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BAEL-6509 - JSON to XML conversion in Java (#14050) 

* BAEL-6509 - JSON to XML conversion

* BAEL-6509 - CRLF to LF
This commit is contained in:
Abhinav Pandey 2023-05-27 21:08:50 +05:30 committed by GitHub
parent 668b8f0b77
commit d9027f6a1b
2 changed files with 100 additions and 0 deletions
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23
xml-2/pom.xml
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@ -26,6 +26,26 @@
<version>${junit-jupiter.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.json</groupId>
<artifactId>json</artifactId>
<version>${json.version}</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>${jackson.version}</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.dataformat</groupId>
<artifactId>jackson-dataformat-xml</artifactId>
<version>${jackson.version}</version>
</dependency>
<dependency>
<groupId>com.github.javadev</groupId>
<artifactId>underscore</artifactId>
<version>${underscore.version}</version>
</dependency>
</dependencies>
<build>
@ -51,6 +71,9 @@
<properties>
<dom4j.version>2.1.3</dom4j.version>
<jackson.version>2.14.1</jackson.version>
<json.version>20230227</json.version>
<underscore.version>1.89</underscore.version>
</properties>
</project>

77
xml-2/src/test/java/com/baeldung/xml/json2xml/JsonToXmlUnitTest.java Normal file
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@ -0,0 +1,77 @@
package com.baeldung.xml.json2xml;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializationFeature;
import com.fasterxml.jackson.dataformat.xml.XmlMapper;
import com.fasterxml.jackson.dataformat.xml.ser.ToXmlGenerator;
import com.github.underscore.U;
import org.json.JSONObject;
import org.json.XML;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;
public class JsonToXmlUnitTest {
@Test
public void givenJsonString_whenConvertToXMLUsingJsonJava_thenConverted() {
String jsonString = "{\"name\":\"John\", \"age\":20, \"address\":{\"street\":\"Wall Street\", \"city\":\"New York\"}}";
JSONObject jsonObject = new JSONObject(jsonString);
String xmlString = XML.toString(jsonObject);
Assertions.assertEquals("<address><city>New York</city><street>Wall Street</street></address><name>John</name><age>20</age>", xmlString);
}
@Test
public void givenJsonString_whenConvertToXMLUsingJackson_thenConverted() throws JsonProcessingException {
String jsonString = "{\"name\":\"John\", \"age\":20, \"address\":{\"street\":\"Wall Street\", \"city\":\"New York\"}}";
ObjectMapper objectMapper = new ObjectMapper();
JsonNode jsonNode = objectMapper.readTree(jsonString);
String xmlString = new XmlMapper().writeValueAsString(jsonNode);
Assertions.assertEquals("<ObjectNode><name>John</name><age>20</age><address><street>Wall Street</street><city>New York</city></address></ObjectNode>", xmlString);
}
@Test
public void givenJsonString_whenConvertToXMLUsingJacksonWithXMLDeclarationAndRoot_thenConverted() throws JsonProcessingException {
String jsonString = "{\"name\":\"John\", \"age\":20, \"address\":{\"street\":\"Wall Street\", \"city\":\"New York\"}}";
ObjectMapper objectMapper = new ObjectMapper();
JsonNode jsonNode = objectMapper.readTree(jsonString);
XmlMapper xmlMapper = new XmlMapper();
xmlMapper.configure(SerializationFeature.INDENT_OUTPUT, true);
xmlMapper.configure(ToXmlGenerator.Feature.WRITE_XML_DECLARATION, true);
xmlMapper.configure(ToXmlGenerator.Feature.WRITE_XML_1_1, true);
String xmlString = xmlMapper.writer().withRootName("root").withDefaultPrettyPrinter().writeValueAsString(jsonNode);
Assertions.assertEquals("<?xml version='1.1' encoding='UTF-8'?>\n" +
"<root>\n" +
" <name>John</name>\n" +
" <age>20</age>\n" +
" <address>\n" +
" <street>Wall Street</street>\n" +
" <city>New York</city>\n" +
" </address>\n" +
"</root>\n", xmlString);
}
@Test
public void givenJsonString_whenConvertToXMLUsingUnderscoreJava_thenConverted() {
String jsonString = "{\"name\":\"John\", \"age\":20}";
String xmlString = U.jsonToXml(jsonString);
Assertions.assertEquals("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" +
"<root>\n" +
" <name>John</name>\n" +
" <age number=\"true\">20</age>\n" +
"</root>", xmlString);
}
@Test
public void givenJsonString_whenConvertToXMLUsingUnderscoreJavaWithoutAttributes_thenConverted() {
String jsonString = "{\"name\":\"John\", \"age\":20}";
String xmlString = U.jsonToXml(jsonString, U.JsonToXmlMode.REMOVE_ATTRIBUTES);
Assertions.assertEquals("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" +
"<root>\n" +
" <name>John</name>\n" +
" <age>20</age>\n" +
"</root>", xmlString);
}
}