Created
June 5, 2019 03:39
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| package com.bideafactory.wom.usageconsuption.converter; | |
| import org.bson.Document; | |
| import org.springframework.core.convert.converter.Converter; | |
| import org.springframework.data.convert.ReadingConverter; | |
| import org.springframework.data.mongodb.core.convert.MongoConverter; | |
| import javax.xml.bind.JAXBElement; | |
| import javax.xml.namespace.QName; | |
| import java.util.LinkedHashMap; | |
| import java.util.List; | |
| @ReadingConverter | |
| public class JAXBElementReaderConverter implements Converter<Document, JAXBElement> { | |
| private final MongoConverter converter; | |
| public JAXBElementReaderConverter(MongoConverter converter) { | |
| this.converter = converter; | |
| } | |
| @Override | |
| @SuppressWarnings("unchecked") | |
| public JAXBElement convert(Document dbObject) { | |
| Class declaredType, scope; | |
| Document qName = (Document) dbObject.get("name"); | |
| QName name = new QName(qName.getString("namespaceURI"), qName.getString("localPart"), qName.getString("prefix")); | |
| Object rawValue = dbObject.get("value"); | |
| try { | |
| declaredType = Class.forName((String) dbObject.get("declaredType")); | |
| } catch (ClassNotFoundException e) { | |
| if (rawValue.getClass().isArray()) declaredType = List.class; | |
| else declaredType = LinkedHashMap.class; | |
| } | |
| try { | |
| scope = Class.forName((String) dbObject.get("scope")); | |
| } catch (ClassNotFoundException e) { | |
| scope = JAXBElement.GlobalScope.class; | |
| } | |
| Object value = rawValue instanceof Document ? converter.read(declaredType, (Document) rawValue) : rawValue; | |
| return new JAXBElement(name, declaredType, scope, value); | |
| } | |
| } |
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