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Commit 244645a7 authored by Thorsten Vitt's avatar Thorsten Vitt
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[HTML] embedded=true only returns the HTML body's contents. 

Fails if the stylesheet doesn't output XHTML. The children
of the <body> element are wrapped in a <div class="body">,
no XML declaration is included.
parent 2db8dd02
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src/main/java/info/textgrid/services/aggregator/html/HTML.java
+ 29
− 17
View file @ 244645a7
......@@ -50,8 +50,8 @@
@Description("Creates an HTML representation of the given TEI document, or aggregation of TEI documents. This is currently extremely experimental and probably broken.")
public class HTML {
private static final String TO_HTML_XSL = "/WEB-INF/stylesheets/db2xhtml.xsl";
private static final String EXTRACT_BODY_XSL = "/WEB-INF/stylesheets/extractbody.xsl";
ITextGridRep repository = TextGridRepProvider.getInstance();
......@@ -59,6 +59,8 @@ public class HTML {
.getLogger("info.textgrid.services.aggregator.html.HTML");
private XsltExecutable toHtml;
private XsltExecutable extractBody;
final Processor xsltProcessor;
@Context
......@@ -83,6 +85,22 @@ XsltExecutable getToHtml() {
return toHtml;
}
XsltExecutable getExtractBody() {
if (extractBody == null) {
try {
URL stylesheet;
stylesheet = servlet.getResource(EXTRACT_BODY_XSL);
extractBody = xsltProcessor.newXsltCompiler().compile(
new StreamSource(stylesheet.toString()));
} catch (final MalformedURLException e) {
throw new IllegalStateException(e);
} catch (final SaxonApiException e) {
throw new IllegalStateException(e);
}
}
return extractBody;
}
public HTML(final ITextGridRep repository) throws IOException {
this.repository = repository;
xsltProcessor = new Processor(false);
......@@ -102,8 +120,7 @@ public void onRemoval(
notification.getKey(),
notification.getCause()));
}
})
.build(new CacheLoader<URI, XsltExecutable>() {
}).build(new CacheLoader<URI, XsltExecutable>() {
@Override
public XsltExecutable load(final URI url) throws Exception {
......@@ -127,7 +144,7 @@ public XsltExecutable load(final URI url) throws Exception {
/**
* Returns an appropriate stylesheet for the given URI.
*
*
* Basically, we try the following options in order:
* <ol>
* <li>The stylesheet is cached -> return the cached version.
......@@ -135,7 +152,7 @@ public XsltExecutable load(final URI url) throws Exception {
* <li>The stylesheet is non-public TextGrid internal -> load & do not cache
* it.
* </ol>
*
*
* @param uri
* the URI of the stylesheet to load
* @param sid
......@@ -148,8 +165,8 @@ public XsltExecutable load(final URI url) throws Exception {
* if saxon fails to compile the stylesheet.
*/
protected XsltExecutable getStylesheet(final URI uri,
final Optional<String> sid,
final boolean forceLoad) throws SaxonApiException, IOException {
final Optional<String> sid, final boolean forceLoad)
throws SaxonApiException, IOException {
XsltExecutable executable = null;
// (1) try cached version, if it exists
......@@ -201,18 +218,13 @@ private static boolean isPublic(final ObjectType metadata) {
@Path(value = "/{object}")
@Produces(value = "text/xml")
public Response get(
@Description("The TextGrid URI of the TEI document or aggregation to transform")
@PathParam("object") final URI uri,
@Description("If given, an alternative XSLT stylesheet to use")
@QueryParam("stylesheet") final URI xsluri,
@Description("If true, check for an <?xsl-stylesheet?> processing instruction in the document to render")
@QueryParam("pi") final boolean pi,
@Description("The TextGrid URI of the TEI document or aggregation to transform") @PathParam("object") final URI uri,
@Description("If given, an alternative XSLT stylesheet to use") @QueryParam("stylesheet") final URI xsluri,
@Description("If true, check for an <?xsl-stylesheet?> processing instruction in the document to render") @QueryParam("pi") final boolean pi,
@Description("If true and a stylesheet has been given, force reloading the stylesheet, do not cache") @QueryParam("refreshStylesheet") final boolean refreshStylesheet,
@Description("Session ID to access protected resources")
@QueryParam("sid") final String sid,
@Description("Session ID to access protected resources") @QueryParam("sid") final String sid,
@Description("If true, pass the information the stylesheet that its result will be embedded into some website") @QueryParam("embedded") final boolean embedded,
@Description("URL of the CSS that should be referenced in the HTML that is created")
@QueryParam("css") final URI css,
@Description("URL of the CSS that should be referenced in the HTML that is created") @QueryParam("css") final URI css,
@Description("The requested content type. E.g., text/html or text/xml") @QueryParam("mediatype") final String mediaType,
@Context final Request request) throws ObjectNotFoundFault,
MetadataParseFault, IoFault, AuthFault,
......
src/main/java/info/textgrid/services/aggregator/html/HTMLWriter.java
+ 8
− 2
View file @ 244645a7
......@@ -319,8 +319,14 @@ public void write(final OutputStream out) throws IOException,
logger.log(Level.INFO, MessageFormat.format("Ready for transformation of {0} after {1}", rootURI, stopwatch.toString()));
final Serializer serializer = service.xsltProcessor
.newSerializer(out);
transformer
.setDestination(serializer);
if (embedded) {
final XsltTransformer extractBody = service.getExtractBody()
.load();
extractBody.setDestination(serializer);
transformer.setDestination(extractBody);
} else {
transformer.setDestination(serializer);
}
transformer.transform();
} catch (final Exception e) {
......
src/main/webapp/WEB-INF/stylesheets/extractbody.xsl 0 → 100644
+ 29
− 0
View file @ 244645a7
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:xs="http://www.w3.org/2001/XMLSchema"
xmlns="http://www.w3.org/1999/xhtml"
xpath-default-namespace="http://www.w3.org/1999/xhtml"
exclude-result-prefixes="xs"
version="2.0">
<!--
Extracts the contents of the body of an XHTML document and wraps it in a <div class="body">.
Used by the html export when embedded=true is specified.
-->
<xsl:output method="xhtml" omit-xml-declaration="yes"/>
<xsl:template match="/">
<xsl:choose>
<xsl:when test="//body">
<div class="body">
<xsl:copy-of select="//body/*"/>
</div>
</xsl:when>
<xsl:otherwise>
<xsl:copy-of select="/*"/>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
</xsl:stylesheet>
\ No newline at end of file
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