restructuring DALI to a multi module maven project

.gitignore

@@ -0,0 +1,12 @@
+#IDEA project files
+*.iml
+*.ipr
+*.iws
+
+#Logfiles
+*.log*
+
+#build files
+similarity/target/
+optimization/target/
+webservice/target/

html/js/main.js

@@ -11,6 +11,7 @@ requirejs.config({
 });
 
 require(['jquery', 'bootstrap', 'dot', 'spinner'], function(_$, _bootstrap, doT, $) {
+    //var queryEndpoint = "http://localhost:5555/getdatasets",
     var queryEndpoint = "http://139.18.2.164:5555/getdatasets",
         // cache dom pointers
         $goBtn = $("#goBtn"),

optimization/extensions/pom.xml

@@ -0,0 +1,129 @@
+<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>
+
+    <properties>
+        <groovy.version>2.1.5</groovy.version>
+    </properties>
+
+    <artifactId>dali-opt-extensions</artifactId>
+    <packaging>jar</packaging>
+
+    <parent>
+        <groupId>aksw.org</groupId>
+        <artifactId>dali</artifactId>
+        <version>1.0-SNAPSHOT</version>
+        <relativePath>../..</relativePath>
+    </parent>
+
+    <name>Dali-Optimization (extensions)</name>
+    <url>http://maven.apache.org</url>
+
+    <dependencies>
+        <dependency>
+            <groupId>aksw.org</groupId>
+            <artifactId>dali-sim</artifactId>
+        </dependency>
+        <!-- groovy will be added to the final jar artifact to shade the ASM 4 library (it is conflicting with
+             ASM 3 dependency of com.sun.jersey:jersey-server:1.16 -->
+        <dependency>
+            <groupId>org.codehaus.groovy</groupId>
+            <artifactId>groovy</artifactId>
+            <optional>true</optional>
+        </dependency>
+        <!-- a groovy dependency that doesn't have to be shaded -> so carry it on for dep. resolution -->
+        <dependency>
+            <groupId>antlr</groupId>
+            <artifactId>antlr</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>com.google.guava</groupId>
+            <artifactId>guava</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.codehaus.gpars</groupId>
+            <artifactId>gpars</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.neodatis.odb</groupId>
+            <artifactId>neodatis-odb</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.codehaus.groovy</groupId>
+            <artifactId>groovy-test</artifactId>
+            <scope>test</scope>
+            <optional>true</optional>
+        </dependency>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.1</version>
+                <configuration>
+                    <compilerId>groovy-eclipse-compiler</compilerId>
+                </configuration>
+                <dependencies>
+                    <dependency>
+                        <groupId>org.codehaus.groovy</groupId>
+                        <artifactId>groovy-eclipse-compiler</artifactId>
+                        <version>2.8.0-01</version>
+                    </dependency>
+                    <dependency>
+                        <groupId>org.codehaus.groovy</groupId>
+                        <artifactId>groovy-eclipse-batch</artifactId>
+                        <version>2.1.5-03</version>
+                    </dependency>
+                </dependencies>
+            </plugin>
+            <plugin>
+                <groupId>org.codehaus.groovy</groupId>
+                <artifactId>groovy-eclipse-compiler</artifactId>
+                <version>2.8.0-01</version>
+                <extensions>true</extensions>  <!-- ensures compilation of src/*/groovy -->
+            </plugin>
+<!--
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-shade-plugin</artifactId>
+                <version>2.1</version>
+                <executions>
+                    <execution>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>shade</goal>
+                        </goals>
+                        <configuration>
+                            <artifactSet>
+                                <includes>
+                                    <include>org.codehaus.groovy:*</include>
+                                    <inclue>org.ow2.asm:*</inclue>
+                                </includes>
+                                <excludes>
+                                    <exclude>antlr:antlr</exclude>
+                                </excludes>
+                            </artifactSet>
+                            <relocations>
+                                <relocation>
+                                    <pattern>org.objectweb.asm</pattern>
+                                    <shadedPattern>org.objectweb.asm4.shaded</shadedPattern>
+                                </relocation>
+                            </relocations>
+                            <minimizeJar>true</minimizeJar>
+                            <dependencyReducedPomLocation>
+                                ${project.build.directory}/dependency-reduced-pom.xml
+                            </dependencyReducedPomLocation>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+-->
+        </plugins>
+    </build>
+</project>

optimization/extensions/src/main/groovy/extensions/Extensions.groovy

@@ -0,0 +1,70 @@
+package extensions
+
+import groovy.transform.TypeChecked
+import org.w3c.dom.Element
+
+@TypeChecked
+class Extensions {
+
+    static <K, V> V getWithDefault(Map<K, V> self, K key, Closure<V> defaultProvider) {
+        def value = self.get(key)
+
+        if (value == null && !(key in self)) {
+            if (defaultProvider.maximumNumberOfParameters > 1)
+                throw new IllegalArgumentException()
+            if (defaultProvider.maximumNumberOfParameters == 1 && K.class.isCase(defaultProvider.parameterTypes[0])) {
+                value = defaultProvider.call(key)
+            } else {
+                value = defaultProvider.call()
+            }
+            self.put(key, value)
+        }
+        return value
+    }
+
+    static <K,V> HashMap<K,V> filterByKeys(Map<K, V> self, Collection<K> keys) {
+        def ret = new HashMap<K,V>(keys.size())
+        self.entrySet().each { Map.Entry<K,V> e ->
+            if(e.key in keys) ret.put(e.key, e.value)
+        }
+        return ret
+    }
+
+    static <K,V,T> HashMap<K,T> convertValues(Map<K, V> self, Closure<T> converter) {
+        def ret = new HashMap<K,T>(self.size())
+        self.entrySet().each { Map.Entry<K,V> e ->
+            ret.put(e.key, (T) converter.call(e.value))
+        }
+        return ret
+    }
+
+    static Map<String,String> getAttributeMap(Element self) {
+        def attr = self.attributes
+        def ret = new HashMap<String,String>()
+        for(i in 0..<attr.length) {
+            def a = attr.item(i)
+            ret.put(a.nodeName, a.nodeValue)
+        }
+        (Map<String,String>) ret
+    }
+
+    /*static ImmutableList<String> tokenize(String self, String delim) {
+        def tokenizer = new StringTokenizer(self, delim)
+        def tokens = new LinkedList<String>()
+        while(tokenizer.hasMoreTokens()) tokens.add(tokenizer.nextToken())
+        return ImmutableList.copyOf(tokens)
+    }*/
+
+    // compilation fails: unable to resolve class T
+    /*static <T> Iterable<T> makeIterable(Iterator<T> self) {
+        final Iterator<T> selfVar = self
+
+        return new Iterable<T>() {
+
+            @Override
+            Iterator<T> iterator() {
+                return selfVar
+            }
+        }
+    }*/
+}