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.cst;
  
  import com.taobao.android.dx.rop.type.Type;
  
  /**
   * Constants of type {@code boolean}.
   */
  public final class CstBoolean
          extends CstLiteral32 {
      /** {@code non-null;} instance representing {@code false} */
      public static final CstBoolean VALUE_FALSE = new CstBoolean(false);
  
      /** {@code non-null;} instance representing {@code true} */
      public static final CstBoolean VALUE_TRUE = new CstBoolean(true);
  
      /**
       * Makes an instance for the given value. This will return an
       * already-allocated instance.
       *
       * @param value the {@code boolean} value
       * @return {@code non-null;} the appropriate instance
       */
      public static CstBoolean make(boolean value) {
          return value ? VALUE_TRUE : VALUE_FALSE;
      }
  
      /**
       * Makes an instance for the given {@code int} value. This
       * will return an already-allocated instance.
       *
       * @param value must be either {@code 0} or {@code 1}
       * @return {@code non-null;} the appropriate instance
       */
      public static CstBoolean make(int value) {
          if (value == 0) {
              return VALUE_FALSE;
          } else if (value == 1) {
              return VALUE_TRUE;
          } else {
              throw new IllegalArgumentException("bogus value: " + value);
          }
      }
  
      /**
       * Constructs an instance. This constructor is private; use {@link #make}.
       *
       * @param value the {@code boolean} value
       */
      private CstBoolean(boolean value) {
          super(value ? 1 : 0);
      }
  
      /** {@inheritDoc} */
      @Override
      public String toString() {
          return getValue() ? "boolean{true}" : "boolean{false}";
      }
  
      /** {@inheritDoc} */
      public Type getType() {
          return Type.BOOLEAN;
      }
  
      /** {@inheritDoc} */
      @Override
      public String typeName() {
          return "boolean";
      }
  
      /** {@inheritDoc} */
      public String toHuman() {
          return getValue() ? "true" : "false";
      }
  
      /**
       * Gets the {@code boolean} value.
       *
       * @return the value
       */
      public boolean getValue() {
          return (getIntBits() == 0) ? false : true;
      }
  }
  