Dataweave Transformation (JSON to JAVA ) in Mule
Data conversion from JSON format to JAVA objects is done by Transform Message component.
flow of json to java conversion :
java file is located in src/main/java & json file is in src/main/resources
Transform Message transform :
input.json which is located in src/main/resources is used for input metadata
for output metadata java class named as Info.java is used which is stored in src/main/java
Info.java :
package test_dataweave_javatojson;
public class Info {
private String id;
private String name;
private String city;
private String country;
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getCity() {
return city;
}
public void setCity(String city) {
this.city = city;
}
public String getCountry() {
return country;
}
public void setCountry(String country) {
this.country = country;
}
}
connect input metadata with output metadata :
URL : http://localhost:8085/api/jsontojava
Method : POST
Input :
Output :
XML project code :
<?xml version="1.0" encoding="UTF-8"?>
<mule xmlns:tracking="http://www.mulesoft.org/schema/mule/ee/tracking" xmlns:dw="http://www.mulesoft.org/schema/mule/ee/dw" xmlns:metadata="http://www.mulesoft.org/schema/mule/metadata" xmlns:http="http://www.mulesoft.org/schema/mule/http" xmlns="http://www.mulesoft.org/schema/mule/core" xmlns:doc="http://www.mulesoft.org/schema/mule/documentation"
xmlns:spring="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-current.xsd
http://www.mulesoft.org/schema/mule/core http://www.mulesoft.org/schema/mule/core/current/mule.xsd
http://www.mulesoft.org/schema/mule/http http://www.mulesoft.org/schema/mule/http/current/mule-http.xsd
http://www.mulesoft.org/schema/mule/ee/dw http://www.mulesoft.org/schema/mule/ee/dw/current/dw.xsd
http://www.mulesoft.org/schema/mule/ee/tracking http://www.mulesoft.org/schema/mule/ee/tracking/current/mule-tracking-ee.xsd">
<http:listener-config name="HTTP_Listener_Configuration" host="0.0.0.0" port="8085" basePath="/api" doc:name="HTTP Listener Configuration"/>
<flow name="test_dataweave_jsontojava">
<http:listener config-ref="HTTP_Listener_Configuration" path="/jsontojava" doc:name="HTTP"/>
<dw:transform-message doc:name="Transform Message" metadata:id="34928c1a-01dd-4892-a726-4ce2d4d7c44c">
<dw:input-payload mimeType="application/json"/>
<dw:set-payload><![CDATA[%dw 1.0
%output application/java
---
{
id: payload.id as :number,
name: payload.name,
city: payload.city,
country: payload.country
}]]></dw:set-payload>
</dw:transform-message>
</flow>
</mule>
No comments:
Post a Comment