Sonar fixes

src/main/java/de/kreth/vaadin/clubhelper/vaadinclubhelper/data/Person.java

@@ -35,6 +35,7 @@ public class Person extends BaseEntity implements Serializable {
 	public static final String SESSION_LOGIN = "SESSION_LOGIN_USER";
 
 	public static final String QUERY_FINDALL = "Person.findAll";
+
 	public static final String QUERY_FINDLOGIN = "Person.findLogin";
 
 	private static final long serialVersionUID = -8361264400619997123L;
@@ -42,9 +43,11 @@ public class Person extends BaseEntity implements Serializable {
 	private LocalDate birth;
 
 	private String prename;
+
 	private String surname;
 
 	private String username;
+
 	private String password;
 
 	private Integer gender;
@@ -131,7 +134,8 @@ public class Person extends BaseEntity implements Serializable {
 	public void setGender(Gender gender) {
 		if (gender == null) {
 			this.gender = null;
-		} else {
+		}
+		else {
 			this.gender = gender.getId();
 		}
 	}
@@ -252,7 +256,8 @@ public class Person extends BaseEntity implements Serializable {
 	public void setPersongroups(Collection<GroupDef> persongroups) {
 		if (persongroups instanceof Set) {
 			this.groups = (Set<GroupDef>) persongroups;
-		} else {
+		}
+		else {
 			this.groups = new HashSet<>(persongroups);
 		}
 	}
@@ -265,7 +270,7 @@ public class Person extends BaseEntity implements Serializable {
 	}
 
 	public void removePersongroup(GroupDef persongroup) {
-		if (this.groups == null) {
+		if (this.groups != null) {
 			this.groups.remove(persongroup);
 		}
 	}
@@ -362,42 +367,48 @@ public class Person extends BaseEntity implements Serializable {
 			if (other.birth != null) {
 				return false;
 			}
-		} else if (!birth.equals(other.birth)) {
+		}
+		else if (!birth.equals(other.birth)) {
 			return false;
 		}
 		if (groups == null) {
 			if (other.groups != null) {
 				return false;
 			}
-		} else if (!groups.equals(other.groups)) {
+		}
+		else if (!groups.equals(other.groups)) {
 			return false;
 		}
 		if (password == null) {
 			if (other.password != null) {
 				return false;
 			}
-		} else if (!password.equals(other.password)) {
+		}
+		else if (!password.equals(other.password)) {
 			return false;
 		}
 		if (prename == null) {
 			if (other.prename != null) {
 				return false;
 			}
-		} else if (!prename.equals(other.prename)) {
+		}
+		else if (!prename.equals(other.prename)) {
 			return false;
 		}
 		if (surname == null) {
 			if (other.surname != null) {
 				return false;
 			}
-		} else if (!surname.equals(other.surname)) {
+		}
+		else if (!surname.equals(other.surname)) {
 			return false;
 		}
 		if (username == null) {
 			if (other.username != null) {
 				return false;
 			}
-		} else if (!username.equals(other.username)) {
+		}
+		else if (!username.equals(other.username)) {
 			return false;
 		}
 		return true;

src/main/java/de/kreth/vaadin/clubhelper/vaadinclubhelper/ui/navigation/HeadView.java

@@ -233,7 +233,7 @@ public class HeadView extends HorizontalLayout {
 
 	private AbstractComponent createEmbedded(String title, JasperPrint print) throws IOException {
 
-		PipedInputStream in = new PipedInputStream();
+		final PipedInputStream in = new PipedInputStream();
 		final PipedOutputStream out = new PipedOutputStream(in);
 
 		final StreamResource resource = new StreamResource(() -> in, title);
@@ -243,23 +243,28 @@ public class HeadView extends HorizontalLayout {
 		c.setSizeFull();
 
 		ExecutorService exec = Executors.newSingleThreadExecutor();
+		try {
 			exec.execute(() -> {
 				try {
 					JasperExportManager.exportReportToPdfStream(print, out);
 				}
 				catch (JRException e) {
-				log.error("Error on Export to Pdf.", e);
+					throw new RuntimeException("Error on Export to Pdf.", e);
-				throw new RuntimeException(e);
+				}
+				finally {
+				}
+			});
 		}
 		finally {
 			try {
 				out.close();
+				in.close();
 			}
 			catch (IOException e) {
 				log.warn("Error closing Jasper output stream.", e);
 			}
+
 		}
-		});
 		exec.shutdown();
 		return c;
 	}