/*
* Javassist, a Java-bytecode translator toolkit.
* Copyright (C) 2004 Bill Burke. All Rights Reserved.
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. Alternatively, the contents of this file may be used under
* the terms of the GNU Lesser General Public License Version 2.1 or later.
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*/
package javassist.bytecode.annotation;
import javassist.
ClassPool;
import javassist.bytecode.
ConstPool;
import java.io.
IOException;
import java.lang.reflect.
Method;
/**
* Double floating-point number constant value.
*
* @author <a href="mailto:bill@jboss.org">Bill Burke</a>
* @author Shigeru Chiba
* @version $Revision: 1.7 $
*/
public class
DoubleMemberValue extends
MemberValue {
int
valueIndex;
/**
* Constructs a double constant value. The initial value is specified
* by the constant pool entry at the given index.
*
* @param index the index of a CONSTANT_Double_info structure.
*/
public
DoubleMemberValue(int
index,
ConstPool cp) {
super('D',
cp);
this.
valueIndex =
index;
}
/**
* Constructs a double constant value.
*
* @param d the initial value.
*/
public
DoubleMemberValue(double
d,
ConstPool cp) {
super('D',
cp);
setValue(
d);
}
/**
* Constructs a double constant value. The initial value is 0.0.
*/
public
DoubleMemberValue(
ConstPool cp) {
super('D',
cp);
setValue(0.0);
}
Object getValue(
ClassLoader cl,
ClassPool cp,
Method m) {
return new
Double(
getValue());
}
Class getType(
ClassLoader cl) {
return double.class;
}
/**
* Obtains the value of the member.
*/
public double
getValue() {
return
cp.
getDoubleInfo(
valueIndex);
}
/**
* Sets the value of the member.
*/
public void
setValue(double
newValue) {
valueIndex =
cp.
addDoubleInfo(
newValue);
}
/**
* Obtains the string representation of this object.
*/
public
String toString() {
return
Double.
toString(
getValue());
}
/**
* Writes the value.
*/
public void
write(
AnnotationsWriter writer) throws
IOException {
writer.
constValueIndex(
getValue());
}
/**
* Accepts a visitor.
*/
public void
accept(
MemberValueVisitor visitor) {
visitor.
visitDoubleMemberValue(this);
}
}