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BAEL-4736 - Convert JSONArray to List of Object using camel-jackson (#10316) 

* BAEL-4706 - Spring Boot with Spring Batch

* BAEL-3948 - Fix test(s) in spring-batch which leaves repository.sqlite
changed

* BAEL-4736 - Convert JSONArray to List of Object using camel-jackson

Co-authored-by: Jonathan Cook <jcook@sciops.esa.int>
This commit is contained in:
Jonathan Cook 2020-12-14 19:37:05 +01:00 committed by GitHub
parent eb29a0a084
commit 5e8cf2618a
7 changed files with 193 additions and 0 deletions
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11
spring-apache-camel/pom.xml
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@ -47,6 +47,17 @@
<artifactId>camel-spring-javaconfig</artifactId>
<version>${env.camel.version}</version>
</dependency>
<dependency>
<groupId>org.apache.camel</groupId>
<artifactId>camel-jackson</artifactId>
<version>${env.camel.version}</version>
</dependency>
<dependency>
<groupId>org.apache.camel</groupId>
<artifactId>camel-test</artifactId>
<version>${env.camel.version}</version>
<scope>test</scope>
</dependency>
</dependencies>
<properties>

24
spring-apache-camel/src/main/java/com/baeldung/camel/jackson/Fruit.java Normal file
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@ -0,0 +1,24 @@
package com.baeldung.camel.jackson;
public class Fruit {
private String name;
private int id;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
}

17
spring-apache-camel/src/main/java/com/baeldung/camel/jackson/FruitList.java Normal file
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@ -0,0 +1,17 @@
package com.baeldung.camel.jackson;
import java.util.List;
public class FruitList {
private List<Fruit> fruits;
public List<Fruit> getFruits() {
return fruits;
}
public void setFruits(List<Fruit> fruits) {
this.fruits = fruits;
}
}

60
spring-apache-camel/src/test/java/com/baeldung/camel/jackson/FruitArrayJacksonUnmarshalUnitTest.java Normal file
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@ -0,0 +1,60 @@
package com.baeldung.camel.jackson;
import java.io.IOException;
import java.net.URISyntaxException;
import java.net.URL;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.List;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.jackson.ListJacksonDataFormat;
import org.apache.camel.component.mock.MockEndpoint;
import org.apache.camel.test.junit4.CamelTestSupport;
import org.junit.Test;
public class FruitArrayJacksonUnmarshalUnitTest extends CamelTestSupport {
@Test
public void givenJsonFruitArray_whenUnmarshalled_thenSuccess() throws Exception {
MockEndpoint mock = getMockEndpoint("mock:marshalledObject");
mock.expectedMessageCount(1);
mock.message(0).body().isInstanceOf(List.class);
String json = readJsonFromFile("/json/fruit-array.json");
template.sendBody("direct:jsonInput", json);
assertMockEndpointsSatisfied();
@SuppressWarnings("unchecked")
List<Fruit> fruitList = mock.getReceivedExchanges().get(0).getIn().getBody(List.class);
assertNotNull("Fruit lists should not be null", fruitList);
assertEquals("There should be two fruits", 2, fruitList.size());
Fruit fruit = fruitList.get(0);
assertEquals("Fruit name", "Banana", fruit.getName());
assertEquals("Fruit id", 100, fruit.getId());
fruit = fruitList.get(1);
assertEquals("Fruit name", "Apple", fruit.getName());
assertEquals("Fruit id", 101, fruit.getId());
}
@Override
protected RouteBuilder createRouteBuilder() throws Exception {
return new RouteBuilder() {
@Override
public void configure() throws Exception {
from("direct:jsonInput").unmarshal(new ListJacksonDataFormat(Fruit.class))
.to("mock:marshalledObject");
}
};
}
private String readJsonFromFile(String path) throws URISyntaxException, IOException {
URL resource = FruitArrayJacksonUnmarshalUnitTest.class.getResource(path);
return new String(Files.readAllBytes(Paths.get(resource.toURI())));
}
}

59
spring-apache-camel/src/test/java/com/baeldung/camel/jackson/FruitListJacksonUnmarshalUnitTest.java Normal file
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@ -0,0 +1,59 @@
package com.baeldung.camel.jackson;
import java.io.IOException;
import java.net.URISyntaxException;
import java.net.URL;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.List;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.jackson.JacksonDataFormat;
import org.apache.camel.component.mock.MockEndpoint;
import org.apache.camel.test.junit4.CamelTestSupport;
import org.junit.Test;
public class FruitListJacksonUnmarshalUnitTest extends CamelTestSupport {
@Test
public void givenJsonFruitList_whenUnmarshalled_thenSuccess() throws Exception {
MockEndpoint mock = getMockEndpoint("mock:marshalledObject");
mock.expectedMessageCount(1);
mock.message(0).body().isInstanceOf(FruitList.class);
String json = readJsonFromFile("/json/fruit-list.json");
template.sendBody("direct:jsonInput", json);
assertMockEndpointsSatisfied();
FruitList fruitList = mock.getReceivedExchanges().get(0).getIn().getBody(FruitList.class);
assertNotNull("Fruit lists should not be null", fruitList);
List<Fruit> fruits = fruitList.getFruits();
assertEquals("There should be two fruits", 2, fruits.size());
Fruit fruit = fruits.get(0);
assertEquals("Fruit name", "Banana", fruit.getName());
assertEquals("Fruit id", 100, fruit.getId());
fruit = fruits.get(1);
assertEquals("Fruit name", "Apple", fruit.getName());
assertEquals("Fruit id", 101, fruit.getId());
}
@Override
protected RouteBuilder createRouteBuilder() throws Exception {
return new RouteBuilder() {
@Override
public void configure() throws Exception {
from("direct:jsonInput").unmarshal(new JacksonDataFormat(FruitList.class))
.to("mock:marshalledObject");
}
};
}
private String readJsonFromFile(String path) throws URISyntaxException, IOException {
URL resource = FruitListJacksonUnmarshalUnitTest.class.getResource(path);
return new String(Files.readAllBytes(Paths.get(resource.toURI())));
}
}

10
spring-apache-camel/src/test/resources/json/fruit-array.json Normal file
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@ -0,0 +1,10 @@
[
{
"id": 100,
"name": "Banana"
},
{
"id": 101,
"name": "Apple"
}
]

12
spring-apache-camel/src/test/resources/json/fruit-list.json Normal file
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@ -0,0 +1,12 @@
{
"fruits": [
{
"id": 100,
"name": "Banana"
},
{
"id": 101,
"name": "Apple"
}
]
}