5: Create DescriptionProvider

src/main/java/com/bartek/esa/core/desc/provider/DescriptionProvider.java

@@ -0,0 +1,24 @@
+package com.bartek.esa.core.desc.provider;
+
+import com.bartek.esa.error.EsaException;
+import io.vavr.control.Try;
+
+import javax.inject.Inject;
+import java.util.Optional;
+import java.util.Properties;
+
+public class DescriptionProvider {
+    private static final String DESCRIPTION_FILE = "description.properties";
+    private final Properties properties = new Properties();
+
+    @Inject
+    public DescriptionProvider() {
+        Optional.ofNullable(DescriptionProvider.class.getClassLoader().getResourceAsStream(DESCRIPTION_FILE))
+                .ifPresent(p -> Try.run(() -> properties.load(p)).getOrElseThrow(EsaException::new));
+    }
+
+    public String getDescriptionForClass(Class<?> clazz) {
+        String clazzCanonicalName = properties.getProperty(clazz.getCanonicalName());
+        return clazzCanonicalName != null ? clazzCanonicalName : "No description provided.";
+    }
+}

src/main/java/com/bartek/esa/core/di/CoreModule.java

@@ -1,5 +1,6 @@
 package com.bartek.esa.core.di;
 
+import com.bartek.esa.core.desc.provider.DescriptionProvider;
 import com.bartek.esa.core.executor.PluginExecutor;
 import com.bartek.esa.core.java.JavaSyntaxRegexProvider;
 import dagger.Module;
@@ -17,4 +18,9 @@ public class CoreModule {
     public JavaSyntaxRegexProvider javaSyntaxRegexProvider() {
         return new JavaSyntaxRegexProvider();
     }
+
+    @Provides
+    public DescriptionProvider descriptionProvider() {
+        return new DescriptionProvider();
+    }
 }