannelUID;
@@ -30,7 +30,6 @@ import org.openhab.core.thing.binding.BaseThingHandler;
import org.openhab.core.types.Command;
import org.openhab.core.types.RefreshType;
import org.openhab.core.types.State;
import org.openhab.core.types.Type;
import org.openhab.core.types.TypeParser;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@@ -41,6 +40,7 @@ import org.slf4j.LoggerFactory;
*
* @author Karel Goderis - Initial contribution
*/
@NonNullByDefault
public abstract class OceanicThingHandler extends BaseThingHandler {
public static final String INTERVAL = "interval";
@@ -48,10 +48,10 @@ public abstract class OceanicThingHandler extends BaseThingHandler {
private final Logger logger = LoggerFactory.getLogger(OceanicThingHandler.class);
protected int bufferSize;
protected ScheduledFuture<?> pollingJob;
protected @Nullable ScheduledFuture<?> pollingJob;
protected static String lastLineReceived = "";
public OceanicThingHandler(@NonNull Thing thing) {
public OceanicThingHandler(Thing thing) {
super(thing);
}
@@ -78,7 +78,9 @@ public abstract class OceanicThingHandler extends BaseThingHandler {
updateProperties(properties);
} else {
State value = createStateForType(selector, response);
updateState(theChannelUID, value);
if (value != null) {
updateState(theChannelUID, value);
}
}
} else {
logger.warn("Received an empty answer for '{}'", selector.name());
@@ -138,7 +140,7 @@ public abstract class OceanicThingHandler extends BaseThingHandler {
break;
}
String response = requestResponse(commandAsString);
if (response.equals("ERR")) {
if ("ERR".equals(response)) {
logger.error("An error occurred while setting '{}' to {}", selector.toString(),
commandAsString);
}
@@ -155,15 +157,10 @@ public abstract class OceanicThingHandler extends BaseThingHandler {
}
@SuppressWarnings("unchecked")
private State createStateForType(OceanicChannelSelector selector, String value) {
Class<? extends Type> typeClass = selector.getTypeClass();
List<Class<? extends State>> stateTypeList = new ArrayList<>();
stateTypeList.add((Class<? extends State>) typeClass);
State state = TypeParser.parseState(stateTypeList, selector.convertValue(value));
return state;
private @Nullable State createStateForType(OceanicChannelSelector selector, String value) {
return TypeParser.parseState(List.of((Class<? extends State>) selector.getTypeClass()),
selector.convertValue(value));
}
protected abstract String requestResponse(String commandAsString);
protected abstract @Nullable String requestResponse(String commandAsString);
}