fist init

pom.xml

@@ -0,0 +1,68 @@
+<?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>eu.papenhagen</groupId>
+    <artifactId>jniplay</artifactId>
+    <version>1.0-SNAPSHOT</version>
+    <packaging>jar</packaging>
+    <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>
+    </properties>
+    <dependencyManagement> 
+        <dependencies>
+            <!--logging-->
+            <dependency>
+                <groupId>org.slf4j</groupId>
+                <artifactId>slf4j-api</artifactId>
+                <version>1.7.25</version>
+            </dependency>
+        </dependencies>
+    </dependencyManagement> 
+
+    <dependencies>
+
+
+    </dependencies>   
+
+    <build>
+
+    </build>
+    <profiles>
+        <profile>
+            <id>rebuild-headerfile</id>
+            <build>
+                <plugins>
+                    <plugin>
+                        <groupId>org.apache.maven.plugins</groupId>
+                        <artifactId>maven-antrun-plugin</artifactId>
+                        <version>1.8</version>
+                        <executions>
+                            <execution>
+                                <phase>process-classes</phase>
+                                <goals>
+                                    <goal>run</goal>
+                                </goals>
+                                <configuration>
+                                    <exportAntProperties>true</exportAntProperties>
+                                    <target>
+                                        <property name="runtime_classpath" refid="maven.compile.classpath"/>
+                                        <exec executable="javah">
+                                            <arg value="-cp"/>
+                                            <arg value="${runtime_classpath}"/>
+                                            <arg value="-d"/>
+                                            <arg value="${project.build.directory}/jni"/>
+                                            <arg value="eu.papenhagen.jniplay.MainApp"/>
+                                        </exec>
+                                    </target>
+                                </configuration>
+                            </execution>
+                        </executions>
+                    </plugin>
+                </plugins>
+            </build>
+        </profile>
+    </profiles>   
+
+</project>

src/main/cpp/eu_papenhagen_jniplay_MainApp.cpp

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+#include "eu_papenhagen_jniplay_MainApp.h"
+#include <iostream>
+
+JNIEXPORT void JNICALL Java_eu_papenhagen_jniplay_MainApp_output (JNIEnv *env, jclass cls){
+	std::cout << "Output form C++" <<std:endl;
+}

src/main/java/eu/papenhagen/jniplay/MainApp.java

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+package eu.papenhagen.jniplay;
+
+/**
+ * playing with JNI
+ *
+ * @author jens.papenhagen
+ */
+public class MainApp {
+
+    public static void main(String[] args) {
+        output();
+    }
+
+    public static native void output();
+
+}