basex.BindContext.java Source code

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Here is the source code for basex.BindContext.java

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/*
 * Copyright (c) 2006-2007 Massachusetts General Hospital 
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the i2b2 Software License v1.0 
 * which accompanies this distribution. 
 * 
 * Contributors:
 *       Kavishwar Wagholikar (kavi)
 *       July 4, 2015
 */

/*
 * Copyright (c) 2006-2007 Massachusetts General Hospital 
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the i2b2 Software License v1.0 
 * which accompanies this distribution. 
 * 
 * Contributors:
 *       Kavishwar Wagholikar (kavi)
 *       July 4, 2015
 */

/*
 * Copyright (c) 2006-2007 Massachusetts General Hospital 
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the i2b2 Software License v1.0 
 * which accompanies this distribution. 
 * 
 * Contributors:
 *       Kavishwar Wagholikar (kavi)
 */
package basex;

import java.io.IOException;

import org.apache.commons.io.IOUtils;
import org.basex.core.*;
import org.basex.data.*;
import org.basex.io.serial.Serializer;
import org.basex.query.*;
import org.basex.query.iter.Iter;
import org.basex.query.value.item.Item;

/**
 * This example demonstrates how items can be bound as context item of
 * the XQuery processor.
 *
 * @author BaseX Team 2005-15, BSD License
 */
public final class BindContext {
    /**
     * Runs the example code.
     * @param args (ignored) command-line arguments
     * @throws QueryException if an error occurs while evaluating the query
     */
    public static void main(final String[] args) throws QueryException {
        // Database context.

        String query = getFile("transform/I2b2ToFhir/i2b2MedsToFHIRMeds.xquery");
        String input = getFile("example/i2b2/i2b2medspod.txt");

        Context context = new Context();

        System.out.println("=== BindContext ===");

        // Specify query to be executed
        //query = "declare context item external; .";

        // Show query
        System.out.println("\n* Query:");
        //System.out.println(query);

        // Create a query processor
        try (QueryProcessor proc = new QueryProcessor(query, context)) {
            System.out.println(proc.execute());
            // Store the pointer to the result in an iterator:
            /* Iter iter = proc.iter();
                
             // Iterate through all items and serialize
             int count=0;
             for(Item item; (item = iter.next()) != null;) {
                count++;
               System.out.println(item.toJava()+"\n"+count+"\n--------------\n");
             }
             */
        }
        // System.out.println("\n* Result:");
        //System.out.println(result);

        // Close the database context
        context.close();
    }

    public static String getFile(String fileName) {

        String result = "";

        ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
        try {
            result = IOUtils.toString(classLoader.getResourceAsStream(fileName));
        } catch (IOException e) {
            e.printStackTrace();
        }

        return result;

    }

}