edu.isi.karma.controller.command.publish.PublishRDFCellCommand.java Source code

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Here is the source code for edu.isi.karma.controller.command.publish.PublishRDFCellCommand.java

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/*******************************************************************************
 * Copyright 2012 University of Southern California
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *    http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
 * This code was developed by the Information Integration Group as part 
 * of the Karma project at the Information Sciences Institute of the 
 * University of Southern California.  For more information, publications, 
 * and related projects, please see: http://www.isi.edu/integration
 ******************************************************************************/
package edu.isi.karma.controller.command.publish;

import java.io.PrintWriter;
import java.io.StringWriter;

import org.apache.commons.lang.StringEscapeUtils;
import org.json.JSONException;
import org.json.JSONObject;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import edu.isi.karma.controller.command.CommandException;
import edu.isi.karma.controller.command.CommandType;
import edu.isi.karma.controller.command.WorksheetCommand;
import edu.isi.karma.controller.update.AbstractUpdate;
import edu.isi.karma.controller.update.ErrorUpdate;
import edu.isi.karma.controller.update.UpdateContainer;
import edu.isi.karma.modeling.alignment.Alignment;
import edu.isi.karma.modeling.alignment.AlignmentManager;
import edu.isi.karma.rep.Workspace;
import edu.isi.karma.view.VWorkspace;

@Deprecated
public class PublishRDFCellCommand extends WorksheetCommand {

    //private final String nodeId;
    //private String rdfSourcePrefix;
    //private String rdfSourceNamespace;
    // rdf for this cell
    private StringWriter outRdf = new StringWriter();
    //private PrintWriter pw = new PrintWriter(outRdf);

    public enum JsonKeys {
        updateType, cellRdf, worksheetId
    }

    private static Logger logger = LoggerFactory.getLogger(PublishRDFCellCommand.class);

    protected PublishRDFCellCommand(String id, String model, String worksheetId, String nodeId,
            String rdfSourcePrefix, String rdfSourceNamespace) {
        super(id, model, worksheetId);
        //this.nodeId = nodeId;
        //this.rdfSourcePrefix = rdfSourcePrefix;
        //this.rdfSourceNamespace = rdfSourceNamespace;
    }

    @Override
    public String getCommandName() {
        return this.getClass().getSimpleName();
    }

    @Override
    public String getTitle() {
        return "Publish RDF Cell";
    }

    @Override
    public String getDescription() {
        return null;
    }

    @Override
    public CommandType getCommandType() {
        return CommandType.notInHistory;
    }

    public boolean isDeprecated() {
        return true;
    }

    @Override
    public UpdateContainer doIt(Workspace workspace) throws CommandException {

        if (isDeprecated()) {
            return new UpdateContainer(new ErrorUpdate("PublishRDFCellCommand is currently not supported"));
        }
        //Worksheet worksheet = workspace.getWorksheet(worksheetId);

        // Get the alignment for this worksheet
        Alignment alignment = AlignmentManager.Instance()
                .getAlignment(AlignmentManager.Instance().constructAlignmentId(workspace.getId(), worksheetId));

        if (alignment == null || alignment.isEmpty()) {
            logger.info("Alignment is NULL for " + worksheetId);
            return new UpdateContainer(new ErrorUpdate("Worksheet not modeled!"));
        }

        try {
            // Generate the KR2RML data structures for the RDF generation
            /*final ErrorReport errorReport = new ErrorReport();
            KR2RMLMappingGenerator mappingGen = new KR2RMLMappingGenerator(
                  workspace, worksheet,
                  alignment, worksheet.getSemanticTypes(), rdfSourcePrefix, rdfSourceNamespace, 
                  false, errorReport);
            KR2RMLMapping mapping = mappingGen.getKR2RMLMapping();
            KR2RMLWorksheetRDFGenerator rdfGen = new KR2RMLWorksheetRDFGenerator(worksheet, 
                  workspace.getFactory(), workspace.getOntologyManager(),
                  pw, mapping, errorReport, false);
                
            // Create empty data structures
            Set<String> existingTopRowTriples = new HashSet<String>();
            Set<String> predicatesCovered = new HashSet<String>();
            Map<String, ReportMessage> predicatesFailed = new HashMap<String, ReportMessage>();
            Set<String> predicatesSuccessful = new HashSet<String>();
                
            Node node = workspace.getFactory().getNode(nodeId);
            rdfGen.generateTriplesForCell(node, existingTopRowTriples, node.getHNodeId(), 
               predicatesCovered, predicatesFailed, predicatesSuccessful);*/

            return new UpdateContainer(new AbstractUpdate() {
                @Override
                public void generateJson(String prefix, PrintWriter pw, VWorkspace vWorkspace) {
                    JSONObject outputObject = new JSONObject();

                    try {
                        outputObject.put(JsonKeys.updateType.name(), "PublishCellRDFUpdate");
                        String rdfCellEscapeString = StringEscapeUtils.escapeHtml(outRdf.toString());
                        outputObject.put(JsonKeys.cellRdf.name(), rdfCellEscapeString.replaceAll("\\n", "<br />"));
                        outputObject.put(JsonKeys.worksheetId.name(), worksheetId);
                        pw.println(outputObject.toString(4));
                    } catch (JSONException e) {
                        logger.error("Error occured while generating JSON!");
                    }
                }
            });
        } catch (Exception e) {
            return new UpdateContainer(new ErrorUpdate(e.getMessage()));
        }
    }

    @Override
    public UpdateContainer undoIt(Workspace workspace) {
        // TODO Auto-generated method stub
        return null;
    }

}