refactor the project into a multi module structure

Author: pschichtel

core/pom.xml

@@ -0,0 +1,51 @@
+<?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>
+        <groupId>tel.schich</groupId>
+        <artifactId>javacan</artifactId>
+        <version>3.0.0-SNAPSHOT</version>
+    </parent>
+
+    <artifactId>javacan-core</artifactId>
+
+    <dependencies>
+        <dependency>
+            <groupId>tel.schich</groupId>
+            <artifactId>jni-access-generator</artifactId>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.8.0</version>
+                <configuration>
+                    <source>1.8</source>
+                    <target>1.8</target>
+                    <optimize>true</optimize>
+                    <showWarnings>true</showWarnings>
+                    <showDeprecation>true</showDeprecation>
+                </configuration>
+                <executions>
+                    <execution>
+                        <id>default-compile</id>
+                        <configuration>
+                            <compilerArgs>
+                                <compilerArg>-Agenerate.jni.headers=true</compilerArg>
+                                <compilerArg>-Aoutput.location=${headers.target}</compilerArg>
+                            </compilerArgs>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <groupId>org.codehaus.mojo</groupId>
+                <artifactId>exec-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+</project>