content: /*
   * Copyright (C) 2007 The Android Open Source Project
   *
   * 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.
   */
  
  package com.taobao.android.dx.rop.annotation;
  
  import com.taobao.android.dx.rop.cst.Constant;
  import com.taobao.android.dx.rop.cst.CstString;
  
  /**
   * A (name, value) pair. These are used as the contents of an annotation.
   */
  public final class NameValuePair implements Comparable<NameValuePair> {
      /** {@code non-null;} the name */
      private final CstString name;
  
      /** {@code non-null;} the value */
      private final Constant value;
  
      /**
       * Construct an instance.
       *
       * @param name {@code non-null;} the name
       * @param value {@code non-null;} the value
       */
      public NameValuePair(CstString name, Constant value) {
          if (name == null) {
              throw new NullPointerException("name == null");
          }
  
          if (value == null) {
              throw new NullPointerException("value == null");
          }
  
          this.name = name;
          this.value = value;
      }
  
      /** {@inheritDoc} */
      public String toString() {
          return name.toHuman() + ":" + value;
      }
  
      /** {@inheritDoc} */
      public int hashCode() {
          return name.hashCode() * 31 + value.hashCode();
      }
  
      /** {@inheritDoc} */
      public boolean equals(Object other) {
          if (! (other instanceof NameValuePair)) {
              return false;
          }
  
          NameValuePair otherPair = (NameValuePair) other;
  
          return name.equals(otherPair.name)
              && value.equals(otherPair.value);
      }
  
      /**
       * {@inheritDoc}
       *
       * <p>Instances of this class compare in name-major and value-minor
       * order.</p>
       */
      public int compareTo(NameValuePair other) {
          int result = name.compareTo(other.name);
  
          if (result != 0) {
              return result;
          }
  
          return value.compareTo(other.value);
      }
  
      /**
       * Gets the name.
       *
       * @return {@code non-null;} the name
       */
      public CstString getName() {
          return name;
      }
  
      /**
       * Gets the value.
       *
       * @return {@code non-null;} the value
       */
      public Constant getValue() {
          return value;
      }
  }
  