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package org.zwobble.mammoth;
import com.google.common.base.Joiner;
import org.zwobble.mammoth.documents.*;
import org.zwobble.mammoth.docx.*;
import org.zwobble.mammoth.results.Result;
import org.zwobble.mammoth.xml.XmlElement;
import java.io.File;
import java.io.IOException;
import java.util.zip.ZipFile;
import static com.google.common.collect.Iterables.transform;
public class Mammoth {
public static Result<String> convertToHtml(File file) {
try (DocxFile zipFile = new ZippedDocxFile(new ZipFile(file))) {
XmlElement documentXml = OfficeXml.parseXml(zipFile.getInputStream("word/document.xml"));
Styles styles = Styles.EMPTY;
Numbering numbering = Numbering.EMPTY;
Relationships relationships = Relationships.EMPTY;
ContentTypes contentTypes = ContentTypes.DEFAULT;
DocumentXmlReader reader = new DocumentXmlReader(new BodyXmlReader(
styles,
numbering,
relationships,
contentTypes,
zipFile));
return reader.readElement(documentXml)
.map(Mammoth::convertToHtml);
} catch (IOException e) {
throw new UnsupportedOperationException("Should return a result of failure");
}
}
private static String convertToHtml(Document document) {
return convertChildrenToHtml(document);
}
private static String convertChildrenToHtml(HasChildren element) {
return Joiner.on("").join(transform(
element.getChildren(),
Mammoth::convertToHtml));
}
private static String convertToHtml(DocumentElement element) {
return element.accept(new DocumentElementVisitor<String>() {
@Override
public String visit(Paragraph paragraph) {
String content = convertChildrenToHtml(paragraph);
if (content.isEmpty()) {
return "";
} else {
return "<p>" + content + "</p>";
}
}
@Override
public String visit(Run run) {
return convertChildrenToHtml(run);
}
@Override
public String visit(Text text) {
return text.getValue();
}
@Override
public String visit(Tab tab) {
throw new UnsupportedOperationException();
}
@Override
public String visit(LineBreak lineBreak) {
throw new UnsupportedOperationException();
}
@Override
public String visit(Table table) {
throw new UnsupportedOperationException();
}
@Override
public String visit(TableRow tableRow) {
throw new UnsupportedOperationException();
}
@Override
public String visit(TableCell tableCell) {
throw new UnsupportedOperationException();
}
@Override
public String visit(Hyperlink hyperlink) {
throw new UnsupportedOperationException();
}
@Override
public String visit(Bookmark bookmark) {
throw new UnsupportedOperationException();
}
@Override
public String visit(NoteReference noteReference) {
throw new UnsupportedOperationException();
}
@Override
public String visit(Image image) {
throw new UnsupportedOperationException();
}
});
}
}
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