new function to get a package and its dependencies

src/main/java/fr/packageviewer/Searcher.java

@@ -8,6 +8,7 @@ import fr.packageviewer.distribution.ArchDistribution;
 import fr.packageviewer.distribution.Distribution;
 import fr.packageviewer.distribution.FedoraDistribution;
 import fr.packageviewer.pack.SearchedPackage;
+import fr.packageviewer.pack.Package;
 
 public class Searcher {
     public static List<SearchedPackage> searchForAll(String packet) {
@@ -74,4 +75,40 @@ public class Searcher {
 		}
 		return result;
 	}
+
+	/**
+	 * Search for the specific package in the specific distribution, we need the searchedPackage to get informations about it like it name and distribution
+	 * @param pSearchedPackage the package to search for
+	 * @return a complete package with its dependencies
+	 * @author Capelier-Marla
+	 */
+	public static Package getPackage(SearchedPackage pSearchedPackage) {
+		// we get the name of the distribution of the package
+		String distName = pSearchedPackage.getDistribution();
+		// we create a distribution object
+		Distribution distribution;
+		switch (distName) {
+			case "archlinux":
+				distribution = new ArchDistribution();
+				break;
+			case "fedora":
+				distribution = new FedoraDistribution();
+				break;
+			default:
+				System.out.println("Error: Unknown");
+				System.exit(1);
+				return null;
+		}
+		// create the futue package we'll get from searching
+		Future<Package> packet = distribution.getPackageTree(pSearchedPackage.getName(), 4);
+		// object containing the package we're looking for
+		Package result;
+		try {
+			result = packet.get();
+		} catch (Exception e) {
+			return null;
+		}
+		// return the package
+		return result;
+	}
 }