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angelo.andreussi
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rest-api/web/src/main/java/moxycom/MoxyJsonFeatureCustom.java
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| /******************************************************************************* | ||
| * Copyright (c) 2016, 2022 Eurotech and/or its affiliates and others | ||
| * | ||
| * This program and the accompanying materials are made | ||
| * available under the terms of the Eclipse Public License 2.0 | ||
| * which is available at https://www.eclipse.org/legal/epl-2.0/ | ||
| * | ||
| * SPDX-License-Identifier: EPL-2.0 | ||
| * | ||
| * Contributors: | ||
| * Eurotech - initial API and implementation | ||
| *******************************************************************************/ | ||
| package moxycom; | ||
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| import org.glassfish.jersey.CommonProperties; | ||
| import org.glassfish.jersey.internal.InternalProperties; | ||
| import org.glassfish.jersey.internal.util.PropertiesHelper; | ||
| import org.glassfish.jersey.message.filtering.EntityFilteringFeature; | ||
| import org.glassfish.jersey.moxy.internal.MoxyFilteringFeature; | ||
| import org.glassfish.jersey.moxy.json.internal.FilteringMoxyJsonProvider; | ||
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| import javax.ws.rs.Priorities; | ||
| import javax.ws.rs.core.Configuration; | ||
| import javax.ws.rs.core.Feature; | ||
| import javax.ws.rs.core.FeatureContext; | ||
| import javax.ws.rs.core.MediaType; | ||
| import javax.ws.rs.core.MultivaluedMap; | ||
| import javax.ws.rs.ext.Provider; | ||
| import javax.xml.bind.JAXBException; | ||
| import javax.xml.bind.Unmarshaller; | ||
| import javax.xml.bind.helpers.DefaultValidationEventHandler; | ||
| import java.lang.annotation.Annotation; | ||
| import java.lang.reflect.Type; | ||
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| public class MoxyJsonFeatureCustom implements Feature { | ||
| //Basically this is the org.glassfish.jersey.moxy.json.MoxyJsonFeature but with some tweaks to set a custom JsonProvider | ||
| //Here, I already tried to extend that class but this leads to a bad behaviour since it will register a jsonProvider that interferes with the CustomMoxyJsonProvider here set | ||
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| private static final String JSON_FEATURE = MoxyJsonFeatureCustom.class.getSimpleName(); | ||
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| @Override | ||
| public boolean configure(final FeatureContext context) { | ||
| final Configuration config = context.getConfiguration(); | ||
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| if (CommonProperties.getValue(config.getProperties(), config.getRuntimeType(), | ||
| CommonProperties.MOXY_JSON_FEATURE_DISABLE, Boolean.FALSE, Boolean.class)) { | ||
| return false; | ||
| } | ||
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| final String jsonFeature = CommonProperties.getValue(config.getProperties(), config.getRuntimeType(), | ||
| InternalProperties.JSON_FEATURE, JSON_FEATURE, String.class); | ||
| // Other JSON providers registered. | ||
| if (!JSON_FEATURE.equalsIgnoreCase(jsonFeature)) { | ||
| return false; | ||
| } | ||
|
|
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| // Disable other JSON providers. | ||
| context.property(PropertiesHelper.getPropertyNameForRuntime(InternalProperties.JSON_FEATURE, config.getRuntimeType()), | ||
| JSON_FEATURE); | ||
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| // Set a slightly lower priority of workers than JSON-P so MOXy is not pick-ed up for JsonStructures (if both are used). | ||
| final int workerPriority = Priorities.USER + 2000; | ||
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| if (EntityFilteringFeature.enabled(config)) { | ||
| context.register(MoxyFilteringFeature.class); | ||
| context.register(FilteringMoxyJsonProvider.class, workerPriority); | ||
| } else { | ||
| context.register(CustomMoxyJsonProvider.class, workerPriority); | ||
| } | ||
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| return true; | ||
| } | ||
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| @Provider | ||
| public static class CustomMoxyJsonProvider extends org.glassfish.jersey.moxy.json.internal.ConfigurableMoxyJsonProvider { | ||
| //A custom moxyJsonProvider that sets the unmarshaller validationEventHandler to the default one. This one return false (and hence, jaxb then stops execution and propagate exception to the stack) when error or fatal error is found (when excpetion has been thrown from one of our custom xmlAdapters for example) | ||
| @Override | ||
| protected void preReadFrom(Class<Object> type, Type genericType, Annotation[] annotations, MediaType mediaType, MultivaluedMap<String, String> httpHeaders, Unmarshaller unmarshaller) throws JAXBException { | ||
| super.preReadFrom(type, genericType, annotations, mediaType, httpHeaders, unmarshaller); | ||
| unmarshaller.setEventHandler(new DefaultValidationEventHandler()); | ||
| } | ||
| } | ||
| } |
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