Merge branch 'master' of https://github.com/eugenp/tutorials

aws-app-sync/pom.xml

@@ -0,0 +1,56 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>2.2.6.RELEASE</version>
+        <relativePath/> <!-- lookup parent from repository -->
+    </parent>
+
+    <groupId>com.baeldung</groupId>
+    <artifactId>aws-app-sync</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>aws-app-sync</name>
+
+    <description>Spring Boot using AWS App Sync</description>
+
+    <properties>
+        <java.version>1.8</java.version>
+    </properties>
+
+    <dependencies>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+            <exclusions>
+                <exclusion>
+                    <groupId>org.junit.vintage</groupId>
+                    <artifactId>junit-vintage-engine</artifactId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-webflux</artifactId>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>

aws-app-sync/src/main/java/com/baeldung/awsappsync/AppSyncClientHelper.java

@@ -0,0 +1,32 @@
+package com.baeldung.awsappsync;
+
+import org.springframework.http.HttpMethod;
+import org.springframework.http.MediaType;
+import org.springframework.web.reactive.function.BodyInserters;
+import org.springframework.web.reactive.function.client.WebClient;
+
+import java.nio.charset.StandardCharsets;
+import java.util.Map;
+
+public class AppSyncClientHelper {
+
+    static String apiUrl = "https://m4i3b6icrrb7livfbypfspiifi.appsync-api.us-east-2.amazonaws.com";
+    static String apiKey = "da2-bm4rpatkkrc5jfyhvvq7itjeke";
+    static String API_KEY_HEADER = "x-api-key";
+
+    public static WebClient.ResponseSpec getResponseBodySpec(Map<String, Object> requestBody) {
+        return WebClient
+                .builder()
+                .baseUrl(apiUrl)
+                .defaultHeader(API_KEY_HEADER, apiKey)
+                .defaultHeader("Content-Type", "application/json")
+                .build()
+                .method(HttpMethod.POST)
+                .uri("/graphql")
+                .body(BodyInserters.fromValue(requestBody))
+                .accept(MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML)
+                .acceptCharset(StandardCharsets.UTF_8)
+                .retrieve();
+    }
+
+}

aws-app-sync/src/main/java/com/baeldung/awsappsync/AwsAppSyncApplication.java

@@ -0,0 +1,13 @@
+package com.baeldung.awsappsync;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class AwsAppSyncApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(AwsAppSyncApplication.class, args);
+    }
+
+}

aws-app-sync/src/test/java/com/baeldung/awsappsync/AwsAppSyncApplicationTests.java

@@ -0,0 +1,72 @@
+package com.baeldung.awsappsync;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.web.reactive.function.client.WebClient;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+@SpringBootTest
+class AwsAppSyncApplicationTests {
+
+    @Test
+    void givenGraphQuery_whenListEvents_thenReturnAllEvents() {
+
+        Map<String, Object> requestBody = new HashMap<>();
+        requestBody.put("query", "query ListEvents {"
+                + "  listEvents {"
+                + "    items {"
+                + "      id"
+                + "      name"
+                + "      where"
+                + "      when"
+                + "      description"
+                + "    }"
+                + "  }"
+                + "}");
+        requestBody.put("variables", "");
+        requestBody.put("operationName", "ListEvents");
+
+        String bodyString = AppSyncClientHelper.getResponseBodySpec(requestBody)
+                .bodyToMono(String.class).block();
+
+        assertNotNull(bodyString);
+        assertTrue(bodyString.contains("My First Event"));
+        assertTrue(bodyString.contains("where"));
+        assertTrue(bodyString.contains("when"));
+    }
+
+    @Test
+    void givenGraphAdd_whenMutation_thenReturnIdNameDesc() {
+
+        String queryString = "mutation add {"
+                + "    createEvent("
+                + "        name:\"My added GraphQL event\""
+                + "        where:\"Day 2\""
+                + "        when:\"Saturday night\""
+                + "        description:\"Studying GraphQL\""
+                + "    ){"
+                + "        id"
+                + "        name"
+                + "        description"
+                + "    }"
+                + "}";
+
+        Map<String, Object> requestBody = new HashMap<>();
+        requestBody.put("query", queryString);
+        requestBody.put("variables", "");
+        requestBody.put("operationName", "add");
+
+        WebClient.ResponseSpec response = AppSyncClientHelper.getResponseBodySpec(requestBody);
+
+        String bodyString = response.bodyToMono(String.class).block();
+
+        assertNotNull(bodyString);
+        assertTrue(bodyString.contains("My added GraphQL event"));
+        assertFalse(bodyString.contains("where"));
+        assertFalse(bodyString.contains("when"));
+    }
+}

libraries-rpc/pom.xml

@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>libraries-rpc</artifactId>
+    <name>libraries-rpc</name>
+    <packaging>jar</packaging>
+
+    <parent>
+        <groupId>com.baeldung</groupId>
+        <artifactId>parent-modules</artifactId>
+        <version>1.0.0-SNAPSHOT</version>
+    </parent>
+
+    <dependencies>
+      <dependency>
+        <groupId>com.twitter</groupId>
+        <artifactId>finagle-core_2.13</artifactId>
+        <version>${finagle.core.version}</version>
+      </dependency>
+      <dependency>
+          <groupId>com.twitter</groupId>
+          <artifactId>finagle-http_2.13</artifactId>
+          <version>${finagle.http.version}</version>
+      </dependency>
+
+    </dependencies>
+
+    <properties>
+        <finagle.core.version>20.4.0</finagle.core.version>
+        <finagle.http.version>20.4.0</finagle.http.version>
+    </properties>
+
+
+</project>

libraries-rpc/src/main/java/com/baeldung/rpc/finagle/GreetingService.java

@@ -0,0 +1,18 @@
+package com.baeldung.rpc.finagle;
+
+import com.twitter.finagle.Service;
+import com.twitter.finagle.http.Request;
+import com.twitter.finagle.http.Response;
+import com.twitter.finagle.http.Status;
+import com.twitter.io.Buf;
+import com.twitter.io.Reader;
+import com.twitter.util.Future;
+
+public class GreetingService extends Service<Request, Response> {
+    @Override
+    public Future<Response> apply(Request request) {
+        String greeting = "Hello " + request.getParam("name");
+        Reader<Buf> reader = Reader.fromBuf(new Buf.ByteArray(greeting.getBytes(), 0, greeting.length()));
+        return Future.value(Response.apply(request.version(), Status.Ok(), reader));
+    }
+}

libraries-rpc/src/main/java/com/baeldung/rpc/finagle/LogFilter.java

@@ -0,0 +1,22 @@
+package com.baeldung.rpc.finagle;
+
+import com.twitter.finagle.Service;
+import com.twitter.finagle.SimpleFilter;
+import com.twitter.finagle.http.Request;
+import com.twitter.finagle.http.Response;
+import com.twitter.util.Future;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class LogFilter extends SimpleFilter<Request, Response> {
+
+    private static final Logger logger = LoggerFactory.getLogger(LogFilter.class);
+
+    @Override
+    public Future<Response> apply(Request request, Service<Request, Response> service) {
+        logger.info("Request host:" + request.host().getOrElse(() -> ""));
+        logger.info("Request params:");
+        request.getParams().forEach(entry -> logger.info("\t" + entry.getKey() + " : " + entry.getValue()));
+        return service.apply(request);
+    }
+}

libraries-rpc/src/main/resources/logback.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<configuration>
+    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
+            </pattern>
+        </encoder>
+    </appender>
+
+    <root level="INFO">
+        <appender-ref ref="STDOUT" />
+    </root>
+</configuration>

libraries-rpc/src/test/java/com/baeldung/rpc/finagle/FinagleIntegrationTest.java

@@ -0,0 +1,40 @@
+package com.baeldung.rpc.finagle;
+
+import com.twitter.finagle.Http;
+import com.twitter.finagle.Service;
+import com.twitter.finagle.http.Method;
+import com.twitter.finagle.http.Request;
+import com.twitter.finagle.http.Response;
+import com.twitter.util.Await;
+import com.twitter.util.Future;
+import org.junit.Test;
+import scala.runtime.BoxedUnit;
+
+import static org.junit.Assert.assertEquals;
+
+public class FinagleIntegrationTest {
+    @Test
+    public void givenServerAndClient_whenRequestSent_thenClientShouldReceiveResponseFromServer() throws Exception {
+        // given
+        Service serverService = new LogFilter().andThen(new GreetingService());
+        Http.serve(":8080", serverService);
+
+        Service<Request, Response> clientService = new LogFilter().andThen(Http.newService(":8080"));
+
+        // when
+        Request request = Request.apply(Method.Get(), "/?name=John");
+        request.host("localhost");
+        Future<Response> response = clientService.apply(request);
+
+        // then
+        Await.result(response
+                .onSuccess(r -> {
+                    assertEquals("Hello John", r.getContentString());
+                    return BoxedUnit.UNIT;
+                })
+                .onFailure(r -> {
+                    throw new RuntimeException(r);
+                })
+        );
+    }
+}

pdf/pom.xml

@@ -60,6 +60,16 @@
             <artifactId>poi-ooxml</artifactId>
             <version>${poi-ooxml.version}</version>
         </dependency>
+        <dependency>
+            <groupId>org.thymeleaf</groupId>
+            <artifactId>thymeleaf</artifactId>
+            <version>3.0.11.RELEASE</version>
+        </dependency>
+        <dependency>
+            <groupId>org.xhtmlrenderer</groupId>
+            <artifactId>flying-saucer-pdf</artifactId>
+            <version>9.1.20</version>
+        </dependency>
     </dependencies>
 
     <build>

pdf/src/main/java/com/baeldung/pdf/PDFThymeleafExample.java

@@ -0,0 +1,48 @@
+package com.baeldung.pdf;
+
+import com.lowagie.text.DocumentException;
+import org.thymeleaf.TemplateEngine;
+import org.thymeleaf.context.Context;
+import org.thymeleaf.templatemode.TemplateMode;
+import org.thymeleaf.templateresolver.ClassLoaderTemplateResolver;
+import org.xhtmlrenderer.pdf.ITextRenderer;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+
+public class PDFThymeleafExample {
+
+    public static void main(String[] args) throws IOException, DocumentException {
+        PDFThymeleafExample thymeleaf2Pdf = new PDFThymeleafExample();
+        String html = thymeleaf2Pdf.parseThymeleafTemplate();
+        thymeleaf2Pdf.generatePdfFromHtml(html);
+    }
+
+    public void generatePdfFromHtml(String html) throws IOException, DocumentException {
+        String outputFolder = System.getProperty("user.home") + File.separator + "thymeleaf.pdf";
+        OutputStream outputStream = new FileOutputStream(outputFolder);
+
+        ITextRenderer renderer = new ITextRenderer();
+        renderer.setDocumentFromString(html);
+        renderer.layout();
+        renderer.createPDF(outputStream);
+
+        outputStream.close();
+    }
+
+    private String parseThymeleafTemplate() {
+        ClassLoaderTemplateResolver templateResolver = new ClassLoaderTemplateResolver();
+        templateResolver.setSuffix(".html");
+        templateResolver.setTemplateMode(TemplateMode.HTML);
+
+        TemplateEngine templateEngine = new TemplateEngine();
+        templateEngine.setTemplateResolver(templateResolver);
+
+        Context context = new Context();
+        context.setVariable("to", "Baeldung.com");
+
+        return templateEngine.process("thymeleaf_template", context);
+    }
+}

pdf/src/main/resources/thymeleaf_template.html

@@ -0,0 +1,7 @@
+<html lang="en" xmlns:th="http://www.thymeleaf.org">
+  <body>
+    <h3 style="text-align: center; color: green">
+      <span th:text="'Welcome to ' + ${to} + '!'"></span>
+    </h3>
+  </body>
+</html>

pdf/src/test/java/com/baeldung/pdf/PDFThymeleafUnitTest.java

@@ -0,0 +1,52 @@
+package com.baeldung.pdf;
+
+import com.lowagie.text.DocumentException;
+import org.junit.Test;
+import org.thymeleaf.TemplateEngine;
+import org.thymeleaf.context.Context;
+import org.thymeleaf.templatemode.TemplateMode;
+import org.thymeleaf.templateresolver.ClassLoaderTemplateResolver;
+import org.xhtmlrenderer.pdf.ITextRenderer;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+
+import static org.junit.Assert.assertTrue;
+
+public class PDFThymeleafUnitTest {
+
+    @Test
+    public void givenThymeleafTemplate_whenParsedAndRenderedToPDF_thenItShouldNotBeEmpty() throws DocumentException, IOException {
+        String html = parseThymeleafTemplate();
+
+        ByteArrayOutputStream outputStream = generatePdfOutputStreamFromHtml(html);
+
+        assertTrue(outputStream.size() > 0);
+    }
+
+    private ByteArrayOutputStream generatePdfOutputStreamFromHtml(String html) throws IOException, DocumentException {
+        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
+
+        ITextRenderer renderer = new ITextRenderer();
+        renderer.setDocumentFromString(html);
+        renderer.layout();
+        renderer.createPDF(outputStream);
+
+        outputStream.close();
+        return outputStream;
+    }
+
+    private String parseThymeleafTemplate() {
+        ClassLoaderTemplateResolver templateResolver = new ClassLoaderTemplateResolver();
+        templateResolver.setSuffix(".html");
+        templateResolver.setTemplateMode(TemplateMode.HTML);
+
+        TemplateEngine templateEngine = new TemplateEngine();
+        templateEngine.setTemplateResolver(templateResolver);
+
+        Context context = new Context();
+        context.setVariable("to", "Baeldung.com");
+
+        return templateEngine.process("thymeleaf_template", context);
+    }
+}

persistence-modules/java-mongodb/src/main/java/com/baeldung/bsontojson/Book.java

@@ -0,0 +1,168 @@
+package com.baeldung.bsontojson;
+
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.util.HashSet;
+import java.util.Set;
+
+import dev.morphia.annotations.Embedded;
+import dev.morphia.annotations.Entity;
+import dev.morphia.annotations.Field;
+import dev.morphia.annotations.Id;
+import dev.morphia.annotations.Index;
+import dev.morphia.annotations.IndexOptions;
+import dev.morphia.annotations.Indexes;
+import dev.morphia.annotations.Property;
+import dev.morphia.annotations.Reference;
+import dev.morphia.annotations.Validation;
+
+@Entity("Books")
+@Indexes({ @Index(fields = @Field("title"), options = @IndexOptions(name = "book_title")) })
+@Validation("{ price : { $gt : 0 } }")
+public class Book {
+    @Id
+    private String isbn;
+    @Property
+    private String title;
+    private String author;
+    @Embedded
+    private Publisher publisher;
+    @Property("price")
+    private double cost;
+    @Reference
+    private Set<Book> companionBooks;
+    @Property
+    private LocalDateTime publishDate;
+
+    public Book() {
+
+    }
+
+    public Book(String isbn, String title, String author, double cost, Publisher publisher) {
+        this.isbn = isbn;
+        this.title = title;
+        this.author = author;
+        this.cost = cost;
+        this.publisher = publisher;
+        this.companionBooks = new HashSet<>();
+    }
+
+    // Getters and setters ...
+    public String getIsbn() {
+        return isbn;
+    }
+
+    public Book setIsbn(String isbn) {
+        this.isbn = isbn;
+        return this;
+    }
+
+    public String getTitle() {
+        return title;
+    }
+
+    public Book setTitle(String title) {
+        this.title = title;
+        return this;
+    }
+
+    public String getAuthor() {
+        return author;
+    }
+
+    public Book setAuthor(String author) {
+        this.author = author;
+        return this;
+    }
+
+    public Publisher getPublisher() {
+        return publisher;
+    }
+
+    public Book setPublisher(Publisher publisher) {
+        this.publisher = publisher;
+        return this;
+    }
+
+    public double getCost() {
+        return cost;
+    }
+
+    public Book setCost(double cost) {
+        this.cost = cost;
+        return this;
+    }
+
+    public LocalDateTime getPublishDate() {
+        return publishDate;
+    }
+
+    public Book setPublishDate(LocalDateTime publishDate) {
+        this.publishDate = publishDate;
+        return this;
+    }
+
+    public Set<Book> getCompanionBooks() {
+        return companionBooks;
+    }
+
+    public Book addCompanionBooks(Book book) {
+        if (companionBooks != null)
+            this.companionBooks.add(book);
+        return this;
+    }
+
+    @Override
+    public String toString() {
+        return "Book [isbn=" + isbn + ", title=" + title + ", author=" + author + ", publisher=" + publisher + ", cost=" + cost + "]";
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + ((author == null) ? 0 : author.hashCode());
+        long temp;
+        temp = Double.doubleToLongBits(cost);
+        result = prime * result + (int) (temp ^ (temp >>> 32));
+        result = prime * result + ((isbn == null) ? 0 : isbn.hashCode());
+        result = prime * result + ((publisher == null) ? 0 : publisher.hashCode());
+        result = prime * result + ((title == null) ? 0 : title.hashCode());
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj)
+            return true;
+        if (obj == null)
+            return false;
+        if (getClass() != obj.getClass())
+            return false;
+        Book other = (Book) obj;
+        if (author == null) {
+            if (other.author != null)
+                return false;
+        } else if (!author.equals(other.author))
+            return false;
+        if (Double.doubleToLongBits(cost) != Double.doubleToLongBits(other.cost))
+            return false;
+        if (isbn == null) {
+            if (other.isbn != null)
+                return false;
+        } else if (!isbn.equals(other.isbn))
+            return false;
+        if (publisher == null) {
+            if (other.publisher != null)
+                return false;
+        } else if (!publisher.equals(other.publisher))
+            return false;
+        if (title == null) {
+            if (other.title != null)
+                return false;
+        } else if (!title.equals(other.title))
+            return false;
+        return true;
+    }
+
+}

persistence-modules/java-mongodb/src/main/java/com/baeldung/bsontojson/Publisher.java

@@ -0,0 +1,70 @@
+package com.baeldung.bsontojson;
+
+import org.bson.types.ObjectId;
+
+import dev.morphia.annotations.Entity;
+import dev.morphia.annotations.Id;
+
+@Entity
+public class Publisher {
+
+    @Id
+    private ObjectId id;
+    private String name;
+
+    public Publisher() {
+
+    }
+
+    public Publisher(ObjectId id, String name) {
+        this.id = id;
+        this.name = name;
+    }
+
+    public ObjectId getId() {
+        return id;
+    }
+
+    public void setId(ObjectId id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    @Override
+    public String toString() {
+        return "Catalog [id=" + id + ", name=" + name + "]";
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + ((name == null) ? 0 : name.hashCode());
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj)
+            return true;
+        if (obj == null)
+            return false;
+        if (getClass() != obj.getClass())
+            return false;
+        Publisher other = (Publisher) obj;
+        if (name == null) {
+            if (other.name != null)
+                return false;
+        } else if (!name.equals(other.name))
+            return false;
+        return true;
+    }
+
+}

persistence-modules/java-mongodb/src/test/java/com/baeldung/bsontojson/BsonToJsonLiveTest.java

@@ -2,32 +2,18 @@ package com.baeldung.bsontojson;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertTrue;
 
-import java.sql.Timestamp;
-import java.time.Instant;
 import java.time.LocalDateTime;
 import java.time.format.DateTimeFormatter;
-import java.util.Date;
-import java.util.TimeZone;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
 
 import org.bson.Document;
-import org.bson.json.Converter;
 import org.bson.json.JsonMode;
 import org.bson.json.JsonWriterSettings;
-import org.bson.json.StrictJsonWriter;
 import org.bson.types.ObjectId;
 import org.junit.AfterClass;
 import org.junit.BeforeClass;
 import org.junit.Test;
-import org.junit.jupiter.api.AfterEach;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 
-import com.baeldung.morphia.domain.Book;
-import com.baeldung.morphia.domain.Publisher;
 import com.mongodb.MongoClient;
 import com.mongodb.client.MongoDatabase;
 
@@ -42,7 +28,7 @@ public class BsonToJsonLiveTest {
     @BeforeClass
     public static void setUp() {
         Morphia morphia = new Morphia();
-        morphia.mapPackage("com.baeldung.morphia");
+        morphia.mapPackage("com.baeldung.bsontojson");
         datastore = morphia.createDatastore(new MongoClient(), DB_NAME);
         datastore.ensureIndexes();
         
@@ -72,7 +58,7 @@ public class BsonToJsonLiveTest {
         }
         
         String expectedJson = "{\"_id\": \"isbn\", " + 
-            "\"className\": \"com.baeldung.morphia.domain.Book\", " + 
+            "\"className\": \"com.baeldung.bsontojson.Book\", " + 
             "\"title\": \"title\", " + 
             "\"author\": \"author\", " + 
             "\"publisher\": {\"_id\": {\"$oid\": \"fffffffffffffffffffffffa\"}, " + 
@@ -100,7 +86,7 @@ public class BsonToJsonLiveTest {
         }
         
         String expectedJson = "{\"_id\": \"isbn\", " + 
-            "\"className\": \"com.baeldung.morphia.domain.Book\", " + 
+            "\"className\": \"com.baeldung.bsontojson.Book\", " + 
             "\"title\": \"title\", " + 
             "\"author\": \"author\", " + 
             "\"publisher\": {\"_id\": {\"$oid\": \"fffffffffffffffffffffffa\"}, " + 
@@ -127,7 +113,7 @@ public class BsonToJsonLiveTest {
         }
 
         String expectedJson = "{\"_id\": \"isbn\", " + 
-            "\"className\": \"com.baeldung.morphia.domain.Book\", " + 
+            "\"className\": \"com.baeldung.bsontojson.Book\", " + 
             "\"title\": \"title\", " + 
             "\"author\": \"author\", " + 
             "\"publisher\": {\"_id\": {\"$oid\": \"fffffffffffffffffffffffa\"}, " + 

pom.xml

@@ -509,6 +509,7 @@
                 <module>libraries-http-2</module>
                 <module>libraries-io</module>
                 <module>libraries-primitive</module>
+                <module>libraries-rpc</module>
                 <module>libraries-security</module>
                 <module>libraries-server</module>
                 <module>libraries-testing</module>
@@ -897,6 +898,7 @@
                 <module>atomix</module>
 
                 <module>aws</module>
+                <module>aws-app-sync</module>
                 <module>aws-lambda</module>
                 <module>aws-reactive</module>
 

spring-boot-modules/spring-boot-properties/src/main/resources/configForDbProperties.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"
+       xmlns:util="http://www.springframework.org/schema/util"
+       xsi:schemaLocation="
+      http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.2.xsd
+      http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.2.xsd
+      http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.2.xsd"
+>
+
+    <context:property-placeholder location="classpath:database.properties"/>
+
+
+    <bean id="dataSource" class="com.baeldung.configurationproperties.Database">
+        <property name="url" value="${jdbc.url}" />
+        <property name="username" value="${database.username}" />
+        <property name="password" value="${database.password}" />
+    </bean>
+
+</beans>

spring-boot-modules/spring-boot-properties/src/main/resources/configForProperties.xml

@@ -7,7 +7,8 @@
       http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.2.xsd"
 >
 
-    <context:property-placeholder location="classpath:foo.properties,classpath:bar.properties, classpath:database.properties"/>
+
+    <context:property-placeholder location="classpath:foo.properties,classpath:bar.properties,classpath:database.properties"/>
 
     <bean id="componentInXmlUsingProperties" class="com.baeldung.properties.core.ComponentInXmlUsingProperties">
         <constructor-arg value="${key.something}"/>

spring-boot-modules/spring-boot-properties/src/main/resources/database.properties

@@ -1,4 +1,5 @@
-database.url=jdbc:postgresql:/localhost:5432/instance
+
+jdbc.url=jdbc:postgresql:/localhost:5432
 database.username=foo
 database.password=bar
-jdbc.url=jdbc:postgresql:/localhost:5432
+

spring-boot-modules/spring-boot-properties/src/test/java/com/baeldung/properties/multiple/MultiplePropertiesXmlConfigIntegrationTest.java

@@ -6,7 +6,7 @@ import org.springframework.test.context.junit.jupiter.SpringJUnitConfig;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
-@SpringJUnitConfig(locations = "classpath:configForProperties.xml")
+@SpringJUnitConfig(locations = {"classpath:configForProperties.xml", "classpath:configForDbProperties.xml"})
 public class MultiplePropertiesXmlConfigIntegrationTest {
 
     @Value("${key.something}") private String something;