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ProGuardCORE is a free library to read, analyze, modify, and write Java class files.

There is a newer version: 9.1.6

/*
 * ProGuardCORE -- library to process Java bytecode.
 *
 * Copyright (c) 2002-2020 Guardsquare NV
 *
 * 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 proguard.classfile.constant;

import proguard.classfile.*;
import proguard.classfile.constant.visitor.ConstantVisitor;

/**
 * This {@link Constant} represents a double constant in the constant pool.
 *
 * @author Eric Lafortune
 */
public class DoubleConstant extends Constant {
  public double f8value;

  /** Creates an uninitialized DoubleConstant. */
  public DoubleConstant() {}

  /** Creates a new DoubleConstant with the given double value. */
  public DoubleConstant(double value) {
    f8value = value;
  }

  /** Returns the double value of this DoubleConstant. */
  public double getValue() {
    return f8value;
  }

  /** Sets the double value of this DoubleConstant. */
  public void setValue(double value) {
    f8value = value;
  }

  // Implementations for Constant.

  @Override
  public int getTag() {
    return Constant.DOUBLE;
  }

  @Override
  public boolean isCategory2() {
    return true;
  }

  @Override
  public void accept(Clazz clazz, ConstantVisitor constantVisitor) {
    constantVisitor.visitDoubleConstant(clazz, this);
  }

  // Implementations for Object.

  @Override
  public boolean equals(Object object) {
    if (object == null || !this.getClass().equals(object.getClass())) {
      return false;
    }

    if (this == object) {
      return true;
    }

    DoubleConstant other = (DoubleConstant) object;

    return this.f8value == other.f8value;
  }

  @Override
  public int hashCode() {
    long bits = Double.doubleToLongBits(f8value);
    return Constant.DOUBLE ^ (int) (bits >> 32) ^ (int) bits;
  }

  @Override
  public String toString() {
    return "Double(" + f8value + ")";
  }
}