/**
    * Copyright 2005-2013 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.rice.kew.framework.document.search;
  
  import javax.xml.bind.annotation.XmlEnum;
  import javax.xml.bind.annotation.XmlEnumValue;
  import javax.xml.bind.annotation.XmlRootElement;
  import javax.xml.bind.annotation.XmlType;
  import java.util.Arrays;
  import java.util.Collections;
  import java.util.HashSet;
  import java.util.Set;
  
  /**
   * An enumeration which defines fields that are used on the document search screen and subject to customization by
   * specific document types which configure such customizations via the document search framework.
   *
   * @author Kuali Rice Team (rice.collab@kuali.org)
   */
  @XmlRootElement(name = "documentSearchResultField")
  @XmlType(name = "DocumentSearchResultFieldType")
  @XmlEnum
  public enum StandardResultField {
  
      @XmlEnumValue("documentId") DOCUMENT_ID("documentId"),
      @XmlEnumValue("status") STATUS("status", "statusLabel"),
      @XmlEnumValue("documentType") DOCUMENT_TYPE("documentType", "documentTypeLabel"),
      @XmlEnumValue("title") TITLE("title"),
      @XmlEnumValue("initiator") INITIATOR("initiator", "initiatorDisplayName"),
      @XmlEnumValue("dateCreated") DATE_CREATED("dateCreated"),
      @XmlEnumValue("routeLog") ROUTE_LOG("routeLog");
  
      private final String standardFieldName;
      private final Set<String> additionalFieldNames;
  
      private StandardResultField(String standardFieldName, String... additionalFieldNames) {
          this.standardFieldName = standardFieldName;
          Set<String> additionalFieldNameSet = new HashSet<String>(Arrays.asList(additionalFieldNames));
          this.additionalFieldNames = Collections.unmodifiableSet(additionalFieldNameSet);
      }
  
      /**
       * Returns the standard field name of this standard result field as a string.
       *
       * @return the standard result field name
       */
      public String getStandardFieldName() {
          return standardFieldName;
      }
  
      /**
       * Returns additional field names that are valid and can be used to represent this standard result field as a string.
       *
       * @return a set of additional field names
       */
      public Set<String> getAdditionalFieldNames() {
          return additionalFieldNames;
      }
  
      /**
       * Returns true if the given field name represents a valid field name for this standard result field.  The given
       * field name is valid if it is the "standard" field name for this result field, or if it is contained withint the
       * set of additional field names.
       *
       * @param fieldName the field name to check
       *
       * @return true if the field name is valid for this result field, false otherwise
       */
      public boolean isFieldNameValid(String fieldName) {
          return fieldName.equals(standardFieldName) || additionalFieldNames.contains(fieldName);
      }
  
      public static StandardResultField fromFieldName(String fieldName) {
  		if (fieldName == null) {
  			return null;
  		}
  		for (StandardResultField resultField : values()) {
              if (resultField.isFieldNameValid(fieldName)) {
                  return resultField;
              }
  		}
  		throw new IllegalArgumentException("Failed to locate the StandardResultField with the field name: " + fieldName);
  	}
  
  }