/*
    * Copyright 2007 The Kuali Foundation
    * 
    * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php
    * 
   * 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.
   */
  package org.kuali.ole.module.purap.businessobject.options;
  
  import org.apache.commons.lang.StringUtils;
  import org.kuali.ole.module.purap.PurapParameterConstants;
  import org.kuali.ole.module.purap.businessobject.PurchaseOrderTransmissionMethod;
  import org.kuali.ole.module.purap.document.PurchaseOrderDocument;
  import org.kuali.ole.sys.context.SpringContext;
  import org.kuali.rice.core.api.util.ConcreteKeyValue;
  import org.kuali.rice.core.api.util.KeyValue;
  import org.kuali.rice.coreservice.framework.parameter.ParameterService;
  import org.kuali.rice.krad.keyvalues.KeyValuesBase;
  import org.kuali.rice.krad.service.KeyValuesService;
  
  import java.util.ArrayList;
  import java.util.Collection;
  import java.util.List;
  
  /**
   * Value Finder for Purchase Order Retransmission Methods.
   */
  public class PurchaseOrderRetransmissionMethodValuesFinder extends KeyValuesBase {
  
      /**
       * Returns code/description pairs of all Purchase Order Retransmission Methods.
       *
       * @see org.kuali.rice.kns.lookup.keyvalues.KeyValuesFinder#getKeyValues()
       */
      public List<KeyValue> getKeyValues() {
          KeyValuesService boService = SpringContext.getBean(KeyValuesService.class);
          Collection<PurchaseOrderTransmissionMethod> codes = boService.findAll(PurchaseOrderTransmissionMethod.class);
          String retransmitTypes = SpringContext.getBean(ParameterService.class).getParameterValueAsString(PurchaseOrderDocument.class, PurapParameterConstants.PURAP_PO_RETRANSMIT_TRANSMISSION_METHOD_TYPES);
          List<KeyValue> labels = new ArrayList<KeyValue>();
          if (retransmitTypes != null) {
              for (PurchaseOrderTransmissionMethod purchaseOrderTransmissionMethod : codes) {
                  if (StringUtils.contains(retransmitTypes, StringUtils.left(purchaseOrderTransmissionMethod.getPurchaseOrderTransmissionMethodCode(), 4)) &&
                          purchaseOrderTransmissionMethod.isDisplayToUser()) {
                      labels.add(new ConcreteKeyValue(purchaseOrderTransmissionMethod.getPurchaseOrderTransmissionMethodCode(), purchaseOrderTransmissionMethod.getPurchaseOrderTransmissionMethodDescription()));
                  }
              }
          }
          return labels;
      }
  }