content: /*
   * 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.aries.blueprint.utils.generics;
  
  import java.lang.reflect.Type;
  import java.lang.reflect.WildcardType;
  
  public class OwbWildcardTypeImpl implements WildcardType {
  
      private Type[] upperBounds;
      private Type[] lowerBounds;
  
      public OwbWildcardTypeImpl(Type[] upperBounds, Type[] lowerBounds) {
          this.upperBounds = upperBounds.clone();
          this.lowerBounds = lowerBounds.clone();
      }
  
      @Override
      public Type[] getUpperBounds() {
          return upperBounds.clone();
      }
  
      @Override
      public Type[] getLowerBounds() {
          return lowerBounds.clone();
      }
  
      public String toString() {
          StringBuilder buffer = new StringBuilder("?");
          if (upperBounds.length > 0) {
              buffer.append(" extends");
              boolean first = true;
              for (Type upperBound : upperBounds) {
                  if (first) {
                      first = false;
                  } else {
                      buffer.append(',');
                  }
                  buffer.append(' ');
                  if (upperBound instanceof Class) {
                      buffer.append(((Class<?>) upperBound).getSimpleName());
                  } else {
                      buffer.append(upperBound);
                  }
              }
          }
          if (lowerBounds.length > 0) {
              buffer.append(" super");
              boolean first = true;
              for (Type lowerBound : lowerBounds) {
                  if (first) {
                      first = false;
                  } else {
                      buffer.append(',');
                  }
                  buffer.append(' ');
                  if (lowerBound instanceof Class) {
                      buffer.append(((Class<?>) lowerBound).getSimpleName());
                  } else {
                      buffer.append(lowerBound);
                  }
              }
          }
          return buffer.toString();
      }
  }
  