Example usage for com.liferay.portal.kernel.zip ZipReader getEntryAsInputStream

Introduction

In this page you can find the example usage for com.liferay.portal.kernel.zip ZipReader getEntryAsInputStream.

Prototype

public InputStream getEntryAsInputStream(String name);

Source Link

Usage

From source file:com.liferay.knowledgebase.admin.importer.KBArticleImporter.java

License:Open Source License

protected Map<String, String> getMetadata(ZipReader zipReader) throws KBArticleImportException {

    InputStream inputStream = null;

    try {//from   w w  w. j a v  a2 s  . c om
        inputStream = zipReader.getEntryAsInputStream(".METADATA");

        if (inputStream == null) {
            return Collections.emptyMap();
        }

        Properties properties = new Properties();

        properties.load(inputStream);

        Map<String, String> metadata = new HashMap<String, String>(properties.size());

        for (Object key : properties.keySet()) {
            Object value = properties.get(key);

            if (value != null) {
                metadata.put(key.toString(), value.toString());
            }
        }

        return metadata;
    } catch (IOException ioe) {
        throw new KBArticleImportException(ioe);
    } finally {
        StreamUtil.cleanUp(inputStream);
    }
}

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From source file:com.liferay.knowledgebase.admin.importer.util.KBArticleImporterUtil.java

License:Open Source License

public static FileEntry addImageFileEntry(String imageFileName, long userId, KBArticle kbArticle,
        ZipReader zipReader, Map<String, FileEntry> fileEntriesMap) throws PortalException {

    try {//from   w w w.  j  a  va  2 s .  co  m
        validateImageFileExtension(imageFileName);
    } catch (KBArticleImportException kbaie) {
        if (_log.isWarnEnabled()) {
            _log.warn("Unsupported image file suffix used in ZIP file " + imageFileName);
        }
    }

    try {
        return addImageFileEntry(userId, kbArticle, imageFileName, zipReader.getEntryAsInputStream(
                PortletPropsValues.MARKDOWN_IMPORTER_IMAGE_FOLDER + imageFileName), fileEntriesMap);
    } catch (Exception e) {
        StringBuilder sb = new StringBuilder(4);

        sb.append("Unable to import image file ");
        sb.append(imageFileName);
        sb.append(": ");
        sb.append(e.getLocalizedMessage());

        throw new KBArticleImportException(sb.toString());
    }
}

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From source file:com.liferay.portlet.wiki.importers.mediawiki.MediaWikiImporter.java

License:Open Source License

protected void processImages(long userId, WikiNode node, InputStream imagesInputStream) throws Exception {

    if (imagesInputStream == null) {
        return;//from w w w. j a  va2s .c o  m
    }

    ProgressTracker progressTracker = ProgressTrackerThreadLocal.getProgressTracker();

    int count = 0;

    ZipReader zipReader = ZipReaderFactoryUtil.getZipReader(imagesInputStream);

    List<String> entries = zipReader.getEntries();

    int total = entries.size();

    if (total > 0) {
        try {
            WikiPageLocalServiceUtil.getPage(node.getNodeId(), SHARED_IMAGES_TITLE);
        } catch (NoSuchPageException nspe) {
            ServiceContext serviceContext = new ServiceContext();

            serviceContext.setAddGroupPermissions(true);
            serviceContext.setAddGuestPermissions(true);

            WikiPageLocalServiceUtil.addPage(userId, node.getNodeId(), SHARED_IMAGES_TITLE,
                    SHARED_IMAGES_CONTENT, null, true, serviceContext);
        }
    }

    List<ObjectValuePair<String, InputStream>> inputStreamOVPs = new ArrayList<ObjectValuePair<String, InputStream>>();

    try {
        int percentage = 50;

        for (int i = 0; i < entries.size(); i++) {
            String entry = entries.get(i);

            String key = entry;

            InputStream inputStream = zipReader.getEntryAsInputStream(entry);

            String[] paths = StringUtil.split(key, CharPool.SLASH);

            if (!isValidImage(paths, inputStream)) {
                if (_log.isInfoEnabled()) {
                    _log.info("Ignoring " + key);
                }

                continue;
            }

            String fileName = StringUtil.toLowerCase(paths[paths.length - 1]);

            ObjectValuePair<String, InputStream> inputStreamOVP = new ObjectValuePair<String, InputStream>(
                    fileName, inputStream);

            inputStreamOVPs.add(inputStreamOVP);

            count++;

            if ((i % 5) == 0) {
                WikiPageLocalServiceUtil.addPageAttachments(userId, node.getNodeId(), SHARED_IMAGES_TITLE,
                        inputStreamOVPs);

                inputStreamOVPs.clear();

                percentage = Math.min(50 + (i * 50) / total, 99);

                progressTracker.setPercent(percentage);
            }
        }

        if (!inputStreamOVPs.isEmpty()) {
            WikiPageLocalServiceUtil.addPageAttachments(userId, node.getNodeId(), SHARED_IMAGES_TITLE,
                    inputStreamOVPs);
        }
    } finally {
        for (ObjectValuePair<String, InputStream> inputStreamOVP : inputStreamOVPs) {

            InputStream inputStream = inputStreamOVP.getValue();

            StreamUtil.cleanUp(inputStream);
        }
    }

    zipReader.close();

    if (_log.isInfoEnabled()) {
        _log.info("Imported " + count + " images into " + node.getName());
    }
}

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From source file:com.liferay.wiki.importer.impl.mediawiki.MediaWikiImporter.java

License:Open Source License

protected void processImages(long userId, WikiNode node, InputStream imagesInputStream) throws Exception {

    if (imagesInputStream == null) {
        return;//w  w w. j a v a 2s. co  m
    }

    ProgressTracker progressTracker = ProgressTrackerThreadLocal.getProgressTracker();

    int count = 0;

    ZipReader zipReader = ZipReaderFactoryUtil.getZipReader(imagesInputStream);

    List<String> entries = zipReader.getEntries();

    if (entries == null) {
        throw new ImportFilesException();
    }

    int total = entries.size();

    if (total > 0) {
        try {
            _wikiPageLocalService.getPage(node.getNodeId(), SHARED_IMAGES_TITLE);
        } catch (NoSuchPageException nspe) {
            ServiceContext serviceContext = new ServiceContext();

            serviceContext.setAddGroupPermissions(true);
            serviceContext.setAddGuestPermissions(true);

            _wikiPageLocalService.addPage(userId, node.getNodeId(), SHARED_IMAGES_TITLE, SHARED_IMAGES_CONTENT,
                    null, true, serviceContext);
        }
    }

    List<ObjectValuePair<String, InputStream>> inputStreamOVPs = new ArrayList<>();

    try {
        int percentage = 50;

        for (int i = 0; i < entries.size(); i++) {
            String entry = entries.get(i);

            String key = entry;

            InputStream inputStream = zipReader.getEntryAsInputStream(entry);

            String[] paths = StringUtil.split(key, CharPool.SLASH);

            if (!isValidImage(paths, inputStream)) {
                if (_log.isInfoEnabled()) {
                    _log.info("Ignoring " + key);
                }

                continue;
            }

            String fileName = StringUtil.toLowerCase(paths[paths.length - 1]);

            ObjectValuePair<String, InputStream> inputStreamOVP = new ObjectValuePair<>(fileName, inputStream);

            inputStreamOVPs.add(inputStreamOVP);

            count++;

            if ((i % 5) == 0) {
                _wikiPageLocalService.addPageAttachments(userId, node.getNodeId(), SHARED_IMAGES_TITLE,
                        inputStreamOVPs);

                inputStreamOVPs.clear();

                percentage = Math.min(50 + (i * 50) / total, 99);

                if (progressTracker != null) {
                    progressTracker.setPercent(percentage);
                }
            }
        }

        if (!inputStreamOVPs.isEmpty()) {
            _wikiPageLocalService.addPageAttachments(userId, node.getNodeId(), SHARED_IMAGES_TITLE,
                    inputStreamOVPs);
        }
    } finally {
        for (ObjectValuePair<String, InputStream> inputStreamOVP : inputStreamOVPs) {

            InputStream inputStream = inputStreamOVP.getValue();

            StreamUtil.cleanUp(inputStream);
        }
    }

    zipReader.close();

    if (_log.isInfoEnabled()) {
        _log.info("Imported " + count + " images into " + node.getName());
    }
}

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