Examples with LimitedContentWriter org.olat.core.util.io.LimitedContentWriter used on opensource projects

Example 16 with LimitedContentWriter

use of org.olat.core.util.io.LimitedContentWriter in project openolat by klemens.

the class PowerPointOOXMLDocument method readContent.

@Override
public FileContent readContent(VFSLeaf leaf) throws IOException, DocumentException {
    File file = ((JavaIOItem) leaf).getBasefile();
    LimitedContentWriter writer = new LimitedContentWriter(100000, FileDocumentFactory.getMaxFileSize());
    try (ZipFile wordFile = new ZipFile(file)) {
        List<String> contents = new ArrayList<>();
        for (Enumeration<? extends ZipEntry> entriesEnumeration = wordFile.entries(); entriesEnumeration.hasMoreElements(); ) {
            ZipEntry entry = entriesEnumeration.nextElement();
            String name = entry.getName();
            if (name.startsWith(SLIDE) && name.endsWith(".xml")) {
                contents.add(name);
            }
        }
        if (contents.size() > 1) {
            Collections.sort(contents, new PowerPointDocumentComparator());
        }
        for (String content : contents) {
            if (writer.accept()) {
                ZipEntry entry = wordFile.getEntry(content);
                InputStream zip = wordFile.getInputStream(entry);
                OfficeDocumentHandler dh = new OfficeDocumentHandler(writer);
                parse(new ShieldInputStream(zip), dh);
                zip.close();
            }
        }
    } catch (DocumentException e) {
        throw e;
    } catch (Exception e) {
        throw new DocumentException(e.getMessage());
    }
    return new FileContent(writer.toString());
}

Example 17 with LimitedContentWriter

use of org.olat.core.util.io.LimitedContentWriter in project openolat by klemens.

the class TextDocument method readContent.

@Override
protected FileContent readContent(VFSLeaf leaf) throws IOException {
    InputStreamReader in = new InputStreamReader(leaf.getInputStream());
    LimitedContentWriter out = new LimitedContentWriter((int) leaf.getSize(), FileDocumentFactory.getMaxFileSize());
    try {
        copy(in, out);
    } catch (Exception e) {
        log.error("", e);
    }
    return new FileContent(out.toString());
}

Example 18 with LimitedContentWriter

use of org.olat.core.util.io.LimitedContentWriter in project openolat by klemens.

the class WordOOXMLDocument method readContent.

@Override
public FileContent readContent(VFSLeaf leaf) throws IOException, DocumentException {
    File file = ((JavaIOItem) leaf).getBasefile();
    LimitedContentWriter writer = new LimitedContentWriter(100000, FileDocumentFactory.getMaxFileSize());
    try (ZipFile wordFile = new ZipFile(file)) {
        List<String> contents = new ArrayList<>();
        for (Enumeration<? extends ZipEntry> entriesEnumeration = wordFile.entries(); entriesEnumeration.hasMoreElements(); ) {
            ZipEntry entry = entriesEnumeration.nextElement();
            String name = entry.getName();
            if (name.endsWith("word/document.xml")) {
                contents.add(name);
            } else if (name.startsWith(HEADER) && name.endsWith(".xml")) {
                contents.add(name);
            } else if (name.startsWith(FOOTER) && name.endsWith(".xml")) {
                contents.add(name);
            }
        }
        if (contents.size() > 1) {
            Collections.sort(contents, new WordDocumentComparator());
        }
        for (String content : contents) {
            if (writer.accept()) {
                ZipEntry entry = wordFile.getEntry(content);
                InputStream zip = wordFile.getInputStream(entry);
                OfficeDocumentHandler dh = new OfficeDocumentHandler(writer);
                parse(new ShieldInputStream(zip), dh);
                zip.close();
            }
        }
    } catch (DocumentException e) {
        throw e;
    } catch (Exception e) {
        throw new DocumentException(e.getMessage());
    }
    return new FileContent(writer.toString());
}