Examples with DefaultOutputStreamOutputTarget org.xwiki.filter.output.DefaultOutputStreamOutputTarget used on opensource projects

Example 1 with DefaultOutputStreamOutputTarget

use of org.xwiki.filter.output.DefaultOutputStreamOutputTarget in project xwiki-platform by xwiki.

the class ExportAction method exportXAR.

private String exportXAR(XWikiContext context) throws XWikiException, IOException, FilterException {
    XWikiRequest request = context.getRequest();
    boolean history = Boolean.valueOf(request.get("history"));
    boolean backup = Boolean.valueOf(request.get("backup"));
    String author = request.get("author");
    String description = request.get("description");
    String licence = request.get("licence");
    String version = request.get("version");
    String name = request.get("name");
    String[] pages = request.getParameterValues("pages");
    boolean all = ArrayUtils.isEmpty(pages);
    if (!context.getWiki().getRightService().hasWikiAdminRights(context)) {
        context.put("message", "needadminrights");
        return "exception";
    }
    if (StringUtils.isEmpty(name)) {
        if (all) {
            name = "backup";
        } else {
            name = "export";
        }
    }
    if (context.getWiki().ParamAsLong("xwiki.action.export.xar.usefilter", 1) == 1) {
        // Create input wiki stream
        DocumentInstanceInputProperties inputProperties = new DocumentInstanceInputProperties();
        // We don't want to log the details
        inputProperties.setVerbose(false);
        inputProperties.setWithJRCSRevisions(history);
        inputProperties.setWithRevisions(false);
        EntityReferenceSet entities = new EntityReferenceSet();
        if (all) {
            entities.includes(new WikiReference(context.getWikiId()));
        } else {
            // Find all page references and add them for processing
            Collection<DocumentReference> pageList = resolvePagesToExport(pages, context);
            for (DocumentReference page : pageList) {
                entities.includes(page);
            }
        }
        inputProperties.setEntities(entities);
        InputFilterStreamFactory inputFilterStreamFactory = Utils.getComponent(InputFilterStreamFactory.class, FilterStreamType.XWIKI_INSTANCE.serialize());
        InputFilterStream inputFilterStream = inputFilterStreamFactory.createInputFilterStream(inputProperties);
        // Create output wiki stream
        XAROutputProperties xarProperties = new XAROutputProperties();
        // We don't want to log the details
        xarProperties.setVerbose(false);
        XWikiResponse response = context.getResponse();
        xarProperties.setTarget(new DefaultOutputStreamOutputTarget(response.getOutputStream()));
        xarProperties.setPackageName(name);
        if (description != null) {
            xarProperties.setPackageDescription(description);
        }
        if (licence != null) {
            xarProperties.setPackageLicense(licence);
        }
        if (author != null) {
            xarProperties.setPackageAuthor(author);
        }
        if (version != null) {
            xarProperties.setPackageVersion(version);
        }
        xarProperties.setPackageBackupPack(backup);
        xarProperties.setPreserveVersion(backup || history);
        BeanOutputFilterStreamFactory<XAROutputProperties> xarFilterStreamFactory = Utils.getComponent((Type) OutputFilterStreamFactory.class, FilterStreamType.XWIKI_XAR_CURRENT.serialize());
        OutputFilterStream outputFilterStream = xarFilterStreamFactory.createOutputFilterStream(xarProperties);
        // Export
        response.setContentType("application/zip");
        response.addHeader("Content-disposition", "attachment; filename=" + Util.encodeURI(name, context) + ".xar");
        inputFilterStream.read(outputFilterStream.getFilter());
        inputFilterStream.close();
        outputFilterStream.close();
        // Flush
        response.getOutputStream().flush();
        // Indicate that we are done with the response so no need to add anything
        context.setFinished(true);
    } else {
        PackageAPI export = ((PackageAPI) context.getWiki().getPluginApi("package", context));
        if (export == null) {
            // No Packaging plugin configured
            return "exception";
        }
        export.setWithVersions(history);
        if (author != null) {
            export.setAuthorName(author);
        }
        if (description != null) {
            export.setDescription(description);
        }
        if (licence != null) {
            export.setLicence(licence);
        }
        if (version != null) {
            export.setVersion(version);
        }
        export.setBackupPack(backup);
        export.setName(name);
        if (all) {
            export.backupWiki();
        } else {
            if (pages != null) {
                for (String pageName : pages) {
                    String defaultAction = request.get("action_" + pageName);
                    int iAction;
                    try {
                        iAction = Integer.parseInt(defaultAction);
                    } catch (Exception e) {
                        iAction = 0;
                    }
                    export.add(pageName, iAction);
                }
            }
            export.export();
        }
    }
    return null;
}