Examples with Pair com.vaadin.flow.internal.Pair used on opensource projects

Example 1 with Pair

use of com.vaadin.flow.internal.Pair in project flow by vaadin.

the class LitTemplateParserImpl method getTemplateContent.

@Override
public TemplateData getTemplateContent(Class<? extends LitTemplate> clazz, String tag, VaadinService service) {
    List<Dependency> dependencies = AnnotationReader.getAnnotationsFor(clazz, JsModule.class).stream().map(jsModule -> new Dependency(Dependency.Type.JS_MODULE, jsModule.value(), // load mode doesn't
    LoadMode.EAGER)).collect(Collectors.toList());
    for (DependencyFilter filter : service.getDependencyFilters()) {
        dependencies = filter.filter(new ArrayList<>(dependencies), service);
    }
    Pair<Dependency, String> chosenDep = null;
    for (Dependency dependency : dependencies) {
        if (dependency.getType() != Dependency.Type.JS_MODULE) {
            continue;
        }
        String url = dependency.getUrl();
        String source = getSourcesFromTemplate(service, tag, url);
        if (source == null) {
            continue;
        }
        if (chosenDep == null) {
            chosenDep = new Pair<>(dependency, source);
        }
        if (dependencyHasTagName(dependency, tag)) {
            chosenDep = new Pair<>(dependency, source);
            break;
        }
    }
    Element templateElement = null;
    if (chosenDep != null) {
        templateElement = BundleLitParser.parseLitTemplateElement(chosenDep.getFirst().getUrl(), chosenDep.getSecond());
    }
    if (templateElement != null) {
        // Template needs to be wrapped in an element with id, to look
        // like a P2 template
        Element parent = new Element(tag);
        parent.attr("id", tag);
        templateElement.appendTo(parent);
        return new TemplateData(chosenDep.getFirst().getUrl(), templateElement);
    }
    getLogger().info("Couldn't find the " + "definition of the element with tag '{}' " + "in any lit template file declared using '@{}' annotations. " + "In a Spring Boot project, please ensure that the template's " + "groupId is added to the vaadin.whitelisted-packages " + "property. Otherwise, please Check the availability of the " + "template files in your WAR file or provide alternative " + "implementation of the method " + "LitTemplateParser.getTemplateContent() which should return " + "an element representing the content of the template file", tag, JsModule.class.getSimpleName());
    return null;
}

Example 2 with Pair

use of com.vaadin.flow.internal.Pair in project flow by vaadin.

the class StreamReceiverHandler method streamToReceiver.

private final Pair<Boolean, UploadStatus> streamToReceiver(VaadinSession session, final InputStream in, StreamReceiver streamReceiver, String filename, String type, long contentLength) throws UploadException {
    StreamVariable streamVariable = streamReceiver.getStreamVariable();
    if (streamVariable == null) {
        throw new IllegalStateException("StreamVariable for the post not found");
    }
    OutputStream out = null;
    long totalBytes = 0;
    StreamingStartEventImpl startedEvent = new StreamingStartEventImpl(filename, type, contentLength);
    boolean success = false;
    try {
        boolean listenProgress;
        session.lock();
        try {
            streamVariable.streamingStarted(startedEvent);
            out = streamVariable.getOutputStream();
            listenProgress = streamVariable.listenProgress();
        } finally {
            session.unlock();
        }
        // Gets the output target stream
        if (out == null) {
            throw new NoOutputStreamException();
        }
        if (null == in) {
            // No file, for instance non-existent filename in html upload
            throw new NoInputStreamException();
        }
        final byte[] buffer = new byte[MAX_UPLOAD_BUFFER_SIZE];
        long lastStreamingEvent = 0;
        int bytesReadToBuffer;
        do {
            bytesReadToBuffer = in.read(buffer);
            if (bytesReadToBuffer > 0) {
                out.write(buffer, 0, bytesReadToBuffer);
                totalBytes += bytesReadToBuffer;
            }
            if (listenProgress) {
                StreamingProgressEventImpl progressEvent = new StreamingProgressEventImpl(filename, type, contentLength, totalBytes);
                lastStreamingEvent = updateProgress(session, streamVariable, progressEvent, lastStreamingEvent, bytesReadToBuffer);
            }
            if (streamVariable.isInterrupted()) {
                throw new UploadInterruptedException();
            }
        } while (bytesReadToBuffer > 0);
        // upload successful
        out.close();
        StreamVariable.StreamingEndEvent event = new StreamingEndEventImpl(filename, type, totalBytes);
        session.lock();
        try {
            streamVariable.streamingFinished(event);
        } finally {
            session.unlock();
        }
        success = true;
    } catch (UploadInterruptedException | IOException e) {
        // Download is either interrupted by application code or some
        // IOException happens
        onStreamingFailed(session, filename, type, contentLength, streamVariable, out, totalBytes, e);
    // Interrupted exception and IOEXception are not thrown forward:
    // it's enough to fire them via streamVariable
    } catch (final Exception e) {
        onStreamingFailed(session, filename, type, contentLength, streamVariable, out, totalBytes, e);
        // I/O operations).
        throw new UploadException(e);
    }
    return new Pair<>(startedEvent.isDisposed(), success ? UploadStatus.OK : UploadStatus.ERROR);
}

Example 3 with Pair

use of com.vaadin.flow.internal.Pair in project flow by vaadin.

the class NpmTemplateParser method getTemplateContent.

@Override
public TemplateData getTemplateContent(Class<? extends PolymerTemplate<?>> clazz, String tag, VaadinService service) {
    List<Dependency> dependencies = AnnotationReader.getAnnotationsFor(clazz, JsModule.class).stream().map(jsModule -> new Dependency(Dependency.Type.JS_MODULE, jsModule.value(), // load mode doesn't
    LoadMode.EAGER)).collect(Collectors.toList());
    for (DependencyFilter filter : service.getDependencyFilters()) {
        dependencies = filter.filter(new ArrayList<>(dependencies), service);
    }
    Pair<Dependency, String> chosenDep = null;
    for (Dependency dependency : dependencies) {
        if (dependency.getType() != Dependency.Type.JS_MODULE) {
            continue;
        }
        String url = dependency.getUrl();
        String source = getSourcesFromTemplate(service, tag, url);
        if (source == null) {
            continue;
        }
        if (chosenDep == null) {
            chosenDep = new Pair<>(dependency, source);
        }
        if (dependencyHasTagName(dependency, tag)) {
            chosenDep = new Pair<>(dependency, source);
            break;
        }
    }
    if (chosenDep != null) {
        Element templateElement = BundleParser.parseTemplateElement(chosenDep.getFirst().getUrl(), chosenDep.getSecond());
        if (!JsoupUtils.getDomModule(templateElement, null).isPresent()) {
            // Template needs to be wrapped in an element with id, to look
            // like a P2 template
            Element parent = new Element(tag);
            parent.attr("id", tag);
            templateElement.appendTo(parent);
        }
        return new TemplateData(chosenDep.getFirst().getUrl(), templateElement);
    }
    throw new IllegalStateException(String.format("Couldn't find the " + "definition of the element with tag '%s' " + "in any template file declared using '@%s' annotations. " + "In a Spring Boot project, please ensure that the template's " + "groupId is added to the vaadin.whitelisted-packages " + "property. Otherwise, please Check the availability of the " + "template files in your WAR file or provide alternative " + "implementation of the method getTemplateContent() which " + "should return an element representing the content of the " + "template file", tag, JsModule.class.getSimpleName()));
}