/*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you 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.
   */
  package org.apache.syncope.common.lib;
  
  import java.util.HashSet;
  import java.util.Set;
  import org.apache.syncope.common.lib.types.ClientExceptionType;
  
  public class SyncopeClientException extends RuntimeException {
  
      private static final long serialVersionUID = 3380920886511913475L;
  
      private ClientExceptionType type;
  
      private final Set<String> elements = new HashSet<>();
  
      public static SyncopeClientException build(final ClientExceptionType type) {
          if (type == ClientExceptionType.Composite) {
              throw new IllegalArgumentException("Composite exceptions must be obtained via buildComposite()");
          }
          return new SyncopeClientException(type);
      }
  
      public static SyncopeClientCompositeException buildComposite() {
          return new SyncopeClientCompositeException();
      }
  
      protected SyncopeClientException(final ClientExceptionType type) {
          super();
          setType(type);
      }
  
      public boolean isComposite() {
          return getType() == ClientExceptionType.Composite;
      }
  
      public SyncopeClientCompositeException asComposite() {
          if (!isComposite()) {
              throw new IllegalArgumentException("This is not a composite exception");
          }
  
          return (SyncopeClientCompositeException) this;
      }
  
      public ClientExceptionType getType() {
          return type;
      }
  
      public final void setType(final ClientExceptionType type) {
          this.type = type;
      }
  
      public Set<String> getElements() {
          return elements;
      }
  
      public boolean isEmpty() {
          return elements.isEmpty();
      }
  
      public int size() {
          return elements.size();
      }
  
      @Override
      public String getMessage() {
          return new StringBuilder().
                  append(getType()).
                  append(' ').
                  append(getElements()).
                  toString();
      }
  
      @Override
      public String getLocalizedMessage() {
          return getMessage();
      }
  }