Examples with AbstractResourceStream org.apache.wicket.util.resource.AbstractResourceStream used on opensource projects

Example 1 with AbstractResourceStream

use of org.apache.wicket.util.resource.AbstractResourceStream in project midpoint by Evolveum.

the class AjaxDownloadBehaviorFromStream method onRequest.

public void onRequest() {
    final InputStream byteStream = initStream();
    if (byteStream == null) {
        return;
    }
    IResourceStream resourceStream = new AbstractResourceStream() {

        @Override
        public String getContentType() {
            return contentType;
        }

        @Override
        public InputStream getInputStream() throws ResourceStreamNotFoundException {
            return byteStream;
        }

        @Override
        public void close() throws IOException {
            byteStream.close();
        }
    };
    ResourceStreamRequestHandler reqHandler = new ResourceStreamRequestHandler(resourceStream) {

        @Override
        public void respond(IRequestCycle requestCycle) {
            super.respond(requestCycle);
        }
    }.setContentDisposition(ContentDisposition.ATTACHMENT).setCacheDuration(Duration.ONE_SECOND);
    if (StringUtils.isNotEmpty(getFileName())) {
        reqHandler.setFileName(getFileName());
    }
    getComponent().getRequestCycle().scheduleRequestHandlerAfterCurrent(reqHandler);
}

Example 2 with AbstractResourceStream

use of org.apache.wicket.util.resource.AbstractResourceStream in project wicket by apache.

the class ConcatBundleResource method getResourceStream.

@Override
public IResourceStream getResourceStream() {
    List<IResourceStream> resources = collectResourceStreams();
    if (resources == null) {
        return null;
    }
    byte[] bytes;
    try {
        bytes = readAllResources(resources);
    } catch (IOException e) {
        return null;
    } catch (ResourceStreamNotFoundException e) {
        return null;
    }
    final String contentType = findContentType(resources);
    final Time lastModified = findLastModified(resources);
    final ByteArrayInputStream inputStream = new ByteArrayInputStream(bytes);
    final long length = bytes.length;
    AbstractResourceStream ret = new AbstractResourceStream() {

        private static final long serialVersionUID = 1L;

        @Override
        public InputStream getInputStream() throws ResourceStreamNotFoundException {
            return inputStream;
        }

        @Override
        public Bytes length() {
            return Bytes.bytes(length);
        }

        @Override
        public String getContentType() {
            return contentType;
        }

        @Override
        public Time lastModifiedTime() {
            return lastModified;
        }

        @Override
        public void close() throws IOException {
            inputStream.close();
        }
    };
    return ret;
}

Example 3 with AbstractResourceStream

use of org.apache.wicket.util.resource.AbstractResourceStream in project webanno by webanno.

the class AgreementTable method makeDownloadBehavior.

private Behavior makeDownloadBehavior(final String aKey1, final String aKey2) {
    return new AjaxEventBehavior("click") {

        private static final long serialVersionUID = 1L;

        @Override
        protected void onEvent(AjaxRequestTarget aTarget) {
            AJAXDownload download = new AJAXDownload() {

                private static final long serialVersionUID = 1L;

                @Override
                protected IResourceStream getResourceStream() {
                    return new AbstractResourceStream() {

                        private static final long serialVersionUID = 1L;

                        @Override
                        public InputStream getInputStream() throws ResourceStreamNotFoundException {
                            try {
                                AgreementResult result = AgreementTable.this.getModelObject().getStudy(aKey1, aKey2);
                                switch(settings.getObject().exportFormat) {
                                    case CSV:
                                        return AgreementUtils.generateCsvReport(result);
                                    case DEBUG:
                                        return generateDebugReport(result);
                                    default:
                                        throw new IllegalStateException("Unknown export format [" + settings.getObject().exportFormat + "]");
                                }
                            } catch (Exception e) {
                                // FIXME Is there some better error handling here?
                                LOG.error("Unable to generate agreement report", e);
                                throw new ResourceStreamNotFoundException(e);
                            }
                        }

                        @Override
                        public void close() throws IOException {
                        // Nothing to do
                        }
                    };
                }
            };
            getComponent().add(download);
            download.initiate(aTarget, "agreement" + settings.getObject().exportFormat.getExtension());
        }
    };
}

Example 4 with AbstractResourceStream

use of org.apache.wicket.util.resource.AbstractResourceStream in project openmeetings by apache.

the class LangPanel method onInitialize.

@Override
protected void onInitialize() {
    // Create feedback panels
    add(feedback.setOutputMarkupId(true));
    language = new AbstractMap.SimpleEntry<>(1L, Locale.ENGLISH);
    final LabelsForm form = new LabelsForm("form", this, new StringLabel(null, null));
    form.showNewRecord();
    add(form);
    final SearchableDataView<StringLabel> dataView = new SearchableDataView<StringLabel>("langList", new SearchableDataProvider<StringLabel>(LabelDao.class) {

        private static final long serialVersionUID = 1L;

        @Override
        public long size() {
            return LabelDao.count(language.getValue(), search);
        }

        @Override
        public Iterator<? extends StringLabel> iterator(long first, long count) {
            return LabelDao.get(language.getValue(), search, (int) first, (int) count, getSort()).iterator();
        }
    }) {

        private static final long serialVersionUID = 1L;

        @Override
        protected void populateItem(final Item<StringLabel> item) {
            final StringLabel fv = item.getModelObject();
            item.add(new Label("key"));
            item.add(new Label("value"));
            item.add(new AjaxEventBehavior(EVT_CLICK) {

                private static final long serialVersionUID = 1L;

                @Override
                protected void onEvent(AjaxRequestTarget target) {
                    form.setModelObject(fv);
                    form.hideNewRecord();
                    target.add(form, listContainer);
                    reinitJs(target);
                }
            });
            item.add(AttributeModifier.append(ATTR_CLASS, getRowClass(fv.getId(), form.getModelObject().getId())));
        }
    };
    add(listContainer.add(dataView).setOutputMarkupId(true));
    PagedEntityListPanel navigator = new PagedEntityListPanel("navigator", dataView) {

        private static final long serialVersionUID = 1L;

        @Override
        protected void onEvent(AjaxRequestTarget target) {
            dataView.modelChanging();
            target.add(listContainer);
        }
    };
    DataViewContainer<StringLabel> container = new DataViewContainer<>(listContainer, dataView, navigator);
    container.addLink(new OmOrderByBorder<>("orderByName", "key", container)).addLink(new OmOrderByBorder<>("orderByValue", "value", container));
    add(container.getLinks());
    add(navigator);
    langForm = new LangForm("langForm", listContainer, this);
    langForm.add(fileUploadField);
    langForm.add(new UploadProgressBar("progress", langForm, fileUploadField));
    fileUploadField.add(new AjaxFormSubmitBehavior(langForm, "change") {

        private static final long serialVersionUID = 1L;

        @Override
        protected void onSubmit(AjaxRequestTarget target) {
            FileUpload download = fileUploadField.getFileUpload();
            try {
                if (download == null || download.getInputStream() == null) {
                    feedback.error("File is empty");
                    return;
                }
                LabelDao.upload(language.getValue(), download.getInputStream());
            } catch (Exception e) {
                log.error("Exception on panel language editor import ", e);
                feedback.error(e);
            }
            // repaint the feedback panel so that it is hidden
            target.add(listContainer, feedback);
        }
    });
    // Add a component to download a file without page refresh
    final AjaxDownloadBehavior download = new AjaxDownloadBehavior(new ResourceStreamResource() {

        private static final long serialVersionUID = 1L;

        {
            setContentDisposition(ATTACHMENT);
            setCacheDuration(NONE);
        }

        @Override
        protected IResourceStream getResourceStream(Attributes attributes) {
            final String name = LabelDao.getLabelFileName(language.getValue());
            setFileName(name);
            return new AbstractResourceStream() {

                private static final long serialVersionUID = 1L;

                private transient InputStream is;

                @Override
                public InputStream getInputStream() throws ResourceStreamNotFoundException {
                    try {
                        is = Application.class.getResourceAsStream(name);
                        return is;
                    } catch (Exception e) {
                        throw new ResourceStreamNotFoundException(e);
                    }
                }

                @Override
                public void close() throws IOException {
                    if (is != null) {
                        is.close();
                        is = null;
                    }
                }
            };
        }
    });
    langForm.add(download);
    langForm.add(new AjaxButton("export") {

        private static final long serialVersionUID = 1L;

        @Override
        protected void onSubmit(AjaxRequestTarget target) {
            download.initiate(target);
            // repaint the feedback panel so that it is hidden
            target.add(feedback);
        }

        @Override
        protected void onError(AjaxRequestTarget target) {
            // repaint the feedback panel so errors are shown
            target.add(feedback);
        }
    });
    add(langForm);
    final AddLanguageDialog addLang = new AddLanguageDialog("addLang", this);
    add(addLang, new AjaxLink<Void>("addLangBtn") {

        private static final long serialVersionUID = 1L;

        @Override
        public void onClick(AjaxRequestTarget target) {
            addLang.open(target);
        }
    });
    add(BootstrapFileUploadBehavior.INSTANCE);
    add(new ConfirmableAjaxBorder("deleteLangBtn", getString("80"), getString("833")) {

        private static final long serialVersionUID = 1L;

        @Override
        protected void onSubmit(AjaxRequestTarget target) {
            LabelDao.delete(language.getValue());
            List<Map.Entry<Long, Locale>> langs = LangForm.getLanguages();
            language = langs.isEmpty() ? null : langs.get(0);
            langForm.updateLanguages(target);
            target.add(listContainer);
        }
    });
    super.onInitialize();
}

Example 5 with AbstractResourceStream

use of org.apache.wicket.util.resource.AbstractResourceStream in project webanno by webanno.

the class AJAXDownload method getResourceStream.

/**
 * Hook method providing the actual resource stream.
 *
 * @return the stream.
 */
protected IResourceStream getResourceStream() {
    return new AbstractResourceStream() {

        private static final long serialVersionUID1 = 1L;

        InputStream inStream;

        @Override
        public InputStream getInputStream() throws ResourceStreamNotFoundException {
            try {
                inStream = new FileInputStream(fileName);
            } catch (IOException e) {
                throw new ResourceStreamNotFoundException(e);
            }
            return inStream;
        }

        @Override
        public void close() throws IOException {
            inStream.close();
            inStream = null;
            FileUtils.forceDelete(new File(fileName));
        }
    };
}