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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.bcel.classfile;
import java.io.DataInput;
import java.io.DataOutputStream;
import java.io.IOException;
import org.apache.bcel.Const;
/**
* This class is derived from the abstract {@link Constant}
* and represents a reference to a float object.
*
* @version $Id$
* @see Constant
*/
public final class ConstantFloat extends Constant implements ConstantObject {
private float bytes;
/**
* @param bytes Data
*/
public ConstantFloat(final float bytes) {
super(Const.CONSTANT_Float);
this.bytes = bytes;
}
/**
* Initialize from another object. Note that both objects use the same
* references (shallow copy). Use clone() for a physical copy.
*/
public ConstantFloat(final ConstantFloat c) {
this(c.getBytes());
}
/**
* Initialize instance from file data.
*
* @param file Input stream
* @throws IOException
*/
ConstantFloat(final DataInput file) throws IOException {
this(file.readFloat());
}
/**
* Called by objects that are traversing the nodes of the tree implicitely
* defined by the contents of a Java class. I.e., the hierarchy of methods,
* fields, attributes, etc. spawns a tree of objects.
*
* @param v Visitor object
*/
@Override
public void accept( final Visitor v ) {
v.visitConstantFloat(this);
}
/**
* Dump constant float to file stream in binary format.
*
* @param file Output file stream
* @throws IOException
*/
@Override
public final void dump( final DataOutputStream file ) throws IOException {
file.writeByte(super.getTag());
file.writeFloat(bytes);
}
/**
* @return data, i.e., 4 bytes.
*/
public final float getBytes() {
return bytes;
}
/**
* @param bytes the raw bytes that represent this float
*/
public final void setBytes( final float bytes ) {
this.bytes = bytes;
}
/**
* @return String representation.
*/
@Override
public final String toString() {
return super.toString() + "(bytes = " + bytes + ")";
}
/** @return Float object
*/
@Override
public Object getConstantValue( final ConstantPool cp ) {
return new Float(bytes);
}
}
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