added Interfaces to munchkin example

b767017e · Julian Dehne · f2973259 · b767017e · b767017e · b767017e
Commit b767017e authored 6 years ago by Julian Dehne
--- a/gemeinsamforschen/pom.xml
+++ b/gemeinsamforschen/pom.xml
@@ -8,6 +8,18 @@
    <artifactId>gemeinsamforschen</artifactId>
    <packaging>war</packaging>
    <version>1.0-SNAPSHOT</version>
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>1.6</source>
+                    <target>1.6</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>

    <properties>
        <org.springframework.version>3.2.4.RELEASE</org.springframework.version>

--- a/gemeinsamforschen/src/main/java/unipotsdam/gf/munchkin/IMunschkin.java
+++ b/gemeinsamforschen/src/main/java/unipotsdam/gf/munchkin/IMunschkin.java
+package unipotsdam.gf.munchkin;
+
+import unipotsdam.gf.munchkin.model.Munschkin;
+
+import javax.ws.rs.PathParam;
+
+/**
+ * Created by dehne on 25.04.2018.
+ */
+public interface IMunschkin {
+
+    Munschkin getMunschkin (int id);
+    void letMunchKinFight(Munschkin otherMunchkin);
+}
--- a/gemeinsamforschen/src/main/java/unipotsdam/gf/controller/MunschkinLoader.java
+++ b/gemeinsamforschen/src/main/java/unipotsdam/gf/controller/MunschkinLoader.java
-package unipotsdam.gf.controller;
+package unipotsdam.gf.munchkin.controller;

-import unipotsdam.gf.model.Munschkin;
+import unipotsdam.gf.munchkin.IMunschkin;
+import unipotsdam.gf.munchkin.model.Munschkin;

 import java.sql.*;

 /**
 * Created by dehne on 24.04.2018.
 */
-public class MunschkinLoader {
+public class MunchkinImpl implements IMunschkin {

    static final String JDBC_DRIVER = "com.mysql.jdbc.Driver";
    static final String DB_URL = "jdbc:mysql://localhost";
@@ -17,8 +18,9 @@ public class MunschkinLoader {
    static final String PASS = "voyager2";

    // Es gibt natürlich auch libraries, die den Datenbankzugriff einfacher gestalten. Ziel soll sein, dass alle
-    // die Basics können.
-    public Munschkin loadMunschkin(int id) {
+    // die Basics können. Es ist auch sinnvoll, die Datenbankzugriffe in eine eigene Klasse auszulagern!!
+    @Override
+    public Munschkin getMunschkin(int id) {

        Munschkin munschkin = new Munschkin();

@@ -80,4 +82,9 @@ public class MunschkinLoader {

        return munschkin;
    }
+
+    @Override
+    public void letMunchKinFight(Munschkin otherMunchkin) {
+        // TODO was euer Algorithmus sonst noch so kann
+    }
 }
--- a/gemeinsamforschen/src/main/java/unipotsdam/gf/model/Munschkin.java
+++ b/gemeinsamforschen/src/main/java/unipotsdam/gf/model/Munschkin.java
-package unipotsdam.gf.model;
+package unipotsdam.gf.munchkin.model;

 import javax.xml.bind.annotation.XmlRootElement;


--- a/gemeinsamforschen/src/main/java/unipotsdam/gf/service/RestyMunschkin.java
+++ b/gemeinsamforschen/src/main/java/unipotsdam/gf/service/RestyMunschkin.java
-package unipotsdam.gf.service;
+package unipotsdam.gf.munchkin.service;

 /**
 * Created by dehne on 24.04.2018.
 */

-import unipotsdam.gf.controller.MunschkinLoader;
-import unipotsdam.gf.model.Munschkin;
+import unipotsdam.gf.munchkin.IMunschkin;
+import unipotsdam.gf.munchkin.controller.MunchkinImpl;
+import unipotsdam.gf.munchkin.model.Munschkin;
 import javax.ws.rs.GET;
 import javax.ws.rs.Path;
 import javax.ws.rs.PathParam;
@@ -21,8 +22,8 @@ public class RestyMunschkin {
    @Produces(MediaType.TEXT_HTML)
    @Path("/hello/{id}")
    public String sayHtmlHello(@PathParam("id") String id) {
-        MunschkinLoader munschkinLoader = new MunschkinLoader();
-        Munschkin munschkin = munschkinLoader.loadMunschkin(Integer.parseInt(id));
+        IMunschkin munchkinImpl = new MunchkinImpl();
+        Munschkin munschkin = munchkinImpl.getMunschkin(Integer.parseInt(id));
        return "<html> " + "<title>" + "Hello Munschkin" + "</title>" + "<body><h1>" + munschkin
                .toString() + "</body></h1>" + "</html> ";
    }
@@ -32,8 +33,8 @@ public class RestyMunschkin {
    @Produces(MediaType.APPLICATION_XML)
    @Path("/munschkin/{id}")
    public Munschkin getMunschkin(@PathParam("id") String id) {
-        MunschkinLoader munschkinLoader = new MunschkinLoader();
-        Munschkin munschkin = munschkinLoader.loadMunschkin(Integer.parseInt(id));
+        IMunschkin munchkinImpl = new MunchkinImpl();
+        Munschkin munschkin = munchkinImpl.getMunschkin(Integer.parseInt(id));
        return munschkin;
    }


--- a/gemeinsamforschen/src/test/java/MunschkinLoaderTest.java
+++ b/gemeinsamforschen/src/test/java/MunschkinLoaderTest.java
-import unipotsdam.gf.controller.MunschkinLoader;
-import unipotsdam.gf.model.Munschkin;
+import unipotsdam.gf.munchkin.IMunschkin;
+import unipotsdam.gf.munchkin.controller.MunchkinImpl;
+import unipotsdam.gf.munchkin.model.Munschkin;
 import org.junit.Test;

 /**
@@ -8,8 +9,11 @@ import org.junit.Test;
 public class MunschkinLoaderTest {
    @Test
    public void testMunschKinLoader() {
-        MunschkinLoader m = new MunschkinLoader();
-        Munschkin loadedM = m.loadMunschkin(1);
+        IMunschkin m = new MunchkinImpl();
+        // Nützlich weil: IMunschkin m2 = new HendriksMunchkinImpl();
+
+        // ab hier ist es dem Code egal, welche Implementation hinter dem Interface steht
+        Munschkin loadedM = m.getMunschkin(1);
        assert loadedM != null;
        System.out.print(loadedM.toString());
    }