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BAEL-4748 update examples with favouriteBook

This commit is contained in:
Trixi Turny 2021-01-23 12:56:18 +00:00
parent a0425afd1b
commit c3741487d8
4 changed files with 48 additions and 32 deletions
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8
spring-5-reactive-client/src/main/java/com/baeldung/webclient/json/ReaderConsumerService.java
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@ -1,14 +1,16 @@
package com.baeldung.webclient.json;
import com.baeldung.webclient.json.model.Book;
import java.util.List;
public interface ReaderConsumerService {
List<String> processReaderDataFromObjectArray();
List<Book> processReaderDataFromObjectArray();
List<String> processReaderDataFromReaderArray();
List<Book> processReaderDataFromReaderArray();
List<String> processReaderDataFromReaderList();
List<Book> processReaderDataFromReaderList();
List<String> processNestedReaderDataFromReaderArray();

16
spring-5-reactive-client/src/main/java/com/baeldung/webclient/json/ReaderConsumerServiceImpl.java
View File

@ -21,7 +21,7 @@ public class ReaderConsumerServiceImpl implements ReaderConsumerService {
this.webClient = webClient;
}
@Override
public List<String> processReaderDataFromObjectArray() {
public List<Book> processReaderDataFromObjectArray() {
Mono<Object[]> response = webClient.get()
.accept(MediaType.APPLICATION_JSON)
.retrieve()
@ -29,12 +29,12 @@ public class ReaderConsumerServiceImpl implements ReaderConsumerService {
Object[] objects = response.block();
return Arrays.stream(objects)
.map(object -> mapper.convertValue(object, Reader.class))
.map(Reader::getName)
.map(Reader::getFavouriteBook)
.collect(Collectors.toList());
}
@Override
public List<String> processReaderDataFromReaderArray() {
public List<Book> processReaderDataFromReaderArray() {
Mono<Reader[]> response =
webClient.get()
.accept(MediaType.APPLICATION_JSON)
@ -43,12 +43,12 @@ public class ReaderConsumerServiceImpl implements ReaderConsumerService {
Reader[] readers = response.block();
return Arrays.stream(readers)
.map(Reader::getName)
.map(Reader::getFavouriteBook)
.collect(Collectors.toList());
}
@Override
public List<String> processReaderDataFromReaderList() {
public List<Book> processReaderDataFromReaderList() {
Mono<List<Reader>> response = webClient.get()
.accept(MediaType.APPLICATION_JSON)
.retrieve()
@ -56,7 +56,7 @@ public class ReaderConsumerServiceImpl implements ReaderConsumerService {
List<Reader> readers = response.block();
return readers.stream()
.map(Reader::getName)
.map(Reader::getFavouriteBook)
.collect(Collectors.toList());
}
@ -69,7 +69,7 @@ public class ReaderConsumerServiceImpl implements ReaderConsumerService {
Reader[] readers = response.block();
return Arrays.stream(readers)
.flatMap(reader -> reader.getFavouriteBooks().stream())
.flatMap(reader -> reader.getBooksRead().stream())
.map(Book::getAuthor)
.collect(Collectors.toList());
}
@ -83,7 +83,7 @@ public class ReaderConsumerServiceImpl implements ReaderConsumerService {
List<Reader> readers = response.block();
return readers.stream()
.flatMap(reader -> reader.getFavouriteBooks().stream())
.flatMap(reader -> reader.getBooksRead().stream())
.map(Book::getAuthor)
.collect(Collectors.toList());
}

15
spring-5-reactive-client/src/main/java/com/baeldung/webclient/json/model/Reader.java
View File

@ -10,21 +10,24 @@ import java.util.List;
public class Reader {
private final int id;
private final String name;
private final List<Book> favouriteBooks;
private final Book favouriteBook;
private final List<Book> booksRead;
@JsonCreator
public Reader(
@JsonProperty("id") int id,
@JsonProperty("name") String name,
@JsonProperty("favouriteBooks") List<Book> favoriteBooks) {
@JsonProperty("favouriteBook") Book favouriteBook,
@JsonProperty("booksRead") List<Book> booksRead) {
this.id = id;
this.name = name;
this.favouriteBooks = favoriteBooks;
this.favouriteBook = favouriteBook;
this.booksRead =booksRead;
}
public String getName() {
return name;
public Book getFavouriteBook() {
return favouriteBook;
}
public List<Book> getFavouriteBooks() { return favouriteBooks; }
public List<Book> getBooksRead() { return booksRead; }
}

41
spring-5-reactive-client/src/test/java/com/baeldung/webclient/json/ReaderConsumerServiceImplUnitTest.java
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@ -1,5 +1,6 @@
package com.baeldung.webclient.json;
import com.baeldung.webclient.json.model.Book;
import org.junit.jupiter.api.Test;
import org.springframework.http.HttpStatus;
import org.springframework.web.reactive.function.client.ClientResponse;
@ -10,13 +11,16 @@ import java.util.Arrays;
import java.util.List;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.contains;
import static org.hamcrest.CoreMatchers.hasItems;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.Matchers.hasProperty;
public class ReaderConsumerServiceImplUnitTest {
private static String READER_JSON = "[{\"id\":1,\"name\":\"reader1\",\"favouriteBooks\":[{\"author\":\"Milan Kundera\",\"title\":\"The Unbearable Lightness of Being\"}," +
"{\"author\":\"Charles Dickens\",\"title\":\"Oliver Twist\"}]}," +
"{\"id\":2,\"name\":\"reader2\",\"favouriteBooks\":[{\"author\":\"J.R.R. Tolkien\",\"title\":\"Lord of the Rings\"}, " +
private static String READER_JSON = "[{\"id\":1,\"name\":\"reader1\",\"favouriteBook\":{\"author\":\"Milan Kundera\",\"title\":\"The Unbearable Lightness of Being\"}," +
"\"booksRead\":[{\"author\":\"Charles Dickens\",\"title\":\"Oliver Twist\"},{\"author\":\"Milan Kundera\",\"title\":\"The Unbearable Lightness of Being\"}]}," +
"{\"id\":2,\"name\":\"reader2\",\"favouriteBook\":{\"author\":\"Douglas Adams\",\"title\":\"The Hitchhiker\'s Guide to the Galaxy\"}," +
"\"booksRead\":[{\"author\":\"J.R.R. Tolkien\",\"title\":\"Lord of the Rings\"}, " +
"{\"author\":\"Douglas Adams\",\"title\":\"The Hitchhiker\'s Guide to the Galaxy\"}]}]";
private static String BASE_URL = "http://localhost:8080/readers";
@ -32,23 +36,30 @@ public class ReaderConsumerServiceImplUnitTest {
@Test
void when_processReaderDataFromObjectArray_then_OK() {
List<String> expected = Arrays.asList("reader1", "reader2");
List<String> actual = tested.processReaderDataFromObjectArray();
assertThat(actual, contains(expected.get(0), expected.get(1)));
String expectedAuthor1 = "Milan Kundera";
String expectedAuthor2 = "Douglas Adams";
List<Book> actual = tested.processReaderDataFromObjectArray();
assertThat(actual, hasItems(hasProperty("author", is(expectedAuthor1)),
hasProperty("author", is(expectedAuthor2))));
}
@Test
void when_processReaderDataFromReaderArray_then_OK() {
List<String> expected = Arrays.asList("reader1", "reader2");
List<String> actual = tested.processReaderDataFromReaderArray();
assertThat(actual, contains(expected.get(0), expected.get(1)));
String expectedAuthor1 = "Milan Kundera";
String expectedAuthor2 = "Douglas Adams";
List<Book> actual = tested.processReaderDataFromReaderArray();
assertThat(actual, hasItems(hasProperty("author", is(expectedAuthor1)),
hasProperty("author", is(expectedAuthor2))));
}
@Test
void when_processReaderDataFromReaderList_then_OK() {
List<String> expected = Arrays.asList("reader1", "reader2");
List<String> actual = tested.processReaderDataFromReaderList();
assertThat(actual, contains(expected.get(0), expected.get(1)));
String expectedAuthor1 = "Milan Kundera";
String expectedAuthor2 = "Douglas Adams";
List<Book> actual = tested.processReaderDataFromReaderList();
assertThat(actual, hasItems(hasProperty("author", is(expectedAuthor1)),
hasProperty("author", is(expectedAuthor2))));
}
@Test
@ -60,7 +71,7 @@ public class ReaderConsumerServiceImplUnitTest {
"Douglas Adams");
List<String> actual = tested.processNestedReaderDataFromReaderArray();
assertThat(actual, contains(expected.get(0), expected.get(1), expected.get(2), expected.get(3)));
assertThat(actual, hasItems(expected.get(0), expected.get(1), expected.get(2), expected.get(3)));
}
@Test
@ -72,6 +83,6 @@ public class ReaderConsumerServiceImplUnitTest {
"Douglas Adams");
List<String> actual = tested.processNestedReaderDataFromReaderList();
assertThat(actual, contains(expected.get(0), expected.get(1), expected.get(2), expected.get(3)));
assertThat(actual, hasItems(expected.get(0), expected.get(1), expected.get(2), expected.get(3)));
}
}