Examples with LSException net.parostroj.timetable.model.ls.LSException used on opensource projects

Example 16 with LSException

use of net.parostroj.timetable.model.ls.LSException in project grafikon by jub77.

the class LoadDiagramUrlModelAction method backgroundAction.

@Override
protected void backgroundAction() {
    url = (String) getActionContext().getAttribute("diagramUrl");
    if (url == null) {
        // skip
        return;
    }
    setWaitMessage(ResourceLoader.getString("wait.message.loadmodel"));
    setWaitDialogVisible(true);
    long time = System.currentTimeMillis();
    try {
        try (ZipInputStream is = new ZipInputStream(new URL(url).openStream())) {
            LSFile ls = LSFileFactory.getInstance().createForLoad(is);
            context.setAttribute("diagram", ls.load(is));
        } catch (LSException e) {
            log.warn("Error loading model.", e);
            if (e.getCause() instanceof FileNotFoundException) {
                errorMessage = ResourceLoader.getString("dialog.error.filenotfound");
            } else {
                errorMessage = ResourceLoader.getString("dialog.error.loading");
            }
        } catch (Exception e) {
            log.warn("Error loading model.", e);
            errorMessage = ResourceLoader.getString("dialog.error.loading");
        }
    } finally {
        log.debug("Library loaded in {}ms", System.currentTimeMillis() - time);
        setWaitDialogVisible(false);
    }
}

Example 17 with LSException

use of net.parostroj.timetable.model.ls.LSException in project grafikon by jub77.

the class LoadLibraryUrlModelAction method backgroundAction.

@Override
protected void backgroundAction() {
    url = (String) getActionContext().getAttribute("libraryUrl");
    if (url == null) {
        // skip
        return;
    }
    setWaitMessage(ResourceLoader.getString("wait.message.loadlibrary"));
    setWaitDialogVisible(true);
    long time = System.currentTimeMillis();
    try {
        try (ZipInputStream is = new ZipInputStream(new URL(url).openStream())) {
            LSLibrary ls = LSLibraryFactory.getInstance().createForLoad(is);
            context.setAttribute("library", ls.load(is));
        } catch (LSException e) {
            log.warn("Error loading model.", e);
            if (e.getCause() instanceof FileNotFoundException) {
                errorMessage = ResourceLoader.getString("dialog.error.filenotfound");
            } else {
                errorMessage = ResourceLoader.getString("dialog.error.loading");
            }
        } catch (Exception e) {
            log.warn("Error loading model.", e);
            errorMessage = ResourceLoader.getString("dialog.error.loading");
        }
    } finally {
        log.debug("Library loaded in {}ms", System.currentTimeMillis() - time);
        setWaitDialogVisible(false);
    }
}

Example 18 with LSException

use of net.parostroj.timetable.model.ls.LSException in project grafikon by jub77.

the class LoadLibraryModelAction method backgroundAction.

@Override
protected void backgroundAction() {
    selectedFile = (File) getActionContext().getAttribute("libraryFile");
    if (selectedFile == null) {
        // skip
        return;
    }
    setWaitMessage(ResourceLoader.getString("wait.message.loadlibrary"));
    setWaitDialogVisible(true);
    long time = System.currentTimeMillis();
    try {
        try {
            LSLibrary ls = LSLibraryFactory.getInstance().createForLoad(selectedFile);
            try (ZipInputStream stream = new ZipInputStream(new FileInputStream(selectedFile))) {
                context.setAttribute("library", ls.load(stream));
            }
        } catch (LSException e) {
            log.warn("Error loading model.", e);
            if (e.getCause() instanceof FileNotFoundException) {
                errorMessage = ResourceLoader.getString("dialog.error.filenotfound");
            } else {
                errorMessage = ResourceLoader.getString("dialog.error.loading");
            }
        } catch (Exception e) {
            log.warn("Error loading model.", e);
            errorMessage = ResourceLoader.getString("dialog.error.loading");
        }
    } finally {
        log.debug("Library loaded in {}ms", System.currentTimeMillis() - time);
        setWaitDialogVisible(false);
    }
}

Example 19 with LSException

use of net.parostroj.timetable.model.ls.LSException in project grafikon by jub77.

the class LoadSave method load.

@Override
public TrainDiagram load(File file) throws LSException {
    try (ZipFile zip = new ZipFile(file)) {
        TrainDiagram diagram = null;
        // load metadata
        ZipEntry entry = zip.getEntry(METADATA);
        Properties metadata = new Properties();
        if (entry != null) {
            // load metadata
            metadata.load(zip.getInputStream(entry));
        }
        // set model version
        ModelVersion modelVersion = null;
        if (metadata.getProperty(METADATA_KEY_MODEL_VERSION) == null) {
            modelVersion = ModelVersion.parseModelVersion("1.0");
        } else {
            modelVersion = ModelVersion.parseModelVersion(metadata.getProperty(METADATA_KEY_MODEL_VERSION));
        }
        ModelVersion latest = LSSerializer.getLatestVersion();
        if (latest.getMajorVersion() < modelVersion.getMajorVersion() || (latest.getMajorVersion() == modelVersion.getMajorVersion() && latest.getMinorVersion() < modelVersion.getMinorVersion())) {
            throw new LSException("Cannot load newer model.");
        }
        // load train types
        entry = zip.getEntry(TRAIN_TYPES_NAME);
        InputStream isTypes = null;
        if (entry == null) {
            isTypes = DefaultTrainTypeListSource.getDefaultTypesInputStream();
        } else {
            isTypes = zip.getInputStream(entry);
        }
        LSTrainTypeSerializer tts = LSTrainTypeSerializer.getLSTrainTypeSerializer(modelVersion);
        LSTrainTypeList trainTypeList = tts.load(new InputStreamReader(isTypes, "utf-8"));
        // load model
        entry = zip.getEntry(TRAIN_DIAGRAM_NAME);
        if (entry == null) {
            throw new LSException("Model not found.");
        }
        diagram = this.loadTrainDiagram(modelVersion, metadata, new InputStreamReader(zip.getInputStream(entry), "utf-8"), trainTypeList);
        // load images
        LoadSaveImages lsImages = new LoadSaveImages();
        lsImages.loadTimetableImages(diagram, zip);
        return diagram;
    } catch (ZipException ex) {
        throw new LSException(ex);
    } catch (IOException ex) {
        throw new LSException(ex);
    }
}

Example 20 with LSException

use of net.parostroj.timetable.model.ls.LSException in project grafikon by jub77.

the class LoadSave method save.

@Override
public void save(TrainDiagram diagram, File file) throws LSException {
    try (ZipOutputStream zipOutput = new ZipOutputStream(new FileOutputStream(file))) {
        // save metadata
        zipOutput.putNextEntry(new ZipEntry(METADATA));
        this.createMetadata().store(zipOutput, null);
        // save train types
        LSTrainTypeList trainTypeList = new LSTrainTypeList(diagram.getTrainTypes(), diagram.getTrainsData());
        zipOutput.putNextEntry(new ZipEntry(TRAIN_TYPES_NAME));
        LSTrainTypeSerializer tts = LSTrainTypeSerializer.getLSTrainTypeSerializer(LSSerializer.getLatestVersion());
        tts.save(new OutputStreamWriter(zipOutput, "utf-8"), trainTypeList);
        // save diagram
        zipOutput.putNextEntry(new ZipEntry(TRAIN_DIAGRAM_NAME));
        this.saveTrainDiagram(new OutputStreamWriter(zipOutput, "utf-8"), diagram, trainTypeList);
        // save images
        LoadSaveImages lsImages = new LoadSaveImages();
        lsImages.saveTimetableImages(diagram, zipOutput);
    } catch (IOException ex) {
        throw new LSException(ex);
    }
}