public class OpenXMLFormats2PDFViaITextConverter extends AbstractConverterEntriesSupport {
private static final OpenXMLFormats2PDFViaITextConverter INSTANCE =
new OpenXMLFormats2PDFViaITextConverter();
/** Logger for this class */
private static final Logger LOGGER =
LogUtils.getLogger(OpenXMLFormats2PDFViaITextConverter.class.getName());
public static OpenXMLFormats2PDFViaITextConverter getInstance() {
return INSTANCE;
}
// @Override
public void convert(final IEntryInputStreamProvider inProvider, OutputStream out, Options options)
throws XDocConverterException {
try {
org.apache.poi.xwpf.converter.core.openxmlformats.IOpenXMLFormatsPartProvider provider =
new AbstractOpenXMLFormatsPartProvider() {
public InputStream getEntryInputStream(String entryName) {
return inProvider.getEntryInputStream(entryName);
}
};
FastPdfConverter.getInstance().convert(provider, out, toPdfOptions(options));
} catch (Exception e) {
LOGGER.severe(e.getMessage());
throw new XDocConverterException(e);
}
}
public PdfOptions toPdfOptions(Options options) {
if (options == null) {
return null;
}
Object value = options.getSubOptions(PdfOptions.class);
if (value instanceof PdfOptions) {
return (PdfOptions) value;
}
PdfOptions pdfOptions = PdfOptions.create();
// Populate font encoding
String fontEncoding = OptionsHelper.getFontEncoding(options);
if (StringUtils.isNotEmpty(fontEncoding)) {
pdfOptions.fontEncoding(fontEncoding);
}
return pdfOptions;
}
public MimeMapping getMimeMapping() {
return MimeMappingConstants.PDF_MIME_MAPPING;
}
}
public class XWPF2PDFViaITextConverter extends AbstractConverterNoEntriesSupport {
private static final XWPF2PDFViaITextConverter INSTANCE = new XWPF2PDFViaITextConverter();
/** Logger for this class */
private static final Logger LOGGER =
LogUtils.getLogger(XWPF2PDFViaITextConverter.class.getName());
public static XWPF2PDFViaITextConverter getInstance() {
return INSTANCE;
}
public void convert(InputStream in, OutputStream out, Options options)
throws XDocConverterException {
try {
XWPFDocument document = new XWPFDocument(in);
PdfConverter.getInstance().convert(document, out, toPdfOptions(options));
} catch (Exception e) {
LOGGER.severe(e.getMessage());
throw new XDocConverterException(e);
}
}
public PdfOptions toPdfOptions(Options options) {
if (options == null) {
return null;
}
Object value = options.getSubOptions(PdfOptions.class);
if (value instanceof PdfOptions) {
return (PdfOptions) value;
}
PdfOptions pdfOptions = PdfOptions.create();
// Populate font encoding
String fontEncoding = OptionsHelper.getFontEncoding(options);
if (StringUtils.isNotEmpty(fontEncoding)) {
pdfOptions.fontEncoding(fontEncoding);
}
return pdfOptions;
}
public MimeMapping getMimeMapping() {
return MimeMappingConstants.PDF_MIME_MAPPING;
}
@Override
public boolean isDefault() {
return true;
}
}
/**
* HTML text styling transformer to transform HTML to another document kind (odt, docx, etc) syntax.
* The ODT, DOCX is represented with the given {@link IDocumentHandler}.
*/
public class HTMLTextStylingTransformer extends AbstractTextStylingTransformer {
public static final ITextStylingTransformer INSTANCE = new HTMLTextStylingTransformer();
private static final String START_XML =
"<?xml version=\"1.0\" ?>"
+ StringEscapeUtils.Entities.HTML40.generateDocType("entities")
+ "<root>";
private static final String END_XML = "</root>";
/** Logger for this class */
private static final Logger LOGGER =
LogUtils.getLogger(HTMLTextStylingTransformer.class.getName());
private static final String[] searchList = {"\r", "\n", "\t", " "};
private static final String[] replacementList = {"", "", "", " "};
@Override
protected void doTransform(String content, IDocumentHandler documentHandler) throws Exception {
// pre-process content : can be used to integrate a markup based html generator like markdown
content = generateXhtmlFromContent(content);
// remove special characters \n, \r
String xml = StringUtils.replaceEach(content, searchList, replacementList);
// add root element if xml doesn't contain xml root element.
xml = new StringBuilder(START_XML).append(xml).append(END_XML).toString();
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine(xml);
}
XMLReader xmlReader = XMLReaderFactory.createXMLReader();
xmlReader.setContentHandler(new HTMLTextStylingContentHandler(documentHandler));
xmlReader.parse(new InputSource(new StringReader(xml)));
}
protected String generateXhtmlFromContent(String content) throws Exception {
return content;
}
}
