content: package act.internal.password;
  
  /*-
   * #%L
   * ACT Framework
   * %%
   * Copyright (C) 2014 - 2018 ActFramework
   * %%
   * 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.
   * #L%
   */
  
  import act.meta.ClassMetaInfoBase;
  import act.meta.ClassMetaInfoManager;
  import org.osgl.util.E;
  
  import java.util.HashMap;
  import java.util.Map;
  
  public class PasswordMetaInfo extends ClassMetaInfoBase<PasswordMetaInfo> {
      // (field name -> field type desc)
      private Map<String, String> passwordFields = new HashMap<>();
  
      public PasswordMetaInfo addPasswordField(String fieldName, String fieldDesc) {
          passwordFields.put(fieldName, fieldDesc);
          return this;
      }
  
      public boolean hasPasswordField() {
          return !passwordFields.isEmpty();
      }
  
      public boolean isPasswordField(String fieldName) {
          return passwordFields.containsKey(fieldName);
      }
  
      public String passwordFieldTypeDesc(String fieldName) {
          return passwordFields.get(fieldName);
      }
  
      public boolean isSinglePasswordProvider() {
          return passwordFields.size() == 1;
      }
  
      public String singlePasswordFieldName() {
          E.illegalStateIf(!isSinglePasswordProvider());
          return passwordFields.keySet().iterator().next();
      }
  
      public Iterable<String> passwordFieldNames() {
          return passwordFields.keySet();
      }
  
      public static class Manager extends ClassMetaInfoManager<PasswordMetaInfo> {
      }
  
  }
  