From 05f7dc662a9b6a896cc8f52424febd75f2895591 Mon Sep 17 00:00:00 2001
From: alejandrogervasio <alejandro.gervasio@gmail.com>
Date: Thu, 16 May 2019 20:40:38 -0300
Subject: [PATCH] Initial Commit

---
 .../consumermodule/pom.xml                    | 38 +++++++++++++++++++
 .../baeldung/consumermodule/Application.java  | 15 ++++++++
 .../src/main/java/module-info.java            |  4 ++
 .../decoupling-pattern2/pom.xml               | 34 +++++++++++++++++
 .../providermodule/pom.xml                    | 34 +++++++++++++++++
 .../providermodule/LowercaseTextService.java  | 10 +++++
 .../src/main/java/module-info.java            |  4 ++
 .../decoupling-pattern2/servicemodule/pom.xml | 25 ++++++++++++
 .../baeldung/servicemodule/TextService.java   |  6 +++
 .../src/main/java/module-info.java            |  3 ++
 10 files changed, 173 insertions(+)
 create mode 100644 core-java-modules/core-java-jpms/decoupling-pattern2/consumermodule/pom.xml
 create mode 100644 core-java-modules/core-java-jpms/decoupling-pattern2/consumermodule/src/main/java/com/baeldung/consumermodule/Application.java
 create mode 100644 core-java-modules/core-java-jpms/decoupling-pattern2/consumermodule/src/main/java/module-info.java
 create mode 100644 core-java-modules/core-java-jpms/decoupling-pattern2/pom.xml
 create mode 100644 core-java-modules/core-java-jpms/decoupling-pattern2/providermodule/pom.xml
 create mode 100644 core-java-modules/core-java-jpms/decoupling-pattern2/providermodule/src/main/java/com/baeldung/providermodule/LowercaseTextService.java
 create mode 100644 core-java-modules/core-java-jpms/decoupling-pattern2/providermodule/src/main/java/module-info.java
 create mode 100644 core-java-modules/core-java-jpms/decoupling-pattern2/servicemodule/pom.xml
 create mode 100644 core-java-modules/core-java-jpms/decoupling-pattern2/servicemodule/src/main/java/com/baeldung/servicemodule/TextService.java
 create mode 100644 core-java-modules/core-java-jpms/decoupling-pattern2/servicemodule/src/main/java/module-info.java

diff --git a/core-java-modules/core-java-jpms/decoupling-pattern2/consumermodule/pom.xml b/core-java-modules/core-java-jpms/decoupling-pattern2/consumermodule/pom.xml
new file mode 100644
index 0000000000..828fe7de6a
--- /dev/null
+++ b/core-java-modules/core-java-jpms/decoupling-pattern2/consumermodule/pom.xml
@@ -0,0 +1,38 @@
+<?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/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>com.baeldung.decoupling-pattern2</artifactId>
+        <groupId>decoupling-pattern2</groupId>
+        <version>1.0-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>com.baeldung.consumermodule</groupId>
+    <artifactId>consumermodule</artifactId>
+    <version>1.0</version>
+
+    <dependencies>
+        <dependency>
+            <groupId>com.baeldung.servicemodule</groupId>
+            <artifactId>servicemodule</artifactId>
+            <version>1.0</version>
+        </dependency>
+        <dependency>
+            <groupId>com.baeldung.providermodule</groupId>
+            <artifactId>providermodule</artifactId>
+            <version>1.0</version>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>
\ No newline at end of file
diff --git a/core-java-modules/core-java-jpms/decoupling-pattern2/consumermodule/src/main/java/com/baeldung/consumermodule/Application.java b/core-java-modules/core-java-jpms/decoupling-pattern2/consumermodule/src/main/java/com/baeldung/consumermodule/Application.java
new file mode 100644
index 0000000000..b9430eb458
--- /dev/null
+++ b/core-java-modules/core-java-jpms/decoupling-pattern2/consumermodule/src/main/java/com/baeldung/consumermodule/Application.java
@@ -0,0 +1,15 @@
+package com.baeldung.consumermodule;
+
+import com.baeldung.servicemodule.TextService;
+
+import java.util.ServiceLoader;
+
+public class Application {
+
+    public static void main(String[] args) {
+        ServiceLoader<TextService> services = ServiceLoader.load(TextService.class);
+        for (final TextService service: services) {
+            System.out.println("The service " + service.getClass().getSimpleName() + " says: " + service.parseText("Hello from Baeldung!"));
+        }
+    }
+}
diff --git a/core-java-modules/core-java-jpms/decoupling-pattern2/consumermodule/src/main/java/module-info.java b/core-java-modules/core-java-jpms/decoupling-pattern2/consumermodule/src/main/java/module-info.java
new file mode 100644
index 0000000000..d8438a7bbc
--- /dev/null
+++ b/core-java-modules/core-java-jpms/decoupling-pattern2/consumermodule/src/main/java/module-info.java
@@ -0,0 +1,4 @@
+module com.baeldung.consumermodule {
+    requires com.baeldung.servicemodule;
+    uses com.baeldung.servicemodule.TextService;
+}
diff --git a/core-java-modules/core-java-jpms/decoupling-pattern2/pom.xml b/core-java-modules/core-java-jpms/decoupling-pattern2/pom.xml
new file mode 100644
index 0000000000..f8c05d40b8
--- /dev/null
+++ b/core-java-modules/core-java-jpms/decoupling-pattern2/pom.xml
@@ -0,0 +1,34 @@
+<?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/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>com.baeldung.decoupling-pattern2</groupId>
+    <artifactId>decoupling-pattern2</artifactId>
+    <version>1.0-SNAPSHOT</version>
+    <packaging>pom</packaging>
+
+    <modules>
+        <module>servicemodule</module>
+        <module>providermodule</module>
+        <module>consumermodule</module>
+    </modules>
+
+    <build>
+        <pluginManagement>
+            <plugins>
+                <plugin>
+                    <groupId>org.apache.maven.plugins</groupId>
+                    <artifactId>maven-compiler-plugin</artifactId>
+                    <version>3.8.0</version>
+                    <configuration>
+                        <source>11</source>
+                        <target>11</target>
+                    </configuration>
+                </plugin>
+            </plugins>
+        </pluginManagement>
+    </build>
+
+</project>
\ No newline at end of file
diff --git a/core-java-modules/core-java-jpms/decoupling-pattern2/providermodule/pom.xml b/core-java-modules/core-java-jpms/decoupling-pattern2/providermodule/pom.xml
new file mode 100644
index 0000000000..ceeda9049c
--- /dev/null
+++ b/core-java-modules/core-java-jpms/decoupling-pattern2/providermodule/pom.xml
@@ -0,0 +1,34 @@
+<?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/xsd/maven-4.0.0.xsd">
+
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>com.baeldung.providermodule</groupId>
+    <artifactId>providermodule</artifactId>
+    <version>1.0</version>
+
+    <parent>
+        <artifactId>com.baeldung.decoupling-pattern2</artifactId>
+        <groupId>decoupling-pattern2</groupId>
+        <version>1.0-SNAPSHOT</version>
+    </parent>
+
+    <dependencies>
+        <dependency>
+            <groupId>com.baeldung.servicemodule</groupId>
+            <artifactId>servicemodule</artifactId>
+            <version>1.0</version>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>
\ No newline at end of file
diff --git a/core-java-modules/core-java-jpms/decoupling-pattern2/providermodule/src/main/java/com/baeldung/providermodule/LowercaseTextService.java b/core-java-modules/core-java-jpms/decoupling-pattern2/providermodule/src/main/java/com/baeldung/providermodule/LowercaseTextService.java
new file mode 100644
index 0000000000..51e742e641
--- /dev/null
+++ b/core-java-modules/core-java-jpms/decoupling-pattern2/providermodule/src/main/java/com/baeldung/providermodule/LowercaseTextService.java
@@ -0,0 +1,10 @@
+package com.baeldung.providermodule;
+
+import com.baeldung.servicemodule.TextService;
+
+public class LowercaseTextService implements TextService {
+    @Override
+    public String parseText(String text) {
+        return text.toLowerCase();
+    }
+}
diff --git a/core-java-modules/core-java-jpms/decoupling-pattern2/providermodule/src/main/java/module-info.java b/core-java-modules/core-java-jpms/decoupling-pattern2/providermodule/src/main/java/module-info.java
new file mode 100644
index 0000000000..1223aa0121
--- /dev/null
+++ b/core-java-modules/core-java-jpms/decoupling-pattern2/providermodule/src/main/java/module-info.java
@@ -0,0 +1,4 @@
+module com.baeldung.providermodule {
+    requires com.baeldung.servicemodule;
+    provides com.baeldung.servicemodule.TextService with com.baeldung.providermodule.LowercaseTextService;
+}
\ No newline at end of file
diff --git a/core-java-modules/core-java-jpms/decoupling-pattern2/servicemodule/pom.xml b/core-java-modules/core-java-jpms/decoupling-pattern2/servicemodule/pom.xml
new file mode 100644
index 0000000000..4de3df8c01
--- /dev/null
+++ b/core-java-modules/core-java-jpms/decoupling-pattern2/servicemodule/pom.xml
@@ -0,0 +1,25 @@
+<?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/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <artifactId>>com.baeldung.decoupling-pattern2</artifactId>
+        <groupId>decoupling-pattern2</groupId>
+        <version>1.0-SNAPSHOT</version>
+    </parent>
+
+    <groupId>com.baeldung.servicemodule</groupId>
+    <artifactId>servicemodule</artifactId>
+    <version>1.0</version>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>
\ No newline at end of file
diff --git a/core-java-modules/core-java-jpms/decoupling-pattern2/servicemodule/src/main/java/com/baeldung/servicemodule/TextService.java b/core-java-modules/core-java-jpms/decoupling-pattern2/servicemodule/src/main/java/com/baeldung/servicemodule/TextService.java
new file mode 100644
index 0000000000..dedbd774ca
--- /dev/null
+++ b/core-java-modules/core-java-jpms/decoupling-pattern2/servicemodule/src/main/java/com/baeldung/servicemodule/TextService.java
@@ -0,0 +1,6 @@
+package com.baeldung.servicemodule;
+
+public interface TextService {
+
+    String parseText(String text);
+}
diff --git a/core-java-modules/core-java-jpms/decoupling-pattern2/servicemodule/src/main/java/module-info.java b/core-java-modules/core-java-jpms/decoupling-pattern2/servicemodule/src/main/java/module-info.java
new file mode 100644
index 0000000000..dbd70b944b
--- /dev/null
+++ b/core-java-modules/core-java-jpms/decoupling-pattern2/servicemodule/src/main/java/module-info.java
@@ -0,0 +1,3 @@
+module com.baeldung.servicemodule {
+    exports com.baeldung.servicemodule;
+}
\ No newline at end of file