DRY violation in the branches and sections adding/editing code.

    public void editSection(final String name, final String description) {

        final Section section = (Section) this.currentSectionTreeComponent.getSelectedObject();

        String errorLabel = validateSection(name, description);
        if (errorLabel != null) {
            sectionView.openErrorPopupInEditSectionDialog(errorLabel);
            return;
        }

        DialogManager dm = new DialogManagerImpl();
        dm.confirmEdition(name, new DialogManager.Performable() {

            @Override
            public void execute() {
                section.setName(name);
                section.setDescription(description);
                try {
                    sectionService.saveSection(section);
                } catch (NotUniqueException e) {
                    Logger.getLogger(BranchPresenter.class.getName()).log(Level.SEVERE, null, e);
                    sectionView.openErrorPopupInEditSectionDialog("sections.error.exeption_during_saving_process");
                }
                // its not necessary here because of section was transferred as
                // a reference
                SectionPresenter.this.currentSectionTreeComponent.updateSectionInView(section);
                sectionView.closeEditSectionDialog();
            }
        });
        sectionView.closeEditSectionDialog();

    public void addNewSection(final String name, final String description) {
        // final String name = sectionView.getNewSectionName();
        // final String description = sectionView.getNewSectionDescription();

        String errorLabel = validateSection(name, description);
        if (errorLabel != null) {
            sectionView.openErrorPopupInNewSectionDialog(errorLabel);
            return;
        }

        DialogManager dm = new DialogManagerImpl();
        dm.confirmCreation(name, new DialogManager.Performable() {
            @Override
            public void execute() {
                Section section = new Section();
                section.setName(name);
                section.setDescription(description);
                try {
                    sectionService.saveSection(section);
                } catch (NotUniqueException e) {
                    Logger.getLogger(BranchPresenter.class.getName()).log(Level.SEVERE, null, e);
                    sectionView.openErrorPopupInNewSectionDialog("sections.error.exeption_during_saving_process");
                }
                sectionView.showSection(section);
                sectionView.closeNewSectionDialog();
            }
        });

    }