Refactor: don't reuse JAXB objects for internal configuration; create a Configuration interface.

src/main/java/de/kosit/validationtool/api/Configuration.java

@@ -0,0 +1,59 @@
+package de.kosit.validationtool.api;
+
+import java.net.URI;
+import java.util.List;
+
+import de.kosit.validationtool.config.ConfigurationBuilder;
+import de.kosit.validationtool.config.LoadConfiguration;
+import de.kosit.validationtool.impl.ContentRepository;
+import de.kosit.validationtool.impl.Scenario;
+
+import net.sf.saxon.s9api.Processor;
+
+/**
+ * Configuration of the actual {@link Check} instance. This is a contruct and can be used implemented by custom
+ * configuration classes. There are two implementations supported out of the box:
+ * 
+ * <ol>
+ * <li>{@link LoadConfiguration} implements loading {@link Check} configurations from a scenario.xml file</li>
+ * <li>Using a builder style api {@link de.kosit.validationtool.config.ConfigurationBuilder}to configure the
+ * {@link Check}</li>
+ * </ol>
+ * 
+ * Both methods can be used via convinience methods. See below.
+ * 
+ * @author Andreas Penski
+ */
+
+public interface Configuration {
+
+    List<Scenario> getScenarios();
+
+    static LoadConfiguration load(final URI scenarioDefinition) {
+        return load(scenarioDefinition, null);
+    }
+
+    static LoadConfiguration load(final URI scenarioDefinition, final URI repository) {
+        final LoadConfiguration config = new LoadConfiguration(scenarioDefinition, repository);
+        config.build();
+        return config;
+    }
+
+    static ConfigurationBuilder create() {
+        return new ConfigurationBuilder();
+    }
+
+    Scenario getFallbackScenario();
+
+    void build();
+
+    String getAuthor();
+
+    String getName();
+
+    String getDate();
+
+    Processor getProcessor();
+
+    ContentRepository getContentRepository();
+}