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package org.zwobble.mammoth.internal.docx;
import com.google.common.collect.ImmutableBiMap;
import com.google.common.collect.ImmutableList;
import org.zwobble.mammoth.internal.xml.XmlElement;
import org.zwobble.mammoth.internal.xml.XmlNode;
import org.zwobble.mammoth.internal.xml.XmlNodeVisitor;
import org.zwobble.mammoth.internal.xml.XmlTextNode;
import org.zwobble.mammoth.internal.xml.parsing.XmlParser;
import java.io.InputStream;
import java.util.List;
import static com.google.common.collect.Iterables.concat;
import static com.google.common.collect.Iterables.transform;
import static org.zwobble.mammoth.internal.util.MammothLists.list;
public class OfficeXml {
private static ImmutableBiMap<String, String> XML_NAMESPACES = ImmutableBiMap.<String, String>builder()
.put("w", "http://schemas.openxmlformats.org/wordprocessingml/2006/main")
.put("wp", "http://schemas.openxmlformats.org/drawingml/2006/wordprocessingDrawing")
.put("a", "http://schemas.openxmlformats.org/drawingml/2006/main")
.put("pic", "http://schemas.openxmlformats.org/drawingml/2006/picture")
.put("content-types", "http://schemas.openxmlformats.org/package/2006/content-types")
.put("r", "http://schemas.openxmlformats.org/officeDocument/2006/relationships")
.put("relationships", "http://schemas.openxmlformats.org/package/2006/relationships")
.put("v", "urn:schemas-microsoft-com:vml")
.put("mc", "http://schemas.openxmlformats.org/markup-compatibility/2006")
.put("office-word", "urn:schemas-microsoft-com:office:word")
.build();
public static XmlElement parseXml(InputStream inputStream) {
XmlParser parser = new XmlParser(XML_NAMESPACES);
return (XmlElement)collapseAlternateContent(parser.parseStream(inputStream)).get(0);
}
private static List<XmlNode> collapseAlternateContent(XmlNode node) {
return node.accept(new XmlNodeVisitor<List<XmlNode>>() {
@Override
public List<XmlNode> visit(XmlElement element) {
if (element.getName().equals("mc:AlternateContent")) {
return element.findChild("mc:Fallback").getChildren();
} else {
XmlElement collapsedElement = new XmlElement(
element.getName(),
element.getAttributes(),
ImmutableList.copyOf(concat(transform(element.children(), OfficeXml::collapseAlternateContent))));
return list(collapsedElement);
}
}
@Override
public List<XmlNode> visit(XmlTextNode textNode) {
return list(textNode);
}
});
}
}
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