126 lines
2.9 KiB
Java
126 lines
2.9 KiB
Java
/*
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* Copyright 2000-2004 The Apache Software Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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package org.apache.bcel.classfile;
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import java.io.DataInputStream;
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import java.io.DataOutputStream;
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import java.io.IOException;
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import org.apache.bcel.Constants;
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/**
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* This class is derived from the abstract <A
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* HREF="org.apache.bcel.classfile.Constant.html">Constant</A> class and
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* represents a reference to a float object.
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*
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* @version $Id: ConstantFloat.java 386056 2006-03-15 11:31:56Z tcurdt $
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* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
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* @see Constant
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*/
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public final class ConstantFloat extends Constant implements ConstantObject {
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/**
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*
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*/
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private static final long serialVersionUID = 1L;
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private float bytes;
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/**
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* @param bytes
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* Data
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*/
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public ConstantFloat(float bytes) {
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super(Constants.CONSTANT_Float);
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this.bytes = bytes;
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}
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/**
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* Initialize from another object. Note that both objects use the same
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* references (shallow copy). Use clone() for a physical copy.
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*/
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public ConstantFloat(ConstantFloat c) {
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this(c.getBytes());
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}
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/**
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* Initialize instance from file data.
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*
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* @param file
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* Input stream
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* @throws IOException
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*/
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ConstantFloat(DataInputStream file) throws IOException {
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this(file.readFloat());
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}
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/**
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* Called by objects that are traversing the nodes of the tree implicitely
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* defined by the contents of a Java class. I.e., the hierarchy of methods,
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* fields, attributes, etc. spawns a tree of objects.
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*
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* @param v
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* Visitor object
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*/
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@Override
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public void accept(Visitor v) {
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v.visitConstantFloat(this);
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}
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/**
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* Dump constant float to file stream in binary format.
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*
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* @param file
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* Output file stream
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* @throws IOException
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*/
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@Override
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public final void dump(DataOutputStream file) throws IOException {
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file.writeByte(tag);
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file.writeFloat(bytes);
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}
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/**
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* @return data, i.e., 4 bytes.
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*/
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public final float getBytes() {
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return bytes;
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}
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/**
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* @param bytes
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* the raw bytes that represent this float
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*/
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public final void setBytes(float bytes) {
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this.bytes = bytes;
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}
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/**
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* @return String representation.
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*/
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@Override
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public final String toString() {
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return super.toString() + "(bytes = " + bytes + ")";
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}
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/**
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* @return Float object
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*/
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@Override
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public Object getConstantValue(ConstantPool cp) {
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return new Float(bytes);
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}
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}
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