Allow import in modularized projects

.travis.yml

@@ -1,3 +1,3 @@
 language: java
 jdk:
-  - oraclejdk8
+  - oraclejdk13

pom.xml

@@ -1,11 +1,12 @@
 <?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">
+<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.profesorfalken</groupId>
     <artifactId>jPowerShell</artifactId>
     <version>3.1.1</version>
     <packaging>jar</packaging>
-    
+
     <name>jPowerShell</name>
     <description>API to use PowerShell from Java</description>
     <url>https://github.com/profesorfalken/jPowerShell</url>
@@ -17,7 +18,7 @@
             <distribution>repo</distribution>
         </license>
     </licenses>
-    
+
     <developers>
         <developer>
             <name>Javier Garcia Alonso</name>
@@ -26,11 +27,11 @@
             <organizationUrl>http://www.profesorfalken.com</organizationUrl>
         </developer>
     </developers>
-    
+
     <scm>
         <url>https://github.com/profesorfalken/jPowerShell.git</url>
     </scm>
-    
+
     <distributionManagement>
         <snapshotRepository>
             <id>ossrh</id>
@@ -41,7 +42,20 @@
             <url>https://oss.sonatype.org/service/local/staging/deploy/maven2/</url>
         </repository>
     </distributionManagement>
-
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>${maven.compiler.source}</source>
+                    <target>${maven.compiler.target}</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
     <profiles>
         <profile>
             <id>release-profile</id>
@@ -68,8 +82,8 @@
                                 <phase>verify</phase>
                                 <goals>
                                     <goal>sign</goal>
-                                </goals>                                      
-                            </execution>                            
+                                </goals>
+                            </execution>
                         </executions>
                     </plugin>
                 </plugins>
@@ -105,8 +119,8 @@
                 </plugins>
             </build>
         </profile>
-    </profiles>    
-    
+    </profiles>
+
     <dependencies>
         <dependency>
             <groupId>junit</groupId>
@@ -117,8 +131,8 @@
     </dependencies>
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <maven.compiler.source>1.8</maven.compiler.source>
-        <maven.compiler.target>1.8</maven.compiler.target>
-        <sonar.java.source>1.8</sonar.java.source>
+        <maven.compiler.source>13</maven.compiler.source>
+        <maven.compiler.target>13</maven.compiler.target>
+        <sonar.java.source>13</sonar.java.source>
     </properties>
 </project>

src/main/java/module-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2016-2019 Javier Garcia Alonso.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+module com.profesorfalken.jPowerShell {
+    requires java.logging;
+
+    exports com.profesorfalken.jpowershell;
+}