Examples of at.newmedialab.ldpath.api.transformers.NodeTransformer

Package at.newmedialab.ldpath.api.transformers

Examples of at.newmedialab.ldpath.api.transformers.NodeTransformer

at.newmedialab.ldpath.api.transformers.NodeTransformer
Implementations of this interface allow to transform KiWiNode objects into the type T. This is currently required by the indexer to map KiWiNodes to the Java types corresponding to the respective XML Schema datatypes.
Author: Sebastian Schaffert

         *     than the lexical form is used and added as String to the 
         *     Entityhub.
         */
        Map<String,Collection<Object>> resultMap = (Map<String,Collection<Object>>)program.execute(backend, context);
        for(Entry<String,Collection<Object>> entry : resultMap.entrySet()){
            NodeTransformer fieldTransformer = program.getField(entry.getKey()).getTransformer();
            if(fieldTransformer == null || fieldTransformer instanceof IdentityTransformer<?>){
                //we need to convert the RDFBackend Node to an Representation object
                for(Object value : entry.getValue()){
                    if(backend.isURI(value)){
                        result.addReference(entry.getKey(), backend.stringValue(value));
                    } else if(backend.isLiteral(value)){ //literal
                        Locale locale = backend.getLiteralLanguage(value);
                        if(locale != null){ //text with language
                            String lang = locale.getLanguage();
                            result.addNaturalText(entry.getKey(), backend.stringValue(value), 
                                lang.isEmpty() ? null : lang);
                        } else { // no language
                            URI type = backend.getLiteralType(value);
                            if(type != null){ //typed literal -> need to transform
                                NodeTransformer nt = transformer.get(type.toString());
                                if(nt != null){ //add typed literal
                                    try {
                                        result.add(entry.getKey(), nt.transform(backend, value));
                                    } catch (RuntimeException e) {
                                       log.info("Unable to transform {} to dataType {} -> will use lexical form",value,type);
                                       result.add(entry.getKey(),backend.stringValue(value));
                                    }
                                } else { //no transformer

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         *     than the lexical form is used and added as String to the 
         *     Entityhub.
         */
        Map<String,Collection<Object>> resultMap = (Map<String,Collection<Object>>)program.execute(backend, context);
        for(Entry<String,Collection<Object>> entry : resultMap.entrySet()){
            NodeTransformer fieldTransformer = program.getField(entry.getKey()).getTransformer();
            if(fieldTransformer == null || fieldTransformer instanceof IdentityTransformer<?>){
                //we need to convert the RDFBackend Node to an Representation object
                for(Object value : entry.getValue()){
                    if(backend.isURI(value)){
                        result.addReference(entry.getKey(), backend.stringValue(value));
                    } else if(backend.isLiteral(value)){ //literal
                        Locale lang = backend.getLiteralLanguage(value);
                        if(lang != null){ //text with language
                            result.addNaturalText(entry.getKey(), backend.stringValue(value), lang.getLanguage());
                        } else { // no language
                            URI type = backend.getLiteralType(value);
                            if(type != null){ //typed literal -> need to transform
                                NodeTransformer nt = transformer.get(type.toString());
                                if(nt != null){ //add typed literal
                                    try {
                                        result.add(entry.getKey(), nt.transform(backend, value));
                                    } catch (RuntimeException e) {
                                       log.info("Unable to transform {} to dataType {} -> will use lexical form",value,type);
                                       result.add(entry.getKey(),backend.stringValue(value));
                                    }
                                } else { //no transformer

View Full Code Here

         *     than the lexical form is used and added as String to the 
         *     Entityhub.
         */
        Map<String,Collection<Object>> resultMap = (Map<String,Collection<Object>>)program.execute(backend, context);
        for(Entry<String,Collection<Object>> entry : resultMap.entrySet()){
            NodeTransformer fieldTransformer = program.getField(entry.getKey()).getTransformer();
            if(fieldTransformer == null || fieldTransformer instanceof IdentityTransformer<?>){
                //we need to convert the RDFBackend Node to an Representation object
                for(Object value : entry.getValue()){
                    if(backend.isURI(value)){
                        result.addReference(entry.getKey(), backend.stringValue(value));
                    } else if(backend.isLiteral(value)){ //literal
                        Locale lang = backend.getLiteralLanguage(value);
                        if(lang != null){ //text with language
                            result.addNaturalText(entry.getKey(), backend.stringValue(value), lang.getLanguage());
                        } else { // no language
                            URI type = backend.getLiteralType(value);
                            if(type != null){ //typed literal -> need to transform
                                NodeTransformer nt = transformer.get(type.toString());
                                if(nt != null){ //add typed literal
                                    try {
                                        result.add(entry.getKey(), nt.transform(backend, value));
                                    } catch (RuntimeException e) {
                                       log.info("Unable to transform {} to dataType {} -> will use lexical form",value,type);
                                       result.add(entry.getKey(),backend.stringValue(value));
                                    }
                                } else { //no transformer

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Related Classes of at.newmedialab.ldpath.api.transformers.NodeTransformer

org.apache.stanbol.entityhub.indexing.core.processor.LdpathSourceProcessor

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