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/*
 * Copyright 2018. Intellect Design Arena Limited. All rights reserved.
 * These materials are confidential and proprietary to Intellect Design Arena Limited
 * and no part of these materials should be reproduced, published, transmitted
 * or distributed in any form or by any means, electronic, mechanical, photocopying,
 * recording or otherwise, or stored in any information storage or retrieval system
 * of any nature nor should the materials be disclosed to third parties or used in any
 * other manner for which this is not authorized, without the prior express written
 * authorization of Intellect Design Arena Limited.
 */
package com.intellectdesign.modelhouse;
import java.io.File;
import java.io.FileNotFoundException;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;
import com.intellectdesign.canvas.entitlement.EntitlementException;
import com.intellectdesign.canvas.entitlement.IEntitlementDataProvider;

/*
 * Link this class as the source for all possible values for a given entitlement
 * criteria
 * @Version 1.0
 */

public class LoanTypesEntitlmentProvider implements IEntitlementDataProvider {

    /**
     * Implementation teams have to implement this method and return all
     * possible values for a given entitlement criteria.
     * @param product
     * @param subProduct
     * @param function
     * @param criteriaName the name of the entitlement criteria
     * @return a list of String which are the possible values for given entitlement criteria
     * @throws EntitlementException in case of any exception in preparing the list
     * @see com.intellectdesign.canvas.entitlement.IEntitlementDataProvider#getCriteriaValues(java.lang.String,
     *java.lang.String, java.lang.String, java.lang.String)
     **/

    @Override
    public List getCriteriaValues(String product, String subProduct,

          String function, String criteriaName) throws EntitlementException {

      List<String> possibleCriteriaValues = new ArrayList<String>();

      // This is a sample entitlement provider where we will read possible values from a text file

      // Implementation teams are free to decide the source of this data (from a    a DB/Web service/File or anywhere else)

      File sourceFile = new File("D:\\SampleCritValues.txt");
      Scanner fileScanner;
      try {

          fileScanner = new Scanner(sourceFile);

          while (fileScanner.hasNextLine())

             possibleCriteriaValues.add(fileScanner.nextLine());

      } catch (FileNotFoundException e) {

          // Throw exception if the file is not found

          e.printStackTrace();

          throw new EntitlementException(e);

      }

      return possibleCriteriaValues;

    }

}