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Add support for keySchema and entrySchema in properties definitions f…
…or YAML
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.../src/main/java/org/eclipse/winery/model/jsonsupport/PropertiesDefinitionDeserializer.java
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| /******************************************************************************* | ||
| * Copyright (c) 2020 Contributors to the Eclipse Foundation | ||
| * | ||
| * See the NOTICE file(s) distributed with this work for additional | ||
| * information regarding copyright ownership. | ||
| * | ||
| * This program and the accompanying materials are made available under the | ||
| * terms of the Eclipse Public License 2.0 which is available at | ||
| * http://www.eclipse.org/legal/epl-2.0, or the Apache Software License 2.0 | ||
| * which is available at https://www.apache.org/licenses/LICENSE-2.0. | ||
| * | ||
| * SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 | ||
| *******************************************************************************/ | ||
|
|
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| package org.eclipse.winery.model.jsonsupport; | ||
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| import java.io.IOException; | ||
| import java.util.List; | ||
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| import org.eclipse.winery.model.tosca.TEntityTemplate; | ||
| import org.eclipse.winery.model.tosca.TEntityType; | ||
| import org.eclipse.winery.model.tosca.extensions.kvproperties.WinerysPropertiesDefinition; | ||
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| import com.fasterxml.jackson.core.JsonGenerator; | ||
| import com.fasterxml.jackson.core.JsonParser; | ||
| import com.fasterxml.jackson.core.JsonPointer; | ||
| import com.fasterxml.jackson.core.JsonProcessingException; | ||
| import com.fasterxml.jackson.core.JsonToken; | ||
| import com.fasterxml.jackson.core.ObjectCodec; | ||
| import com.fasterxml.jackson.databind.DeserializationContext; | ||
| import com.fasterxml.jackson.databind.JavaType; | ||
| import com.fasterxml.jackson.databind.JsonDeserializer; | ||
| import com.fasterxml.jackson.databind.JsonNode; | ||
| import com.fasterxml.jackson.databind.SerializerProvider; | ||
| import com.fasterxml.jackson.databind.deser.std.StdDeserializer; | ||
| import com.fasterxml.jackson.databind.jsontype.TypeSerializer; | ||
| import com.fasterxml.jackson.databind.node.JsonNodeType; | ||
| import com.fasterxml.jackson.databind.node.ObjectNode; | ||
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| public class PropertiesDefinitionDeserializer extends StdDeserializer<TEntityType.PropertiesDefinition> { | ||
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| public PropertiesDefinitionDeserializer() { | ||
| super(TEntityType.PropertiesDefinition.class); | ||
| } | ||
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| @Override | ||
| public TEntityType.PropertiesDefinition deserialize(JsonParser parser, DeserializationContext context) | ||
| throws IOException, JsonProcessingException { | ||
| // read as ObjectNode to enable removing empty properties | ||
| ObjectNode node = parser.getCodec().readTree(parser); | ||
| final JavaType targetType; | ||
| if (node.hasNonNull("propertyDefinitionKVList")) { | ||
| // deserialize as WinerysPropertiesDefinition | ||
| targetType = context.constructType(WinerysPropertiesDefinition.class); | ||
| } else if (node.hasNonNull("element")) { | ||
| targetType = context.constructType(TEntityType.XmlElementDefinition.class); | ||
| // remove unused properties to avoid tripping up the Json Parsing | ||
| node.remove("type"); | ||
| node.remove("properties"); | ||
| } else if (node.hasNonNull("type")) { | ||
| targetType = context.constructType(TEntityType.XmlTypeDefinition.class); | ||
| // remove unused properties to avoid tripping up the Json Parsing | ||
| node.remove("element"); | ||
| node.remove("properties"); | ||
| } else if (node.hasNonNull("properties")) { | ||
| targetType = context.constructType(TEntityType.YamlPropertiesDefinition.class); | ||
| // remove unused properties to avoid tripping up the Json Parsing | ||
| node.remove("type"); | ||
| node.remove("element"); | ||
| } else { | ||
| // this throws an exception | ||
| context.reportMappingException("Could not determine EntityType.PropertiesDefinition implementation from properties", node.fieldNames()); | ||
| return null; | ||
| } | ||
| JsonDeserializer<Object> deserializer = context.findNonContextualValueDeserializer(targetType); | ||
| // create a new JsonParser for the delegate deserializer to account for consumed input in original parser. | ||
| JsonParser objectParser = node.traverse(); | ||
| // advance the parser by one token because the parser initialized by node.traverse() stays at "before start" | ||
| objectParser.nextToken(); | ||
| return (TEntityType.PropertiesDefinition) deserializer.deserialize(objectParser, context); | ||
| } | ||
| } |
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