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minor changes to content negotiation for sparql servlet VIVO-282

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This commit is contained in:
Brian Caruso 2013-09-23 11:44:32 -04:00
parent dbf6f18e35
commit cc95211afc
1 changed files with 33 additions and 23 deletions
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56
webapp/src/edu/cornell/mannlib/vitro/webapp/controller/SparqlQueryServlet.java
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@ -63,34 +63,18 @@ import edu.cornell.mannlib.vitro.webapp.web.ContentType;
*/
public class SparqlQueryServlet extends BaseEditController {
private static final Log log = LogFactory.getLog(SparqlQueryServlet.class.getName());
private final static boolean CONVERT = true;
/**
* format configurations for SELECT queries.
*/
protected static HashMap<String,RSFormatConfig> rsFormats = new HashMap<String,RSFormatConfig>();
private static RSFormatConfig[] rsfs = {
new RSFormatConfig( "RS_XML", !CONVERT, ResultFormat.XML, null, "text/xml"),
new RSFormatConfig( "RS_TEXT", !CONVERT, ResultFormat.TEXT, null, "text/plain"),
new RSFormatConfig( "vitro:csv", !CONVERT, ResultFormat.CSV, null, "text/csv"),
new RSFormatConfig( "RS_JSON", !CONVERT, ResultFormat.JSON, null, "application/javascript") };
/**
* format configurations for CONSTRUCT/DESCRIBE queries.
*/
protected static HashMap<String,ModelFormatConfig> modelFormats =
new HashMap<String,ModelFormatConfig>();
private static ModelFormatConfig[] fmts = {
new ModelFormatConfig("RDF/XML", !CONVERT, ModelSerializationFormat.RDFXML, null, "application/rdf+xml" ),
new ModelFormatConfig("RDF/XML-ABBREV", CONVERT, ModelSerializationFormat.N3, "RDF/XML-ABBREV", "application/rdf+xml" ),
new ModelFormatConfig("N3", !CONVERT, ModelSerializationFormat.N3, null, "text/n3" ),
new ModelFormatConfig("N-TRIPLE", !CONVERT, ModelSerializationFormat.NTRIPLE, null, "text/plain" ),
new ModelFormatConfig("TTL", CONVERT, ModelSerializationFormat.N3, "TTL", "application/x-turtle" ),
new ModelFormatConfig("JSON-LD", CONVERT, ModelSerializationFormat.N3, "JSON-LD", "application/javascript" ) };
/**
* Use this map to decide which MIME type is suited for the "accept" header.
*/
@ -194,12 +178,7 @@ public class SparqlQueryServlet extends BaseEditController {
ResultSet rs = ResultSetFactory.fromJSON( results );
OutputStream out = response.getOutputStream();
ResultSetFormatter.output(out, rs, formatConf.jenaResponseFormat);
// } else {
// Writer out = response.getWriter();
// toCsv(out, results);
//}
ResultSetFormatter.output(out, rs, formatConf.jenaResponseFormat);
}
} catch (RDFServiceException e) {
throw new ServletException("Cannot get result from the RDFService",e);
@ -367,12 +346,32 @@ public class SparqlQueryServlet extends BaseEditController {
rd.forward(req,res);
}
/** Simple boolean vaule to improve the legibility of confiugrations. */
private final static boolean CONVERT = true;
/** Simple vaule to improve the legibility of confiugrations. */
private final static String NO_CONVERSION = null;
public static class FormatConfig{
public String valueFromForm;
public boolean converstionFromWireFormat;
public String responseMimeType;
}
private static ModelFormatConfig[] fmts = {
new ModelFormatConfig("RDF/XML",
!CONVERT, ModelSerializationFormat.RDFXML, NO_CONVERSION, "application/rdf+xml" ),
new ModelFormatConfig("RDF/XML-ABBREV",
CONVERT, ModelSerializationFormat.N3, "RDF/XML-ABBREV", "application/rdf+xml" ),
new ModelFormatConfig("N3",
!CONVERT, ModelSerializationFormat.N3, NO_CONVERSION, "text/n3" ),
new ModelFormatConfig("N-TRIPLE",
!CONVERT, ModelSerializationFormat.NTRIPLE, NO_CONVERSION, "text/plain" ),
new ModelFormatConfig("TTL",
CONVERT, ModelSerializationFormat.N3, "TTL", "application/x-turtle" ),
new ModelFormatConfig("JSON-LD",
CONVERT, ModelSerializationFormat.N3, "JSON-LD", "application/javascript" ) };
public static class ModelFormatConfig extends FormatConfig{
public RDFService.ModelSerializationFormat wireFormat;
public String jenaResponseFormat;
@ -390,6 +389,17 @@ public class SparqlQueryServlet extends BaseEditController {
}
}
private static RSFormatConfig[] rsfs = {
new RSFormatConfig( "RS_XML",
!CONVERT, ResultFormat.XML, null, "text/xml"),
new RSFormatConfig( "RS_TEXT",
!CONVERT, ResultFormat.TEXT, null, "text/plain"),
new RSFormatConfig( "vitro:csv",
!CONVERT, ResultFormat.CSV, null, "text/csv"),
new RSFormatConfig( "RS_JSON",
!CONVERT, ResultFormat.JSON, null, "application/javascript") };
public static class RSFormatConfig extends FormatConfig{
public ResultFormat wireFormat;
public ResultSetFormat jenaResponseFormat;