added attribute's description

src/main/java/fr/packageviewer/distribution/ArchDistribution.java

@@ -24,6 +24,9 @@ import org.json.*;
  */
 public class ArchDistribution extends AsyncRequestsParser implements Distribution {
 
+    /**
+    * Logger object used to split debug output and the application output
+    */
     private static final Logger logger = LoggerManager.getLogger("ArchDistribution");
 
     /**
@@ -34,7 +37,6 @@ public class ArchDistribution extends AsyncRequestsParser implements Distributio
      * @param packageName String, The package's exact name
      * @return Pair of Package and Set of String
      */
-
     @Override
     public CompletableFuture<Pair<Package, Set<String>>> getPackageFromAPI(String packageName) {
         // create a new http client

src/main/java/fr/packageviewer/distribution/Distribution.java

@@ -7,7 +7,21 @@ import java.util.List;
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.Future;
 
+/**
+ * This interface specifies the methods needed by a distribtion to be parsable.
+ * 
+ * @author R.Thomas 
+ * @version 1.0 
+ */
 public interface Distribution {
+	/**
+     * Search for a package matching a pattern and return a list of packages and
+     * return a list of string matching this pattern.
+     * 
+     * @param packageName String, the pattern to search in the repositories
+     * @return List of SearchedPackage objects
+     */
 	Future<List<SearchedPackage>> searchPackage(String packageName);
+	
 	Future<Package> getPackageTree(String packageName, int depth);
 }

src/main/java/fr/packageviewer/parser/AsyncRequestsParser.java

@@ -11,12 +11,34 @@ import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.ExecutionException;
 import java.util.logging.Logger;
 
+/**
+ * This abstract class defines the method that a distribution will use
+ * in order to get a package and fill its dependency list. It does all that 
+ * in an asyncron manner
+ * 
+ * @author R.Thomas
+ * @version 1.0
+ * 
+ */
 public abstract class AsyncRequestsParser {
-
+	/**
+    * Logger object used to split debug output and the application output
+    */
 	private static final Logger logger = LoggerManager.getLogger("AsyncRequestsParser");
 
+	/**
+     * This function return a package from the distribution's api in the form 
+	 * of a Pair Composed of a Package object, and a set of string containing 
+	 * the names of the dependecies of the package.
+     * 
+     * @param packageName String, The package's exact name
+     * @return Pair of Package and Set of String
+     */
 	protected abstract CompletableFuture<Pair<Package, Set<String>>> getPackageFromAPI(String name);
 
+	/**
+	 * 
+	 */
 	public CompletableFuture<Package> getPackageTree(String packageName, int depth) {
 		// parse the json
 		var futurePackage = new CompletableFuture<Package>();