diff options
Diffstat (limited to 'src/main/java/sevenUnitsGUI/Presenter.java')
| -rw-r--r-- | src/main/java/sevenUnitsGUI/Presenter.java | 30 |
1 files changed, 26 insertions, 4 deletions
diff --git a/src/main/java/sevenUnitsGUI/Presenter.java b/src/main/java/sevenUnitsGUI/Presenter.java index 68f0fcb..4ff2d65 100644 --- a/src/main/java/sevenUnitsGUI/Presenter.java +++ b/src/main/java/sevenUnitsGUI/Presenter.java @@ -40,6 +40,7 @@ import sevenUnits.unit.BaseUnit; import sevenUnits.unit.BritishImperial; import sevenUnits.unit.LinearUnit; import sevenUnits.unit.LinearUnitValue; +import sevenUnits.unit.LoadingException; import sevenUnits.unit.Metric; import sevenUnits.unit.Unit; import sevenUnits.unit.UnitDatabase; @@ -311,7 +312,7 @@ public final class Presenter { // load units and prefixes try (final InputStream units = inputStream(DEFAULT_UNITS_FILEPATH)) { - this.database.loadUnitsFromStream(units); + this.handleLoadErrors(this.database.loadUnitsFromStream(units)); } catch (final IOException e) { throw new AssertionError("Loading of unitsfile.txt failed.", e); } @@ -319,7 +320,8 @@ public final class Presenter { // load dimensions try (final InputStream dimensions = inputStream( DEFAULT_DIMENSIONS_FILEPATH)) { - this.database.loadDimensionsFromStream(dimensions); + this.handleLoadErrors( + this.database.loadDimensionsFromStream(dimensions)); } catch (final IOException e) { throw new AssertionError("Loading of dimensionfile.txt failed.", e); } @@ -772,6 +774,24 @@ public final class Presenter { } /** + * Accepts a list of errors. If that list is non-empty, prints an error + * message and alerts the user. + * + * @since 2024-08-22 + */ + private void handleLoadErrors(List<LoadingException> errors) { + if (!errors.isEmpty()) { + final String errorMessage = String.format( + "%d error(s) happened while loading file:\n%s\n", errors.size(), + errors.stream().map(Throwable::getMessage) + .collect(Collectors.joining("\n"))); + System.err.print(errorMessage); + this.view.showErrorMessage(errors.size() + "Loading Error(s)", + errorMessage); + } + } + + /** * @return whether or not the provided unit is semi-metric (i.e. an * exception) * @since 2022-04-16 @@ -832,13 +852,15 @@ public final class Presenter { // set manually to avoid the unnecessary saving of the non-manual // methods case "custom_dimension_file": - this.database.loadDimensionFile(pathFromConfig(value)); + this.handleLoadErrors( + this.database.loadDimensionFile(pathFromConfig(value))); break; case "custom_exception_file": this.loadExceptionFile(pathFromConfig(value)); break; case "custom_unit_file": - this.database.loadUnitsFile(pathFromConfig(value)); + this.handleLoadErrors( + this.database.loadUnitsFile(pathFromConfig(value))); break; case "number_display_rule": this.setDisplayRuleFromString(value); |