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org.hl7.fhir.utilities.xhtml.CDANarrativeFormat Maven / Gradle / Ivy
package org.hl7.fhir.utilities.xhtml;
/*
Copyright (c) 2011+, HL7, Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
* Neither the name of HL7 nor the names of its contributors may be used to
endorse or promote products derived from this software without specific
prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
*/
import java.io.IOException;
import org.apache.commons.lang3.StringUtils;
import org.hl7.fhir.exceptions.FHIRException;
import org.hl7.fhir.utilities.xml.IXMLWriter;
import org.hl7.fhir.utilities.xml.XMLUtil;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
public class CDANarrativeFormat {
/**
* for a CDA narrative, return the matching XHTML.
*
* For further information, see http://wiki.hl7.org/index.php?title=CDA_Narrative_to_html_mapping
*
* @param ed
* @return
* @throws FHIRException
*/
public XhtmlNode convert(Element ed) throws FHIRException {
XhtmlNode div = new XhtmlNode(NodeType.Element, "div");
div.setAttribute("xmlns", XhtmlNode.XMLNS);
processAttributes(ed, div, "ID", "language", "styleCode");
processChildren(ed, div);
return div;
}
private void processChildren(Element ed, XhtmlNode x) throws FHIRException {
for (Node n : XMLUtil.children(ed))
processChildNode(n, x);
}
private void processChildNode(Node n, XhtmlNode xn) throws FHIRException {
switch (n.getNodeType()) {
case Node.ATTRIBUTE_NODE:
case Node.CDATA_SECTION_NODE:
case Node.DOCUMENT_FRAGMENT_NODE:
case Node.DOCUMENT_TYPE_NODE:
case Node.DOCUMENT_NODE:
case Node.ENTITY_NODE:
case Node.PROCESSING_INSTRUCTION_NODE:
case Node.NOTATION_NODE:
return;
case Node.ENTITY_REFERENCE_NODE:
throw new Error("Not handled yet");
case Node.COMMENT_NODE:
xn.addComment(n.getTextContent());
return;
case Node.TEXT_NODE:
if (!StringUtils.isWhitespace(n.getTextContent()))
xn.addText(n.getTextContent());
return;
case Node.ELEMENT_NODE:
Element e = (Element) n;
if (n.getNodeName().equals("br"))
processBreak(e, xn);
else if (n.getNodeName().equals("caption"))
processCaption(e, xn);
else if (n.getNodeName().equals("col"))
processCol(e, xn);
else if (n.getNodeName().equals("colgroup"))
processColGroup(e, xn);
else if (n.getNodeName().equals("content"))
processContent(e, xn);
else if (n.getNodeName().equals("footnote"))
processFootNote(e, xn);
else if (n.getNodeName().equals("footnoteRef"))
processFootNodeRef(e, xn);
else if (n.getNodeName().equals("item"))
processItem(e, xn);
else if (n.getNodeName().equals("linkHtml"))
processlinkHtml(e, xn);
else if (n.getNodeName().equals("list"))
processList(e, xn);
else if (n.getNodeName().equals("paragraph"))
processParagraph(e, xn);
else if (n.getNodeName().equals("renderMultiMedia"))
processRenderMultiMedia(e, xn);
else if (n.getNodeName().equals("sub"))
processSub(e, xn);
else if (n.getNodeName().equals("sup"))
processSup(e, xn);
else if (n.getNodeName().equals("table"))
processTable(e, xn);
else if (n.getNodeName().equals("tbody"))
processTBody(e, xn);
else if (n.getNodeName().equals("td"))
processTd(e, xn);
else if (n.getNodeName().equals("tfoot"))
processTFoot(e, xn);
else if (n.getNodeName().equals("th"))
processTh(e, xn);
else if (n.getNodeName().equals("thead"))
processTHead(e, xn);
else if (n.getNodeName().equals("tr"))
processTr(e, xn);
else
throw new FHIRException("Unknown element "+n.getNodeName());
}
}
private void processBreak(Element e, XhtmlNode xn) {
xn.addTag("br");
}
private void processCaption(Element e, XhtmlNode xn) throws FHIRException {
XhtmlNode xc = xn.addTag("h2");
processAttributes(e, xc, "ID", "language", "styleCode");
processChildren(e, xc);
}
private void processCol(Element e, XhtmlNode xn) throws FHIRException {
XhtmlNode xc = xn.addTag("col");
processAttributes(e, xc, "ID", "language", "styleCode", "span", "width", "align", "char", "charoff", "valign");
processChildren(e, xc);
}
private void processColGroup(Element e, XhtmlNode xn) throws FHIRException {
XhtmlNode xc = xn.addTag("colgroup");
processAttributes(e, xc, "ID", "language", "styleCode", "span", "width", "align", "char", "charoff", "valign");
processChildren(e, xc);
}
private void processContent(Element e, XhtmlNode xn) throws FHIRException {
XhtmlNode xc = xn.addTag("span");
processAttributes(e, xc, "ID", "language", "styleCode");
// todo: do something with revised..., "revised"
processChildren(e, xc);
}
private void processFootNote(Element e, XhtmlNode xn) {
XhtmlNode xc = xn.addTag("tfoot");
processAttributes(e, xc, "ID", "language", "styleCode", "align", "char", "charoff", "valign");
processChildren(e, xc);
}
private void processFootNodeRef(Element e, XhtmlNode xn) {
throw new Error("element "+e.getNodeName()+" not handled yet");
}
private void processItem(Element e, XhtmlNode xn) throws FHIRException {
XhtmlNode xc = xn.addTag("li");
processAttributes(e, xc, "ID", "language", "styleCode");
processChildren(e, xc);
}
private void processlinkHtml(Element e, XhtmlNode xn) throws FHIRException {
XhtmlNode xc = xn.addTag("a");
processAttributes(e, xc, "name", "href", "rel", "rev", "title", "ID", "language", "styleCode");
processChildren(e, xc);
}
private void processList(Element e, XhtmlNode xn) throws FHIRException {
String lt = e.getAttribute("listType");
XhtmlNode xc = xn.addTag("ordered".equals(lt) ? "ol" : "ul");
processAttributes(e, xc, "ID", "language", "styleCode");
processChildren(e, xc);
}
private void processParagraph(Element e, XhtmlNode xn) throws FHIRException {
XhtmlNode xc = xn.addTag("p");
processAttributes(e, xc, "ID", "language", "styleCode");
processChildren(e, xc);
}
private void processRenderMultiMedia(Element e, XhtmlNode xn) throws FHIRException {
XhtmlNode xc = xn.addTag("img");
String v = e.getAttribute("referencedObject");
xc.attribute("src", v);
processAttributes(e, xc, "ID", "language", "styleCode");
processChildren(e, xc);
}
private void processSub(Element e, XhtmlNode xn) throws FHIRException {
XhtmlNode xc = xn.addTag("sub");
processChildren(e, xc);
}
private void processSup(Element e, XhtmlNode xn) throws FHIRException {
XhtmlNode xc = xn.addTag("sup");
processChildren(e, xc);
}
private void processTable(Element e, XhtmlNode xn) throws FHIRException {
XhtmlNode xc = xn.addTag("table");
processAttributes(e, xc, "ID", "language", "styleCode", "summary", "width", "border", "frame", "rules", "cellspacing", "cellpadding");
processChildren(e, xc);
}
private void processTBody(Element e, XhtmlNode xn) throws FHIRException {
XhtmlNode xc = xn.addTag("tbody");
processAttributes(e, xc, "ID", "language", "styleCode", "align", "char", "charoff", "valign");
processChildren(e, xc);
}
private void processTd(Element e, XhtmlNode xn) throws FHIRException {
XhtmlNode xc = xn.addTag("td");
processAttributes(e, xc, "ID", "language", "styleCode", "abbr", "axis", "headers", "scope", "rowspan", "colspan", "align", "char", "charoff", "valign");
processChildren(e, xc);
}
private void processTFoot(Element e, XhtmlNode xn) {
XhtmlNode xc = xn.addTag("tfoot");
processAttributes(e, xc, "ID", "language", "styleCode", "align", "char", "charoff", "valign");
processChildren(e, xc);
}
private void processTh(Element e, XhtmlNode xn) throws FHIRException {
XhtmlNode xc = xn.addTag("th");
processAttributes(e, xc, "ID", "language", "styleCode", "abbr", "axis", "headers", "scope", "rowspan", "colspan", "align", "char", "charoff", "valign");
processChildren(e, xc);
}
private void processTHead(Element e, XhtmlNode xn) throws FHIRException {
XhtmlNode xc = xn.addTag("thead");
processAttributes(e, xc, "ID", "language", "styleCode", "align", "char", "charoff", "valign");
processChildren(e, xc);
}
private void processTr(Element e, XhtmlNode xn) throws FHIRException {
XhtmlNode xc = xn.addTag("tr");
processAttributes(e, xc, "ID", "language", "styleCode", "align", "char", "charoff", "valign");
processChildren(e, xc);
}
private void processAttributes(Element element, XhtmlNode xn, String... names) {
for (String n : names) {
if (element.hasAttribute(n)) {
String v = element.getAttribute(n);
switch(n) {
case "ID":
xn.attribute("id", v);
break;
case "styleCode":
String style = v;
switch(v) {
// according Table 15.2 CSS rendering, The CDAtm book, Keith W. Boone
case "Bold":
style = "font-weight: bold";
break;
case "Underline":
style = "text-decoration: underline";
break;
case "Italics":
style = "font-style: italic";
break;
case "Emphasis":
style = "font-weight: small-caps";
break;
case "Lrule":
style = "border-left: 1px";
break;
case "Rrule":
style = "border-right: 1px";
break;
case "Toprule":
style = "border-top: 1px";
break;
case "Botrule":
style = "border-bottom: 1px";
break;
case "Arabic":
style = "list-style-type: decimal";
break;
case "LittleRoman":
style = "list-style-type: lower-roman";
break;
case "BigRoman":
style = "list-style-type: upper-roman";
break;
case "LittleAlpha":
style = "list-style-type: lower-alpha";
break;
case "BigAlpha":
style = "list-style-type: upper-alpha";
break;
case "Disc":
style = "list-style-type: disc";
break;
case "Circle":
style = "list-style-type: circle";
break;
case "Square":
style = "list-style-type: square";
break;
}
xn.attribute("style", style);
break;
default:
xn.attribute(n, v);
}
}
}
}
/**
* For XHTML return the matching CDA narrative. This is only guaranteed to work for XML produced from CDA, but will try whatever
* @param node
* @return
* @throws IOException
* @throws FHIRException
*/
public void convert(IXMLWriter xml, XhtmlNode div) throws IOException, FHIRException {
processAttributes(div, xml, "ID", "language", "styleCode");
xml.enter("text");
processChildren(xml, div);
xml.exit("text");
}
private void processChildren(IXMLWriter xml, XhtmlNode x) throws IOException, FHIRException {
for (XhtmlNode n : x.getChildNodes())
processChildNode(xml, n);
}
private void processChildNode(IXMLWriter xml, XhtmlNode n) throws IOException, FHIRException {
switch (n.getNodeType()) {
case DocType:
case Document:
case Instruction:
return;
case Comment:
xml.comment(n.getContent(), true);
return;
case Text:
xml.text(n.getContent());
return;
case Element:
if (n.getName().equals("br"))
processBreak(xml, n);
else if (n.getName().equals("h2"))
processCaption(xml, n);
else if (n.getName().equals("col"))
processCol(xml, n);
else if (n.getName().equals("colgroup"))
processColGroup(xml, n);
else if (n.getName().equals("span"))
processContent(xml, n);
else if (n.getName().equals("footnote"))
processFootNote(xml, n);
else if (n.getName().equals("footnoteRef"))
processFootNodeRef(xml, n);
else if (n.getName().equals("li"))
processItem(xml, n);
else if (n.getName().equals("linkHtml"))
processlinkHtml(xml, n);
else if (n.getName().equals("ul") || n.getName().equals("ol"))
processList(xml, n);
else if (n.getName().equals("p"))
processParagraph(xml, n);
else if (n.getName().equals("img"))
processRenderMultiMedia(xml, n);
else if (n.getName().equals("sub"))
processSub(xml, n);
else if (n.getName().equals("sup"))
processSup(xml, n);
else if (n.getName().equals("table"))
processTable(xml, n);
else if (n.getName().equals("tbody"))
processTBody(xml, n);
else if (n.getName().equals("td"))
processTd(xml, n);
else if (n.getName().equals("tfoot"))
processTFoot(xml, n);
else if (n.getName().equals("th"))
processTh(xml, n);
else if (n.getName().equals("thead"))
processTHead(xml, n);
else if (n.getName().equals("tr"))
processTr(xml, n);
else
throw new FHIRException("Unknown element "+n.getName());
}
}
private void processBreak(IXMLWriter xml, XhtmlNode n) throws IOException {
xml.element("br");
}
private void processCaption(IXMLWriter xml, XhtmlNode n) throws IOException, FHIRException {
processAttributes(n, xml, "id", "language", "styleCode");
xml.enter("caption");
processChildren(xml, n);
xml.exit("caption");
}
private void processCol(IXMLWriter xml, XhtmlNode n) throws IOException, FHIRException {
processAttributes(n, xml, "id", "language", "styleCode", "span", "width", "align", "char", "charoff", "valign");
xml.enter("col");
processChildren(xml, n);
xml.exit("col");
}
private void processColGroup(IXMLWriter xml, XhtmlNode n) throws IOException, FHIRException {
processAttributes(n, xml, "id", "language", "styleCode", "span", "width", "align", "char", "charoff", "valign");
xml.enter("colgroup");
processChildren(xml, n);
xml.exit("colgroup");
}
private void processContent(IXMLWriter xml, XhtmlNode n) throws IOException, FHIRException {
processAttributes(n, xml, "id", "language", "styleCode");
xml.enter("content");
// todo: do something with revised..., "revised"
processChildren(xml, n);
xml.exit("content");
}
private void processFootNote(IXMLWriter xml, XhtmlNode n) {
throw new Error("element "+n.getName()+" not handled yet");
}
private void processFootNodeRef(IXMLWriter xml, XhtmlNode n) {
throw new Error("element "+n.getName()+" not handled yet");
}
private void processItem(IXMLWriter xml, XhtmlNode n) throws IOException, FHIRException {
processAttributes(n, xml, "id", "language", "styleCode");
xml.enter("item");
processChildren(xml, n);
xml.exit("item");
}
private void processlinkHtml(IXMLWriter xml, XhtmlNode n) throws IOException, FHIRException {
String v = n.getAttribute("src");
xml.attribute("referencedObject", v);
processAttributes(n, xml, "name", "href", "rel", "rev", "title", "id", "language", "styleCode");
xml.enter("linkHtml");
processChildren(xml, n);
xml.exit("linkHtml");
}
private void processList(IXMLWriter xml, XhtmlNode n) throws IOException, FHIRException {
if (n.getName().equals("ol"))
xml.attribute("listType", "ordered");
else
xml.attribute("listType", "unordered");
processAttributes(n, xml, "id", "language", "styleCode");
xml.enter("list");
processChildren(xml, n);
xml.exit("list");
}
private void processParagraph(IXMLWriter xml, XhtmlNode n) throws IOException, FHIRException {
processAttributes(n, xml, "id", "language", "styleCode");
xml.enter("paragraph");
processChildren(xml, n);
xml.exit("paragraph");
}
private void processRenderMultiMedia(IXMLWriter xml, XhtmlNode n) throws IOException, FHIRException {
String v = n.getAttribute("src");
xml.attribute("referencedObject", v);
processAttributes(n, xml, "id", "language", "styleCode");
xml.enter("renderMultiMedia");
processChildren(xml, n);
xml.exit("renderMultiMedia");
}
private void processSub(IXMLWriter xml, XhtmlNode n) throws IOException, FHIRException {
xml.enter("sub");
processChildren(xml, n);
xml.exit("sub");
}
private void processSup(IXMLWriter xml, XhtmlNode n) throws IOException, FHIRException {
xml.enter("sup");
processChildren(xml, n);
xml.exit("sup");
}
private void processTable(IXMLWriter xml, XhtmlNode n) throws IOException, FHIRException {
processAttributes(n, xml, "id", "language", "styleCode", "summary", "width", "border", "frame", "rules", "cellspacing", "cellpadding");
xml.enter("table");
processChildren(xml, n);
xml.exit("table");
}
private void processTBody(IXMLWriter xml, XhtmlNode n) throws IOException, FHIRException {
processAttributes(n, xml, "id", "language", "styleCode", "align", "char", "charoff", "valign");
xml.enter("tbody");
processChildren(xml, n);
xml.exit("tbody");
}
private void processTd(IXMLWriter xml, XhtmlNode n) throws IOException, FHIRException {
processAttributes(n, xml, "id", "language", "styleCode", "abbr", "axis", "headers", "scope", "rowspan", "colspan", "align", "char", "charoff", "valign");
xml.enter("td");
processChildren(xml, n);
xml.exit("td");
}
private void processTFoot(IXMLWriter xml, XhtmlNode n) throws IOException, FHIRException {
processAttributes(n, xml, "id", "language", "styleCode", "align", "char", "charoff", "valign");
xml.enter("tfoot");
processChildren(xml, n);
xml.exit("tfoot");
}
private void processTh(IXMLWriter xml, XhtmlNode n) throws IOException, FHIRException {
processAttributes(n, xml, "id", "language", "styleCode", "abbr", "axis", "headers", "scope", "rowspan", "colspan", "align", "char", "charoff", "valign");
xml.enter("th");
processChildren(xml, n);
xml.exit("th");
}
private void processTHead(IXMLWriter xml, XhtmlNode n) throws IOException, FHIRException {
processAttributes(n, xml, "id", "language", "styleCode", "align", "char", "charoff", "valign");
xml.enter("thead");
processChildren(xml, n);
xml.exit("thead");
}
private void processTr(IXMLWriter xml, XhtmlNode n) throws IOException, FHIRException {
processAttributes(n, xml, "id", "language", "styleCode", "align", "char", "charoff", "valign");
xml.enter("tr");
processChildren(xml, n);
xml.exit("tr");
}
private void processAttributes(XhtmlNode xn, IXMLWriter xml, String... names) throws IOException {
for (String n : names) {
if (xn.hasAttribute(n)) {
String v = xn.getAttribute(n);
switch(n) {
case "id":
xml.attribute("ID", v);
break;
case "style":
String style = v;
switch(v) {
// according Table 15.2 CSS rendering, The CDAtm book, Keith W. Boone, will not cover everything, just reverse of processAttributes
case "font-weight: bold":
style = "Bold";
break;
case "text-decoration: underline":
style = "Underline";
break;
case "font-style: italic":
style = "Italics";
break;
case "font-weight: small-caps":
style = "Emphasis";
break;
case "border-left: 1px":
style = "Lrule";
break;
case "border-right: 1px":
style = "Rrule";
break;
case "border-top: 1px":
style = "Toprule";
break;
case "border-bottom: 1px":
style = "Botrule";
break;
case "List-style-type: decimal":
style = "Arabic";
break;
case "list-style-type: lower-roman":
style = "LittleRoman";
break;
case "list-style-type: upper-roman":
style = "BigRoman";
break;
case "list-style-type: lower-alpha":
style = "LittleAlpha";
break;
case "list-style-type: upper-alpha":
style = "BigAlpha";
break;
case "list-style-type: disc":
style = "Disc";
break;
case "list-style-type: circle":
style = "Circle";
break;
case "list-style-type: square":
style = "Square";
break;
}
xml.attribute("styleCode", style);
break;
default:
xml.attribute(n, v);
}
}
}
}
}
